Title :

Event-Triggered Output Feedback Control for Networked Control Systems Using Passivity

Speaker :

Miss HAN Yu

Department of Electrical Engineering

University of Notre Dame, USA

Venue :

Room 215, William M. W. Mong Engineering Building, CUHK

Date :

Jan 16, 2012, Monday
4:30 PM - 5:30 PM

Abstract :

When network induced delays are considered in the event‐triggered control literature, they are typically delays from the plant to the network controller and a tight bound on the admissible delays is usually imposed based on the analysis of inter‐event time to guarantee stability of the event‐triggered control systems. In this talk, we introduce a framework for output feedback based event‐triggered networked control systems (NCSs). The triggering condition is derived based on passivity theorem which allows us to characterize a large class of output feedback stabilizing controllers. The proposed set‐up enables us to consider network induced delays both from the plant to the network controller and from the network controller to the plant. we show that finite‐gain L2 stability can be achieved in the presence of time‐varying (or constant) network induced delays with bounded jitters, without requiring that the network induced delays are upper bounded by the inter‐event time.

Biography :

Han Yu is a Ph.D candidate of the Department of Electrical Engineering at the University of Notre Dame. She got her bachelor’s degree from Huazhong University of Science and Technology and the University of Birmingham with first class of honor in 2007. She is now a graduate student at the University of Notre Dame.

Her current research focuses on Cyber Physical Networked Embedded Systems and addresses problems in the interdisciplinary research area of Control, Computing and Communication Networks.

    **************************************** ALL ARE WELCOME ****************************************

Enquiries: Ms. Winnie Wong, Department of Mechanical and Automation Engineering, CUHK at 3943 8337. *MAE Series (2011-12) is contained in the World-Wide Web home page at http://www3.mae.cuhk.edu.hk/maeseminars.php#mae.