2 Commits

Author SHA1 Message Date
0842525bbe general fix and optimization 2024-07-20 14:33:29 +09:00
qlin1806
9d65b88cb3 added cartesian interface 2024-07-19 18:35:17 -07:00
42 changed files with 664 additions and 1622 deletions

2
.gitignore vendored
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@@ -1,5 +1,3 @@
.idea .idea
CMakeLists.txt.user CMakeLists.txt.user
cmake-build* cmake-build*
build/
**/__pycache__/

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@@ -19,42 +19,15 @@ find_package(catkin REQUIRED COMPONENTS
roscpp roscpp
rospy rospy
std_msgs std_msgs
tf2_ros
tf2
sas_common sas_common
sas_clock sas_clock
sas_robot_driver sas_robot_driver
sas_patient_side_manager sas_patient_side_manager
message_generation
pybind11_catkin
) )
add_service_files(
DIRECTORY srv
FILES
Move.srv
Grasp.srv
)
add_message_files(
DIRECTORY msg
FILES
GripperState.msg
)
catkin_python_setup()
generate_messages(
DEPENDENCIES
std_msgs
)
catkin_package( catkin_package(
INCLUDE_DIRS include INCLUDE_DIRS include
CATKIN_DEPENDS roscpp rospy sas_common sas_clock sas_robot_driver tf2_ros tf2 pybind11_catkin message_runtime std_msgs CATKIN_DEPENDS roscpp rospy sas_common sas_clock sas_robot_driver
) )
find_package(Franka REQUIRED) find_package(Franka REQUIRED)
@@ -117,8 +90,9 @@ target_link_libraries(robot_interface_hand Franka::Franka
include_directories( include_directories(
include include
include/generator
src/ src/
src/robot_dynamics src/dynamic_interface
src/hand src/hand
src/joint src/joint
${catkin_INCLUDE_DIRS} ${catkin_INCLUDE_DIRS}
@@ -126,44 +100,29 @@ include_directories(
) )
add_library(qros_robot_dynamics_provider src/robot_dynamics/qros_robot_dynamics_provider.cpp) add_library(sas_robot_dynamic_provider src/dynamic_interface/sas_robot_dynamic_provider.cpp)
target_link_libraries(qros_robot_dynamics_provider target_link_libraries(sas_robot_dynamic_provider dqrobotics)
${catkin_LIBRARIES}
dqrobotics)
add_library(qros_robot_dynamics_interface src/robot_dynamics/qros_robot_dynamics_interface.cpp)
target_link_libraries(qros_robot_dynamics_interface
${catkin_LIBRARIES}
dqrobotics)
add_dependencies(qros_robot_dynamics_interface ${${PROJECT_NAME}_EXPORTED_TARGETS})
add_dependencies(qros_robot_dynamics_interface ${catkin_EXPORTED_TARGETS})
add_library(sas_robot_driver_franka src/joint/sas_robot_driver_franka.cpp) add_library(sas_robot_driver_franka src/joint/sas_robot_driver_franka.cpp)
target_link_libraries(sas_robot_driver_franka target_link_libraries(sas_robot_driver_franka
qros_robot_dynamics_provider sas_robot_dynamic_provider
dqrobotics dqrobotics
dqrobotics-interface-json11
robot_interface_franka) robot_interface_franka)
add_library(qros_effector_driver_franka_hand src/hand/qros_effector_driver_franka_hand.cpp) add_library(sas_robot_driver_franka_hand src/hand/sas_robot_driver_franka_hand.cpp)
target_link_libraries(qros_effector_driver_franka_hand target_link_libraries(sas_robot_driver_franka_hand
dqrobotics dqrobotics
Franka::Franka) Franka::Franka)
add_dependencies(qros_effector_driver_franka_hand ${${PROJECT_NAME}_EXPORTED_TARGETS})
add_dependencies(qros_effector_driver_franka_hand ${catkin_EXPORTED_TARGETS})
add_library(sas_robot_driver_coppelia src/coppelia/sas_robot_driver_coppelia.cpp) add_library(sas_robot_driver_coppelia src/coppelia/sas_robot_driver_coppelia.cpp)
target_link_libraries(sas_robot_driver_coppelia target_link_libraries(sas_robot_driver_coppelia
dqrobotics dqrobotics
dqrobotics-interface-json11
dqrobotics-interface-vrep) dqrobotics-interface-vrep)
add_dependencies(sas_robot_driver_franka ${${PROJECT_NAME}_EXPORTED_TARGETS} ${catkin_EXPORTED_TARGETS}) add_dependencies(sas_robot_driver_franka ${${PROJECT_NAME}_EXPORTED_TARGETS} ${catkin_EXPORTED_TARGETS})
add_dependencies(sas_robot_driver_coppelia ${${PROJECT_NAME}_EXPORTED_TARGETS} ${catkin_EXPORTED_TARGETS}) add_dependencies(sas_robot_driver_coppelia ${${PROJECT_NAME}_EXPORTED_TARGETS} ${catkin_EXPORTED_TARGETS})
add_dependencies(qros_effector_driver_franka_hand ${${PROJECT_NAME}_EXPORTED_TARGETS} ${catkin_EXPORTED_TARGETS})
add_executable(sas_robot_driver_coppelia_node src/sas_robot_driver_coppelia_node.cpp) add_executable(sas_robot_driver_coppelia_node src/sas_robot_driver_coppelia_node.cpp)
target_link_libraries(sas_robot_driver_coppelia_node target_link_libraries(sas_robot_driver_coppelia_node
@@ -178,10 +137,11 @@ target_link_libraries(sas_robot_driver_franka_node
add_executable(sas_robot_driver_franka_hand_node src/sas_robot_driver_franka_hand_node.cpp) add_executable(sas_robot_driver_franka_hand_node src/sas_robot_driver_franka_hand_node.cpp)
target_link_libraries(sas_robot_driver_franka_hand_node target_link_libraries(sas_robot_driver_franka_hand_node
qros_effector_driver_franka_hand sas_robot_driver_franka_hand
${catkin_LIBRARIES}) ${catkin_LIBRARIES})
add_executable(JuankaEmika add_executable(JuankaEmika
qt/configuration_window/main.cpp qt/configuration_window/main.cpp
qt/configuration_window/mainwindow.cpp qt/configuration_window/mainwindow.cpp
@@ -195,19 +155,6 @@ target_link_libraries(JuankaEmika PRIVATE Qt${QT_VERSION_MAJOR}::Widgets
) )
#####################################################################################
# python binding
include_directories(
include/sas_robot_driver_franka/robot_dynamic
)
pybind_add_module(_qros_robot_dynamic SHARED
src/robot_dynamics/qros_robot_dynamic_py.cpp src/robot_dynamics/qros_robot_dynamics_interface.cpp src/robot_dynamics/qros_robot_dynamics_provider.cpp
)
add_dependencies(_qros_robot_dynamic ${${PROJECT_NAME}_EXPORTED_TARGETS} ${catkin_EXPORTED_TARGETS})
target_compile_definitions(_qros_robot_dynamic PRIVATE BUILD_PYBIND)
# https://github.com/pybind/pybind11/issues/387
target_link_libraries(_qros_robot_dynamic PRIVATE ${catkin_LIBRARIES} -ldqrobotics)
if(QT_VERSION_MAJOR EQUAL 6) if(QT_VERSION_MAJOR EQUAL 6)
@@ -230,23 +177,9 @@ install(TARGETS sas_robot_driver_franka_hand_node
DESTINATION ${CATKIN_PACKAGE_BIN_DESTINATION} DESTINATION ${CATKIN_PACKAGE_BIN_DESTINATION}
) )
install(TARGETS qros_robot_dynamics_provider
DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
)
install(TARGETS qros_robot_dynamics_interface
DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
)
## Mark cpp header files for installation ## Mark cpp header files for installation
install(DIRECTORY include/${PROJECT_NAME}/ install(DIRECTORY include/${PROJECT_NAME}/
DESTINATION ${CATKIN_PACKAGE_INCLUDE_DESTINATION} DESTINATION ${CATKIN_PACKAGE_INCLUDE_DESTINATION}
FILES_MATCHING PATTERN "*.h" FILES_MATCHING PATTERN "*.h"
# PATTERN ".svn" EXCLUDE # PATTERN ".svn" EXCLUDE
) )
install(TARGETS _qros_robot_dynamic
LIBRARY DESTINATION ${PYTHON_INSTALL_DIR}
)

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@@ -1,3 +1,7 @@
"robot_ip_address": "172.16.0.2" "robot_ip_address": "172.16.0.2"
"thread_sampling_time_nsec": 20000000 # 20ms , 50Hz "robot_mode": "PositionControl"
"robot_speed": 20.0
"thread_sampling_time_nsec": 40000000
"q_min": [0.00]
"q_max": [0.04]

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@@ -43,15 +43,13 @@
#include <sas_robot_driver/sas_robot_driver.h> #include <sas_robot_driver/sas_robot_driver.h>
#include "robot_interface_franka.h" #include "robot_interface_franka.h"
#include <ros/common.h> #include <ros/common.h>
#include <sas_robot_driver_franka/robot_dynamic/qros_robot_dynamics_provider.h> #include "sas_robot_dynamic_provider.h"
#include <sas_clock/sas_clock.h>
#include <dqrobotics/utils/DQ_Math.h>
#include <ros/this_node.h>
#include <rosconsole/macros_generated.h>
using namespace DQ_robotics; using namespace DQ_robotics;
using namespace Eigen; using namespace Eigen;
struct RobotInterfaceFranka::FrankaInterfaceConfiguration; // Forward declaration
namespace sas namespace sas
{ {
@@ -62,8 +60,6 @@ struct RobotDriverFrankaConfiguration
int port; int port;
double speed; double speed;
RobotInterfaceFranka::FrankaInterfaceConfiguration interface_configuration; RobotInterfaceFranka::FrankaInterfaceConfiguration interface_configuration;
DQ robot_reference_frame = DQ(0);
bool automatic_error_recovery = false;
}; };
@@ -74,7 +70,7 @@ private:
std::shared_ptr<RobotInterfaceFranka> robot_driver_interface_sptr_ = nullptr; std::shared_ptr<RobotInterfaceFranka> robot_driver_interface_sptr_ = nullptr;
qros::RobotDynamicProvider* robot_dynamic_provider_; RobotDynamicProvider* robot_dynamic_provider_;
//Joint positions //Joint positions
VectorXd joint_positions_; VectorXd joint_positions_;
@@ -90,8 +86,6 @@ private:
void _update_stiffness_contact_and_pose() const; void _update_stiffness_contact_and_pose() const;
public: public:
//const static int SLAVE_MODE_JOINT_CONTROL; //const static int SLAVE_MODE_JOINT_CONTROL;
//const static int SLAVE_MODE_END_EFFECTOR_CONTROL; //const static int SLAVE_MODE_END_EFFECTOR_CONTROL;
@@ -101,7 +95,7 @@ public:
~RobotDriverFranka(); ~RobotDriverFranka();
RobotDriverFranka( RobotDriverFranka(
qros::RobotDynamicProvider* robot_dynamic_provider, RobotDynamicProvider* robot_dynamic_provider,
const RobotDriverFrankaConfiguration& configuration, const RobotDriverFrankaConfiguration& configuration,
std::atomic_bool* break_loops std::atomic_bool* break_loops
); );

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@@ -1,93 +0,0 @@
#pragma once
/*
# Copyright (c) 2023 Juan Jose Quiroz Omana
#
# This file is part of sas_robot_driver_franka.
#
# sas_robot_driver_franka is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# sas_robot_driver_franka is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with sas_robot_driver. If not, see <https://www.gnu.org/licenses/>.
#
# ################################################################
#
# Author: Quenitin Lin
#
# ################################################################
#
# Contributors:
# 1. Quenitin Lin
#
# ################################################################
*/
#include <ros/ros.h>
#include <ros/node_handle.h>
#include <sas_common/sas_common.h>
#include <sas_conversions/sas_conversions.h>
#include <geometry_msgs/WrenchStamped.h>
#include <geometry_msgs/Transform.h>
#include <geometry_msgs/TransformStamped.h>
#include <tf2_ros/transform_listener.h>
#include <tf2_geometry_msgs/tf2_geometry_msgs.h>
#include <geometry_msgs/Pose.h>
#include <std_msgs/Header.h>
#include <dqrobotics/DQ.h>
#define BUFFER_DURATION_DEFAULT_S 2.0 // 2 second
namespace qros {
using namespace DQ_robotics;
class RobotDynamicInterface {
private:
unsigned int seq_ = 0;
std::string node_prefix_;
std::string child_frame_id_;
std::string parent_frame_id_;
ros::Subscriber subscriber_cartesian_stiffness_;
tf2_ros::Buffer tf_buffer_;
tf2_ros::TransformListener tf_listener_;
static geometry_msgs::Transform _dq_to_geometry_msgs_transform(const DQ& pose) ;
Vector3d last_stiffness_force_;
Vector3d last_stiffness_torque_;
DQ last_stiffness_frame_pose_;
void _callback_cartesian_stiffness(const geometry_msgs::WrenchStampedConstPtr &msg);
static DQ _geometry_msgs_transform_to_dq(const geometry_msgs::Transform& transform);
public:
RobotDynamicInterface() = delete;
RobotDynamicInterface(const RobotDynamicInterface&) = delete;
#ifdef BUILD_PYBIND
explicit RobotDynamicInterface(const std::string& node_prefix):RobotDynamicInterface(sas::common::get_static_node_handle(),node_prefix){}
#endif
explicit RobotDynamicInterface(ros::NodeHandle& nodehandle, const std::string& node_prefix=ros::this_node::getName());
RobotDynamicInterface(ros::NodeHandle& publisher_nodehandle, ros::NodeHandle& subscriber_nodehandle, const std::string& node_prefix=ros::this_node::getName());
VectorXd get_stiffness_force();
VectorXd get_stiffness_torque();
DQ get_stiffness_frame_pose();
bool is_enabled() const;
std::string get_topic_prefix() const {return node_prefix_;}
};
} // namespace sas

