Circuits and Systems Chapter

Chapter Officers

  Chair: Zoran Gajic

  Vice Chair: Francis O’Connell

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Past Meetings

Date: Monday, March 26, 2010

Topic:  Sliding Mode Control for Systems with Slow and Fast Dynamics

Speaker: Thang Nguyen, Rutgers University

In this talk, the problem of sliding mode control for systems with slow and fast
dynamics, which are attributed to a small parameter, corresponding to small time
constants, small masses, small moments of inertia, and so on, is addressed.

November 17, 2008

Sliding Mode Control with Industrial Applications

Professor Wu-Chung Su, National Chung Hsing University, Taiwan

Abstract: Variable structure control is well-known for its unique attribute, called sliding mode, which leads to a superb system performance that includes external disturbances rejection and parameter variations insensibility. Since its first appearance in IEEE Transactions on Automatic Control in 1977 as a review paper by V. I. Utkin, the variable structure systems (VSS) theory has attracted lots of researchers attention with a tremendous amount of works devoted to this research area. It is now believed to be one of the most flourishing research areas in the field of Controls for the past decades. This talk will start in a tutorial format that covers the fundamental knowledge of VSS with discontinuous controls, as a transition to the key techniques in formulating a control problem using the sliding mode control (SMC) method. They include the crucial problems such as the matching condition, sliding surface design, reaching condition, chattering phenomenon, and so on. The underline methodologies extend to the advanced research topics on sampled-data control, singular perturbations and distributed parameter systems. Industrial applications such as switched reluctance motor torque control, pneumatic cylinder servo, plastic extrusion process temperature control, and wireless network power control problems will be demonstrated.

Speaker’s Biography:
Wu-Chung Su is a professor at Electrical Engineering Department of National Chung Hsing University, Taiwan. He received a Ph. D. degree from the Ohio-State University in 1994 and a Masters degree from Rutgers University in 1990, both in Electrical & Computer Engineering. His research interests are in singular perturbations, weakly coupled systems, sliding mode control, and power control for wireless communication networks. He has coauthored one book, Optimal Control of Weakly Coupled Systems and Applications, Francis and Taylor 2008, and published thirteen journal papers, seven of them in IEEE Transactions on Automatic Control and Automatica. He was Chairman of EE Department (2004-2006), Chairman of Board of Professor’s Council (2003-2005), Dean of Office of Research and Development (2001), and Director of Center of Innovation Incubator (2001) at National Chung Hsing University. Professor Su is currently on sabbatical leave as a Visiting Professor in the Department of Electrical and Computer Engineering at Rutgers University.