Event-Triggered Output Feedback Control for Networked Control Systems using Passivity: Time-varying Network Induced Delays

Authors: Han Yu and Panos J. Antsaklis

50th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC) Orlando, FL, USA, December 12-15, 2011

Abstract:

When network induced delays are considered in
the event-triggered control literature, they are typically delays
from the plant to the controller and a tight bound on the
admissible delays is usually imposed based on the analysis of
inter-event time. In [19], a dynamic output feedback based
event-triggered control scheme is introduced for stabilization
of input feed-forward output feedback passive (IF-OFP) networked
control systems (NCSs), which is a more general case
compared with the passive and the output feedback passive
(OFP) systems studied in [18]. Based on the results shown
in [19], we propose a dynamic output feedback based eventtriggered
control set-up for NCSs which allows us to consider
network induced delays both from the plant to the controller
and from the controller to the plant. We show that based on
the proposed set-up, finite-gain L2 stability can be achieved in
the presence of arbitrary constant network induced delays or
time-varying delays with bounded jitters.