Dynamic surface control for discrete-time strict-feedback systems with network-induced time-varying delays and packets loss. Issue 8 (3rd August 2021)

• Record Type: Journal Article
• Authors: Wu, Ranran; Fan, Ding; Iu, Herbert H. C.; Fernando, Tyrone
• Is Part Of: International journal of control. Volume 94:Issue 8(2021)
• Page Start: 2094
• Page End: 2103
• Publication Date: 2021-08-03
• Subjects: Dynamic surface control -- network-induced delay -- packet loss -- strict-feedback system -- linear matrix inequality; Automatic control -- Periodicals; Electronic journals; 629.8
• DOI: 10.1080/00207179.2019.1694174
• Languages: English
• ISSNs: 0020-7179

Abstract

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.