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基于外部扭矩估计的双边远程操作系统的P+减压控制
Baorui Jing1, Jing Na1, Hao Duan1
1Faculty of Mechanical & Electrical Engineering, Kunming University of Science & Technology, Kunming, 650500, China; Yunnan Key Laboratory of Intelligent Control and Application, Kunming University of Science & Technology, Kunming, 650500, China.
ISA transactions
|February 13, 2025
概括
本研究引入了双边远程操作系统的新控制方法,尽管时间延迟,但提高了运动同步和透明度. 它还推出了一种创新的扭矩估计器,可以降低硬件成本和传感器需求.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 控制系统工程 控制系统工程
- 机械电子学是什么意思 机械电子学
背景情况:
- 双边远程操作系统容易出现时间延迟,从而降低性能.
- 精确的扭矩传感对于远程操作至关重要,但增加了硬件复杂性和成本.
- 现有的控制方法在时间延迟的情况下努力保持同步和透明度.
研究的目的:
- 为双边远程操作系统制定强有力的控制策略,以减轻时间延迟的影响.
- 引入一种新的,具有成本效益的扭矩估计器,可以避免直接测量扭矩.
- 为了增强运动同步,位置/速度跟踪和接触任务期间的透明度.
主要方法:
- 实施了P + Damping控制策略与重力补偿相结合.
- 开发了一个基于未知系统动力学估计器 (USDE) 的扭矩估计器,以估计没有加速度测量的外部扭矩.
- 基于USDE的估计器与P + Damping控制器集成.
主要成果:
- 拟议的控制方法有效地解决了双边远程操作中的时间延迟问题.
- 基于USDE的扭矩估计器准确地以最小的调整估计外部扭矩.
- 模拟和实验验证了系统的提高透明度,同步性和稳定性.
结论:
- 集成的P + Damping控制和基于USDE的扭矩估计为双边远程操作提供了强大的解决方案.
- 这种方法提高了系统性能,降低了硬件成本,并简化了传感器要求.
- 这种方法对于涉及接触和时间延迟的远程操作任务是有效的.
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