07 November 2017 | Studium Generale & Kuliah Umum
Tanggal: Jumat, 17 November 2017
Pukul: 08.00 - 11.30
Tempat: R. Sidang Lt.3 DTETI
Shinji Hara
Professor, Research and Development Initiative, Chuo University, Japan.
Professor, Tokyo Institute of Technology, Japan.
Talk to undergraduate/graduate students
<Title> Introduction to Control: Invisible but Key for Advanced Science & Technology
<Abstract> "Control" is one of the most fundamental transdisciplinary science and technology related to variety of academic research areas and industries. However, it is in general difficult to understand due to the invisibility. The key of control, stability and stabilization, is addressed after explanation of what is control. Then, we show the importance of control in any of advanced science and technology including areas of aerospace and robotics. The idea of cooperative control is introduced as one of current interested research topics, where an application of cooperative stabilization of multiple inverted pendulums is demonstrated. The last topic is on the future direction of control towards smart cities, where a new framework of control called "glocal (Global/Local) control" is explained.
Talk to faculty and graduate students
<Title> Glocal (Global/Local) Control: Concept, Fundamental Theory, and Applications to Electric Vehicle Control
<Abstract> There are many systems that can be regarded as hierarchical networked dynamical sytems in a variety of fields related to worldwide crucial social issues such as environment, energy, transportation, and health. One of the ideas to treat those systems properly is ""Glocal (Global/Local) Control," which means that the global purpose is achieved by only local actions of control. The key for realization of glocal control is hierarchical networked dynamical systems with multiple resolutions in time and space depending on the layer.
We first explain the background and introduce a unified framework for such a class of systems named LTI system with generalized frequency variable. Then, three different types of stability tests, namely Nyquist, Hurwitz, and Lyapunov, are shown, and the robust stability issue is discussed for treating the heterogeneous case. The second half of the talk is devoted to design methods of hierarchically decentralized control with both local and global objectives, where we show a method based on standard LQR optimal control. Through the talk we demonstrate applications of electric vehicle control to show the effectiveness of the theoretical results.
<Short Bio> Shinji Hara received the B.S., M.S., and Ph.D. degrees in engineering all from Tokyo Institute of Technology, Tokyo, Japan, in 1974, 1976, and 1981, respectively. In 1984, he joined Tokyo Institute of Technology as an Associate Professor and has served as a Full Professor for ten years. Since 2002 he has been a Full Professor of the Department of Information Physics and Computing, The University of Tokyo, and he moved to Chuo University in April, 2017. He has stayed in Chulalongkorn University as a Visiting
Professor since May, 2017. His current research interests are in robust control, decentralized cooperative control for large-scale networked dynamical systems, system biology, glocal control. Dr. Hara received the George S. Axelby Outstanding Paper Award from the IEEE Control System Society in 2006. He was the President of SICE in 2009 and the Vice-President of the IEEE CSS in 2009-2010, IFAC Council member in 2012-, and Fellow of IFAC, IEEE and SICE.
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