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Decentralized hierarchical multi-rate control of constrained linear systems

Bemporad, Alberto and Barcelli, Davide and Ripaccioli, Giulio Decentralized hierarchical multi-rate control of constrained linear systems. In: Proceedings of the 18th IFAC World Congress, 2011. IFAC, pp. 277-283. ISBN 978-3-902661-93-7 (2011)

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This paper proposes a decentralized hierarchical multi-rate control scheme for large-scale dynamically-coupled linear systems subject to linear constraints on input and state variables. At the lower level, a set of decentralized and independent linear controllers stabilizes the process, without taking care of the constraints. Each controller receives reference signals from its own upper-level controller, that runs at a lower sampling frequency. By optimally constraining the magnitude and rate of variation of the reference signals to each lower-level controller, quantitative criteria are provided for selecting the ratio between the sampling rates of the upper and lower layers of control at each location, in a way that closed-loop stability is preserved and the fulfillment of the prescribed constraints is guaranteed.

Item Type: Book Section
Identification Number: 10.3182/20110828-6-IT-1002.03206
Funders: This work was supported by the European Commission under project \WIDE - Decentralized and Wireless Control of Large-Scale Systems", contract number FP7-IST-224168.
Uncontrolled Keywords: Decentralized control; Large scale optimization problems; Distributed robust controller synthesis
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
T Technology > TJ Mechanical engineering and machinery
Research Area: Computer Science and Applications
Depositing User: Professor Alberto Bemporad
Date Deposited: 29 Jul 2011 10:53
Last Modified: 09 Jul 2012 09:26
URI: http://eprints.imtlucca.it/id/eprint/744

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