Abstract
This paper presents a stability analysis of the iterative learning control (ILC) problem for discrete-time systems when the plants are subject to output measurement data dropouts. It is assumed that data dropout occurs during the data transfers from the plant to the ILC controller, resulting in what is called intermittent ILC. Using the super-vector approach for ILC, the expectation of output error is used to develop conditions for stability of the first order ILC and high order ILC processes. Through the theoretical analysis, it is shown that the convergence of the intermittent ILC is guaranteed although some measurements are missing. The analysis is also supported by numerical examples.
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Recommended by Editorial Board member Euntai Kim under the direction of Editor Young Il Lee. This work was supported by State Key Program (No.60834001) of National Natural Science Foundation of China and Program for Science & Technology Innovation Talents of Henan Province (No.104200510021).
Xuhui Bu received his Bachelor’s and Master’s degree in Automation Control from Henan Polytechnic University, JiaoZuo, China, in 2004 and 2007, respectively, and his Ph.D. degree in Control Thoery and Application from Beijing Jiaotong University, Beijing, China, in 2011. He is currently an Associate Professor in Henan Polytechnic University, JiaoZuo, China. His research is mainly related to data-driven control, iterative learning control, traffic control, etc.
Zhongsheng Hou received his Bachelor’s and Master’s degrees in Applied Mathematics from Jilin University of Technology, Changchun, China, in 1983 and 1988, respectively, and his Ph.D. degree in Control Theory from Northeastern University, Shenyang, China, in 1994. From 1988 to 1992, he was a Lecturer with the Department of Applied Mathematics, Shenyang Polytechnic University. He was a Postdoctoral Fellow with the Harbin Institute of Technology, Harbin, China, from 1995 to 1997 and a Visiting Scholar with Yale University, New Haven, CT, from 2002 to 2003. In 1997, he joined the Beijing Jiaotong University, Beijing, China, and is currently a Full Professor with the Department of Automatic Control. His research interests lie in the fields of the model free adaptive control, learning control, and intelligent transportation systems. He is the author of the monograph Nonparametric Model and its Adaptive Control Theory (Science Press of China) and the holder of the patent invention Model Free Control Technique Chinese Patent (ZL 94 112504. 1) issued in 2000.
Fashan Yu received his B.S. degree in Automation from Henan Polytechnic University, Jiaozuo, China, in 1977. He is currently a Professor and Dean of School of Electrical Engineering & Automation in Henan Polytechnic University. In 2006, he was appointed as the Director of National Electrical & Electronic Experiment Center, and a member of teaching guide committee on Automation organized by the Ministry of Education. His current research interests include industrial process control, PLC control, computer simulation, AC-DC speed control system, etc. He is author and co-author of numerous papers and of several books in the field of Control Theory and Control Engineering.
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Bu, X., Hou, Z. & Yu, F. Stability of first and high order iterative learning control with data dropouts. Int. J. Control Autom. Syst. 9, 843–849 (2011). https://doi.org/10.1007/s12555-011-0504-9
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DOI: https://doi.org/10.1007/s12555-011-0504-9