使用非线性补偿器和状态观察器的轨迹跟踪控制用于光热驱动的液晶弹性体执行器
IEEE transactions on cybernetics
|July 22, 2025
概括
本研究引入了一种用于光热液晶弹性体 (LCE) 执行器的新型控制方法,解决歇斯底里和复杂变形. 该方法确保了高级LCE应用程序的精确轨迹跟踪.
科学领域:
- 材料科学 材料科学 材料科学
- 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
背景情况:
- 光热驱动液晶弹性体 (LCE) 执行器表现出歇斯底里和复杂的变形,挑战精确的轨迹跟踪.
- 现有的控制方法很难克服LCE执行器固有的非线性和动态复杂性.
研究的目的:
- 为光热驱动的LCE执行器开发一种有效的轨迹跟踪控制方法.
- 为了应对LCE执行器中歇斯底里和复杂的变形机制所带来的挑战.
主要方法:
- 一个涉及温度和位移控制的多步控制策略.
- 一个非利普希茨连续状态反控制器的设计,用于有限时间温度趋同.
- 实施一个国家观察员来估计LCE移位率.
- 使用非线性反向补偿器来减轻hysteresis的非线性.
- 对轨迹跟踪控制器设计的杆位放置的应用.
主要成果:
- 成功地实现了温度控制的有限时间趋同.
- 精确估计 LCE 位移率.
- 对hysteresis非线性进行补偿,简化了控制问题.
- 通过各种目标路径实现了LCE执行器的精确轨迹跟踪.
结论:
- 拟议的控制方法有效地管理LCE执行器歇斯底里和复杂动态.
- 这种方法可以对光热驱动的LCE执行器进行强大而准确的轨迹跟踪.
- 经过验证的方法为使用LCE的先进机器人和执行系统提供了有前途的解决方案.
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