Abstract
This paper presents a new iterative learning control (ILC) for discrete-time single-input single-output (SISO) linear time-invariant (LTI) systems. To establish this ILC, the input of the controlled system is modified by using a novel four-parametric algorithm. This algorithm is called the extended proportional plus integral and derivative (EPID) type, since by eliminating the fourth parameter of it one would get to the PID type ILC, therefore PID type ILC is a special case of it. The convergence of the proposed ILC is analyzed and an optimal method is presented to determine its parameters. It is shown that the given ILC has a better performance than the PID-type one. Three illustrative examples are included to demonstrate the effectiveness and the preference of the presented ILC.
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Recommended by Editorial Board member Youngjin Choi under the direction of Editor PooGyeon Park.
Ali Madady was born in Aqdash, Saveh, Iran in 1966. He received his B.Sc., M.Sc. and Ph.D. degrees in Electrical and Electronic Engineering from Amir-Kabir University of Technology (Tehran Polytechnic), Iran, in 1989, 1993 and 2001, respectively. From 1991 to 1996, he was a part-time research member of Iranian Research Organization for Science and Technology (IROST). Also from 1994 to 2001, he was a part-time lecturer of Shamsipour Institute of Technology (SIT), Tehran, Iran. In 2001, he joined Tafresh University, Tafresh, Iran, where he is currently an Assistant Professor and originator and head of Control Engineering Group. His research interests include iterative learning, adaptive control, robust control and neural networks.
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Madady, A. An extended PID type iterative learning control. Int. J. Control Autom. Syst. 11, 470–481 (2013). https://doi.org/10.1007/s12555-012-0350-4
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DOI: https://doi.org/10.1007/s12555-012-0350-4