Volume 6, Issue 4, August 2018, Page: 38-46
Non-Fragile Control for Variable Sampling Period Network Control System with Actuator Failure
Xin Tang, College of Computer Science and Technology, Shandong University of Technology, Zibo, China
Nan Xie, College of Computer Science and Technology, Shandong University of Technology, Zibo, China
Bin Xia, College of Computer Science and Technology, Shandong University of Technology, Zibo, China
Nana Wang, College of Computer Science and Technology, Shandong University of Technology, Zibo, China
Received: Oct. 8, 2018;       Accepted: Nov. 19, 2018;       Published: Dec. 18, 2018
DOI: 10.11648/j.acis.20180604.11      View  119      Downloads  23
Abstract
The guaranteed cost control problem is studied in this paper for a class of nonlinear discrete-time systems with both time-varying parametric uncertainty and actuator failures. At present, the researches on related fields of networked control systems are relatively mature, and many achievements have been made. But at the same time, most of the researches are focused on linear networked control systems, and the research on nonlinear networked control systems is relatively less. The goal is to design a non-fragile state feedback control law so that the closed-loop system is asymptotically stable and the closed-loop cost function value is no more than a specified upper bound for all admissible uncertainties. Firstly, the system model is established by using the method of variable sampling period. Secondly, the sufficient conditions for the asymptotic stability of the closed-loop system are given by using Lyapunov stability theory. Thirdly, based on the above researches, a non-fragile state feedback controller is designed by using linear matrix inequality (LMI). In the end, through the study of this paper, the cost function of the system under the designed non-fragile guaranteed cost controller does not exceed the given upper bound. This paper considers the actuator failure, and gives the design method of the non-fragile guaranteed cost controller of the nonlinear network control system, and makes a contribution to the field of network control system.
Keywords
Network Control System, Non-Fragile Control, Actuator Failure, Varying Sampling Period, Nonlinear
To cite this article
Xin Tang, Nan Xie, Bin Xia, Nana Wang, Non-Fragile Control for Variable Sampling Period Network Control System with Actuator Failure, Automation, Control and Intelligent Systems. Vol. 6, No. 4, 2018, pp. 38-46. doi: 10.11648/j.acis.20180604.11
Copyright
Copyright © 2018 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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