Adaptive robust approximate constraint-following control for mechanical systems |
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| Authors: | Ye-Hwa Chen Xinrong Zhang |
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| Institution: | a The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405, USA
b Department of Mechanical and Electronic Engineering, Chang’an University, Xian, PR China |
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| Abstract: | We formulate control problems of mechanical systems as constraint following. The system contains uncertainty which is (possibly fast) time-varying. It is unknown but bounded. The bound is, however, unknown. The objective is to design control which renders approximate constraint following. Adaptive laws are constructed. The controls are then based on the adaptive parameters. We are able to demonstrate guaranteed system performance, regardless of the uncertainty. |
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| Keywords: | Mechanical system Constraint Motion control Robust control Adaptive control |
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