Cluster Synchronization Algorithms

Dr. Ming Cao (University of Groningen)

DATE: 2009-10-23
TIME: 11:00:00 - 12:00:00
LOCATION: RSISE Seminar Room, ground floor, building 115, cnr. North and Daley Roads, ANU

ABSTRACT:
We present two approaches for achieving cluster synchronization in dynamical multi-agent systems. In contrast to the widely studied synchronization behavior, where all the coupled agents converge to the same value asymptotically, in the cluster synchronization problem discussed in this talk, we require the interconnected agents to evolve into several clusters and each agent only to synchronize within its cluster. The first approach is to add a constant forcing to the dynamics of each agent that are determined by positive diffusive couplings; and the other is to introduce both positive and negative couplings between the agents. Some sufficient and/ or necessary conditions are constructed to guarantee n-cluster synchronization behavior.

BIO:
Ming Cao is currently an assistant professor of Discrete Technology and Production Automation with Faculty of Mathematics and Natural Sciences at the University of Groningen, the Netherlands. He received the Bachelor degree in 1999 and the Master degree in 2002 from Tsinghua University, Beijing, China, and the Ph.D degree in 2007 from Yale University, New Haven, CT, USA, all in electrical engineering. From September 2007 to August 2008, he was a Postdoctoral Research Associate with the Department of Mechanical and Aerospace Engineering at Princeton University, Princeton, NJ, USA. He worked as a Research Intern during the summer of 2006 with the Mathematical Sciences Department at IBM T. J. Watson Research Center, NY, USA. His main research interest is in autonomous agents and multi-agent systems, mobile sensor networks and social robotics. He is an associate editor for Systems and Control Letters.

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