eprintid: 744 rev_number: 15 eprint_status: archive userid: 7 dir: disk0/00/00/07/44 datestamp: 2011-07-29 10:53:35 lastmod: 2012-07-09 09:26:08 status_changed: 2012-07-09 09:17:27 type: book_section metadata_visibility: show item_issues_count: 0 creators_name: Bemporad, Alberto creators_name: Barcelli, Davide creators_name: Ripaccioli, Giulio creators_id: alberto.bemporad@imtlucca.it creators_id: creators_id: title: Decentralized hierarchical multi-rate control of constrained linear systems ispublished: pub subjects: QA75 subjects: TJ divisions: CSA full_text_status: none pres_type: paper keywords: Decentralized control; Large scale optimization problems; Distributed robust controller synthesis abstract: 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. date: 2011 date_type: published publisher: IFAC pagerange: 277-283 event_title: 18th IFAC World Congress event_location: Milano, Italy event_dates: August 28 - September 2, 2011 event_type: conference id_number: 10.3182/20110828-6-IT-1002.03206 refereed: TRUE isbn: 978-3-902661-93-7 book_title: Proceedings of the 18th IFAC World Congress, 2011 official_url: http://www.ifac-papersonline.net/Detailed/47569.html 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. citation: 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)