东北大学学报(自然科学版) ›› 2024, Vol. 45 ›› Issue (2): 153-159.DOI: 10.12068/j.issn.1005-3026.2024.02.001

• 信息与控制 •    

非线性广义时滞Markov跳变系统的H滑模控制

杨冬梅, 杜玲秀, 祝春霞   

  1. 东北大学 理学院,辽宁 沈阳 110819
  • 收稿日期:2022-10-25 出版日期:2024-02-15 发布日期:2024-05-14
  • 作者简介:杨冬梅(1966-),女,辽宁沈阳人,东北大学教授.

H Sliding Mode Control for Nonlinear Generalized Time-delay Markov Jump Systems

Dong-mei YANG, Ling-xiu DU, Chun-xia ZHU   

  1. School of Sciences,Northeastern University,Shenyang 110819,China. Corresponding author: DU Ling-xiu,E-mail: 1664452212@qq. com
  • Received:2022-10-25 Online:2024-02-15 Published:2024-05-14

摘要:

研究了一类转移速率部分未知的广义时滞Markov跳变系统的H滑模控制问题.首先,对广义时滞Markov跳变系统设计了积分型滑模面,并求出对应的等效控制器.之后,构建Lyapunov泛函,通过线性矩阵不等式方法得到闭环系统随机容许且满足H性能γ的充分条件,运用加减项方法以及引入自由权矩阵,使得到的结果降低了保守性;对滑模力学分析,设计了滑模控制器,使得系统能在有限时间内到达滑模面上.最后,通过数值算例与仿真验证了理论的可行性.

关键词: Markov跳变系统, 时滞系统, 滑模控制, 广义系统, 线性矩阵不等式

Abstract:

The sliding mode control problem for a class of generalized time-delay Markov jump systems with partially unknown transition rates is studied. Firstly, an integral sliding mode surface is designed for the generalized time-delay Markov jump system, and the corresponding equivalent controller is obtained. Then, a Lyapunov functional is constructed, and the sufficient conditions for the stochastic admissibly and satisfying H criteria γ performance of the closed-loop system are obtained using linear matrix inequality method. The addition and subtraction term method and the free weight matrix are used to reduce the conservatism of the obtained results. Based on the analysis of sliding mode dynamics, a sliding mode controller is designed so that the system can reach the sliding mode surface in finite time. Finally, the feasibility of the theory is verified by numerical examples and simulations.

Key words: Markov jump system, time delay system, sliding mode control, generalized system, linear matrix inequality

中图分类号: