In this article, Laplace-type integral transformation is introduced to construct the recursive algorithm of the repetitive controller to regulate time-varying periodic signal. A theoretical analysis of Laplace-type integral transformation operator is adopted for time-varying repetitive controller design, where the stability and performance of the proposed repetitive control system are addressed. The implementation of the repetitive control strategy is investigated by a simulated example of the cycle ergometer. Results are given to illustrate that the proposed method is effectively used to analysis repetitive control system for the time-varying periodic signal regulation.
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