A novel continuous fractional sliding mode control

A.J. Muñoz-Vázquez, V. Parra-Vega and A. Sánchez-Orta

International Journal of Systems Science, 2017, vol. 48, issue 13, 2901-2908

Abstract: A new fractional-order controller is proposed, whose novelty is twofold: (i) it withstands a class of continuous but not necessarily differentiable disturbances as well as uncertainties and unmodelled dynamics, and (ii) based on a principle of dynamic memory resetting of the differintegral operator, it is enforced an invariant sliding mode in finite time. Both (i) and (ii) account for exponential convergence of tracking errors, where such principle is instrumental to demonstrate the closed-loop stability, robustness and a sustained sliding motion, as well as that high frequencies are filtered out from the control signal. The proposed methodology is illustrated with a representative simulation study.

Date: 2017
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Citations: View citations in EconPapers (5)

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DOI: 10.1080/00207721.2017.1348564

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