期刊
INFORMATION SCIENCES
卷 612, 期 -, 页码 1111-1126出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2022.09.018
关键词
Cyber-physical system; Adaptive control; Cyber-attack; External disturbance; Terminal sliding mode control; Time-delay
This study proposes a novel adaptive non-singular Terminal Sliding Mode (TSM) control procedure for the speedy and finite time stabilization of nonlinear Cyber-Physical Systems (CPSs). The proposed method eliminates the reaching phase and improves the robustness of the entire system. The online adaptive laws effectively deal with unwanted disturbances, actuator cyber-attacks, and time-varying delays without the need to recognize their upper bounds.
This study presents a novel adaptive non-singular Terminal Sliding Mode (TSM) control procedure for the speedy and finite time stabilization of nonlinear Cyber-Physical Systems (CPSs). By employing the proposed non-linear sliding surface, the reaching phase is eliminated and the entire system's robust performance is ameliorated. The presented online adaptive laws deal with the unwanted disturbances, actuator cyber-attacks, and time-varying delays in such a way that there is no need to recognize their upper bounds. The designed novel adaptive non-singular TSM control strategy guarantees strong robust-ness of the non-linear CPSs exposed to unwanted disturbances, actuator cyber-attacks and time-varying delays. It also prepares a steady response, pliable and high-precision perfor-mance, smooth control, chattering-free operation, without transient oscillations and appropriate convergence in the finite time. Numerical simulation outcomes show the pro-posed adaptive non-singular TSM control technique's effectiveness and success compared to the outcomes of State-Feedback Control (SFC), conventional Sliding Mode Control (SMC) and integral-type SMC techniques. (c) 2022 Elsevier Inc. All rights reserved.
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