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Iterative Learning control (ILC) is a powerful control concept that iteratively improves the behaviors of processes that are repetitive in nature. A new and systematic frequency-domain approach of the PD iterative learning control has been presented based upon frequency domain of continuous model. For design specifications, including the convergence margin and cut-off frequency which is determined by useful input signal, a proper PD learning operator can be tuned practically and the obtained rate of convergence is quit good. It is also noted that, for a given plant, frequency band can not been increased much more with PD learning operator for guaranteeing convergence. Simulation results show that the proposed algorithms are practical and effective.
Control and Decision Conference (CCDC), 2010 Chinese
Date of Conference: 26-28 May 2010