开关非线性时间延迟系统的事件触发控制与异步开关
IEEE transactions on cybernetics
|September 27, 2023
概括
本研究介绍了非线性时间延迟系统的新型事件触发开关控制,解决异步开关挑战. 新方法确保了系统的稳定性,并避免了Zeno现象,以提高控制性能.
科学领域:
- 控制工程 控制工程 控制工程
- 系统理论 系统理论
- 非线性动力学是一种非线性动力学.
背景情况:
- 调查事件触发的开关控制 (ETSC) 开关非线性时间延迟系统 (SNTDSs) 与异步开关.
- 突出了现有的ETSC方法的局限性,这些方法忽视了事件触发的瞬间的系统行为以及子系统和控制器之间的潜在异步切换.
- 鉴定事件触发机制设计和稳定性分析中的挑战,原因是突然的模式跳转和异步行为.
研究的目的:
- 为SNTDSs制定一个强大的ETSC战略,考虑异步切换.
- 设计一种新的事件触发机制,在系统交换机和触发器之间建立清晰的关系,同时防止Zeno现象.
- 在异步切换条件下,推导出输入到状态稳定性 (ISS) 和整体ISS (iISS) 的标准.
主要方法:
- 引入了一个新的基于Lyapunov的事件触发机制,具有可调节的参数.
- 采用合并开关技术来分析异步开关行为.
- 推导出用于SNTDSs的ISS和iISS标准.
主要成果:
- 一个新的事件触发机制旨在有效地管理系统交换机和事件触发器,成功排除Zeno现象.
- 拟议的方法可以分析SNTDS中的异步切换行为.
- 导出了具有异步切换的SNTDS的ISS和iISS的新标准.
结论:
- 开发的基于Lyapunov的事件触发机制和衍生的稳定性标准为控制异步切换的SNTDS提供了强大的解决方案.
- 拟议方法的有效性通过两个数值示例得到验证,其中包括一个动反应堆系统.
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