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Received:January 12, 2004 |
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Control design for the nonlinear benchmark problem via the output regulation method |
Jie HUANG, Guoqiang HU |
(Department of Automation and Computer-Aided Engineering, Chinese University of Hong Kong, Hong Kong, China) |
Abstract: |
The problem of designing a feedback controller to achieve asymptotic disturbance rejection / attenuation while maintaining good transient response in the RTAC system is known as a benchmark nonlinear control problem, which has been an intensive research subject since 1995. In this paper, we will further investigate the solvability of the robust disturbance rejection problem of the RTAC system by the measurement output feedback control based on the robust output regulation method. We have obtained a design by overcoming two major obstacles; find a closed-form solution of the regulator equations; and devise a nonlinear internal model to account for non-polynomial nonlinearities. |
Key words: RTAC system Robust control Nonlinear control Output reguktion problem Disturbance rejection |