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- Title
Finite-time stabilization of port-controlled Hamiltonian systems with nonvanishing disturbances.
- Authors
Baozeng Fu; Shihua Li; Lei Guo; Jun Yang; Qixun Lan
- Abstract
This paper concerns the problem of finite-time stabilization of nonlinear port-controlled Hamiltonian systems subject to nonvanishing disturbances via a composite control manner. The composite controller is developed by combining the damping injection, the finite-time feedback control and the finite-time disturbance observer techniques. The key idea is that a finite-time disturbance observer is designed to estimate disturbances and the estimation of disturbances is employed to feedforward compensate the disturbances. Finite-time stability analysis for the augmented system is presented. An example of a nonlinear circuit system with simulation results demonstrates the effectiveness of the proposed method.
- Subjects
HAMILTONIAN systems; NONLINEAR electric circuits; ADAPTIVE control systems; ELECTRIC controllers; NONLINEAR systems
- Publication
Transactions of the Institute of Measurement & Control, 2018, Vol 40, Issue 10, p2973
- ISSN
0142-3312
- Publication type
Article
- DOI
10.1177/0142331217712381