网络多LSRM系统的反控制策略具有半马尔科夫拓切换和时间延迟
Li Qiu1, Runjie Chen1, Jie Teng1
1Department of Mechatronics and Control Engineering, Shenzhen University, Shenzhen, China.
ISA transactions
|October 14, 2023
概括
本研究涉及具有半马尔科夫拓切换和网络延迟的网络控制系统 (NCS). 它开发了一种新的控制策略,确保这些复杂系统的平均平方稳定性.
科学领域:
- 控制系统工程 控制系统工程
- 网络化系统 网络化系统
- 随机系统 随机系统 随机系统
背景情况:
- 网络控制系统 (NCS) 面临着拓切换和不可预测的网络延迟等挑战.
- 测量和控制道的时间延迟对系统稳定性产生重大影响.
- 半马尔科夫过程为模拟复杂模式转换和停留时间提供了一个框架.
研究的目的:
- 调查NCS的稳定性与半马尔科夫拓切换和时间变化的延迟.
- 在这些条件下设计一个状态反控制器,以保证平均平方稳定性.
- 通过实验验证来验证拟议的控制策略.
主要方法:
- 使用半马尔科夫过程来建模拓切换和停留时间.
- 开发一个新的Lyapunov函数来推导平均平方稳定性条件.
- 采用不等式的变化技术与莱普诺夫稳定理论相结合,用于控制器设计.
- 为闭环系统实施状态反控制.
主要成果:
- 为联网多个LSRM系统的平均平方稳定性推导条件.
- 设计了一个状态反控制器,确保σ-error平均平方稳定性.
- 实验结果证实了拟议的控制策略的有效性和合理性.
结论:
- 开发的基于Lyapunov的方法有效地解决了NCS的稳定性,具有半马尔科夫切换和网络延迟.
- 拟议的状态反控制器确保了强大的稳定性性能.
- 这些发现为设计可靠的NCS在实际应用中提供了有价值的框架.
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