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具有随机数据包丢失的模糊马尔可夫跳跃系统的基于补偿的输出反馈控制

Compensation-Based Output Feedback Control for Fuzzy Markov Jump Systems With Random Packet Losses.

作者信息

Xue Min, Yan Huaicheng, Zhang Hao, Zhan Xisheng, Shi Kaibo

出版信息

IEEE Trans Cybern. 2022 Dec;52(12):12759-12770. doi: 10.1109/TCYB.2021.3088872. Epub 2022 Nov 18.

Abstract

This article is concerned with the problem of compensation-based output feedback control for Takagi-Sugeno fuzzy Markov jump systems subject to packet losses. The phenomenon of packet losses is assumed to randomly occur in the feedback channel, which is modeled by a Bernoulli process. Employing the single exponential smoothing method as a compensation scheme, the missing measurements are predicted to help offset the impact of packet losses on system performance. Then, an asynchronous output feedback controller is designed by the hidden Markov model. Based on the mode-dependent Lyapunov function, some novel sufficient conditions on the controller existence are derived such that the closed-loop system is stochastically stable with strict dissipativity. Besides, an algorithm for determining the optimal smoothing parameter is proposed. Finally, the validity and advantages of the design approach are manifested by some simulation results.

摘要

本文关注受数据包丢失影响的Takagi-Sugeno模糊马尔可夫跳跃系统基于补偿的输出反馈控制问题。假设数据包丢失现象在反馈通道中随机发生,采用伯努利过程对其进行建模。采用单指数平滑方法作为补偿方案,对丢失的测量值进行预测,以帮助抵消数据包丢失对系统性能的影响。然后,通过隐马尔可夫模型设计了一种异步输出反馈控制器。基于依赖模式的李雅普诺夫函数,推导了一些关于控制器存在的新颖充分条件,使得闭环系统随机稳定且具有严格耗散性。此外,还提出了一种确定最优平滑参数的算法。最后,通过一些仿真结果验证了设计方法的有效性和优势。

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