Dynamic surface control for discrete-time strict-feedback systems with network-induced time-varying delays and packets loss

Ranran Wu, Ding Fan, Herbert H.C. Iu, Tyrone Fernando

Research output: Contribution to journalArticle

Abstract

In this paper, a dynamic surface control (DSC) strategy for discrete-time strict-feedback multiple-input-multiple-output systems is proposed. State variables are estimated by Luenberger observer using latest outputs received in controller. The control signals, bearing the same time-stamps as the target system, are constructed based on DSC methodologies. The control mechanism also considers the network-induced time-varying delays, packet drops and disorder; these parameters are systematically stacked into the network and transmitted into an actuator where the control function is performed. In order to establish all the design parameters, a simplified methodology of utilising linear matrix inequality and homotopy algorithm is proposed. The simulation results prove that the proposed method is effective.

Original languageEnglish
JournalInternational Journal of Control
DOIs
Publication statusE-pub ahead of print - 26 Nov 2019

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