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基于A*改进算法的机械臂避障路径规划

Keywords: 机械臂,碰撞检测,A*算法,变步长分段搜索法,OpenGL

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Abstract:

为解决机械臂在运行时可能与工作空间中的障碍物发生碰撞,提出圆柱体包络碰撞检测法和基于A*算法的变步长分段搜索法.运用圆柱体包络碰撞检测法,将碰撞检测问题转化为计算圆柱体间的位置关系.变步长分段搜索法解决了应用传统A*算法可能出现的搜索数据量大甚至搜索死循环等问题.分别在基于OpenGL的三维仿真实验平台和实际系统中验证了该方法的有效性和可行性.

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