NDLI: Synchronization analysis of the supermarket refrigeration system

Content Provider	IEEE Xplore Digital Library
Author	Wisniewski, R. Liang Chen Larsen, L.
Copyright Year	2009
Description	Author affiliation: Department of Electronic Systems, Aalborg University, Fredrik Bajers Vej 7C, 9220, Denmark (Wisniewski, R.) \|\| Danfoss A/S, Refrigeration and Air conditioning, DK-6430, Nordborg, Denmark (Larsen, L.) \|\| Engineering Research Center of Digitized Textile & Fashion Technology, Ministry of Education, Donghua University, Shanghai 201620, China (Liang Chen)
Abstract	The supermarket refrigeration system typically has a distributed control structure, which neglects interactions between its subsystems. These interactions occasionally lead to a synchronous operation of the display-cases, which increases both energy consumption and deterioration of components. This is by all mean to be avoided. The paper focuses on synchronization dynamics of the refrigeration system modeled as a piecewise-affine switched system. Stability analysis is performed by gluing the subsystems together to create a single dynamical system. The system behavior is analyzed using the bifurcation and chaos theory. It is demonstrated that the system can have a complex chaotic behavior, which is far from the synchronization. This shows that making the system chaotic is a good choice for a desynchronization strategy. The positive maximum Lyapunov exponent is usually taken as an indication of the existence of chaos. It is used in this paper as a measure of performance for the tendency of the system to synchronize, that is, the higher value of the maximum Lyapunov exponent the lower risk for synchronization.
Starting Page	5562
Ending Page	5567
File Size	2585443
Page Count	6
File Format	PDF
ISBN	9781424438716
ISSN	01912216
DOI	10.1109/CDC.2009.5400589
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Refrigeration Chaos Displays Energy consumption Switched systems Bifurcation Temperature Distributed control Stability analysis Compressors
Content Type	Text
Resource Type	Article

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