Title: Applying Output Feedback Integral Sliding Mode Controller to Uncertain Time-Delay Systems with Mismatched Disturbances
Authors: Ting, Huan-Chan
Chang, Jeang-Lin
Chen, Yon-Ping
Institute of Electrical and Control Engineering
Keywords: Full-order compensator;mismatched disturbance;output feedback;sliding mode
Issue Date: 1-Dec-2011
Abstract: For time-delay systems with mismatched disturbances and uncertainties, this paper develops an integral sliding mode control algorithm using output information only to stabilize the systems. An integral sliding surface is comprised of output signals and an auxiliary full-order compensator. The proposed output feedback sliding mode controller can satisfy the reaching and sliding condition and maintain the system on the sliding surface from the initial moment. When two specific algebraic Riccati inequalities have solutions, our method can guarantee the stability of the closed-loop system and satisfy the property of robust disturbance attenuation. Moreover, the design parameters of controller and compensator can be simultaneously determined by solutions to the algebraic Riccati inequalities. Finally, two numerical examples illustrate the applicability of the proposed scheme.
URI: http://dx.doi.org/10.1007/s12555-011-0605-5
ISSN: 1598-6446
DOI: 10.1007/s12555-011-0605-5
Volume: 9
Issue: 6
Begin Page: 1056
End Page: 1066
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