Communication schemes for centralized and decentralized event-triggered control systems

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Title: Communication schemes for centralized and decentralized event-triggered control systems
Authors: Kartakis, S
Fu, A
Mazo, M
McCann, JA
Item Type: Journal Article
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-triggered control (ETC). 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 medium access control protocols for three decentralized ETC approaches. A laboratory experimental test bed, which emulates a smart water network, was modeled and extended to evaluate the impact of system parameters and the performance of each approach. Experimental results reveal the predominance of the decentralized ETC against the classic periodic control either in terms of communication or actuation by promising significant system lifetime extension.
Issue Date: 1-Nov-2018
Date of Acceptance: 11-Sep-2017
URI: http://hdl.handle.net/10044/1/62739
DOI: https://dx.doi.org/10.1109/TCST.2017.2753166
ISSN: 1063-6536
Start Page: 2035
End Page: 2048
Journal / Book Title: IEEE Transactions on Control Systems Technology
Volume: 26
Issue: 6
Copyright Statement: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Sponsor/Funder: NEC Corporation
Funder's Grant Number: N/A
Keywords: Science & Technology
Technology
Automation & Control Systems
Engineering, Electrical & Electronic
Engineering
Communication protocols
cyber-physical systems (CPSs)
event-triggered control (ETC)
networked control systems
wireless sensor/actuator networks
0906 Electrical And Electronic Engineering
0102 Applied Mathematics
Industrial Engineering & Automation
Publication Status: Published
Online Publication Date: 2017-10-06
Appears in Collections:Faculty of Engineering
Computing



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