update myarm ros and add moveit avoidance script

This commit is contained in:
wangWking 2023-07-25 14:22:54 +08:00
parent 26f52fab20
commit 1128f97706
5 changed files with 20 additions and 161 deletions

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@ -8,7 +8,7 @@ Passable parameters:
port: serial prot string. Defaults is '/dev/ttyUSB0'
baud: serial prot baudrate. Defaults is 115200.
"""
import math
import rospy
from sensor_msgs.msg import JointState
@ -23,9 +23,11 @@ def callback(data):
print(data.position)
data_list = []
for index, value in enumerate(data.position):
data_list.append(value)
radians_to_angles = math.degrees(value)
data_list.append(radians_to_angles)
mc.send_radians(data_list, 80)
# mc.send_radians(data_list, 80)
mc.send_angles(data_list, 80)
# time.sleep(0.5)

View file

@ -236,9 +236,9 @@ Visualization Manager:
Invert Z Axis: false
Name: Current View
Near Clip Distance: 0.009999999776482582
Pitch: 0.5
Pitch: 0.4847961962223053
Target Frame: base
Yaw: -0.6232355833053589
Yaw: 5.471311569213867
Saved: ~
Window Geometry:
Displays:

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@ -1,4 +1,5 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import sys
import rospy
@ -22,14 +23,7 @@ class MoveItPlanningDemo:
# 创建MoveGroupCommander对象
self.arm_group = moveit_commander.MoveGroupCommander("arm_group")
# 切换规划器为ompl
# self.arm_group.set_planner_id("ompl")
# planner_params = {"clearance": 0.1} # 设置障碍物清除参数为0.1米(可以根据实际情况调整值)
# arm_group.set_planner_params("ompl", planner_params)
# 设置 OMPL 规划器的名称
# self.arm_group.set_planner_id("RRTConnectkConfigDefault")
# 获取末端关节的名称
self.end_effector_link = self.arm_group.get_end_effector_link()
@ -85,7 +79,7 @@ class MoveItPlanningDemo:
# 控制机械臂回到初始化位置
self.arm_group.set_named_target('init_pose')
self.arm_group.go()
rospy.sleep(5)
rospy.sleep(3)
# 设置机械臂运动的目标点,使用笛卡尔空间坐标位置表示(单位:米),姿态使用四元数表示
@ -100,10 +94,6 @@ class MoveItPlanningDemo:
target_pose.pose.orientation.z = 0.0
target_pose.pose.orientation.w = 0.014
# 移除所有障碍物
# scene.remove_world_object("cylinder1")
# scene.remove_world_object("cylinder2")
# 更新当前的位姿
self.arm_group.set_start_state_to_current_state()
@ -120,7 +110,7 @@ class MoveItPlanningDemo:
# print('plan point:', plan[1])
# 执行运动
self.arm_group.execute(plan[1])
rospy.sleep(5)
rospy.sleep(3)
# 获取末端执行器的姿态
end_effector_pose = self.arm_group.get_current_pose().pose
@ -146,8 +136,8 @@ class MoveItPlanningDemo:
def run(self):
# 移除所有障碍物
self.scene.remove_world_object("cylinder1")
self.scene.remove_world_object("cylinder2")
# self.scene.remove_world_object("cylinder1")
# self.scene.remove_world_object("cylinder2")
# 没有障碍物运行一次
# self.robot_move()

