Home > Seminars > Event-triggered control: What about robustness and implementation?

Event-triggered control: What about robustness and implementation?

Start:

5/27/2014 at 2:00PM

End:

5/27/2014 at 3:00PM

Location:

258 Fitzpatrick Hall

Host:

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Hai Lin

Hai Lin

VIEW FULL PROFILE Email: hlin1@nd.edu
Phone: 574-631-3177
Website: http://nd.edu/~hlin1/
Office: 265 Fitzpatrick Hall
Curriculum Vitae

Affiliations

College of Engineering Associate Professor
Wireless Institute Associate Professor
Dr. Lin's teaching and research interests are in the multidisciplinary study of the problems at the intersections of control, communication, computation and life sciences. His current research thrust is on cyber-physical systems, multi-robot cooperative tasking, advanced manufacturing systems, ...
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Event-triggered control is a recently proposed control paradigm that abandons the conventional periodic time-triggered sampling of outputs and updating of control values with the objective to reduce the utilization of communication resources, while still guaranteeing desirable closed-loop behavior. Event-triggered control consists of two elements, namely a feedback controller that computes the next control input, and a triggering mechanism that determines what the next control update time will be. In this presentation we start by discussing issues related to (non-)robustness of event-triggering controllers with respect to (small) disturbances. It will be shown that some well-known triggering rules are not robust to arbitrary small disturbances in the sense that the required communication resources can grow without bounds. Several alternatives will be discussed that do exhibit favorable robustness properties. In particular, we discuss a periodic event-triggered control law that combines ideas from periodic time-triggered control and continuous-time event-triggered control.

Seminar Speaker:

Maurice Heemels

Maurice Heemels

Eindhoven University of Technology

Maurice Heemels received the M.Sc. degree in mathematics and the Ph.D. degree in control theory (both summa cum laude) from the Eindhoven University of Technology (TU/e), Eindhoven, The Netherlands, in 1995 and 1999, respectively. After being an Assistant Professor at the EE dept at TU/e and a research fellow at the Embedded Systems Institute (ESI), he is currently a Full Professor in the Control Systems Technology Group at the ME department at TU/e. Maurice held visiting research positions at the Swiss Federal Institute of Technology (ETH), Zurich, Switzerland (2001), at Océ, Venlo, the Netherlands (2004) and at the University of California at Santa Barbara, USA (2008). Dr. Heemels is an Associate Editor for the journals: “Nonlinear Analysis: Hybrid Systems'' and “Automatica.'' He was the recipient of a prestigious VICI grant of the Dutch Technology Foundation (STW) and the Netherlands Organisation for Scientific Research (NWO). His current research interests include general system and control theory, hybrid and cyber-physical systems, networked and event-triggered control, and constrained systems including model predictive control. In addition, he served as the general chair of the 4th IFAC Conference on Analysis and Design of Hybrid Systems (ADHS) 2012 in Eindhoven, The Netherlands, and will be the IPC chair for the 4th IFAC Workshop on Distributed Estimation and Control in Networked Systems (NECSYS) 2013 in Koblenz, Germany.