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Towards a thermodynamics of control: Entropy, energy and Kalman filtering
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0003-1835-2963
2013 (engelsk)Inngår i: 2013 IEEE 52nd Annual Conference on Decision and Control (CDC), IEEE conference proceedings, 2013, s. 3109-3114Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

We propose a method to analyse the flows of information and energy between two systems (plant and controller) connected in feedback. Extending a work by Touchette and Lloyd (2000, 2004), we estimate the advantage, both in terms of entropy reduction and energy extraction, of a feedback controller over an open-loop control in terms of the information on the plant state that is available to the controller. By energy here we mean any objective function that we seek to minimize, for example the square of the state. We apply this methodology on the Kalman filter, and develop a physical interpretation comparable to Mitter and Newton's (2005).

sted, utgiver, år, opplag, sider
IEEE conference proceedings, 2013. s. 3109-3114
Serie
IEEE Conference on Decision and Control. Proceedings, ISSN 0743-1546
Emneord [en]
Entropy, Kalman filters, Thermodynamics, Energy extraction, Entropy reduction, Feedback controller, Kalman-filtering, Objective functions, Open loop control, Physical interpretation, Controllers
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-150867DOI: 10.1109/CDC.2013.6760356ISI: 000352223503088Scopus ID: 2-s2.0-84902358223ISBN: 978-146735717-3 (tryckt)OAI: oai:DiVA.org:kth-150867DiVA, id: diva2:745845
Konferanse
52nd IEEE Conference on Decision and Control, CDC 2013, 10 December 2013 through 13 December 2013, Florence, Italy
Merknad

QC 20140911

Tilgjengelig fra: 2014-09-11 Laget: 2014-09-11 Sist oppdatert: 2015-12-08bibliografisk kontrollert

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Sandberg, Henrik

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