A new fuzzy sliding mode controller design for delta operator time-delay nonlinear systems

Wenqiang Ji, Min Ma and Jianbin Qiu

International Journal of Systems Science, 2019, vol. 50, issue 8, 1580-1594

Abstract: This paper investigates the sliding mode control (SMC) problem for a class of delta operator uncertain time-delay nonlinear systems through Takagi–Sugeno fuzzy models. Some new sufficient conditions for asymptotic stability analysis of the sliding motion are obtained in terms of linear matrix inequalities with some convexification techniques. Then two new dynamic SMC design methods are synthesised to force the resulting closed-loop system states onto the sliding surface in finite time. Two simulation examples are finally given to illustrate the effectiveness of the proposed approaches.

Date: 2019
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DOI: 10.1080/00207721.2019.1617368

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