add moveit obstacle_test.py

myArm/myarm_moveit/config/ompl_planning.yaml

@@ -165,7 +165,7 @@ planner_configs:
     use_strict_queue_ordering: 0  # sort edges in the queue at the end of the batch (0) or after each rewiring (1). Default: 0
     find_approximate_solutions: 0  # track approximate solutions (1) or not (0). Default: 0
 arm_group:
-  default_planner_config: RRT
+  default_planner_config: RRTConnect
   planner_configs:
     - AnytimePathShortening
     - SBL

myArm/myarm_moveit/scripts/obstacle_test.py

@@ -0,0 +1,173 @@
+#!/usr/bin/env python3
+
+import sys
+import rospy
+import moveit_commander
+import moveit_msgs.msg
+import geometry_msgs.msg
+import tf
+
+
+class MoveItPlanningDemo:
+    def __init__(self):
+        rospy.init_node('moveit_avoid_obstacles', anonymous=True)
+        # 初始化MoveIt
+        moveit_commander.roscpp_initialize(sys.argv)
+
+        # 创建RobotCommander对象
+        self.robot = moveit_commander.RobotCommander()
+
+        # 创建PlanningSceneInterface对象
+        self.scene = moveit_commander.PlanningSceneInterface()
+
+        # 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()
+
+        # 设置目标位置所使用的坐标参考系
+        self.reference_frame = 'base'
+        self.arm_group.set_pose_reference_frame(self.reference_frame)
+
+        # 设置位置(单位：米)和姿态（单位：弧度）的允许误差
+        self.arm_group.set_goal_position_tolerance(0.01)
+        self.arm_group.set_goal_orientation_tolerance(0.05)
+
+        # 当运动规划失败后，允许重新规划
+        self.arm_group.allow_replanning(True)
+        # 设置规划的最大时间为20秒
+        self.arm_group.set_planning_time(20)
+        # 设置规划尝试次数为10次（或者更大的值）
+        self.arm_group.set_num_planning_attempts(20)  
+
+
+    def add_scene(self):
+        # 添加第一个圆柱作为障碍物（垂直于平面）
+        cylinder1_pose = geometry_msgs.msg.PoseStamped()
+        cylinder1_pose.header.frame_id = self.robot.get_planning_frame()
+        cylinder1_pose.pose.position.x = 0.15
+        cylinder1_pose.pose.position.y = 0
+        cylinder1_pose.pose.position.z = 0.30
+        cylinder1_pose.pose.orientation.w = 1.0
+        self.scene.add_cylinder("cylinder1", cylinder1_pose, height=0.6, radius=0.01)
+
+        # 添加第二个圆柱作为障碍物（水平于平面，构成十字架）
+        cylinder2_pose = geometry_msgs.msg.PoseStamped()
+        cylinder2_pose.header.frame_id = self.robot.get_planning_frame()
+        cylinder2_pose.pose.position.x = 0.15
+        cylinder2_pose.pose.position.y = 0
+        cylinder2_pose.pose.position.z = 0.40
+        cylinder2_pose.pose.orientation.w = 1.0
+        cylinder2_pose.pose.orientation.x = 0.707  # 围绕x轴旋转90度（水平方向）
+        cylinder2_pose.pose.orientation.y = 0.0
+        cylinder2_pose.pose.orientation.z = 0.0
+        cylinder2_pose.pose.orientation.w = 0.707
+        self.scene.add_cylinder("cylinder2", cylinder2_pose, height=0.6, radius=0.02)
+        # 发布当前场景信息
+        planning_scene = moveit_msgs.msg.PlanningScene()
+        planning_scene.world.collision_objects.extend(self.scene.get_objects().values())
+        planning_scene.is_diff = True
+
+        planning_scene_publisher = rospy.Publisher('/planning_scene', moveit_msgs.msg.PlanningScene, queue_size=1)
+        planning_scene_publisher.publish(planning_scene)
+        rospy.sleep(2)
+
+    def robot_move(self):
+
+        # 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)
+
+
+        # 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
+        target_pose = geometry_msgs.msg.PoseStamped()
+        target_pose.header.frame_id = self.reference_frame
+        target_pose.header.stamp = rospy.Time.now()
+        target_pose.pose.position.x = 0.142  # 设置目标点的x坐标
+        target_pose.pose.position.y = -0.140  # 设置目标点的y坐标
+        target_pose.pose.position.z = 0.075  # 设置目标点的z坐标
+        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
+
+        # 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()
+
+        # 获取机械臂当前的关节状态
+        current_joint_values = self.arm_group.get_current_joint_values()
+
+        # 打印当前关节状态
+        print("Current Joint Values:", current_joint_values)
+        print("end Joint Values:", self.end_effector_link)
+        # 设置机械臂的目标姿态
+        self.arm_group.set_pose_target(target_pose, self.end_effector_link)
+        # 进行运动规划
+        plan = self.arm_group.plan()
+        # print('plan point:', plan[1])
+        # 执行运动
+        self.arm_group.execute(plan[1])
+        rospy.sleep(5)
+        # 获取末端执行器的姿态
+        end_effector_pose = self.arm_group.get_current_pose().pose
+
+        # 打印末端执行器的坐标位置
+        print("End Effector Position:", end_effector_pose.position)
+        print("End Effector Orientation:", end_effector_pose.orientation)
+        # 控制机械臂末端向右移动5cm 參數1是代表y， 0,1,2,3,4,5 代表xyzrpy
+        # self.arm_group.shift_pose_target(1, 0.22, self.end_effector_link)
+        # self.arm_group.go()
+        # rospy.sleep(5)
+
+        # 设置机械臂的目标位置，使用7轴的位置数据进行描述（单位：弧度）
+        # joint_pose = [0.2967, 0, 0, -1.57000, 0, -1.3439, 0]
+        # joint_pose = [0.2967, 0, 0, 0, 0, -1.3439, 0]
+        # arm_group.set_joint_value_target(joint_pose)
+
+        # 控制机械臂完成运动
+        # arm_group.go()
+        # rospy.sleep(10)
+        # 控制机械臂回到初始化位置
+        # arm_group.set_named_target('init_pose')
+        # arm_group.go()
+
+    def run(self):
+        # 移除所有障碍物
+        self.scene.remove_world_object("cylinder1")
+        self.scene.remove_world_object("cylinder2")
+        # 没有障碍物运行一次
+        # self.robot_move()
+
+        # 增加障碍物
+        self.add_scene()
+        rospy.sleep(3)
+        # 获取当前场景中的所有障碍物
+        current_obstacles = self.scene.get_known_object_names()
+        rospy.loginfo("Current obstacles in the scene: %s", current_obstacles)
+        rospy.sleep(2)
+        # 有障碍物后再运行一次
+        self.robot_move()
+        # 关闭MoveIt
+        moveit_commander.roscpp_shutdown()
+        moveit_commander.os._exit(0)
+
+
+if __name__ == '__main__':
+    try:
+        obstacle = MoveItPlanningDemo()
+        obstacle.run()
+    except rospy.ROSInterruptException:
+        pass