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Iterative learning control design for Smith predictor

โœ Scribed by Qiuping Hu; Jian-Xin Xu; Tong Heng Lee

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
126 KB
Volume
44
Category
Article
ISSN
0167-6911

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โœฆ Synopsis

The Smith predictor has been used to improve the closed-loop performance for systems with time delays. This paper proposes a frequency-domain method to design an iterative learning control to further improve the performance of Smith predictor controller. For a time-invariant plant with multiplicative perturbations and a Smith predictor controller, we derive a su cient and necessary condition (which has the same form as that of a general robust performance design problem) for the iterative process to converge for all admissible plant uncertainties. In addition, the iterative learning controller under plant uncertainty is designed. An illustrative example demonstrating the main result is presented.

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