事件触发的自适应有限时间控制,用于具有全球规定的性能和非对称跟踪的机器人操纵系统
IEEE transactions on cybernetics
|March 3, 2025
概括
本研究介绍了机器人操纵器的动态事件触发自适应控制,确保有限时间跟踪和有限信号. 这种新的方法提高了性能,并节省了通信资源.
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
- 应用数学 应用数学 应用数学
背景情况:
- 机器人操纵者 (RM) 经常面临干扰和跟踪控制方面的挑战.
- 现有的控制方法可能会与初始条件限制和奇点问题作斗争.
- 在网络控制系统中,有效利用通信资源至关重要.
研究的目的:
- 为解决机器人操纵器的动态事件触发的自适应有限时间跟踪控制.
- 设计一个控制方案,消除初始条件限制,避免奇点.
- 开发一种节省通信资源的机制.
主要方法:
- 一个新的基于扩展函数的全球规定的性能函数 (PPF).
- 有限时间命令过器 (FTCF) 防止虚拟控制器差异化和奇点.
- 错误补偿机制,以解决FTCF的过错误.
- 具有动态辅助变量的动态事件触发机制 (DETM).
主要成果:
- 拟议的控制方案保证在有限的时间内为RM提供全球限定的信号.
- 追踪错误异常地汇聚到零.
- 动态事件触发机制有效地节省了通信资源.
- 模拟证实了拟议的控制方案的有效性和有效性.
结论:
- 开发的控制策略有效地管理了在干扰下对机器人操纵器的跟踪控制.
- 集成PPF,FTCF和DETM提供了一个强大而高效的解决方案.
- 这种方法可以提高系统性能,同时优化通信.
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