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@@ -6,5 +6,12 @@
<rosparam file="$(find sas_robot_driver_franka)/cfg/sas_robot_driver_franka_hand_1.yaml" command="load" <rosparam file="$(find sas_robot_driver_franka)/cfg/sas_robot_driver_franka_hand_1.yaml" command="load"
/> />
</node> </node>
</launch> </launch>

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@@ -1,5 +0,0 @@
float32 width
float32 max_width
bool is_grasped
uint16 temperature
uint64 duration_ms

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@@ -52,38 +52,28 @@
<build_depend>roscpp</build_depend> <build_depend>roscpp</build_depend>
<build_depend>rospy</build_depend> <build_depend>rospy</build_depend>
<build_depend>tf2_ros</build_depend>
<build_depend>tf2</build_depend>
<build_depend>std_msgs</build_depend> <build_depend>std_msgs</build_depend>
<build_depend>sas_clock</build_depend> <build_depend>sas_clock</build_depend>
<build_depend>sas_robot_driver</build_depend> <build_depend>sas_robot_driver</build_depend>
<build_depend>sas_common</build_depend> <build_depend>sas_common</build_depend>
<build_depend>sas_patient_side_manager</build_depend> <build_depend>sas_patient_side_manager</build_depend>
<build_depend>pybind11_catkin</build_depend>
<build_depend>message_generation</build_depend>
<build_export_depend>roscpp</build_export_depend> <build_export_depend>roscpp</build_export_depend>
<build_export_depend>rospy</build_export_depend> <build_export_depend>rospy</build_export_depend>
<build_export_depend>tf2_ros</build_export_depend>
<build_export_depend>tf2</build_export_depend>
<build_export_depend>std_msgs</build_export_depend> <build_export_depend>std_msgs</build_export_depend>
<build_export_depend>sas_clock</build_export_depend> <build_export_depend>sas_clock</build_export_depend>
<build_export_depend>sas_robot_driver</build_export_depend> <build_export_depend>sas_robot_driver</build_export_depend>
<build_export_depend>sas_common</build_export_depend> <build_export_depend>sas_common</build_export_depend>
<build_export_depend>sas_patient_side_manager</build_export_depend> <build_export_depend>sas_patient_side_manager</build_export_depend>
<build_export_depend>pybind11_catkin</build_export_depend>
<exec_depend>roscpp</exec_depend> <exec_depend>roscpp</exec_depend>
<exec_depend>rospy</exec_depend> <exec_depend>rospy</exec_depend>
<exec_depend>tf2_ros</exec_depend>
<exec_depend>tf2</exec_depend>
<exec_depend>std_msgs</exec_depend> <exec_depend>std_msgs</exec_depend>
<exec_depend>sas_clock</exec_depend> <exec_depend>sas_clock</exec_depend>
<exec_depend>sas_robot_driver</exec_depend> <exec_depend>sas_robot_driver</exec_depend>
<exec_depend>sas_common</exec_depend> <exec_depend>sas_common</exec_depend>
<exec_depend>sas_patient_side_manager</exec_depend> <exec_depend>sas_patient_side_manager</exec_depend>
<exec_depend>message_runtime</exec_depend>
<!-- The export tag contains other, unspecified, tags --> <!-- The export tag contains other, unspecified, tags -->

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@@ -7,7 +7,7 @@
#include <QMainWindow> #include <QMainWindow>
#include "qspinbox.h" #include "qspinbox.h"
#include <sas_robot_driver_franka/robot_interface_franka.h> #include "robot_interface_franka.h"
QT_BEGIN_NAMESPACE QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; } namespace Ui { class MainWindow; }

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@@ -1,56 +0,0 @@
import rospy
from sas_robot_driver_franka import FrankaGripperInterface
def main_loop():
rate = rospy.Rate(10) # 10 Hz
iteration_ = 0
hand1 = FrankaGripperInterface("/franka_hand_1")
while not hand1.is_enabled():
rospy.loginfo("Waiting for gripper to be enabled...")
rate.sleep()
rospy.loginfo("Gripper enabled!")
rate = rospy.Rate(2) # 0.5 Hz
while not rospy.is_shutdown():
rospy.loginfo("Main loop running...")
# Get the temperature of the gripper
temperature = hand1.get_temperature()
rospy.loginfo(f"Temperature: {temperature}")
max_width = hand1.get_max_width()
rospy.loginfo(f"Max width: {max_width}")
width = hand1.get_width()
rospy.loginfo(f"Width: {width}")
is_grasped = hand1.is_grasped()
rospy.loginfo(f"Is grasped: {is_grasped}")
is_moving = hand1.is_moving()
rospy.loginfo(f"Is moving: {is_moving}")
is_grasping = hand1.is_grasping()
rospy.loginfo(f"Is grasping: {is_grasping}")
rospy.logwarn("calling move(0.01)")
if not hand1.is_busy():
hand1.grasp(0.01)
else:
rospy.logwarn("Gripper is busy. Waiting...")
result_ready = hand1.is_done()
if not result_ready:
rospy.loginfo("Waiting for gripper to finish moving...")
else:
result = hand1.get_result()
rospy.loginfo(f"Result: {result}")
# Check if there is a response in the queue
iteration_ += 1
rate.sleep()
if __name__ == "__main__":
rospy.init_node("example_gripper_control_node")
main_loop()

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@@ -1,29 +0,0 @@
import rospy
from sas_robot_driver_franka import RobotDynamicsProvider
import dqrobotics as dql
import numpy as np
if __name__ == "__main__":
rospy.init_node("dummy_robot_dynamics_provider")
dynam_provider = RobotDynamicsProvider("/franka1")
t = dql.DQ([0, 0, 1])
r = dql.DQ([1, 0, 0, 0])
base_pose = r + 0.5 * dql.E_ * t * r
dynam_provider.set_world_to_base_tf(base_pose)
t_ = 0
rospy.loginfo("Publishing dummy robot dynamics")
r = dql.DQ([0, 0, 0, 1])
rate = rospy.Rate(100)
dummy_force = np.random.rand(3) * 100
dummy_torque = np.random.rand(3) * 10
while not rospy.is_shutdown():
t = dql.DQ([1, 2, 1]) + dql.i_ * np.sin(t_/2/np.pi) + dql.j_ * np.cos(t_/2/np.pi)
ee_pose = r + 0.5 * dql.E_ * t * r
dummy_force = dummy_force * 0.9 + np.random.rand(3) * 10
dummy_torque = dummy_torque * 0.9 + np.random.rand(3) * 1
dynam_provider.publish_stiffness(ee_pose, dummy_force, dummy_torque)
rate.sleep()
t_ += 0.01

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@@ -1,30 +0,0 @@
import rospy
from sas_robot_driver_franka import RobotDynamicsInterface
import dqrobotics as dql
import numpy as np
from dqrobotics.interfaces.vrep import DQ_VrepInterface
vrep = DQ_VrepInterface()
vrep.connect("192.168.10.103", 19997, 100, 10)
if __name__ == "__main__":
rospy.init_node("dummy_robot_dynamics_subscriber")
dynam_provider = RobotDynamicsInterface("/franka1")
while not dynam_provider.is_enabled():
rospy.loginfo("Waiting for robot dynamics provider to be enabled")
rospy.sleep(1)
rospy.loginfo("Subscribing to dummy robot dynamics")
rate = rospy.Rate(50)
while not rospy.is_shutdown():
force = dynam_provider.get_stiffness_force()
torque = dynam_provider.get_stiffness_torque()
ee_pose = dynam_provider.get_stiffness_frame_pose()
vrep.set_object_pose("xd1", ee_pose)
rospy.loginfo("EE Pose: %s", ee_pose)
rospy.loginfo("Force: %s", force)
rospy.loginfo("Torque: %s", torque)
rate.sleep()

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@@ -1,12 +0,0 @@
# ! DO NOT MANUALLY INVOKE THIS setup.py, USE CATKIN INSTEAD
from distutils.core import setup
from catkin_pkg.python_setup import generate_distutils_setup
# fetch values from package.xml
setup_args = generate_distutils_setup(
packages=['sas_robot_driver_franka'],
package_dir={'': 'src'},
)
setup(**setup_args)

