稳定的高斯过程跟踪控制对抗性变硬度执行器的控制.
Zhigang Zou1,2, Wei Li3, Chenguang Yang4
1College of Mechatronics Engineering, Guangdong Polytechnic Normal University, Guangzhou, 510665, China.
Scientific reports
|June 5, 2025
概括
本研究介绍了一种新的高斯过程回归控制器,用于可变刚度执行器 (VSA). 该方法增强了对具有未知动态的agonistic-antagonistic (AA) VSA 的跟踪精度和概括性.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 控制系统 控制系统
- 机器学习 机器学习
背景情况:
- 由于非线性动力学,可变刚度执行器 (VSA) 存在重大控制挑战.
- 传统的控制方法往往会损害VSA合规性或缺乏泛化能力.
研究的目的:
- 使用高斯过程 (GP) 回归,开发一种稳定的跟踪控制器,用于对抗性-对抗性 (AA) VSA.
- 为了解决未知的动态,并提高跟踪精度和概括性.
主要方法:
- 用高斯过程 (GP) 回归来学习AA-VSAs的反向动态.
- 设计了一个结合前和低增益反的稳定跟踪控制器.
- 使用GP的预测方差来增强模型忠实度.
主要成果:
- 控制器显示了统一的最终边界追踪错误.
- 追踪错误被证明在给定的概率下呈指数趋同到一个小球.
- 在qbmove Advanced AA-VSA上的实验验证证了优越的跟踪准确性和概括性.
结论:
- 拟议的基于GP的控制器有效地管理AA-VSA中未知的动态.
- 这种方法保留了VSA固有的合规性,同时实现了高性能.
- 该方法为先进的机器人控制应用提供了一个有前途的解决方案.
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