Prescribed-Time Stabilization of Nonlinear Systems with Uncertain Input Gain and Non-Vanishing Disturbances

A partial-state-feedback prescribed-time stabilizing controller is designed for a class of nonlinear systems with uncertain input gain, nonlinear uncertainties throughout the system dynamics involving both parametric and functional uncertainties, and time-varying non-vanishing disturbances generated...

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Bibliographic Details
Published in2020 European Control Conference (ECC) pp. 1859 - 1864
Main Authors Krishnamurthy, P., Khorrami, F.
Format Conference Proceeding
LanguageEnglish
Published EUCA 01.05.2020
Subjects
Control design
Nonlinear dynamical systems
Symmetric matrices
System dynamics
Time-varying systems
Uncertainty
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Summary:A partial-state-feedback prescribed-time stabilizing controller is designed for a class of nonlinear systems with uncertain input gain, nonlinear uncertainties throughout the system dynamics involving both parametric and functional uncertainties, and time-varying non-vanishing disturbances generated by an appended dynamics. A dynamic adaptive controller is designed using a temporally transformed system representation in combination with a dynamic high-gain scaling based design procedure, and guarantees convergence of system state to the origin in the finite prescribed time.
DOI:10.23919/ECC51009.2020.9143788