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Handling of Deviations from Desired Behaviour in Hybrid Central/Self-Organising Multi-Agent Systems

Authors:
Yaser Chaaban
Christian Müller-Schloer
Jörg Hähner

Keywords: Organic Computing; Hybrid Coordination; Robustness; Multi-Agent Systems

Abstract:
The ever increasing complexity of today’s technical systems embodies a real challenge for their designers. This complexity can be regarded as the major source of unexpected system failures. Organic Computing (OC) is concerned with this complexity aiming to build robust, flexible and adaptive systems. In previous papers, we proposed a hybrid system for coordinating semi-autonomous agents using the Organic Computing concept. In this paper, we extend our prototype implementation with the aim of making it capable of handling deviations from planned (desired) behaviour. Therefore, we introduce different types of deviation that can arise. Deviations should be detected as soon as possible after their occurrence so that the controller can re-plan accordingly. In this way, the hybrid central/self-organising concept tolerates that some agents behave in fully autonomous way in the central architecture. Here, the autonomy of the agents is recognised as a deviation from the plan of the central algorithm, if the agents are not respecting this plan. Consequently, the system performance remains robust despite the occurrence of deviations.

Pages: 122 to 128

Copyright: Copyright (c) IARIA, 2012

Publication date: July 22, 2012

Published in: conference

ISSN: 2308-4197

ISBN: 978-1-61208-218-9

Location: Nice, France

Dates: from July 22, 2012 to July 27, 2012