一种主动抗扰干扰控制方法,用于低模型依赖的高速磁铁列车
Yang Yang1, Huang Cuicui1, Dai Chunhui1
1College of Intelligence Science and Technology, National University of Defense Technology, Changsha, 410073, China.
ISA transactions
|May 16, 2025
概括
这项研究引入了一种用于高速磁铁列车的新型控制方法,通过结合适应和干扰排斥技术来提高稳定性. 这种新方法提高了在外部干扰下电磁悬浮系统的性能.
科学领域:
- 控制系统工程 控制系统工程
- 运输工程 运输工程
- 机械电子学是什么意思 机械电子学
背景情况:
- 高速磁悬浮列车的速度增加加剧了外部干扰,降低了电磁悬浮 (EML) 系统的稳定性和动态性能.
- 增强的干扰排斥对于高铁EML系统的安全和稳定运行至关重要.
研究的目的:
- 为EML系统提出一种新的,弱依赖模型的活性干扰排斥控制方法.
- 提高高速磁悬浮列车的干扰拒绝能力和整体控制性能.
主要方法:
- 一种混合控制策略,结合了模型参考适应控制 (MRAC) 和主动干扰拒绝控制 (ADRC).
- 使用线性扩展状态观测器 (LESO) 基于名义模型参数进行干扰估计和补偿.
- 为了构建MRAC定律,将一个跟踪分辨器 (TD) 纳入系统状态提取.
- 采用利亚普诺夫稳定理论,根据拟议的控制法严格证明系统稳定性.
主要成果:
- 拟议的MRAC-ADRC方法与PID,SMC和独立的ADRC相比,显示出更好的干扰排斥.
- 控制性能仍然稳健,对模型参数和平衡点的变化不敏感.
- 模拟和物理实验验证拟议的控制策略的有效性.
结论:
- 开发的积极抵抗干扰控制方法有效地提高了EML系统的稳定性和动态性能.
- 混合MRAC-ADRC方法为提高高速磁铁高速公路运输的安全性和可靠性提供了一个有希望的解决方案.
- 较弱的模型依赖性和强大的干扰排斥是这种新型控制策略的关键优势.
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