Title: Stability criterion for a single decision-making node in decentralized material handling systems
Authors: Wior, Ireneus
Roth, Patrick
Fay, Alexander 
Language: eng
Keywords: Decentralized system;Feedback system;Modeling;Simulation;Stability analysis;Time delay
Issue Date: 1-Jan-2012
Publisher: IFAC
Document Type: Conference Object
Journal / Series / Working Paper (HSU): IFAC Proceedings Volumes (IFAC-PapersOnline)
Volume: 45
Issue: 24
Page Start: 320
Page End: 327
Published in (Book): 13th IFAC Symposium on Control in Transportation Systems
Publisher Place: New York
Conference: IFAC CTS 2012, the 13th IFAC Symposium on Control in Transportation Systems, Sofia, Bulgaria, 12.-14. September 2012
Decentralized control concepts are today's answer to deal with growing decision networks and their increasing decision-making complexity. However, influencing the networks dynamics with a decentralized, and hence rather local view of the network, can cause undesirable effects such as: oscillatory network conditions, ruptures of network constraints and finally network breakdowns. In the first section of this paper an oscillation problem in decentralized material handling systems is presented, then a decision-making node with such an oscillatory problem is modeled and simulated. The decentralized control approach applied here is based on delayed feedback information with time-varying delays. Finally an analytical approach for determining the stability of such single network nodes, which was developed by Mehdi and Boukas (2003), is evaluated by comparing the result obtained from it with the results of the simulations. © 2012 IFAC.
Organization Units (connected with the publication): Automatisierungstechnik 
ISBN: 9783902823137
ISSN: 14746670
Publisher DOI: 10.3182/20120912-3-BG-2031.00068
Appears in Collections:3 - Reported Publications

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