Robust H infinity sliding mode control for a class of uncertain switched delay systems
Date
2009
Authors
Lian, Jie
Zhao, Jun
Dimirovski, Georgi
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Publisher
Taylor & Francis Group
Abstract
This article considers the robust H sliding mode control problem for a class of uncertain switched delay systems. A single sliding surface is constructed such that the reduced-order equivalent sliding motion restricted to the sliding surface is completely invariant to all admissible uncertainties. For cases of known delay and unknown delay, the existence conditions of the sliding surface are proposed, respectively. The corresponding hysteresis switching laws are designed such that the sliding motion is stabilisable with H disturbance attenuation level . Furthermore, variable structure controllers are developed to drive the state of the switched system to reach the single sliding surface in finite time and remain on it thereafter. Finally, two numerical examples are given to illustrate the effectiveness of the proposed design methods.
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Keywords
Keywords: Design method; Disturbance attenuation levels; Existence conditions; Finite time; H control; Hysteresis switching; Hysteresis switching law; Numerical example; Reduced order; Robust H; Single sliding surface; Sliding modes; Sliding motions; Sliding surfac H control; Hysteresis switching law; Single sliding surface; Sliding mode control; Uncertain switched delay systems
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Source
International Journal of Systems Science
Type
Journal article
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2037-12-31
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