Journal
AUTOMATICA
Volume 50, Issue 8, Pages 2090-2097Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.automatica.2014.05.031
Keywords
Nonlinear Hamiltonian descriptor systems; Finite-time stabilization; Finite-time H-infinity control; Affine nonlinear descriptor systems
Funding
- National Nature Science Foundation of China [61374002, 61374065, 61034007]
- Research Grants Council, University Grants Committee, Hong Kong, China [CityU113311]
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This paper studies the finite-time stabilization and finite-time H-infinity control problems of a class of nonlinear Hamiltonian descriptor systems with applications to affine nonlinear descriptor systems. Via an appropriate state feedback, an equivalent nonlinear dissipative Hamiltonian differential-algebraic system is first obtained. With the obtained dissipative form, a finite-time stabilization control design procedure is then presented, based on which a finite-time H-infinity controller is designed for the system with external disturbances. Finally, the obtained results for Hamiltonian descriptor systems are applied to affine nonlinear descriptor systems. Simulation results on nonlinear circuit system show the effectiveness of the controllers proposed in this paper. (C) 2014 Elsevier Ltd. All rights reserved.
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