Feedback stabilisation of time-delay nonlinear systems with continuous time-varying output function

Zong-Yao Sun, Di Zhang, Qinghua Meng and Chih-Chiang Chen

International Journal of Systems Science, 2019, vol. 50, issue 2, 244-255

Abstract: This paper investigates the problem of global output feedback stabilisation for a class of uncertain nonlinear systems, where output function is time-varying and continuous, and multiple time delays exist in system state at the same time. A double-domination method is used to capture time-varying measurement error and delayed states. The control strategy is presented based on the choice of Lyapunov–Krasovskii functionals and the construction of a novel state observer without using the information on the output function and nonlinearities. A simulation example is given to show the efficiency of the proposed control scheme.

Date: 2019
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DOI: 10.1080/00207721.2018.1543472

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