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@@ -4,241 +4,250 @@
namespace sas namespace sas
{ {
RobotDriverCoppelia::~RobotDriverCoppelia() {
deinitialize();
disconnect();
}
RobotDriverCoppelia::RobotDriverCoppelia(ros::NodeHandle nh, const RobotDriverCoppeliaConfiguration &configuration, std::atomic_bool *break_loops): RobotDriverCoppelia::RobotDriverCoppelia(const RobotDriverCoppeliaConfiguration &configuration, std::atomic_bool *break_loops):
RobotDriver(break_loops),
configuration_(configuration), configuration_(configuration),
clock_(configuration.thread_sampling_time_nsec), robot_mode_(configuration.robot_mode),
break_loops_(break_loops), jointnames_(configuration.jointnames),
robot_mode_(ControlMode::Position), mirror_mode_(configuration.mirror_mode),
vi_(std::make_shared<DQ_VrepInterface>()) dim_configuration_space_(configuration.jointnames.size()),
real_robot_topic_prefix_(configuration.real_robot_topic_prefix)
{ {
// should initialize robot driver interface to real robot vi_ = std::make_shared<DQ_VrepInterface>();
DQ_SerialManipulatorDH smdh = DQ_JsonReader::get_from_json<DQ_SerialManipulatorDH>(configuration_.robot_parameter_file_path); desired_joint_velocities_ = VectorXd::Zero(dim_configuration_space_);
joint_limits_ = {smdh.get_lower_q_limit(),smdh.get_upper_q_limit()}; auto nodehandle = ros::NodeHandle();
if(configuration_.using_real_robot) std::cout<<"RobotDriverCoppelia::Rostopic: "<<"/"+real_robot_topic_prefix_<<std::endl;
franka1_ros_ = std::make_shared<sas::RobotDriverInterface>(nodehandle, "/"+real_robot_topic_prefix_);
}
VectorXd RobotDriverCoppelia::get_joint_positions()
{ {
ROS_INFO_STREAM("[" + ros::this_node::getName() + "]::Using real robot, Instantiating robot interface to real driver."); return current_joint_positions_;
real_robot_interface_ = std::make_shared<RobotDriverInterface>(nh, configuration_.robot_topic_prefix);
}else{
ROS_INFO_STREAM("[" + ros::this_node::getName() + "]::Using simulation robot, simulation mode is set to "+ configuration_.robot_mode);
robot_provider_ = std::make_shared<RobotDriverProvider>(nh, configuration_.robot_topic_prefix);
std::string _mode_upper = configuration_.robot_mode;
std::transform(_mode_upper.begin(), _mode_upper.end(), _mode_upper.begin(), ::toupper);
if(_mode_upper == "POSITIONCONTROL"){
robot_mode_ = ControlMode::Position;
}else if(_mode_upper == "VELOCITYCONTROL"){
robot_mode_ = ControlMode::Velocity;
}else{
throw std::invalid_argument("[" + ros::this_node::getName() + "]::Robot mode must be either 'position' or 'velocity'");
}
} }
} void RobotDriverCoppelia::set_target_joint_positions(const VectorXd &desired_joint_positions_rad)
void RobotDriverCoppelia::_update_vrep_position(const VectorXd &joint_positions, const bool& force_update) const{
if(configuration_.vrep_dynamically_enabled){
if(force_update){
vi_->set_joint_positions(configuration_.vrep_joint_names, joint_positions);
}
vi_->set_joint_target_positions(configuration_.vrep_joint_names, joint_positions);
}else{
vi_->set_joint_positions(configuration_.vrep_joint_names, joint_positions);
}
}
void RobotDriverCoppelia::_update_vrep_velocity(const VectorXd & joint_velocity) const{
if(!configuration_.vrep_dynamically_enabled){
throw std::runtime_error("[RobotDriverCoppelia]::[_update_vrep_velocity]::Vrep is not dynamically enabled");
}
vi_->set_joint_target_velocities(configuration_.vrep_joint_names, joint_velocity);
}
void RobotDriverCoppelia::_start_control_loop(){
clock_.init();
ROS_INFO_STREAM("[" + ros::this_node::getName() + "]::Starting control loop...");
while(!_should_shutdown()){
clock_.update_and_sleep();
ros::spinOnce();
if(!ros::ok()){break_loops_->store(true);}
if(configuration_.using_real_robot){
// real_robot_interface_
auto joint_position = real_robot_interface_->get_joint_positions();
_update_vrep_position(joint_position);
}else{
// robot_provider_
VectorXd target_joint_positions;
auto current_joint_positions = vi_->get_joint_positions(configuration_.vrep_joint_names);
VectorXd current_joint_velocity;
if(robot_provider_->is_enabled()) {
if(robot_mode_ == ControlMode::Velocity)
{ {
if(robot_provider_->is_enabled(sas::RobotDriver::Functionality::VelocityControl)) { desired_joint_positions_ = desired_joint_positions_rad;
simulated_joint_velocities_ = robot_provider_->get_target_joint_velocities();
current_joint_velocity = simulated_joint_velocities_;
// try{_update_vrep_velocity(simulated_joint_velocities_);}catch (...){}
} }
else{
ROS_DEBUG_STREAM("[" + ros::this_node::getName() + "]::Velocity control is not enabled."); VectorXd RobotDriverCoppelia::get_joint_velocities()
{
return current_joint_velocities_;
} }
target_joint_positions = simulated_joint_positions_;
void RobotDriverCoppelia::set_target_joint_velocities(const VectorXd &desired_joint_velocities)
{
desired_joint_velocities_ = desired_joint_velocities;
}
VectorXd RobotDriverCoppelia::get_joint_forces()
{
return current_joint_forces_;
}
RobotDriverCoppelia::~RobotDriverCoppelia()=default;
void RobotDriverCoppelia::connect()
{
vi_->connect(configuration_.ip, configuration_.port, 500, 10);
vi_->set_joint_target_velocities(jointnames_, VectorXd::Zero(dim_configuration_space_));
std::cout<<"RobotDriverCoppelia::Connecting..."<<std::endl;
}
void RobotDriverCoppelia::disconnect()
{
vi_->disconnect();
if (joint_velocity_control_mode_thread_.joinable())
{
joint_velocity_control_mode_thread_.join();
}
if (joint_velocity_control_mirror_mode_thread_.joinable())
{
joint_velocity_control_mirror_mode_thread_.join();
}
std::cout<<"RobotDriverCoppelia::Disconnected."<<std::endl;
}
void RobotDriverCoppelia::initialize()
{
vi_->start_simulation();
if (mirror_mode_ == false)
{
_start_joint_velocity_control_thread();
}else{ }else{
target_joint_positions = robot_provider_->get_target_joint_positions(); _start_joint_velocity_control_mirror_thread();
} }
}else { std::cout<<"RobotDriverCoppelia::Velocity loop running..."<<std::endl;
target_joint_positions = current_joint_positions;
} }
_update_vrep_position(target_joint_positions);
robot_provider_->send_joint_states(current_joint_positions, current_joint_velocity, VectorXd());
robot_provider_->send_joint_limits(joint_limits_);
} void RobotDriverCoppelia::deinitialize()
{
vi_->set_joint_target_velocities(jointnames_, VectorXd::Zero(dim_configuration_space_));
vi_->stop_simulation();
finish_motion();
std::cout<<"RobotDriverCoppelia::Deinitialized."<<std::endl;
} }
void RobotDriverCoppelia::_update_robot_state(const VectorXd &q, const VectorXd &q_dot, const VectorXd &forces)
{
current_joint_positions_ = q;
current_joint_velocities_ = q_dot;
current_joint_forces_ = forces;
} }
int RobotDriverCoppelia::start_control_loop(){ void RobotDriverCoppelia::finish_motion()
{
for (int i=0;i<1000;i++)
{
set_target_joint_positions(current_joint_positions_);
set_target_joint_velocities(VectorXd::Zero(dim_configuration_space_));
std::this_thread::sleep_for(std::chrono::milliseconds(1));
}
finish_motion_ = true;
}
void RobotDriverCoppelia::_start_joint_velocity_control_mode()
{
try{ try{
ROS_INFO_STREAM(ros::this_node::getName() << "::Waiting to connect with coppelia..."); finish_motion_ = false;
connect(); VectorXd q = vi_->get_joint_positions(jointnames_);
ROS_INFO_STREAM(ros::this_node::getName() << "::Connected to coppelia."); VectorXd q_dot = vi_->get_joint_velocities(jointnames_);
ROS_INFO_STREAM(ros::this_node::getName() << "::Initializing..."); VectorXd forces = vi_->get_joint_torques(jointnames_);
initialize(); _update_robot_state(q, q_dot, forces);
ROS_INFO_STREAM(ros::this_node::getName() << "::initialized.");
_start_control_loop(); desired_joint_positions_ = q;
while(true)
{
VectorXd q = vi_->get_joint_positions(jointnames_);
VectorXd q_dot = vi_->get_joint_velocities(jointnames_);
VectorXd forces = vi_->get_joint_torques(jointnames_);
_update_robot_state(q, q_dot, forces);
if (robot_mode_ == std::string("VelocityControl"))
{
vi_->set_joint_target_velocities(jointnames_, desired_joint_velocities_);
}
else if (robot_mode_ == std::string("PositionControl"))
{
vi_->set_joint_target_positions(jointnames_, desired_joint_positions_);
}
if (finish_motion_) {
finish_motion_ = false;
return;
}
}
} }
catch(const std::exception& e) catch(const std::exception& e)
{ {
ROS_WARN_STREAM(ros::this_node::getName() + "::Error or exception caught::" << e.what()); std::cout<<"RobotDriverCoppelia::sas_robot_coppelia_driver::_start_joint_velocity_control_mode(). Error or exception caught " << e.what()<<std::endl;
} }
catch(...) catch(...)
{ {
ROS_WARN_STREAM(ros::this_node::getName() + "::Unexpected error or exception caught"); std::cout<<"RobotDriverCoppelia::sas_robot_coppelia_driver::_start_joint_velocity_control_mode(). Error or exception caught " <<std::endl;
}
ROS_INFO_STREAM(ros::this_node::getName() << "::Deinitializing...");
deinitialize();
ROS_INFO_STREAM(ros::this_node::getName() << "::deinitialized.");
ROS_INFO_STREAM(ros::this_node::getName() << "::Disconnecting from coppelia...");
disconnect();
ROS_INFO_STREAM(ros::this_node::getName() << "::Disconnected from coppelia.");
return 0;
} }
void RobotDriverCoppelia::connect(){
auto ret = vi_->connect(configuration_.vrep_ip, configuration_.vrep_port, 100, 10);
if(!ret){
throw std::runtime_error("[RobotDriverCoppelia]::connect::Could not connect to Vrep");
}
ROS_INFO_STREAM("[" + ros::this_node::getName() + "]::[RobotDriverCoppelia]::connect::Connected to Vrep");
}
void RobotDriverCoppelia::disconnect(){
vi_->disconnect_all();
} }
void RobotDriverCoppelia::initialize(){ void RobotDriverCoppelia::_start_joint_velocity_control_thread()
if(configuration_.using_real_robot)
{ {
ROS_INFO_STREAM("[" + ros::this_node::getName() +"]::[RobotDriverCoppelia]::initialize::Waiting for real robot interface to initialize..."); finish_motion_ = false;
ros::spinOnce(); if (joint_velocity_control_mode_thread_.joinable())
int count = 0;
while (!real_robot_interface_->is_enabled()) {
ros::spinOnce();
std::this_thread::sleep_for(std::chrono::milliseconds(100));
count++;
if(count > REAL_ROBOT_INTERFACE_INIT_TIMEOUT_COUNT){
ROS_ERROR_STREAM("[" + ros::this_node::getName() +"]::[RobotDriverCoppelia]::initialize::Real robot interface not initialized. Exiting on TIMEOUT...");
throw std::runtime_error("[" + ros::this_node::getName() +"]::[RobotDriverCoppelia]::initialize::Real robot interface not initialized.");
}
if(!ros::ok()) {
ROS_WARN_STREAM("[" + ros::this_node::getName() +"]::[RobotDriverCoppelia]::initialize::ROS shutdown recieved. Exiting...");
throw std::runtime_error("[" + ros::this_node::getName() +"]::[RobotDriverCoppelia]::initialize::ROS shutdown recieved, not OK.");
}
}
ROS_INFO_STREAM("[" + ros::this_node::getName() +"]::[RobotDriverCoppelia]::initialize::Real robot interface initialized.");
joint_limits_ = real_robot_interface_->get_joint_limits();
_update_vrep_position(real_robot_interface_->get_joint_positions(), true);
}else{
ROS_INFO_STREAM("[" + ros::this_node::getName() +"]::[RobotDriverCoppelia]::initialize::Simulation mode.");
// initialization information for robot driver provider
/**
* TODO: check for making sure real robot is not actually connected
*/
auto current_joint_positions = vi_->get_joint_positions(configuration_.vrep_joint_names);
VectorXd current_joint_velocity;
if(robot_mode_ == ControlMode::Velocity)
{current_joint_velocity = VectorXd::Zero(current_joint_positions.size());}
robot_provider_->send_joint_states(current_joint_positions, current_joint_velocity, VectorXd());
robot_provider_->send_joint_limits(joint_limits_);
// start velocity control simulation thread if needed
if(robot_mode_ == ControlMode::Velocity)
{ {
simulated_joint_positions_ = current_joint_positions; joint_velocity_control_mode_thread_.join();
simulated_joint_velocities_ = current_joint_velocity;
start_simulation_thread();
} }
if (joint_velocity_control_mirror_mode_thread_.joinable())
{
joint_velocity_control_mirror_mode_thread_.join();
} }
} joint_velocity_control_mode_thread_ = std::thread(&RobotDriverCoppelia::_start_joint_velocity_control_mode, this);
void RobotDriverCoppelia::deinitialize(){
// nothing to do
} }
void RobotDriverCoppelia::start_simulation_thread(){ // thread entry point void RobotDriverCoppelia::_start_joint_velocity_control_mirror_thread()
if(simulation_thread_started_){ {
throw std::runtime_error("[RobotDriverCoppelia]::start_simulation_thread::Simulation thread already started"); finish_motion_ = false;
if (joint_velocity_control_mode_thread_.joinable())
{
joint_velocity_control_mode_thread_.join();
} }
if(velocity_control_simulation_thread_.joinable()){ if (joint_velocity_control_mirror_mode_thread_.joinable())
velocity_control_simulation_thread_.join(); {
joint_velocity_control_mirror_mode_thread_.join();
}
joint_velocity_control_mirror_mode_thread_ = std::thread(&RobotDriverCoppelia::_start_joint_velocity_control_mirror_mode, this);
} }
velocity_control_simulation_thread_ = std::thread(&RobotDriverCoppelia::_velocity_control_simulation_thread_main, this); void RobotDriverCoppelia::_start_joint_velocity_control_mirror_mode()
} {
void RobotDriverCoppelia::_velocity_control_simulation_thread_main(){
/**
* This thread should not access vrep
*/
simulation_thread_started_ = true;
try{ try{
ROS_INFO_STREAM("[" + ros::this_node::getName() + finish_motion_ = false;
"]::[RobotDriverCoppelia]::[_velocity_control_simulation_thread_main]::Simulation thread started."); std::cout<<"RobotDriverCoppelia::Waiting for real robot topics..."<<std::endl;
sas::Clock clock = sas::Clock(VIRTUAL_ROBOT_SIMULATION_SAMPLING_TIME_NSEC); VectorXd q;
double tau = static_cast<double>(VIRTUAL_ROBOT_SIMULATION_SAMPLING_TIME_NSEC) * 1e-9; while (ros::ok()) {
auto current_joint_positions = simulated_joint_positions_; if (franka1_ros_->is_enabled())
clock.init(); {
while (!(*break_loops_) && ros::ok()) { q = franka1_ros_->get_joint_positions();
break;
}
ros::spinOnce();
}
std::cout<<"RobotDriverCoppelia::Done!"<<std::endl;
current_joint_positions += tau * simulated_joint_velocities_; // no dynamic model VectorXd q_vrep = vi_->get_joint_positions(jointnames_);
// cap joint limit VectorXd q_dot_vrep = vi_->get_joint_velocities(jointnames_);
auto q_min = std::get<0>(joint_limits_); VectorXd forces_vrep = vi_->get_joint_torques(jointnames_);
auto q_max = std::get<1>(joint_limits_); _update_robot_state(q_vrep, q_dot_vrep, forces_vrep);
for (int i = 0; i < current_joint_positions.size(); i++) {
if (current_joint_positions(i) < q_min(i)) { desired_joint_positions_ = q_vrep;
current_joint_positions(i) = q_min(i);
while(ros::ok())
{
q = franka1_ros_->get_joint_positions();
if (q.size() == dim_configuration_space_)
{
VectorXd q_vrep = vi_->get_joint_positions(jointnames_);
VectorXd q_dot_vrep = vi_->get_joint_velocities(jointnames_);
VectorXd forces_vrep = vi_->get_joint_torques(jointnames_);
_update_robot_state(q_vrep, q_dot_vrep, forces_vrep);
if (robot_mode_ == std::string("VelocityControl"))
{
vi_->set_joint_target_velocities(jointnames_, gain_*(q-q_vrep));
} }
if (current_joint_positions(i) > q_max(i)) { else if (robot_mode_ == std::string("PositionControl"))
current_joint_positions(i) = q_max(i); {
vi_->set_joint_target_positions(jointnames_, q);
}
if (finish_motion_) {
finish_motion_ = false;
return;
} }
} }
simulated_joint_positions_ = current_joint_positions;
clock.update_and_sleep();
} }
}catch(std::exception &e){ }
ROS_ERROR_STREAM("[" + ros::this_node::getName() + "]::[RobotDriverCoppelia]::[_velocity_control_simulation_thread_main]::Exception::" + e.what()); catch(const std::exception& e)
simulation_thread_started_ = false; {
}catch(...){ std::cout<<"RobotDriverCoppelia::sas_robot_coppelia_driver::_start_joint_velocity_control_mirror_mode(). Error or exception caught " << e.what()<<std::endl;
ROS_ERROR_STREAM("[" + ros::this_node::getName() + "]::[RobotDriverCoppelia]::[_velocity_control_simulation_thread_main]::Exception::Unknown"); }
simulation_thread_started_ = false; catch(...)
{
std::cout<<"RobotDriverCoppelia::sas_robot_coppelia_driver::_start_joint_velocity_control_mirror_mode(). Error or exception caught " <<std::endl;
} }
} }
} // sas namespace } // sas namespace

