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				@@ -171,24 +171,24 @@ class MoveIt_Control: 
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				         return pose 
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				     #TODO move_p_path_constraints     
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				-    def create_path_constraints(self,start_point,end_point,r):#创建路径约束 
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				+    def create_path_constraints(self,start_point,end_point,r): 
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				         #计算起点指向终点的向量 
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				         vector = np.array([end_point[0]- start_point[0], end_point[1]- start_point[1], end_point[2]- start_point[2]]) 
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				-        height = np.linalg.norm(vector)+0.16  #高度延长16cm 
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				+        height = np.linalg.norm(vector)+0.16   
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				         radius = r 
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				         # 位置约束 
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				-        position_constraint = PositionConstraint()#创建点位约束 
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				-        position_constraint.header.frame_id = "base_link"#此约束所指的机器人链接 
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				+        position_constraint = PositionConstraint() 
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				+        position_constraint.header.frame_id = "base_link" 
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				         position_constraint.link_name = self.end_effector_link 
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				-        position_constraint.target_point_offset = Vector3(0, 0, 0)#目标点的偏移量 
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				-        position_constraint.weight = 1.0#质量 OR 加权因子? 
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				+        position_constraint.target_point_offset = Vector3(0, 0, 0) 
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				+        position_constraint.weight = 1.0 
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				         #构建 shape_msgs/SolidPrimitive 消息 
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				         bounding_volume = SolidPrimitive() 
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				         bounding_volume.type = SolidPrimitive.CYLINDER#圆柱 
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				         # bounding_volume.dimensions = [0.003,1] 
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				-        bounding_volume.dimensions = [height,radius]#尺寸  高度 半径 
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				+        bounding_volume.dimensions = [height,radius] 
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				         position_constraint.constraint_region.primitives.append(bounding_volume) 
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				         #构建 geometry_msgs/Pose 消息,用于指定圆柱体在空间中的位置和姿态 
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				@@ -207,7 +207,7 @@ class MoveIt_Control: 
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				         pose.orientation.w = q[3] 
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				         position_constraint.constraint_region.primitive_poses.append(pose) 
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				-        constraints = Constraints()#创建一个新的约束信息  
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				+        constraints = Constraints() 
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				         constraints.position_constraints.append(position_constraint) 
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				         return constraints 
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				@@ -216,7 +216,7 @@ class MoveIt_Control: 
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				     def move_p_flexible(self,point,points,trajectory,trajectory_with_type,a=1,v=1): 
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				         self.arm.set_max_acceleration_scaling_factor(a) 
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				         self.arm.set_max_velocity_scaling_factor(v) 
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				-        rrr=0.09#初始允许半径 9cm 
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				+        rrr=0.09    #初始允许半径 9cm 
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				         er=0 
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				         if trajectory: 
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				             #起点位置设置为规划组最后一个点 
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