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结构设计,动力学和工作空间分析的新杆电缆混合电缆驱动并行机器人
1Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong SAR, China.
Biomimetics (Basel, Switzerland)
|January 24, 2025
概括
这项研究引入了一种新型的杆电缆机器人,模仿骨和肌肉,以提高平面运动控制的稳定性和精度. 这种创新设计通过减少振动和下垂来提高精度.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 机械工程 机械工程
- 生物力学 生物力学
背景情况:
- 电缆驱动的平行机器人 (CDPR) 提供了较大的工作空间,但通常会受到电缆松和振动的影响,从而限制精度.
- 生物系统,就像肌肉骨系统一样,通过集成的刚性和灵活的组件,表现出了显著的稳定性和精确的运动控制.
研究的目的:
- 介绍一款由生物结构启发的新型杆电缆混合平面电缆驱动平行机器人 (CDPR).
- 通过整合刚性杆和柔性电缆,提高CDPR的结构稳定性和运动控制精度.
- 分析拟议的混合机器人的动力特性和工作空间.
主要方法:
- 开发一种新的机器人架构,整合了刚性棒 (骨头) 和柔性电缆 (肌肉).
- 制定详细的运动模型,包括用于精确运动控制的雅可比式分析.
- 使用几何和蒙特卡洛模拟方法评估机器人的工作空间.
主要成果:
- 混合式设计有效地减轻了电缆的松和振动,从而提高了结构稳定性.
- 拟议的机器人实现了三度自由度的平行运动,证明了更高的精度.
- 运动模型和工作空间分析为有效的运动控制和应用设计提供了基础.
结论:
- 杆电缆混合方法为提高平面CDPR的性能提供了一个有希望的解决方案.
- 仿生技术为设计更稳定,更准确的机器人系统提供了宝贵的见解.
- 这种新的机器人设计在需要高精度平面运动控制的领域具有潜在的应用.
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