View File

@@ -39,18 +39,10 @@
#include <memory> #include <memory>
#include <dqrobotics/DQ.h> #include <dqrobotics/DQ.h>
#include <sas_robot_driver/sas_robot_driver.h> #include <sas_robot_driver/sas_robot_driver.h>
#include <sas_clock/sas_clock.h> #include <dqrobotics/interfaces/vrep/DQ_VrepRobot.h>
// #include <dqrobotics/interfaces/vrep/DQ_VrepRobot.h>
#include <dqrobotics/interfaces/vrep/DQ_VrepInterface.h>
#include <dqrobotics/interfaces/json11/DQ_JsonReader.h>
// #include <dqrobotics/robot_modeling/DQ_SerialManipulatorDH.h>
#include <thread> #include <thread>
#include <atomic>
#include <sas_robot_driver/sas_robot_driver_interface.h> #include <sas_robot_driver/sas_robot_driver_interface.h>
#include <sas_robot_driver/sas_robot_driver_provider.h>
#define VIRTUAL_ROBOT_SIMULATION_SAMPLING_TIME_NSEC 2000000 // 2ms, 500Hz
#define REAL_ROBOT_INTERFACE_INIT_TIMEOUT_COUNT 500
using namespace DQ_robotics; using namespace DQ_robotics;
using namespace Eigen; using namespace Eigen;
@@ -62,78 +54,81 @@ namespace sas
struct RobotDriverCoppeliaConfiguration struct RobotDriverCoppeliaConfiguration
{ {
int thread_sampling_time_nsec; // frontend vrep update rate int thread_sampling_time_nsec;
int vrep_port; int port;
std::string vrep_ip; std::string ip;
std::vector<std::string> vrep_joint_names; std::vector<std::string> jointnames;
bool vrep_dynamically_enabled = false;
std::string robot_mode; std::string robot_mode;
bool using_real_robot; bool mirror_mode;
std::string robot_topic_prefix; std::string real_robot_topic_prefix;
std::string robot_parameter_file_path;
// VectorXd q_min;
// VectorXd q_max;
}; };
class RobotDriverCoppelia class RobotDriverCoppelia: public RobotDriver
{ {
private: private:
enum ControlMode{
Position=0,
Velocity
};
RobotDriverCoppeliaConfiguration configuration_; RobotDriverCoppeliaConfiguration configuration_;
Clock clock_; std::string robot_mode_ = std::string("VelocityControl"); // PositionControl
std::atomic_bool* break_loops_; bool mirror_mode_ = false;
bool _should_shutdown() const {return (*break_loops_);} double gain_ = 3.0;
ControlMode robot_mode_; std::string real_robot_topic_prefix_;
std::shared_ptr<DQ_VrepInterface> vi_; VectorXd current_joint_positions_;
std::shared_ptr<sas::RobotDriverInterface> real_robot_interface_ = nullptr; VectorXd current_joint_velocities_;
std::shared_ptr<sas::RobotDriverProvider> robot_provider_ = nullptr; VectorXd current_joint_forces_;
// backend thread for simulaton
/**
* Current simulation mechanism is not accounting for any robot dynamics, just the joint limits
*/
std::thread velocity_control_simulation_thread_;
VectorXd simulated_joint_positions_;
VectorXd simulated_joint_velocities_;
void start_simulation_thread(); // thread entry point
void _velocity_control_simulation_thread_main();
std::atomic_bool simulation_thread_started_{false};
bool initialized_ = false; VectorXd desired_joint_velocities_;
inline void _assert_initialized() const{ VectorXd desired_joint_positions_;
if (!initialized_){throw std::runtime_error("[RobotDriverCoppelia] Robot driver not initialized");}
} std::atomic<bool> finish_motion_;
inline void _assert_is_alive() const{
if(!configuration_.using_real_robot && !simulation_thread_started_){throw std::runtime_error("[RobotDriverCoppelia] Robot Simulation is not alive");} int dim_configuration_space_;
}
void _update_robot_state(const VectorXd& q, const VectorXd& q_dot, const VectorXd& forces);
void finish_motion();
void _start_joint_velocity_control_mode();
std::thread joint_velocity_control_mode_thread_;
void _start_joint_velocity_control_thread();
void _start_joint_velocity_control_mirror_mode();
std::thread joint_velocity_control_mirror_mode_thread_;
void _start_joint_velocity_control_mirror_thread();
std::shared_ptr<sas::RobotDriverInterface> franka1_ros_;
void _start_control_loop();
protected: protected:
inline void _update_vrep_position(const VectorXd &joint_positions, const bool& force_update=false) const; std::shared_ptr<DQ_VrepInterface> vi_;
inline void _update_vrep_velocity(const VectorXd & joint_velocity) const; std::vector<std::string> jointnames_;
public: public:
RobotDriverCoppelia(const RobotDriverCoppelia&)=delete; RobotDriverCoppelia(const RobotDriverCoppelia&)=delete;
RobotDriverCoppelia()=delete; RobotDriverCoppelia()=delete;
~RobotDriverCoppelia(); ~RobotDriverCoppelia();
RobotDriverCoppelia(ros::NodeHandle nh, const RobotDriverCoppeliaConfiguration& configuration, std::atomic_bool* break_loops); RobotDriverCoppelia(const RobotDriverCoppeliaConfiguration& configuration, std::atomic_bool* break_loops);
int start_control_loop(); // public entry point
void connect(); VectorXd get_joint_positions() override;
void disconnect(); void set_target_joint_positions(const VectorXd& desired_joint_positions_rad) override;
void initialize(); VectorXd get_joint_velocities() override;
void deinitialize(); void set_target_joint_velocities(const VectorXd& desired_joint_velocities) override;
VectorXd get_joint_forces() override;
void connect() override;
void disconnect() override;
void initialize() override;
void deinitialize() override;
std::tuple<VectorXd, VectorXd> joint_limits_;
}; };
} }

View File

@@ -39,7 +39,7 @@
#include <sas_common/sas_common.h> #include <sas_common/sas_common.h>
#include <sas_conversions/eigen3_std_conversions.h> #include <sas_conversions/eigen3_std_conversions.h>
#include <sas_robot_driver/sas_robot_driver_ros.h> #include <sas_robot_driver/sas_robot_driver_ros.h>
#include "../../include/sas_robot_driver_franka/sas_robot_driver_franka.h" #include "sas_robot_driver_franka.h"
#include "robot_coppelia_ros_interface.h" #include "robot_coppelia_ros_interface.h"
/********************************************* /*********************************************

View File

@@ -0,0 +1,63 @@
/*
# Copyright (c) 2023 Juan Jose Quiroz Omana
#
# This file is part of sas_robot_driver_franka.
#
# sas_robot_driver_franka is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# sas_robot_driver_franka is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with sas_robot_driver. If not, see <https://www.gnu.org/licenses/>.
#
# ################################################################
#
# Author: Juan Jose Quiroz Omana, email: juanjqogm@gmail.com
#
# ################################################################
#
# Contributors:
# 1. Quenitin Lin
#
# ################################################################
*/
#include "sas_robot_dynamic_provider.h"
using namespace sas;
RobotDynamicProvider::RobotDynamicProvider(ros::NodeHandle &nodehandle, const std::string &node_prefix):
RobotDynamicProvider(nodehandle, nodehandle, node_prefix)
{
//Delegated
}
RobotDynamicProvider::RobotDynamicProvider(ros::NodeHandle &publisher_nodehandle, ros::NodeHandle &subscriber_nodehandle, const std::string &node_prefix):
node_prefix_(node_prefix)
{
ROS_INFO_STREAM(ros::this_node::getName() + "::Initializing RobotDynamicProvider with prefix " + node_prefix);
publisher_cartesian_stiffness_ = publisher_nodehandle.advertise<geometry_msgs::WrenchStamped>(node_prefix + "/get/cartesian_stiffness", 1);
publisher_stiffness_pose_ = publisher_nodehandle.advertise<geometry_msgs::PoseStamped>(node_prefix + "/get/stiffness_pose", 1);
}
void RobotDynamicProvider::publish_stiffness(const DQ& base_to_stiffness, const Vector3d& force, const Vector3d& torque) const
{
publisher_stiffness_pose_.publish(dq_to_geometry_msgs_pose_stamped(base_to_stiffness));
geometry_msgs::WrenchStamped msg;
msg.header.stamp = ros::Time::now();
msg.wrench.force.x = force(0);
msg.wrench.force.y = force(1);
msg.wrench.force.z = force(2);
msg.wrench.torque.x = torque(0);
msg.wrench.torque.y = torque(1);
msg.wrench.torque.z = torque(2);
publisher_cartesian_stiffness_.publish(msg);
}

View File

@@ -19,7 +19,7 @@
# #
# ################################################################ # ################################################################
# #
# Author: Quenitin Lin # Author: Juan Jose Quiroz Omana, email: juanjqogm@gmail.com
# #
# ################################################################ # ################################################################
# #
@@ -33,55 +33,25 @@
#include <sas_common/sas_common.h> #include <sas_common/sas_common.h>
#include <sas_conversions/sas_conversions.h> #include <sas_conversions/sas_conversions.h>
#include <geometry_msgs/WrenchStamped.h> #include <geometry_msgs/WrenchStamped.h>
#include <geometry_msgs/Transform.h> #include <geometry_msgs/PoseStamped.h>
#include <geometry_msgs/TransformStamped.h>
#include <tf2_ros/transform_broadcaster.h>
#include <tf2_ros//static_transform_broadcaster.h>
#include <tf2_geometry_msgs/tf2_geometry_msgs.h>
#include <geometry_msgs/Pose.h>
#include <std_msgs/Header.h>
#include <dqrobotics/DQ.h> #include <dqrobotics/DQ.h>
#define REDUCE_TF_PUBLISH_RATE 10 namespace sas {
#define WORLD_FRAME_ID "world"
namespace qros {
using namespace DQ_robotics; using namespace DQ_robotics;
class RobotDynamicProvider { class RobotDynamicProvider {
private: private:
unsigned int seq_ = 0;
std::string node_prefix_; std::string node_prefix_;
std::string child_frame_id_;
std::string parent_frame_id_;
ros::Publisher publisher_cartesian_stiffness_; ros::Publisher publisher_cartesian_stiffness_;
tf2_ros::TransformBroadcaster tf_broadcaster_; ros::Publisher publisher_stiffness_pose_;
tf2_ros::StaticTransformBroadcaster static_base_tf_broadcaster_;
DQ world_to_base_tf_;
static geometry_msgs::Transform _dq_to_geometry_msgs_transform(const DQ& pose);
void _publish_base_static_tf();
public: public:
RobotDynamicProvider() = delete; RobotDynamicProvider(ros::NodeHandle& nodehandle, const std::string& node_prefix=ros::this_node::getName());
RobotDynamicProvider(const RobotDynamicProvider&) = delete;
#ifdef BUILD_PYBIND
explicit RobotDynamicProvider(const std::string& node_prefix):RobotDynamicProvider(sas::common::get_static_node_handle(),node_prefix){}
#endif
explicit RobotDynamicProvider(ros::NodeHandle& nodehandle, const std::string& node_prefix=ros::this_node::getName());
RobotDynamicProvider(ros::NodeHandle& publisher_nodehandle, ros::NodeHandle& subscriber_nodehandle, const std::string& node_prefix=ros::this_node::getName()); RobotDynamicProvider(ros::NodeHandle& publisher_nodehandle, ros::NodeHandle& subscriber_nodehandle, const std::string& node_prefix=ros::this_node::getName());
void publish_stiffness(const DQ& base_to_stiffness, const Vector3d& force, const Vector3d& torque); void publish_stiffness(const DQ& base_to_stiffness, const Vector3d& force, const Vector3d& torque) const;
void set_world_to_base_tf(const DQ& world_to_base_tf);
bool is_enabled() const;
std::string get_topic_prefix() const {return node_prefix_;}
}; };

View File

@@ -28,7 +28,7 @@
# #
# ################################################################ # ################################################################
*/ */
#include <sas_robot_driver_franka/generator/custom_motion_generation.h> #include "generator/custom_motion_generation.h"
/** /**
* @brief CustomMotionGeneration::CustomMotionGeneration * @brief CustomMotionGeneration::CustomMotionGeneration

