在匹配干扰下,用于滚滚系统的有限时间速度无传感器集成滑动模式控制
Van Trong Dang1, Xuan Bo Nguyen2, Thi Dieu Trinh Tran3
1Hanoi University of Science and Technology, 1st Dai Co Viet Str, Hanoi, 100000, Viet Nam.
ISA transactions
|June 6, 2025
概括
这项研究引入了用于滚动制造 (R2R) 的新型有限时间控制系统,尽管系统存在不确定性,但提高了速度和张力的跟踪性能. 先进的观察员确保了可靠的估计和稳定性.
科学领域:
- 控制系统工程 控制系统工程
- 制造过程优化 制造过程优化
- 非线性动力学是一种非线性动力学.
背景情况:
- 卷对卷 (R2R) 系统因模型不确定性和外部干扰而面临生产力和质量问题.
- 在工业R2R处理中实现一致的高性能是一个重大挑战.
- 由于产出质量和生产率下降,经济损失很大.
研究的目的:
- 提出一种新的控制策略,以提高工业卷对卷 (R2R) 系统的性能.
- 解决R2R制造中模型不确定性和外部干扰所带来的挑战.
- 为了确保对关键系统参数 (如运输速度和材料表面张力) 始终保持高的跟踪性能.
主要方法:
- 集成一个有限时间积分终端滑动模式控制器与有限时间延长状态观察器.
- 开发一个三组件观察器,用于双重估计拆卷机,引导机和回卷机卷的速度状态和干扰/不确定性.
- 应用利亚普诺夫稳定理论来证明观测误差的最终统一边界性和整体控制框架的稳定性.
主要成果:
- 拟议的控制器在运输速度和材料表面张力方面表现出高的跟踪性能.
- 观测错误被证明是最终统一的边界,确保可靠的状态和干扰估计.
- 综合控制框架,结合了观察员和控制器,使用利亚普诺夫理论验证了稳定性.
结论:
- 有限时间积分终端滑动模式控制与有限时间延长状态观察器为工业R2R系统提供了强大的解决方案.
- 提出的方法有效地减轻了模型不确定性和外部干扰的影响,提高了系统性能.
- 对比分析证实了拟议的控制策略在现有的非线性控制器上具有更高的效率.
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