Chattering-Free Sliding Mode Control for Networked Control System with Time Delay and Packet Dropout Based on a New Compensation Strategy

Yu Zhang, Shousheng Xie, Ledi Zhang, Litong Ren, Bin Zhou and Hao Wang

Complexity, 2019, vol. 2019, 1-12

Abstract:

This paper addresses the sliding mode control problem for a class of networked control systems with long time delay and consecutive packet dropout. A new modeling method is proposed, through which time delay and packet dropout are modeled in a unified model described by one Markov chain. To avoid the chattering problem of classic reaching law, a new chattering-free reaching law is proposed. Then with a focus on the problem that controller-actuator channel network condition cannot be foreseen by the controller, a new compensation strategy is proposed, which can effectively compensate for the effect of time delay and packet dropout in controller-actuator channel. Finally, a simulation example is presented to demonstrate the effectiveness of the proposed approach.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:1016381

DOI: 10.1155/2019/1016381

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