View File

@@ -1,6 +1,6 @@
// Copyright (c) 2017 Franka Emika GmbH // Copyright (c) 2017 Franka Emika GmbH
// Use of this source code is governed by the Apache-2.0 license, see LICENSE // Use of this source code is governed by the Apache-2.0 license, see LICENSE
#include <sas_robot_driver_franka/generator/motion_generator.h> #include "generator/motion_generator.h"
#include <algorithm> #include <algorithm>
#include <array> #include <array>
#include <cmath> #include <cmath>

View File

@@ -1,4 +1,4 @@
#include <sas_robot_driver_franka/generator/quadratic_program_motion_generator.h> #include "generator/quadratic_program_motion_generator.h"
QuadraticProgramMotionGenerator::QuadraticProgramMotionGenerator(const double &speed_factor, QuadraticProgramMotionGenerator::QuadraticProgramMotionGenerator(const double &speed_factor,

View File

@@ -1,326 +0,0 @@
/*
# Copyright (c) 2023 Juan Jose Quiroz Omana
#
# This file is part of sas_robot_driver_franka.
#
# sas_robot_driver_franka is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# sas_robot_driver_franka is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with sas_robot_driver. If not, see <https://www.gnu.org/licenses/>.
#
# ################################################################
#
# Author: Juan Jose Quiroz Omana, email: juanjqogm@gmail.com
#
# ################################################################
#
# Contributors:
# 1. Quenitin Lin
#
# ################################################################
*/
#include "qros_effector_driver_franka_hand.h"
namespace qros
{
//const static int SLAVE_MODE_JOINT_CONTROL;
//const static int SLAVE_MODE_END_EFFECTOR_CONTROL;
EffectorDriverFrankaHand::~EffectorDriverFrankaHand()
{
if (_is_connected())
{
disconnect();
}
}
EffectorDriverFrankaHand::EffectorDriverFrankaHand(
const std::string& driver_node_prefix,
const EffectorDriverFrankaHandConfiguration& configuration,
ros::NodeHandle& node_handel,
std::atomic_bool* break_loops):
driver_node_prefix_(driver_node_prefix),
configuration_(configuration),
node_handel_(node_handel),
break_loops_(break_loops)
{
gripper_sptr_ = nullptr;
grasp_server_ = node_handel_.advertiseService(driver_node_prefix_ + "/grasp",
&EffectorDriverFrankaHand::_grasp_srv_callback, this);
move_server_ = node_handel_.advertiseService(driver_node_prefix_ + "/move",
&EffectorDriverFrankaHand::_move_srv_callback, this);
gripper_status_publisher_ = node_handel_.advertise<sas_robot_driver_franka::GripperState>(
driver_node_prefix_ + "/gripper_status", 1);
}
bool EffectorDriverFrankaHand::_is_connected() const
{
#ifdef IN_TESTING
return true;
#endif
if (gripper_sptr_ == nullptr) return false;
if (!gripper_sptr_) return false;
else return true;
}
void EffectorDriverFrankaHand::start_control_loop()
{
sas::Clock clock = sas::Clock(configuration_.thread_sampeling_time_ns);
clock.init();
ROS_INFO_STREAM(
"["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::start_control_loop::Starting control loop.");
while (!(*break_loops_))
{
if (!_is_connected()) throw std::runtime_error(
"[" + ros::this_node::getName() +
"]::[EffectorDriverFrankaHand]::start_control_loop::Robot is not connected.");
if (!status_loop_running_)
{
ROS_WARN_STREAM(
"["+ ros::this_node::getName()+
"]::[EffectorDriverFrankaHand]::_is_connected::Status loop is not running.");
break_loops_->store(true);
break;
}
clock.update_and_sleep();
ros::spinOnce();
}
ROS_INFO_STREAM(
"["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::start_control_loop::Exiting control loop.");
}
void EffectorDriverFrankaHand::connect()
{
#ifdef IN_TESTING
ROS_WARN_STREAM(
"["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::connect::In testing mode. to DUMMY");
return;
#endif
gripper_sptr_ = std::make_shared<franka::Gripper>(configuration_.robot_ip);
if (!_is_connected()) throw std::runtime_error(
"[" + ros::this_node::getName() +
"]::[EffectorDriverFrankaHand]::connect::Could not connect to the robot.");
}
void EffectorDriverFrankaHand::disconnect() noexcept
{
#ifdef IN_TESTING
ROS_WARN_STREAM(
"["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::disconnect::In testing mode. from DUMMY");
return;
#endif
ROS_WARN_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::disconnecting...");
gripper_sptr_->~Gripper();
gripper_sptr_ = nullptr;
}
/**
* @brief robot_driver_franka::gripper_homing
*/
void EffectorDriverFrankaHand::gripper_homing()
{
#ifdef IN_TESTING
ROS_WARN_STREAM(
"["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::gripper_homing::In testing mode.");
return;
#endif
if (!_is_connected()) throw std::runtime_error(
"[" + ros::this_node::getName() + "]::[EffectorDriverFrankaHand]::gripper_homing::Robot is not connected.");
auto ret = gripper_sptr_->homing();
if (!ret)
{
throw std::runtime_error(
"[" + ros::this_node::getName() +
"]::[EffectorDriverFrankaHand]::gripper_homing::Failed to home the gripper.");
}
ROS_INFO_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::gripper_homing::Gripper homed.");
}
void EffectorDriverFrankaHand::initialize()
{
if (!_is_connected()) throw std::runtime_error(
"[" + ros::this_node::getName() + "]::[EffectorDriverFrankaHand]::initialize::Robot is not connected.");
gripper_homing();
// start gripper status loop
status_loop_thread_ = std::thread(&EffectorDriverFrankaHand::_gripper_status_loop, this);
}
void EffectorDriverFrankaHand::deinitialize()
{
#ifdef IN_TESTING
ROS_WARN_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::deinitialize::In testing mode.");
return;
#endif
if (_is_connected())
{
franka::GripperState gripper_state = gripper_sptr_->readOnce();
if (gripper_state.is_grasped)
{
gripper_sptr_->stop();
}
}
}
bool EffectorDriverFrankaHand::_grasp_srv_callback(sas_robot_driver_franka::Grasp::Request& req,
sas_robot_driver_franka::Grasp::Response& res)
{
ROS_DEBUG_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_grasp_srv_callback::Grasping...");
auto force = req.force;
auto speed = req.speed;
auto epsilon_inner = req.epsilon_inner;
auto epsilon_outer = req.epsilon_outer;
if (force <= 0.0) force = configuration_.default_force;
if (speed <= 0.0) speed = configuration_.default_speed;
if (epsilon_inner <= 0.0) epsilon_inner = configuration_.default_epsilon_inner;
if (epsilon_outer <= 0.0) epsilon_outer = configuration_.default_epsilon_outer;
ROS_DEBUG_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_grasp_srv_callback::Width: " + std::to_string(req.width));
ROS_DEBUG_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_grasp_srv_callback::force: " + std::to_string(force) + " speed: " + std::to_string(speed));
bool ret = false;
bool function_ret = true;
gripper_in_use_.lock();
#ifdef IN_TESTING
ret = true;
std::this_thread::sleep_for(std::chrono::milliseconds(2000));
#else
try
{
ret = gripper_sptr_->grasp(req.width, speed, force, epsilon_inner, epsilon_outer);
}catch(franka::CommandException& e)
{
ROS_ERROR_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_grasp_srv_callback::CommandException::" + e.what());
function_ret = false;
}catch(franka::NetworkException& e)
{
ROS_ERROR_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_grasp_srv_callback::NetworkException::" + e.what());
function_ret = false;
}
#endif
gripper_in_use_.unlock();
res.success = ret;
return function_ret;
}
bool EffectorDriverFrankaHand::_move_srv_callback(sas_robot_driver_franka::Move::Request& req,
sas_robot_driver_franka::Move::Response& res)
{
ROS_DEBUG_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_move_srv_callback::Moving...");
auto speed = req.speed;
if (speed <= 0.0) speed = configuration_.default_speed;
ROS_DEBUG_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_move_srv_callback::Speed: " + std::to_string(speed) + " Width: " + std::to_string(req.width));
bool ret = false;
bool function_ret = true;
gripper_in_use_.lock();
#ifdef IN_TESTING
ret = true;
std::this_thread::sleep_for(std::chrono::milliseconds(2000));
#else
try
{
ret = gripper_sptr_->move(req.width, speed);
}catch(franka::CommandException& e)
{
ROS_ERROR_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_move_srv_callback::CommandException::" + e.what());
function_ret = false;
}catch(franka::NetworkException& e)
{
ROS_ERROR_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_move_srv_callback::NetworkException::" + e.what());
function_ret = false;
}
#endif
gripper_in_use_.unlock();
res.success = ret;
return function_ret;
}
void EffectorDriverFrankaHand::_gripper_status_loop()
{
status_loop_running_ = true;
sas::Clock clock = sas::Clock(configuration_.thread_sampeling_time_ns);
ROS_INFO_STREAM(
"["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_gripper_status_loop::Starting status loop.")
;
clock.init();
try
{
while (status_loop_running_)
{
bool should_unlock = false;
if (!_is_connected()) throw std::runtime_error(
"[" + ros::this_node::getName() +
"]::[EffectorDriverFrankaHand]::_gripper_status_loop::Robot is not connected.");
try
{
#ifdef IN_TESTING
ROS_WARN_STREAM(
"["+ ros::this_node::getName()+
"]::[EffectorDriverFrankaHand]::_gripper_status_loop::In testing mode.");
throw std::runtime_error(
"[" + ros::this_node::getName() +
"]::[EffectorDriverFrankaHand]::_gripper_status_loop::In testing mode.");
#endif
#ifdef BLOCK_READ_IN_USED
gripper_in_use_.lock();
should_unlock = true;
#endif
franka::GripperState gripper_state = gripper_sptr_->readOnce();
#ifdef BLOCK_READ_IN_USED
gripper_in_use_.unlock();
#endif
sas_robot_driver_franka::GripperState msg;
msg.width = static_cast<float>(gripper_state.width);
msg.max_width = static_cast<float>(gripper_state.max_width);
msg.is_grasped = gripper_state.is_grasped;
msg.temperature = gripper_state.temperature;
msg.duration_ms = gripper_state.time.toMSec();
gripper_status_publisher_.publish(msg);
}
catch (...)
{
#ifdef BLOCK_READ_IN_USED
if (should_unlock) gripper_in_use_.unlock();
#endif
ROS_INFO_STREAM("["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_gripper_status_loop::Could not read gripper state. Unavailable.");
sas_robot_driver_franka::GripperState msg;
msg.width = 0.0;
gripper_status_publisher_.publish(msg);
}
clock.update_and_sleep();
}
status_loop_running_ = false;
}
catch (std::exception& e)
{
ROS_ERROR_STREAM(
"["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_gripper_status_loop::Exception::" + e.
what());
status_loop_running_ = false;
}
catch (...)
{
ROS_ERROR_STREAM(
"["+ ros::this_node::getName()+
"]::[EffectorDriverFrankaHand]::_gripper_status_loop::Exception::Unknown exception.");
status_loop_running_ = false;
}
ROS_INFO_STREAM(
"["+ ros::this_node::getName()+"]::[EffectorDriverFrankaHand]::_gripper_status_loop::Exiting status loop.");
}
} // qros

View File

@@ -1,4 +1,4 @@
#include <sas_robot_driver_franka/robot_interface_hand.h> #include "robot_interface_hand.h"

