Robust observer-based sliding mode H∞ control for stochastic Markovian jump systems subject to packet losses

被引:43
|
作者
Zhang, Panpan [1 ]
Kao, Yonggui [1 ]
Hu, Jun [2 ]
Niu, Ben [3 ]
机构
[1] Harbin Inst Technol Weihai, Dept Math, Weihai 264209, Peoples R China
[2] Harbin Univ Sci & Technol, Dept Math, Harbin 150080, Peoples R China
[3] Shan Dong Normal Univ, Sch Informat & Engn, Jinan 250358, Peoples R China
基金
中国国家自然科学基金;
关键词
Sliding mode observer; H-infinity performance index; Markovian jumping parameters; Packet losses; Imprecise occurrence probability; DISCRETE-TIME-SYSTEMS; VARYING DELAYS; DESIGN; SYNCHRONIZATION; NETWORKS;
D O I
10.1016/j.automatica.2021.109665
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper studies the robust observer-based sliding mode Hoo control issue for discrete-time stochastic Markovian jumping systems (MJSs) subject to packet losses (PLs). Here, a state variable observer of an initial system is designed to estimate the state and a series of Bernoulli random variables is utilized to model the PLs, whose occurrence probability is allowed to be imprecise. Then, a linear switching function is constructed based on the estimated state space. The aim of our paper is to design an observer-based sliding mode H-infinity control strategy such that, the stochastic stability conditions with prescribed H-infinity performance are established for augmented MJSs under the PLs with imprecise occurrence probability, which is composed of the sliding mode dynamics and the error system. The linear sliding surface can be determined by solving some linear matrix inequalities (LMIs). In addition, by proposing an improved reaching condition, the desired robust observer-based H-infinity controller is designed in discrete-time setting to drive the system state from any initial one onto the designated sliding surface. Finally, the usefulness of observer-based H-infinity control method is demonstrated via some numerical simulations. (C) 2021 Elsevier Ltd. All rights reserved.
引用
收藏
页数:13
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