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Stabilization of Large-scale Distributed Control Systems using I/O Event-driven Control and Passivity
 

Summary: Stabilization of Large-scale Distributed Control Systems using I/O
Event-driven Control and Passivity
Han Yu, Feng Zhu, Panos J. Antsaklis
Abstract-- This paper examines a passivity-based I/O ap-
proach for stabilization of large scale networked control systems
(NCSs) with event-driven communication. We use a cellular
model to model the large scale NCSs and assume that each
subsystem is an output feedback passive (OFP) system. We
propose a distributed event-driven communication strategy,
where each subsystem broadcasts its output information to its
neighbors only when the subsystem's local output novelty error
exceeds a specified threshold. Based on the proposed event-
driven communication strategy, the studied large scale NCSs
is finite-gain L2 stable in the presence of bounded external
disturbances. The triggering condition is related to the topology
of the underlying communication graph. We also provide a
way to analyze the time interval between two consecutive
communication broadcasts(the inter-event time). Simulation
results are shown at the end.
I. INTRODUCTION

  

Source: Antsaklis, Panos - Department of Electrical Engineering, University of Notre Dame

 

Collections: Engineering