View File

@@ -0,0 +1,152 @@
/*
# Copyright (c) 2023 Juan Jose Quiroz Omana
#
# This file is part of sas_robot_driver_franka.
#
# sas_robot_driver_franka is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# sas_robot_driver_franka is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with sas_robot_driver. If not, see <https://www.gnu.org/licenses/>.
#
# ################################################################
#
# Author: Juan Jose Quiroz Omana, email: juanjqogm@gmail.com
#
# ################################################################
#
# Contributors:
# 1. Quenitin Lin
#
# ################################################################
*/
#include "sas_robot_driver_franka_hand.h"
namespace sas {
//const static int SLAVE_MODE_JOINT_CONTROL;
//const static int SLAVE_MODE_END_EFFECTOR_CONTROL;
RobotDriverFrankaHand::~RobotDriverFrankaHand()
{
if(_is_connected())
{
disconnect();
}
}
RobotDriverFrankaHand::RobotDriverFrankaHand(
const RobotDriverFrankaHandConfiguration& configuration,
const RobotDriverROSConfiguration& ros_configuration,
std::atomic_bool* break_loops):
configuration_(configuration), ros_configuration_(ros_configuration), break_loops_(break_loops)
{
gripper_sptr_ = nullptr;
}
bool RobotDriverFrankaHand::_is_connected() const
{
if(gripper_sptr_ == nullptr) return false;
if(!gripper_sptr_) return false;
else return true;
}
VectorXd RobotDriverFrankaHand::get_joint_positions()
{
return joint_positions_;
}
void RobotDriverFrankaHand::set_target_joint_positions(const VectorXd& desired_joint_positions_rad)
{
}
VectorXd RobotDriverFrankaHand::get_joint_velocities()
{
return VectorXd::Zero(1);
}
void RobotDriverFrankaHand::set_target_joint_velocities(const VectorXd& desired_joint_velocities)
{
}
VectorXd RobotDriverFrankaHand::get_joint_forces()
{
return VectorXd::Zero(1);
}
void RobotDriverFrankaHand::start_control_loop()
{
Clock clock = Clock(ros_configuration_.thread_sampling_time_nsec);
clock.init();
ROS_INFO_STREAM("["+ ros::this_node::getName()+"]::[RobotDriverFrankaHand]::start_control_loop::Starting control loop.");
while(!(*break_loops_))
{
if(!_is_connected()) throw std::runtime_error("["+ ros::this_node::getName()+"]::[RobotDriverFrankaHand]::start_control_loop::Robot is not connected.");
clock.update_and_sleep();
}
ROS_INFO_STREAM("["+ ros::this_node::getName()+"]::[RobotDriverFrankaHand]::start_control_loop::Exiting control loop.");
}
void RobotDriverFrankaHand::connect()
{
gripper_sptr_ = std::make_shared<franka::Gripper>(configuration_.robot_ip);
if(!_is_connected()) throw std::runtime_error("["+ ros::this_node::getName()+"]::[RobotDriverFrankaHand]::connect::Could not connect to the robot.");
}
void RobotDriverFrankaHand::disconnect() noexcept
{
ROS_WARN_STREAM("["+ ros::this_node::getName()+"]::[RobotDriverFrankaHand]::disconnecting...");
gripper_sptr_->~Gripper();
gripper_sptr_ = nullptr;
}
/**
* @brief robot_driver_franka::gripper_homing
*/
void RobotDriverFrankaHand::gripper_homing()
{
if(!_is_connected()) throw std::runtime_error("["+ ros::this_node::getName()+"]::[RobotDriverFrankaHand]::gripper_homing::Robot is not connected.");
auto ret = gripper_sptr_->homing();
if(!ret)
{
throw std::runtime_error("["+ ros::this_node::getName()+"]::[RobotDriverFrankaHand]::gripper_homing::Failed to home the gripper.");
}
ROS_INFO_STREAM("["+ ros::this_node::getName()+"]::[RobotDriverFrankaHand]::gripper_homing::Gripper homed.");
}
void RobotDriverFrankaHand::initialize()
{
if(!_is_connected()) throw std::runtime_error("["+ ros::this_node::getName()+"]::[RobotDriverFrankaHand]::initialize::Robot is not connected.");
gripper_homing();
}
void RobotDriverFrankaHand::deinitialize()
{
if(_is_connected())
{
franka::GripperState gripper_state = gripper_sptr_->readOnce();
if(gripper_state.is_grasped)
{
gripper_sptr_->stop();
}
}
}
} // sas

View File

@@ -35,80 +35,70 @@
#include <memory> #include <memory>
#include <franka/robot.h> #include <franka/robot.h>
#include <franka/gripper.h> #include <franka/gripper.h>
#include <thread> // #include <thread>
#include <mutex>
#include <franka/exception.h> #include <dqrobotics/DQ.h>
// #define BLOCK_READ_IN_USED
// #define IN_TESTING
// #include <sas_robot_driver/sas_robot_driver.h> #include <sas_robot_driver/sas_robot_driver.h>
#include <sas_robot_driver/sas_robot_driver_ros.h>
#include <sas_clock/sas_clock.h> #include <sas_clock/sas_clock.h>
#include <ros/ros.h> #include <ros/common.h>
#include <ros/service.h>
#include <sas_robot_driver_franka/Grasp.h> using namespace DQ_robotics;
#include <sas_robot_driver_franka/Move.h> using namespace Eigen;
#include <sas_robot_driver_franka/GripperState.h>
namespace sas {
// using namespace DQ_robotics; struct RobotDriverFrankaHandConfiguration
// using namespace Eigen;
namespace qros {
struct EffectorDriverFrankaHandConfiguration
{ {
std::string robot_ip; std::string robot_ip;
int thread_sampeling_time_ns = 1e8; // 10Hz
double default_force = 3.0;
double default_speed = 0.1;
double default_epsilon_inner = 0.005;
double default_epsilon_outer = 0.005;
}; };
class EffectorDriverFrankaHand{ class RobotDriverFrankaHand{
private: private:
std::string driver_node_prefix_; RobotDriverFrankaHandConfiguration configuration_;
EffectorDriverFrankaHandConfiguration configuration_; RobotDriverROSConfiguration ros_configuration_;
ros::NodeHandle& node_handel_;
std::shared_ptr<franka::Gripper> gripper_sptr_; std::shared_ptr<franka::Gripper> gripper_sptr_;
//Joint positions
VectorXd joint_positions_;
//VectorXd joint_velocities_;
//VectorXd end_effector_pose_;
// std::thread control_loop_thread_;
std::atomic_bool* break_loops_; std::atomic_bool* break_loops_;
bool _is_connected() const; bool _is_connected() const;
// thread specific functions
void _gripper_status_loop();
std::thread status_loop_thread_;
std::atomic_bool status_loop_running_{false};
ros::Publisher gripper_status_publisher_;
std::mutex gripper_in_use_;
ros::ServiceServer grasp_server_;
ros::ServiceServer move_server_;
public: public:
//const static int SLAVE_MODE_JOINT_CONTROL;
//const static int SLAVE_MODE_END_EFFECTOR_CONTROL;
bool _grasp_srv_callback(sas_robot_driver_franka::Grasp::Request& req, sas_robot_driver_franka::Grasp::Response& res); RobotDriverFrankaHand(const RobotDriverFrankaHand&)=delete;
RobotDriverFrankaHand()=delete;
~RobotDriverFrankaHand();
bool _move_srv_callback(sas_robot_driver_franka::Move::Request& req, sas_robot_driver_franka::Move::Response& res); RobotDriverFrankaHand(
const RobotDriverFrankaHandConfiguration& configuration,
EffectorDriverFrankaHand(const EffectorDriverFrankaHand&)=delete; const RobotDriverROSConfiguration& ros_configuration,
EffectorDriverFrankaHand()=delete;
~EffectorDriverFrankaHand();
EffectorDriverFrankaHand(
const std::string &driver_node_prefix,
const EffectorDriverFrankaHandConfiguration& configuration,
ros::NodeHandle& node_handel,
std::atomic_bool* break_loops); std::atomic_bool* break_loops);
void start_control_loop(); void start_control_loop();
VectorXd get_joint_positions();
void set_target_joint_positions(const VectorXd& desired_joint_positions_rad);
VectorXd get_joint_velocities();
void set_target_joint_velocities(const VectorXd& desired_joint_velocities);
VectorXd get_joint_forces();
void gripper_homing(); void gripper_homing();
@@ -117,7 +107,11 @@ public:
void initialize() ; void initialize() ;
void deinitialize() ; void deinitialize() ;
//bool set_end_effector_pose_dq(const DQ& pose);
//DQ get_end_effector_pose_dq();
}; };
} // qros } // sas

View File

@@ -30,7 +30,7 @@
*/ */
#include <sas_robot_driver_franka/robot_interface_franka.h> #include "robot_interface_franka.h"
#include <ros/this_node.h> #include <ros/this_node.h>
#include <rosconsole/macros_generated.h> #include <rosconsole/macros_generated.h>
@@ -365,7 +365,7 @@ void RobotInterfaceFranka::_update_robot_state(const franka::RobotState &robot_s
current_joint_forces_array_ = robot_state.tau_J; current_joint_forces_array_ = robot_state.tau_J;
current_joint_forces_ = Eigen::Map<VectorXd>(current_joint_forces_array_.data(), 7); current_joint_forces_ = Eigen::Map<VectorXd>(current_joint_forces_array_.data(), 7);
current_stiffness_force_torque_array_ = robot_state.K_F_ext_hat_K; current_stiffness_force_torque_array_ = robot_state.O_F_ext_hat_K;
current_stiffness_force_[0] = current_stiffness_force_torque_array_[0]; current_stiffness_force_[0] = current_stiffness_force_torque_array_[0];
current_stiffness_force_[1] = current_stiffness_force_torque_array_[1]; current_stiffness_force_[1] = current_stiffness_force_torque_array_[1];
current_stiffness_force_[2] = current_stiffness_force_torque_array_[2]; current_stiffness_force_[2] = current_stiffness_force_torque_array_[2];
@@ -718,7 +718,6 @@ DQ RobotInterfaceFranka::get_stiffness_pose() {
const auto base_2_ee = homgenious_tf_to_DQ(current_effeector_pose_); const auto base_2_ee = homgenious_tf_to_DQ(current_effeector_pose_);
const auto ee_2_k = homgenious_tf_to_DQ(current_stiffness_pose_); const auto ee_2_k = homgenious_tf_to_DQ(current_stiffness_pose_);
return base_2_ee * ee_2_k; return base_2_ee * ee_2_k;
// return base_2_k;
} }
/** /**

View File

@@ -30,12 +30,16 @@
# ################################################################ # ################################################################
*/ */
#include <sas_robot_driver_franka/sas_robot_driver_franka.h>
#include "../../include/sas_robot_driver_franka.h"
#include "sas_clock/sas_clock.h"
#include <dqrobotics/utils/DQ_Math.h>
#include <ros/this_node.h>
#include <rosconsole/macros_generated.h>
namespace sas namespace sas
{ {
RobotDriverFranka::RobotDriverFranka(qros::RobotDynamicProvider* robot_dynamic_provider, const RobotDriverFrankaConfiguration &configuration, std::atomic_bool *break_loops): RobotDriverFranka::RobotDriverFranka(RobotDynamicProvider* robot_dynamic_provider, const RobotDriverFrankaConfiguration &configuration, std::atomic_bool *break_loops):
RobotDriver(break_loops), RobotDriver(break_loops),
configuration_(configuration), configuration_(configuration),
robot_dynamic_provider_(robot_dynamic_provider), robot_dynamic_provider_(robot_dynamic_provider),
@@ -142,10 +146,6 @@ namespace sas
ROS_ERROR_STREAM("["+ros::this_node::getName()+"]::driver interface error on:"+robot_driver_interface_sptr_->get_status_message()); ROS_ERROR_STREAM("["+ros::this_node::getName()+"]::driver interface error on:"+robot_driver_interface_sptr_->get_status_message());
break_loops_->store(true); break_loops_->store(true);
} }
if(!ros::ok()) {
ROS_ERROR_STREAM("["+ros::this_node::getName()+"]::ROS shutdown requested.");
break_loops_->store(true);
}
_update_stiffness_contact_and_pose(); _update_stiffness_contact_and_pose();
return robot_driver_interface_sptr_->get_joint_positions(); return robot_driver_interface_sptr_->get_joint_positions();
} }

View File

@@ -1,60 +0,0 @@
/*
# Copyright (c) 2023 Juan Jose Quiroz Omana
#
# This file is part of sas_robot_driver_franka.
#
# sas_robot_driver_franka is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# sas_robot_driver_franka is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with sas_robot_driver. If not, see <https://www.gnu.org/licenses/>.
#
# ################################################################
#
# Author: Quenitin Lin
#
# ################################################################
#
# Contributors:
# 1. Quenitin Lin
#
# ################################################################
*/
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include <pybind11/eigen.h>
#include <sas_robot_driver_franka/robot_dynamic/qros_robot_dynamics_provider.h>
#include <sas_robot_driver_franka/robot_dynamic/qros_robot_dynamics_interface.h>
namespace py = pybind11;
using RDI = qros::RobotDynamicInterface;
using RDP = qros::RobotDynamicProvider;
PYBIND11_MODULE(_qros_robot_dynamic, m)
{
py::class_<RDI>(m, "RobotDynamicsInterface")
.def(py::init<const std::string&>())
.def("get_stiffness_force",&RDI::get_stiffness_force)
.def("get_stiffness_torque",&RDI::get_stiffness_torque)
.def("get_stiffness_frame_pose",&RDI::get_stiffness_frame_pose)
.def("is_enabled",&RDI::is_enabled,"Returns true if the RobotDynamicInterface is enabled.")
.def("get_topic_prefix",&RDI::get_topic_prefix);
py::class_<RDP>(m, "RobotDynamicsProvider")
.def(py::init<const std::string&>())
.def("publish_stiffness",&RDP::publish_stiffness)
.def("set_world_to_base_tf", &RDP::set_world_to_base_tf)
.def("is_enabled",&RDP::is_enabled,"Returns true if the RobotDynamicProvider is enabled.")
.def("get_topic_prefix",&RDP::get_topic_prefix);
}

