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An optimal controller architecture for poset-causal systems

Author(s)
Shah, Parikshit; Parrilo, Pablo A.
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Abstract
We propose a novel and natural architecture for decentralized control, that is applicable whenever the underlying system has the structure of a partially ordered set (poset). This controller architecture is based on the Möbius transform of the poset, and enjoys simple and appealing separation properties, since the closed-loop dynamics can be analyzed in terms of decoupled subsystems. The controller structure provides rich and interesting connections between concepts from order theory such as Möbius inversion and control-theoretic concepts such as state prediction, correction, and separability. In addition, using our earlier results on ℌ2-optimal decentralized control for arbitrary posets, we prove that the ℌ2-optimal controller in fact possesses the proposed structure, thereby establishing the optimality of the new controller architecture.
Date issued
2012-03
URI
http://hdl.handle.net/1721.1/72482
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Laboratory for Information and Decision Systems
Journal
50th IEEE Conference on Decision and Control and European Control Conference 2011 (CDC-ECC)
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Shah, Parikshit, and Pablo A. Parrilo. “An Optimal Controller Architecture for Poset-causal Systems.” 50th IEEE Conference on Decision and Control and European Control Conference 2011 (CDC-ECC). 5522–5528.
Version: Author's final manuscript
ISBN
978-1-61284-799-3
978-1-61284-800-6

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