Dynamic Output Feedback Control for Nonlinear Uncertain Systems with Multiple Time-Varying Delays
Automation, Control and Intelligent Systems
Volume 6, Issue 1, February 2018, Pages: 8-19
Received: Dec. 26, 2017;
Accepted: Jan. 25, 2018;
Published: Apr. 2, 2018
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Wei Zheng, Institute of Electrical Engineering, Yanshan University, Qinhuangdao, China
Hongbin Wang, Institute of Electrical Engineering, Yanshan University, Qinhuangdao, China
Zhiming Zhang, China National Heavy Machinery Research Institute, Xi'an, China
Pengheng Yin, Institute of Electrical Engineering, Yanshan University, Qinhuangdao, China
This paper addresses the adaptive dynamic output-feedback control problem for a class of nonlinear discrete-time systems with multiple time-varying delays. First, the guaranteed cost function is introduced for the nonlinear system to reduce the effect of the time-varying delays. Secondly, in order to deal with the multiple time-varying delays, the nonlinear system is decomposed into two subsystems. Then the compensator is designed for the first subsystem, and the adaptive dynamic output-feedback controller is constructed based on the subsystems. By introducing the new discrete Lyapunov-Krasovskii functional, it can be seen that the solutions of the resultant closed-loop system converge to an adjustable bounded region. Finally, the simulations are performed to show the effectiveness of the proposed methods.
Dynamic Output Feedback Control for Nonlinear Uncertain Systems with Multiple Time-Varying Delays, Automation, Control and Intelligent Systems.
Vol. 6, No. 1,
2018, pp. 8-19.
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