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Events for April 05, 2012
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Sparsity-Promoting Optimal Control of Distributed Systems
Thu, Apr 05, 2012 @ 11:00 AM - 12:00 PM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
Speaker: Mihailo Jovanovic, University of Minnesota
Talk Title: Sparsity-Promoting Optimal Control of Distributed Systems
Abstract: This talk is about design of feedback gains that strike a balance between the quadratic performance of distributed systems and the sparsity of the controller. Our approach consists of two steps. First, we identify sparsity patterns of the feedback gains by incorporating sparsity-promoting penalty functions into the optimal control problem, where the added terms penalize the number of communication links in the distributed controller. Second, we optimize the feedback gains subject to the structural constraints determined by the identified sparsity patterns. In the first step, we identify sparsity patterns of the feedback gains using the Alternating Direction Method of Multipliers, which is a powerful algorithm well-suited to large optimization problems. This method alternates between optimizing the sparsity and optimizing the closed-loop performance, which allows us to exploit the structure of the corresponding objective functions. In particular, we take advantage of the separability of the sparsity-promoting penalty functions to decompose the minimization problem into sub-problems that can be solved analytically. In the second step, we develop Newton's method in conjunction with the conjugate gradient scheme to efficiently compute the sparse feedback matrix. Several examples of large dynamic networks are provided to illustrate the effectiveness of the developed approach.
Biography: Mihailo R. Jovanovic (www.umn.edu/~mihailo) received the Dipl. Ing.and M.S. degrees from the University of Belgrade, Serbia, and thePh.D. degree from the University of California, Santa Barbara, in2004. Before joining the University of Minnesota, Minneapolis, he was a Visiting Researcher with the Department of Mechanics, the Royal Institute of Technology, Stockholm, Sweden, from September to December 2004. Currently, he is an Associate Professor of Electrical and Computer Engineering at the University of Minnesota, where he serves as the Director of Graduate Studies in the interdisciplinary Ph.D. program in Control Science and Dynamical Systems. He has held visiting positions with Stanford University and the Institute for Mathematics and Its Applications. Prof. Jovanovic's expertise is in modeling, dynamics, and control of large-scale and distributed systems and his current research focuses on sparsity-promoting optimal control, fundamental limitations in the control of large-scale networks, and dynamics and control of fluid flows. He is a member of IEEE, APS, and SIAM and has served as an Associate Editor of the IEEE Control Systems Society Conference Editorial Board from July 2006 until December 2010. He received a CAREER Award from the National Science Foundation in 2007, and an Early Career Award from the University of Minnesota Initiative for Renewable Energy and the Environment in 2010.
Host: Prof. Urbashi Mitra, ubli@usc.edu, x04667
Location: Hughes Aircraft Electrical Engineering Center (EEB) - 248
Audiences: Everyone Is Invited
Contact: Gerrielyn Ramos
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Lyman L. Handy Colloquium Series
Thu, Apr 05, 2012 @ 12:45 PM - 01:45 PM
Mork Family Department of Chemical Engineering and Materials Science
Conferences, Lectures, & Seminars
Speaker: Yuri Gorbi, Biological Sciences, USC
Talk Title: Recent Advances in the Emerging Field of Electromicrobiology
Series: Lyman L. Handy Colloquium Series
Host: Florian Mansfeld
Location: James H. Zumberge Hall Of Science (ZHS) - 159
Audiences: Everyone Is Invited
Contact: Petra Pearce
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FE Review Session: Statistics
Thu, Apr 05, 2012 @ 03:00 PM - 04:30 PM
Viterbi School of Engineering Student Organizations
Student Activity
Professor Palmer from the USC ISE Department will lead a review session on the topics covered in the Engineering Statistics section of the FE/EIT Exam.
Location: Grace Ford Salvatori Hall Of Letters, Arts & Sciences (GFS) - 109
Audiences: Everyone Is Invited
Contact: Tau Beta Pi
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Northrop Grumman Info Session
Thu, Apr 05, 2012 @ 06:00 PM - 07:00 PM
Viterbi School of Engineering Student Organizations
University Calendar
Come out and listen to all the great opportunities that Northrop Grumman is offering.
Food will be Served!!Location: Mark Taper Hall Of Humanities (THH) - 202
Audiences: Everyone Is Invited
Contact: USC MEGA
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TBP Jacks N Joe Dinner
Thu, Apr 05, 2012 @ 06:30 PM - 08:30 PM
Viterbi School of Engineering Student Organizations
Student Activity
Come join us for Jacks N Joe on Thursday April 5th at 6:30pm. Jacks N Joe is a delicious breakfast all day place near USC! Please RSVP to tbp@usc.edu by Tuesday April 3rd if you are interested.
Audiences: Everyone Is Invited
Contact: Tau Beta Pi
