Evaluation of Decentralized Event-Triggered Control Strategies for Cyber-Physical Systems

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Title: Evaluation of Decentralized Event-Triggered Control Strategies for Cyber-Physical Systems
Authors: Kartakis, S
Fu, A
Jr, MM
McCann, JA
Item Type: Working Paper
Abstract: Energy constraint long-range wireless sensor/ actuator based solutions are theoretically the perfect choice to support the next generation of city-scale cyber-physical systems. Traditional systems adopt periodic control which increases network congestion and actuations while burdens the energy consumption. Recent control theory studies overcome these problems by introducing aperiodic strategies, such as event trigger control. In spite of the potential savings, these strategies assume actuator continuous listening while ignoring the sensing energy costs. In this paper, we fill this gap, by enabling sensing and actuator listening duty-cycling and proposing two innovative MAC protocols for three decentralized event trigger contro l approaches. A laboratory experimental testbed, which emulates a smart water network, was modelled and extended to evaluate the impact of system parameters and the performance of each approach. Experimental results reveal the predominance of the decentralized event-triggered control against the classic periodic control either in terms of communication or actuation by promising significant system lifetime extension.
Issue Date: 14-Nov-2016
URI: http://hdl.handle.net/10044/1/59352
Publisher: ArXiv
Copyright Statement: © 2016 The Author(s)
Keywords: cs.SY
0906 Electrical And Electronic Engineering
0102 Applied Mathematics
Industrial Engineering & Automation
Publication Status: Published
Open Access location: https://ieeexplore.ieee.org/abstract/document/8061038/
Appears in Collections:Faculty of Engineering

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