Robust control of uncertain time-delay systems via sliding mode control and LMI-H∞ technique

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Abstract

This paper presents a proportional-integral sliding mode control (PISMC) methodology for a class of linear uncertain systems with state delays. The systems are assumed to have structured, mismatched, and time-varying parameter uncertainties as well as mismatched and bounded external disturbances. Based on Lyapunov stability theorem and linear matrix inequality (LMI) H ∞ technique, a sufficient condition is derived to guarantee the global stability of the dynamics and a prescribed H∞ norm bound of disturbance attenuation for all admissible uncertainties. Furthermore, this scheme assures robustness against state delays, parameter uncertainties and disturbances. Finally, an example is given to illustrate the feasibility of the proposed control methodology.

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APA

Pai, M. C. (2008). Robust control of uncertain time-delay systems via sliding mode control and LMI-H∞ technique. Journal of Marine Science and Technology, 16(1), 1–7. https://doi.org/10.51400/2709-6998.1991

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