对工业机器人武器采样和DRL运动规划方法的比较基准
Ignacio Fidalgo Astorquia1, Guillermo Villate-Castillo2, Alberto Tellaeche1
1Department of Computing, Electronics and Communication Technologies, University of Deusto, Avenida de las Universidades 24, 48007 Bilbao, Spain.
Sensors (Basel, Switzerland)
|September 13, 2025
概括
工业机器人的新型深度强化学习 (DRL) 运动计划器在速度和成功率上明显优于传统的采样方法. 这一进步为实时机器人控制提供了潜力.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 人工智能的人工智能
- 运动规划 运动规划
背景情况:
- 工业机器人手臂需要高效可靠的运动规划.
- 基于采样的经典规划者 (例如,OMPL) 在复杂的环境中面临挑战.
- 基于学习的方法,特别是深度强化学习 (DRL),有望改善运动规划.
研究的目的:
- 将OMPL计划器的性能与用于工业机器人手臂运动规划的DRL计划器进行比较.
- 评估规划时间,成功率和轨迹平稳度.
- 调查DRL在实时,高通量应用中的潜力.
主要方法:
- 使用了一个UR3e机器人,配有RG2抓柄.
- 使用OMPL和MoveIt.It生成了超过10万个无碰撞轨迹.
- 一名DRL代理人通过课程学习和专家演示 (软演员-批评) 接受了培训.
- 使用TOPPRA进行时间最佳参数化确保了动态可行性.
主要成果:
- 与OMPL相比,DRL规划器实现了更高的成功率和显著减少的规划时间.
- 由DRL生成的轨迹更加紧和决定性.
- 经典规划者表现出更好的零射击适应性和环境普遍性.
结论:
- 基于DRL的运动规划为工业机器人臂提供了显著的优势,特别是在实时应用中.
- 结合DRL和经典规划器的混合架构可以利用两者的优势.
- 这项研究为规划范式的权衡提供了实用的见解.
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