View File

@@ -1,103 +0,0 @@
/*
# Copyright (c) 2023 Juan Jose Quiroz Omana
#
# This file is part of sas_robot_driver_franka.
#
# sas_robot_driver_franka is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# sas_robot_driver_franka is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with sas_robot_driver. If not, see <https://www.gnu.org/licenses/>.
#
# ################################################################
#
# Author: Juan Jose Quiroz Omana, email: juanjqogm@gmail.com
#
# ################################################################
#
# Contributors:
# 1. Quenitin Lin
#
# ################################################################
*/
#include <sas_robot_driver_franka/robot_dynamic/qros_robot_dynamics_interface.h>
using namespace qros;
RobotDynamicInterface::RobotDynamicInterface(ros::NodeHandle &nodehandle, const std::string &node_prefix):
RobotDynamicInterface(nodehandle, nodehandle, node_prefix)
{
//Delegated
}
RobotDynamicInterface::RobotDynamicInterface(ros::NodeHandle &publisher_nodehandle, ros::NodeHandle &subscriber_nodehandle, const std::string &node_prefix):
node_prefix_(node_prefix),
child_frame_id_(node_prefix + "_stiffness_frame"),
parent_frame_id_(node_prefix + "_base"),
tf_buffer_(ros::Duration(BUFFER_DURATION_DEFAULT_S)),
tf_listener_(tf_buffer_, subscriber_nodehandle),
last_stiffness_force_(Vector3d::Zero()),
last_stiffness_torque_(Vector3d::Zero()),
last_stiffness_frame_pose_(0)
{
// Strip potential leading slash
if(child_frame_id_.front() == '/'){child_frame_id_ = child_frame_id_.substr(1);}
if(parent_frame_id_.front() == '/'){parent_frame_id_ = parent_frame_id_.substr(1);}
ROS_INFO_STREAM(ros::this_node::getName() + "::Initializing RobotDynamicInterface with prefix " + node_prefix);
subscriber_cartesian_stiffness_ = subscriber_nodehandle.subscribe(node_prefix_ + "/get/cartesian_stiffness", 1, &RobotDynamicInterface::_callback_cartesian_stiffness, this);
}
void RobotDynamicInterface::_callback_cartesian_stiffness(const geometry_msgs::WrenchStampedConstPtr &msg)
{
last_stiffness_force_(0) = msg->wrench.force.x;
last_stiffness_force_(1) = msg->wrench.force.y;
last_stiffness_force_(2) = msg->wrench.force.z;
last_stiffness_torque_(0) = msg->wrench.torque.x;
last_stiffness_torque_(1) = msg->wrench.torque.y;
last_stiffness_torque_(2) = msg->wrench.torque.z;
try {
const auto transform_stamped = tf_buffer_.lookupTransform( parent_frame_id_, child_frame_id_, ros::Time(0));
last_stiffness_frame_pose_ = _geometry_msgs_transform_to_dq(transform_stamped.transform);
} catch (tf2::TransformException &ex) {
ROS_WARN_STREAM(ros::this_node::getName() + "::" + ex.what());
}
}
DQ RobotDynamicInterface::_geometry_msgs_transform_to_dq(const geometry_msgs::Transform& transform)
{
const auto t = DQ(0,transform.translation.x,transform.translation.y,transform.translation.z);
const auto r = DQ(transform.rotation.w, transform.rotation.x, transform.rotation.y, transform.rotation.z);
return r + 0.5 * E_ * t * r;
}
VectorXd RobotDynamicInterface::get_stiffness_force()
{
if(!is_enabled()) throw std::runtime_error("[RobotDynamicInterface]::calling get_stiffness_force on uninitialized topic");
return last_stiffness_force_;
}
VectorXd RobotDynamicInterface::get_stiffness_torque()
{
if(!is_enabled()) throw std::runtime_error("[RobotDynamicInterface]::calling get_stiffness_torque on uninitialized topic");
return last_stiffness_torque_;
}
DQ RobotDynamicInterface::get_stiffness_frame_pose()
{
if(!is_enabled()) throw std::runtime_error("[RobotDynamicInterface]::calling get_stiffness_frame_pose on uninitialized Interface");
return last_stiffness_frame_pose_;
}
bool RobotDynamicInterface::is_enabled() const
{
if(last_stiffness_frame_pose_==0) return false;
return true;
}

View File

@@ -1,126 +0,0 @@
/*
# Copyright (c) 2023 Juan Jose Quiroz Omana
#
# This file is part of sas_robot_driver_franka.
#
# sas_robot_driver_franka is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# sas_robot_driver_franka is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with sas_robot_driver. If not, see <https://www.gnu.org/licenses/>.
#
# ################################################################
#
# Author: Juan Jose Quiroz Omana, email: juanjqogm@gmail.com
#
# ################################################################
#
# Contributors:
# 1. Quenitin Lin
#
# ################################################################
*/
#include <sas_robot_driver_franka/robot_dynamic/qros_robot_dynamics_provider.h>
using namespace qros;
RobotDynamicProvider::RobotDynamicProvider(ros::NodeHandle &nodehandle, const std::string &node_prefix):
RobotDynamicProvider(nodehandle, nodehandle, node_prefix)
{
//Delegated
}
RobotDynamicProvider::RobotDynamicProvider(ros::NodeHandle &publisher_nodehandle, ros::NodeHandle &subscriber_nodehandle, const std::string &node_prefix):
node_prefix_(node_prefix),
child_frame_id_(node_prefix + "_stiffness_frame"),
parent_frame_id_(node_prefix + "_base"),
world_to_base_tf_(0)
{
// Strip potential leading slash
if(child_frame_id_.front() == '/'){child_frame_id_ = child_frame_id_.substr(1);}
if(parent_frame_id_.front() == '/'){parent_frame_id_ = parent_frame_id_.substr(1);}
ROS_INFO_STREAM(ros::this_node::getName() + "::Initializing RobotDynamicProvider with prefix " + node_prefix);
publisher_cartesian_stiffness_ = publisher_nodehandle.advertise<geometry_msgs::WrenchStamped>(node_prefix + "/get/cartesian_stiffness", 1);
}
geometry_msgs::Transform RobotDynamicProvider::_dq_to_geometry_msgs_transform(const DQ& pose)
{
geometry_msgs::Transform tf_msg;
const auto t = translation(pose);
const auto r = rotation(pose);
tf_msg.translation.x = t.q(1);
tf_msg.translation.y = t.q(2);
tf_msg.translation.z = t.q(3);
tf_msg.rotation.w = r.q(0);
tf_msg.rotation.x = r.q(1);
tf_msg.rotation.y = r.q(2);
tf_msg.rotation.z = r.q(3);
return tf_msg;
}
void RobotDynamicProvider::set_world_to_base_tf(const DQ& world_to_base_tf)
{
if(world_to_base_tf_==0)
{
world_to_base_tf_ = world_to_base_tf;
_publish_base_static_tf();
}else
{
throw std::runtime_error("The world to base transform has already been set");
}
}
void RobotDynamicProvider::_publish_base_static_tf()
{
geometry_msgs::TransformStamped base_tf;
base_tf.transform = _dq_to_geometry_msgs_transform(world_to_base_tf_);
base_tf.header.stamp = ros::Time::now();
base_tf.header.frame_id = WORLD_FRAME_ID;
base_tf.child_frame_id = parent_frame_id_;
static_base_tf_broadcaster_.sendTransform(base_tf);
}
void RobotDynamicProvider::publish_stiffness(const DQ& base_to_stiffness, const Vector3d& force, const Vector3d& torque)
{
std_msgs::Header header;
header.stamp = ros::Time::now();
header.seq = seq_++;
geometry_msgs::WrenchStamped msg;
msg.header = header;
msg.header.frame_id = child_frame_id_;
msg.wrench.force.x = force(0);
msg.wrench.force.y = force(1);
msg.wrench.force.z = force(2);
msg.wrench.torque.x = torque(0);
msg.wrench.torque.y = torque(1);
msg.wrench.torque.z = torque(2);
publisher_cartesian_stiffness_.publish(msg);
if(seq_ % REDUCE_TF_PUBLISH_RATE == 0)
{
geometry_msgs::TransformStamped tf_msg;
tf_msg.transform = _dq_to_geometry_msgs_transform(base_to_stiffness);
tf_msg.header = header;
tf_msg.header.frame_id = parent_frame_id_;
tf_msg.child_frame_id = child_frame_id_;
tf_broadcaster_.sendTransform(tf_msg);
}
}
bool RobotDynamicProvider::is_enabled() const
{
return true; //Always enabled
}

View File

@@ -26,8 +26,6 @@
# 1. Juan Jose Quiroz Omana (juanjqogm@gmail.com) # 1. Juan Jose Quiroz Omana (juanjqogm@gmail.com)
# - Adapted from sas_robot_driver_denso_node.cpp # - Adapted from sas_robot_driver_denso_node.cpp
# (https://github.com/SmartArmStack/sas_robot_driver_denso/blob/master/src/sas_robot_driver_denso_node.cpp) # (https://github.com/SmartArmStack/sas_robot_driver_denso/blob/master/src/sas_robot_driver_denso_node.cpp)
# 2. Quentin Lin (qlin1806@g.ecc.u-tokyo.ac.jp)
-Adapted for simplify operation
# #
# ################################################################ # ################################################################
*/ */
@@ -41,7 +39,7 @@
#include <sas_common/sas_common.h> #include <sas_common/sas_common.h>
#include <sas_conversions/eigen3_std_conversions.h> #include <sas_conversions/eigen3_std_conversions.h>
#include <sas_robot_driver/sas_robot_driver_ros.h> #include <sas_robot_driver/sas_robot_driver_ros.h>
#include "../../src/coppelia/sas_robot_driver_coppelia.h" #include "coppelia/sas_robot_driver_coppelia.h"
/********************************************* /*********************************************
* SIGNAL HANDLER * SIGNAL HANDLER
@@ -54,7 +52,6 @@ void sig_int_handler(int)
} }
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
if(signal(SIGINT, sig_int_handler) == SIG_ERR) if(signal(SIGINT, sig_int_handler) == SIG_ERR)
@@ -64,37 +61,39 @@ int main(int argc, char **argv)
ros::init(argc, argv, "sas_robot_driver_coppelia_node", ros::init_options::NoSigintHandler); ros::init(argc, argv, "sas_robot_driver_coppelia_node", ros::init_options::NoSigintHandler);
ROS_WARN("====================================================================="); ROS_WARN("=====================================================================");
ROS_WARN("--------------------- Quentin Lin -----------------------------------"); ROS_WARN("----------------------Juan Jose Quiroz Omana------------------------");
ROS_WARN("====================================================================="); ROS_WARN("=====================================================================");
ROS_INFO_STREAM(ros::this_node::getName()+"::Loading parameters from parameter server."); ROS_INFO_STREAM(ros::this_node::getName()+"::Loading parameters from parameter server.");
ros::NodeHandle nh; ros::NodeHandle nh;
sas::RobotDriverCoppeliaConfiguration robot_driver_coppelia_configuration; sas::RobotDriverCoppeliaConfiguration robot_driver_coppelia_configuration;
sas::get_ros_param(nh,"/thread_sampling_time_nsec",robot_driver_coppelia_configuration.thread_sampling_time_nsec);
sas::get_ros_param(nh,"/vrep_ip",robot_driver_coppelia_configuration.vrep_ip); sas::get_ros_param(nh,"/robot_ip_address",robot_driver_coppelia_configuration.ip);
sas::get_ros_param(nh,"/vrep_port",robot_driver_coppelia_configuration.vrep_port);
sas::get_ros_param(nh,"/vrep_joint_names", robot_driver_coppelia_configuration.vrep_joint_names);
sas::get_ros_param(nh,"/vrep_dynamically_enabled", robot_driver_coppelia_configuration.vrep_dynamically_enabled);
sas::get_ros_param(nh,"/robot_mode", robot_driver_coppelia_configuration.robot_mode); sas::get_ros_param(nh,"/robot_mode", robot_driver_coppelia_configuration.robot_mode);
sas::get_ros_param(nh,"/using_real_robot", robot_driver_coppelia_configuration.using_real_robot); sas::get_ros_param(nh,"/vrep_port", robot_driver_coppelia_configuration.port);
sas::get_ros_param(nh,"/robot_topic_prefix", robot_driver_coppelia_configuration.robot_topic_prefix); sas::get_ros_param(nh,"/vrep_robot_joint_names", robot_driver_coppelia_configuration.jointnames);
sas::get_ros_param(nh,"/robot_parameter_file_path", robot_driver_coppelia_configuration.robot_parameter_file_path); sas::get_ros_param(nh,"/mirror_mode", robot_driver_coppelia_configuration.mirror_mode);
sas::get_ros_param(nh, "/real_robot_topic_prefix", robot_driver_coppelia_configuration.real_robot_topic_prefix);
sas::RobotDriverROSConfiguration robot_driver_ros_configuration;
// std::vector<double> q_min_vec, q_max_vec; sas::get_ros_param(nh,"/thread_sampling_time_nsec",robot_driver_ros_configuration.thread_sampling_time_nsec);
// sas::get_ros_param(nh,"/q_min", q_min_vec); sas::get_ros_param(nh,"/q_min",robot_driver_ros_configuration.q_min);
// robot_driver_coppelia_configuration.q_min = sas::std_vector_double_to_vectorxd(q_min_vec); sas::get_ros_param(nh,"/q_max",robot_driver_ros_configuration.q_max);
// sas::get_ros_param(nh,"/q_max", q_max_vec);
// robot_driver_coppelia_configuration.q_max = sas::std_vector_double_to_vectorxd(q_max_vec);
robot_driver_ros_configuration.robot_driver_provider_prefix = ros::this_node::getName();
try try
{ {
ROS_INFO_STREAM(ros::this_node::getName()+"::Instantiating Coppelia robot."); ROS_INFO_STREAM(ros::this_node::getName()+"::Instantiating Coppelia robot.");
sas::RobotDriverCoppelia robot_driver_coppelia(nh, robot_driver_coppelia_configuration, sas::RobotDriverCoppelia robot_driver_coppelia(robot_driver_coppelia_configuration,
&kill_this_process); &kill_this_process);
ROS_INFO_STREAM(ros::this_node::getName()+"::Instantiating RobotDriverROS.");
return robot_driver_coppelia.start_control_loop(); sas::RobotDriverROS robot_driver_ros(nh,
&robot_driver_coppelia,
robot_driver_ros_configuration,
&kill_this_process);
robot_driver_ros.control_loop();
} }
catch (const std::exception& e) catch (const std::exception& e)
{ {

