Robust tracking composite nonlinear feedback controller design for time-delay uncertain systems in the presence of input saturation

被引：27
|
作者：
Ghaffari, Valiollah [1 ]
Mobayen, Saleh [2 ,3 ]
Din, Sami ud [4 ]
Rojsiraphisal, Thaned [5 ,6 ]
Vu, Mai The [7 ]
机构：
[1] Persian Gulf Univ, Dept Elect Engn, Bushehr, Iran
[2] Univ Zanjan, Dept Elect Engn, Zanjan, Iran
[3] Natl Yunlin Univ Sci & Technol, Future Technol Res Ctr, 123 Univ Rd,Sect 3, Touliu 64002, Yunlin, Taiwan
[4] Namal Univ Mianwali, Dept Elect Engn, Mianwali 42250, Pakistan
[5] Chiang Mai Univ, Fac Sci, Adv Res Ctr Computat Simulat, Dept Math, Chiang Mai 50200, Thailand
[6] Chiang Mai Univ, Fac Sci, Data Sci Res Ctr, Dept Math, Chiang Mai 50200, Thailand
[7] Sejong Univ, Sch Intelligent Mechatron Engn, Seoul 05006, South Korea
来源：
ISA TRANSACTIONS | 2022年 / 129卷
关键词：
Robust control; Composite nonlinear feedback; Input saturation; Linear matrix inequality; Time -delay system; SLIDING MODE CONTROLLER; SINGULAR SYSTEMS;
D O I：
10.1016/j.isatra.2022.02.029
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this study, a robust control technique is investigated for the reference tracking of uncertain time -delayed systems in the existence of the actuator saturation. Due to emerging of some control complexities, as well as the input limitations, time-varying delay, uncertainty, and external disturbance, such a tracking goal would be realized through suitable design of the composite nonlinear feedback (CNF) controller. Thus, considering the mentioned limitations, a Lyapunov-based procedure is used to determine the control law. Then, the parameters of the CNF input are derived by using the solution of a linear matrix inequality (LMI) problem. The planned tracking idea is numerically implemented in two uncertain control systems. Some performance characteristics (i.e., the tracking error, boundedness, and transient responses) are compared with similar ones. Accordingly, the simulations illustrate the efficiency of the suggested control procedure over the existing CNF approaches.(c) 2022 ISA. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：88 / 99
页数：12
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