摘要：In real applications, there exist a class of systems in which the nonlinear uncertainties can be paramterized with some periodic parameters. For such nonlinear periodic plants, a new periodicity-based discrete-time adaptive control is proposed in this paper. The proposed approach updates the unknown parameters periodically with a project algorithm. Rigorous analysis guarantees the error convergence of the designed method. Some simulative results further demonstrate the feasibility of the developed approach. © 2015 IEEE.

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