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IJIT
2004

Output Regulation of Perturbed Nonlinear Systems by Nested Sliding Mode Control

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Output Regulation of Perturbed Nonlinear Systems by Nested Sliding Mode Control
In this paper, we consider nested sliding mode control of SISO nonlinear systems, perturbed by bounded matched and unmatched uncertainties. The systems are assumed to be in strictfeedback form. A step wise procedure is introduced to obtain the controller. In each step, a continuous sliding mode controller is designed as virtual control law. Then the next step sliding surface is defined by using this virtual controller. These sliding surfaces are selected as nonlinear static functions of the system states. Finally in the last step, smooth static state feedback control law is determined such that the output reaches the desired set-point while the system is forced arbitrary close to the intersection of sliding surfaces and the states remain bounded. Keywords--. Sliding mode control, Strict-feedback form, Unmatched uncertainty, output regulation.
Aras Adhami Mirhoseini, Mohammad Javad Yazdanpanah
Added 31 Oct 2010
Updated 31 Oct 2010
Type Conference
Year 2004
Where IJIT
Authors Aras Adhami Mirhoseini, Mohammad Javad Yazdanpanah
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