View File

@@ -1,4 +0,0 @@
"""
"""
from _qros_robot_dynamic import RobotDynamicsInterface, RobotDynamicsProvider
from .franka_gripper_interface import FrankaGripperInterface

View File

@@ -1,182 +0,0 @@
import rospy
from sas_robot_driver_franka.srv import Move, MoveRequest, MoveResponse, Grasp, GraspRequest, GraspResponse
from sas_robot_driver_franka.msg import GripperState
import os
import threading
from queue import Queue
import struct
MOVE_TOPIC_SUFFIX = "move"
GRASP_TOPIC_SUFFIX = "grasp"
STATUS_TOPIC_SUFFIX = "gripper_status"
class FrankaGripperInterface:
"""
Non blocking interface to control the Franka gripper
"""
def __init__(self, robot_prefix):
self.robot_prefix = robot_prefix
self.move_service = rospy.ServiceProxy(os.path.join(robot_prefix, MOVE_TOPIC_SUFFIX), Move)
self._moving = False
self.grasp_service = rospy.ServiceProxy(os.path.join(robot_prefix, GRASP_TOPIC_SUFFIX), Grasp)
self._grasping = False
self.status_subscriber = rospy.Subscriber(os.path.join(robot_prefix, STATUS_TOPIC_SUFFIX), GripperState,
self._status_callback)
self.result_queue = Queue()
# gripper state
self.state_width = None
self.state_max_width = None
self.state_temperature = None
self.state_is_grasped = None
def _is_service_ready(self, service):
try:
rospy.wait_for_service(service, timeout=0.1)
return True
except rospy.ROSException:
return False
def is_enabled(self):
if self.state_width is None:
return False
if not self._is_service_ready(self.move_service.resolved_name):
return False
if not self._is_service_ready(self.grasp_service.resolved_name):
return False
return True
def _status_callback(self, msg: GripperState):
self.state_width = msg.width
self.state_max_width = msg.max_width
self.state_temperature = msg.temperature
self.state_is_grasped = msg.is_grasped
def move(self, width, speed=0):
"""
Move the gripper to a specific width
:param width: width in meters
:param speed: speed in meters per second
:return: None
"""
if self.is_busy():
raise Exception("Gripper is already moving or grasping, please wait until the previous action is finished")
threading.Thread(target=self._move, args=(width, speed)).start()
def grasp(self, width, force=0, speed=0, epsilon_inner=0, epsilon_outer=0):
"""
Grasp an object with the gripper
:param width:
:param force:
:param speed:
:param epsilon_inner:
:param epsilon_outer:
:return:
"""
if self.is_busy():
raise Exception("Gripper is already moving or grasping, please wait until the previous action is finished")
threading.Thread(target=self._grasp, args=(width, force, speed, epsilon_inner, epsilon_outer)).start()
def get_max_width(self):
""" Get the maximum width of the gripper """
if not self.is_enabled():
raise Exception("Gripper is not enabled")
return self.state_max_width
def get_width(self):
""" Get the current width of the gripper """
if not self.is_enabled():
raise Exception("Gripper is not enabled")
return self.state_width
def get_temperature(self):
""" Get the temperature of the gripper """
if not self.is_enabled():
raise Exception("Gripper is not enabled")
return self.state_temperature
def is_grasped(self):
""" Check if an object is grasped """
if not self.is_enabled():
raise Exception("Gripper is not enabled")
return self.state_is_grasped
def is_moving(self):
""" Check if the gripper is currently moving """
return self._moving
def is_grasping(self):
""" Check if the gripper is currently grasping """
return self._grasping
def is_busy(self):
""" Check if the gripper is currently moving or grasping """
return self._moving or self._grasping
def is_done(self):
""" Check if the gripper is done moving or grasping """
if not self.is_busy():
rospy.logwarn("Gripper is not moving or grasping")
return False
else:
if self.result_queue.empty():
return False
else:
return True
def get_result(self):
"""
Get the result of the last action
:return:
"""
if not self.result_queue.empty():
response = self.result_queue.get()
self._moving = False
self._grasping = False
return response.success
else:
raise Exception("No result available")
def wait_until_done(self):
"""
Wait until the gripper is done moving or grasping
:return: success
"""
if not self.is_enabled():
raise Exception("Gripper is not enabled")
if not self._moving and not self._grasping:
raise Exception("Gripper is not moving or grasping")
while self._moving or self._grasping:
rospy.sleep(0.1)
if not self.result_queue.empty():
response = self.result_queue.get()
if isinstance(response, MoveResponse):
self._moving = False
elif isinstance(response, GraspResponse):
self._grasping = False
else:
raise Exception("Invalid response type")
break
return response.success
def _move(self, width, speed):
self._moving = True
request = MoveRequest()
request.width = width
request.speed = speed
response = self.move_service(request)
self.result_queue.put(response)
def _grasp(self, width, force, speed, epsilon_inner, epsilon_outer):
self._grasping = True
request = GraspRequest()
request.width = width
request.force = force
request.speed = speed
request.epsilon_inner = epsilon_inner
request.epsilon_outer = epsilon_outer
response = self.grasp_service(request)
self.result_queue.put(response)

View File

@@ -36,7 +36,7 @@
#include <sas_common/sas_common.h> #include <sas_common/sas_common.h>
#include <sas_conversions/eigen3_std_conversions.h> #include <sas_conversions/eigen3_std_conversions.h>
#include <sas_robot_driver/sas_robot_driver_ros.h> #include <sas_robot_driver/sas_robot_driver_ros.h>
#include "../../src/hand/qros_effector_driver_franka_hand.h" #include "sas_robot_driver_franka_hand.h"
/********************************************* /*********************************************
@@ -49,22 +49,6 @@ void sig_int_handler(int)
kill_this_process = true; kill_this_process = true;
} }
template<typename T>
void get_optional_parameter(const std::string &node_prefix, ros::NodeHandle &nh, const std::string &param_name, T &param)
{
if(nh.hasParam(node_prefix + param_name))
{
sas::get_ros_param(nh,param_name,param);
}else
{
ROS_INFO_STREAM(ros::this_node::getName() + "::Parameter " + param_name + " not found. Using default value. " + std::to_string(param));
}
}
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
if(signal(SIGINT, sig_int_handler) == SIG_ERR) if(signal(SIGINT, sig_int_handler) == SIG_ERR)
@@ -76,24 +60,32 @@ int main(int argc, char **argv)
ROS_WARN("---------------------------Quentin Lin-------------------------------"); ROS_WARN("---------------------------Quentin Lin-------------------------------");
ROS_WARN("====================================================================="); ROS_WARN("=====================================================================");
ROS_INFO_STREAM(ros::this_node::getName()+"::Loading parameters from parameter server."); ROS_INFO_STREAM(ros::this_node::getName()+"::Loading parameters from parameter server.");
const std::string& effector_driver_provider_prefix = ros::this_node::getName();
ros::NodeHandle nh; ros::NodeHandle nh;
qros::EffectorDriverFrankaHandConfiguration robot_driver_franka_hand_configuration; sas::RobotDriverFrankaHandConfiguration robot_driver_franka_hand_configuration;
sas::get_ros_param(nh,"/robot_ip_address",robot_driver_franka_hand_configuration.robot_ip); sas::get_ros_param(nh,"/robot_ip_address",robot_driver_franka_hand_configuration.robot_ip);
get_optional_parameter(effector_driver_provider_prefix,nh,"/thread_sampling_time_nsec",robot_driver_franka_hand_configuration.thread_sampeling_time_ns);
get_optional_parameter(effector_driver_provider_prefix,nh,"/default_force",robot_driver_franka_hand_configuration.default_force);
get_optional_parameter(effector_driver_provider_prefix,nh,"/default_speed",robot_driver_franka_hand_configuration.default_speed);
get_optional_parameter(effector_driver_provider_prefix,nh,"/default_epsilon_inner",robot_driver_franka_hand_configuration.default_epsilon_inner);
get_optional_parameter(effector_driver_provider_prefix,nh,"/default_epsilon_outer",robot_driver_franka_hand_configuration.default_epsilon_outer);
qros::EffectorDriverFrankaHand franka_hand_driver( sas::RobotDriverROSConfiguration robot_driver_ros_configuration;
effector_driver_provider_prefix,
sas::get_ros_param(nh,"/thread_sampling_time_nsec",robot_driver_ros_configuration.thread_sampling_time_nsec);
bool q_lim_override = false;
if(nh.hasParam("q_min") || nh.hasParam("q_max"))
{
sas::get_ros_param(nh,"/q_min",robot_driver_ros_configuration.q_min);
sas::get_ros_param(nh,"/q_max",robot_driver_ros_configuration.q_max);
q_lim_override = true;
}else
{
}
robot_driver_ros_configuration.robot_driver_provider_prefix = ros::this_node::getName();
sas::RobotDriverFrankaHand franka_hand_driver(
robot_driver_franka_hand_configuration, robot_driver_franka_hand_configuration,
nh, robot_driver_ros_configuration,
&kill_this_process &kill_this_process
); );
try try

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@@ -35,12 +35,12 @@
#include <exception> #include <exception>
#include <dqrobotics/utils/DQ_Math.h> #include <dqrobotics/utils/DQ_Math.h>
#include <dqrobotics/interfaces/json11/DQ_JsonReader.h> //#include <dqrobotics/interfaces/json11/DQ_JsonReader.h>
#include <sas_common/sas_common.h> #include <sas_common/sas_common.h>
#include <sas_conversions/eigen3_std_conversions.h> #include <sas_conversions/eigen3_std_conversions.h>
#include <sas_robot_driver/sas_robot_driver_ros.h> #include <sas_robot_driver/sas_robot_driver_ros.h>
#include <sas_robot_driver_franka/sas_robot_driver_franka.h> #include "sas_robot_driver_franka.h"
#include <sas_robot_driver_franka/robot_dynamic/qros_robot_dynamics_provider.h> #include "sas_robot_dynamic_provider.h"
/********************************************* /*********************************************
@@ -121,23 +121,6 @@ int main(int argc, char **argv)
ROS_INFO_STREAM(ros::this_node::getName()+"::Upper force threshold not set. Using default with value scalling."); ROS_INFO_STREAM(ros::this_node::getName()+"::Upper force threshold not set. Using default with value scalling.");
franka_interface_configuration.upper_force_threshold = apply_scale_to_std_array(franka_interface_configuration.upper_force_threshold, upper_scale_factor); franka_interface_configuration.upper_force_threshold = apply_scale_to_std_array(franka_interface_configuration.upper_force_threshold, upper_scale_factor);
} }
if(nh.hasParam(ros::this_node::getName()+"/robot_parameter_file_path"))
{
std::string robot_parameter_file_path;
sas::get_ros_param(nh,"/robot_parameter_file_path",robot_parameter_file_path);
ROS_INFO_STREAM(ros::this_node::getName()+"::Loading robot parameters from file: " + robot_parameter_file_path);
const auto robot = DQ_JsonReader::get_from_json<DQ_SerialManipulatorDH>(robot_parameter_file_path);
robot_driver_franka_configuration.robot_reference_frame = robot.get_reference_frame();
}else{ROS_INFO_STREAM(ros::this_node::getName()+"::Robot parameter file path not set. Robot Model Unknow.");}
if(nh.hasParam(ros::this_node::getName()+"/automatic_error_recovery")) {
sas::get_ros_param(nh,"/automatic_error_recovery",robot_driver_franka_configuration.automatic_error_recovery);
if(robot_driver_franka_configuration.automatic_error_recovery)
{
ROS_WARN_STREAM(ros::this_node::getName()+"::Automatic error recovery enabled. STATUS EXPERIMENTAL");
}
}
robot_driver_franka_configuration.interface_configuration = franka_interface_configuration; robot_driver_franka_configuration.interface_configuration = franka_interface_configuration;
@@ -150,11 +133,8 @@ int main(int argc, char **argv)
// initialize the robot dynamic provider // initialize the robot dynamic provider
robot_driver_ros_configuration.robot_driver_provider_prefix = ros::this_node::getName(); robot_driver_ros_configuration.robot_driver_provider_prefix = ros::this_node::getName();
qros::RobotDynamicProvider robot_dynamic_provider(nh, robot_driver_ros_configuration.robot_driver_provider_prefix); sas::RobotDynamicProvider robot_dynamic_provider(nh, robot_driver_ros_configuration.robot_driver_provider_prefix);
if(robot_driver_franka_configuration.robot_reference_frame!=0)
{
robot_dynamic_provider.set_world_to_base_tf(robot_driver_franka_configuration.robot_reference_frame);
}
try try
{ {

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@@ -1,7 +0,0 @@
float32 width
float32 speed
float32 force
float32 epsilon_inner
float32 epsilon_outer
---
bool success

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@@ -1,4 +0,0 @@
float32 width
float32 speed
---
bool success