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Overlapping control systems with optimal information exchange


Overlapping control systems with optimal information exchange

Sojoudi, Somayeh and Aghdam, Amir G. (2009) Overlapping control systems with optimal information exchange. Automatica, 45 (5). pp. 1176-1181. ISSN 00051098

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Official URL: http://dx.doi.org/10.1016/j.automatica.2009.01.002


This paper deals with the stabilizability of interconnected systems via linear time-invariant (LTI) decentralized controllers. Given a controllable and observable system with some distinct decentralized fixed modes (DFMs), it is desired to find a suitable control structure (in terms of information flow) for it. Since a decentralized controller consists of a number of non-interacting local controllers, the objective here is to establish certain interactions between the local controllers in order to eliminate the undesirable DFMs. This objective is achieved by translating the knowledge of the system into some bipartite graphs. Then, the notions of minimal sets and maximal subgraphs are introduced, which lead to a simple combinatorial algorithm for solving the underlying problem. The efficacy of the results obtained is demonstrated by an illustrative example.

Divisions:Concordia University > Gina Cody School of Engineering and Computer Science > Electrical and Computer Engineering
Item Type:Article
Authors:Sojoudi, Somayeh and Aghdam, Amir G.
Journal or Publication:Automatica
Digital Object Identifier (DOI):10.1016/j.automatica.2009.01.002
Keywords:Decentralized control; Stabilization; Overlapping control
ID Code:975169
Deposited On:22 Jan 2013 14:08
Last Modified:18 Jan 2018 17:39


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