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Generation of excitation signals with prescribed autocorrelation for input and output constrained systems
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.
KTH, Skolan för elektro- och systemteknik (EES), Reglerteknik. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0002-9368-3079
2013 (engelsk)Inngår i: 2013 American Control Conference (ACC), American Automatic Control Council , 2013, s. 3918-3923Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

This paper considers the problem of realizing an input signal with a desired autocorrelation sequence satisfying both input and output constraints for the system it is to be applied to. This is a important problem in system identification. Firstly, the properties of the identified model are highly dependent on the used excitation signal during the experiment and secondly, on real processes, due to actuator saturation and safety considerations, it is important to constrain the inputs and outputs of the process. The proposed method is formulated as a nonlinear model predictive control problem. In general this corresponds to solving a non-convex optimization problem. Here we show how this can be solved in one particular case. For this special case convergence is established for generation of pseudo-white noise. The performance of the algorithm is successfully verified by simulations for a few different autocorrelation sequences, with and without input and output constraints.

sted, utgiver, år, opplag, sider
American Automatic Control Council , 2013. s. 3918-3923
Serie
Proceedings of the American Control Conference, ISSN 0743-1619
Emneord [en]
Binary, Identification, Design (ACC)
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-105769DOI: 10.1109/acc.2013.6580438ISI: 000327210204018Scopus ID: 2-s2.0-84883532012ISBN: 978-147990177-7 (tryckt)OAI: oai:DiVA.org:kth-105769DiVA, id: diva2:572025
Konferanse
2013 1st American Control Conference, ACC 2013; Washington, DC; United States; 17 June 2013 through 19 June 2013
Merknad

QC 20130710

Tilgjengelig fra: 2013-07-10 Laget: 2012-11-26 Sist oppdatert: 2022-06-24bibliografisk kontrollert

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Hjalmarsson, Håkan

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