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Talk and Webinar: Small Phase Theorem: versions 1.0 and 2.0 by Prof. Li Qiu from Hong Kong University of Science and Technology
December 16, 2022 @ 3:00 pm - 4:30 pm
Small Phase Theorem: versions 1.0 and 2.0 Abstract: Is there a small phase theorem in parallel to the small gain theorem? This is of no problem for SISO LTI systems since the phase response of such a system is well defined. For MIMO LTI systems, this question becomes nontrivial since a good definition of matrix phase had not been available until recently. In this talk, we start with two definitions of matrix phase and present two corresponding versions of the small phase theorem. Our current study shows that we can even extend the concept of phase and the small phase theorem to nonlinear systems and much beyond. Professor Li Qiu Department of Electronic and Computer Engineering Hong Kong University of Science and Technology Prof. Li Qiu received his Ph.D. degree in electrical engineering from the University of Toronto in 1990. After briefly working in the Canadian Space Agency, the Fields Institute for Research in Mathematical Sciences (Waterloo), and the Institute of Mathematics and its Applications (Minneapolis), he joined Hong Kong University of Science and Technology in 1993, where he is now a Professor of Electronic and Computer Engineering. Prof. Qiu’s research interests include system, control, optimization theory, and mathematics for information technology, as well as their applications in manufacturing industry and energy systems. He is also interested in control education and coauthored an undergraduate textbook “Introduction to Feedback Control” which was published by Prentice-Hall in 2009. He served as an associate editor of the IEEE Transactions on Automatic Control and an associate editor of Automatica. He was the general chair of the 7th Asian Control Conference, which was held in Hong Kong in 2009. He was a Distinguished Lecturer from 2007 to 2010 and was a member of the Board of Governors in 2012 and 2017 of the IEEE Control Systems Society. He is the founding chairperson of the Hong Kong Automatic Control Association and a vice president of Asian Control Association. He is a Fellow of IEEE and a Fellow of IFAC. Co-sponsored by: Prof. Dr. Ryozo Nagamune / Dejan Kihas Agenda: Gathering and Introduction Presentation Q&A Room: CEME 2202, Bldg: CEME (Civil and Mechanical Engineering Building), University of British Columbia, Vancouver , 6250 Applied Science Ln, Vancouver, BC V6T 1Z4, Vancouver , British Columbia, Canada, Virtual: https://events.vtools.ieee.org/m/333239