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@ -1,136 +0,0 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import rospy, roslib, sys
import moveit_commander
from moveit_msgs.msg import RobotTrajectory
from trajectory_msgs.msg import JointTrajectoryPoint
from geometry_msgs.msg import PoseStamped, Pose
from tf.transformations import euler_from_quaternion, quaternion_from_euler
class MoveItPlanningDemo:
def __init__(self):
# API to initialize move_group,初始化move_group的API
moveit_commander.roscpp_initialize(sys.argv)
# Initialize the ROS node,初始化ROS节点
rospy.init_node("moveit_ik_demo")
# Initialize the scene object to monitor changes in the external environment
# 初始化场景对象,用来监听外部环境的变化
self.scene = moveit_commander.PlanningSceneInterface()
rospy.sleep(1)
# Initialize self.arm group in the robotic arm that needs to be controlled by move group
# 初始化需要使用move group控制的机械臂中的self.arm group
self.arm = moveit_commander.MoveGroupCommander("arm_group")
# Get the name of the terminal link,获取终端link的名称
self.end_effector_link = self.arm.get_end_effector_link()
# Set the reference coordinate system used for the target position
# 设置目标位置所使用的参考坐标系
self.reference_frame = "base"
self.arm.set_pose_reference_frame(self.reference_frame)
# Allow replanning when motion planning fails,当运动规划失败后,允许重新规划
self.arm.allow_replanning(True)
# Set the allowable error of position (unit: meter) and attitude (unit: radian)
# 设置位置(单位:米)和姿态(单位:弧度)的允许误差
self.arm.set_goal_position_tolerance(0.01)
self.arm.set_goal_orientation_tolerance(0.05)
def moving(self):
# # Control the robotic arm to return to the initialization position first
# 控制机械臂先回到初始化位置
self.arm.set_named_target("init_pose")
self.arm.go()
rospy.sleep(2)
# Set the target pose in the robotic arm workspace, the position is described by x, y, z coordinates,
# 设置机械臂工作空间中的目标位姿位置使用x、y、z坐标描述
# Pose is described by quaternion, based on base_link coordinate system
# 姿态使用四元数描述基于base_link坐标系
target_pose = PoseStamped()
target_pose.header.frame_id = self.reference_frame
target_pose.header.stamp = rospy.Time.now()
target_pose.pose.position.x = 0.132
target_pose.pose.position.y = -0.150
target_pose.pose.position.z = 0.075
target_pose.pose.orientation.x = 0.026
target_pose.pose.orientation.y = 1.0
target_pose.pose.orientation.z = 0.0
target_pose.pose.orientation.w = 0.014
# Set the current state of the robot arm as the initial state of motion
# 设置机器臂当前的状态作为运动初始状态
self.arm.set_start_state_to_current_state()
# Set the target pose of the terminal motion of the robotic arm
# 设置机械臂终端运动的目标位姿
self.arm.set_pose_target(target_pose, self.end_effector_link)
# Plan the movement path,规划运动路径
traj = self.arm.plan()
print('traj:', traj)
# Control the motion of the robotic arm according to the planned motion path
# 按照规划的运动路径控制机械臂运动
self.arm.execute(traj)
rospy.sleep(1)
# Control the terminal of the robotic arm to move 5cm to the right. Parameter 1 represents y, 0,1,2,3,4,5 represents xyzrpy
# 控制机械臂终端向右移动5cm 參數1是代表y 0,1,2,3,4,5 代表xyzrpy
self.arm.shift_pose_target(1, 0.12, self.end_effector_link)
self.arm.go()
rospy.sleep(1)
self.arm.shift_pose_target(1, 0.1, self.end_effector_link)
self.arm.go()
rospy.sleep(1)
# Control the terminal of the robotic arm to rotate 90 degrees in the opposite direction. 0,1,2,3,4,5 represent xyzrpy
# 控制机械臂终端反向旋转90度 0,1,2,3,4,5 代表xyzrpy
# self.arm.shift_pose_target(3, -1.57, end_effector_link)
# self.arm.go()
# rospy.sleep(1)
def run(self):
self.scene.remove_world_object("suit")
# Run once without obstacles,没有障碍物运行一次
self.moving()
# Add environment,添加环境
quat = quaternion_from_euler(3.1415, 0, -1.57)
suit_post = PoseStamped()
suit_post.header.frame_id = self.reference_frame
suit_post.pose.position.x = 0.0
suit_post.pose.position.y = 0.0
suit_post.pose.position.z = -0.02
suit_post.pose.orientation.x = quat[0]
suit_post.pose.orientation.y = quat[1]
suit_post.pose.orientation.z = quat[2]
suit_post.pose.orientation.w = quat[3]
suit_path = (
roslib.packages.get_pkg_dir("mycobot_description")
+ "/urdf/mycobot/suit_env.dae"
)
# need `pyassimp==3.3`
self.scene.add_mesh("suit", suit_post, suit_path)
rospy.sleep(2)
# Run it again if there is an environmental impact,有环境影响后再运行一次
self.moving()
# close and exit moveit关闭并退出moveit
moveit_commander.roscpp_shutdown()
moveit_commander.os._exit(0)
if __name__ == "__main__":
o = MoveItPlanningDemo()
o.run()

View file

@ -1,4 +1,5 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""[summary]
This file obtains the joint angle of the manipulator in ROS,
@ -8,7 +9,7 @@ Passable parameters:
port: serial prot string. Defaults is '/dev/ttyUSB0'
baud: serial prot baudrate. Defaults is 115200.
"""
import math
import rospy
from sensor_msgs.msg import JointState
@ -23,9 +24,11 @@ def callback(data):
print(data.position)
data_list = []
for index, value in enumerate(data.position):
data_list.append(value)
radians_to_angles = math.degrees(value)
data_list.append(radians_to_angles)
mc.send_radians(data_list, 80)
# mc.send_radians(data_list, 80)
mc.send_angles(data_list, 80)
# time.sleep(0.5)
@ -38,7 +41,7 @@ def listener():
baud = rospy.get_param("~baud", 115200)
print(port, baud)
mc = MyArm(port, baud)
# spin() simply keeps python from exiting until this node is stopped
# spin()只是阻止python退出直到该节点停止
print("spin ...")