Communication Architecture Design for Real-Time Networked Control Systems

Fidge, Colin, Gu, Tianlong, Han, Qing-Long, Tade, Moses, & Tian, Yu-Chu (2006) Communication Architecture Design for Real-Time Networked Control Systems. In Yu, J (Ed.) 2006 International Conference on Communications, Circuits and Systems Proceedings (Vol 3), 25-28 June 2007, China, Guilin.

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Networked control over data networks has received increasing attention in recent years. Among many problems in networked control systems (NCSs) is the need to reduce control latency and jitter and to deal with packet dropouts. This paper introduces our recent progress on a queuing communication architecture for real-time NCS applications, and simple strategies for dealing with packet dropouts. Case studies for a middle-scale process or multiple small-scale processes are presented for TCP/IP based real-time NCSs. Variations of network architecture design are modelled, simulated, and analysed for evaluation of control latency and jitter performance. It is shown that a simple bandwidth upgrade or adding hierarchy does not necessarily bring benefits for performance improvement of control latency and jitter. A co-design of network and control is necessary to maximise the real-time control performance of NCSs

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ID Code: 24258
Item Type: Conference Paper
Refereed: Yes
Keywords: Networked Control Systems, Communication Networks, Queues, Ethernet, TCP/IP
DOI: 10.1109/ICCCAS.2006.285031
ISBN: 0-7803-9585-9
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Automation and Control Engineering (091302)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > COMMUNICATIONS TECHNOLOGIES (100500) > Computer Communications Networks (100503)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Deposited On: 17 Jun 2009 14:26
Last Modified: 16 Apr 2015 06:40

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