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Design of Iterative Learning Control Method with Global Convergence Property for Nonlinear Systems
oleh: Guang-Wei Xu, Cheng Shao, Yu Han
| Format: | Article |
|---|---|
| Diterbitkan: | Hindawi Limited 2014-01-01 |
Deskripsi
We address an iterative learning control (ILC) method for overcoming initial value problem caused by local convergence methods. Introducing a feedback recursive form of tracking errors into iterative learning law, this algorithm can avoid a crude linear approximation to nonlinear plants to reach global convergence property. The algorithm’s structure is entirely illustrated. Under assumptions, it is guaranteed that tracking errors of the closed-loop system converge to zero. Besides, we discuss the roles of parameters in iterative learning law for algorithm realization, and a nonlinear case study is presented to demonstrate the effectiveness and tracking performance of the proposed algorithm.