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Estimation of Gramian-Based Interaction Measures for Weakly Nonlinear Systems
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0002-9992-7791
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.ORCID-id: 0000-0002-5888-8626
2015 (engelsk)Inngår i: 2015 European Control Conference (ECC): Linz, 15-17 July 2015, Piscataway, NJ: IEEE Communications Society, 2015, s. 2438-2443Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

A critical step in the control design of industrial processes is the Control Configuration Selection (CCS), where each actuator is grouped with a set of measurements to be used in the computation of its control action.Tools for CCS include gramian-based Interaction Measures (IMs), initially defined for linear systems. Since a trending research topic is the derivation of IMs for non-linear systems, a decision of the designer is therefore the approach to the problem in the linear or non-linear framework. For this end, a method is discussed that determines the degree of nonlinearity of a system based on a specially tailored experiment, and thus enables the selection of the correct framework for the analysis. The novelty is in the estimation of two gramian-based IMs with confidence bounds from the tailored experiment which is applicable if the process is revealed to be weakly non-linear. If the process is found to be strongly non-linear, then alternative approaches for the interaction analysis have to be considered.

sted, utgiver, år, opplag, sider
Piscataway, NJ: IEEE Communications Society, 2015. s. 2438-2443
HSV kategori
Forskningsprogram
Signalbehandling; Reglerteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-27160DOI: 10.1109/ECC.2015.7330904Scopus ID: 2-s2.0-84963787514Lokal ID: 07f7982e-89fe-459b-9913-9feba382f02eOAI: oai:DiVA.org:ltu-27160DiVA, id: diva2:1000341
Konferanse
European Control Conference : 15/07/2015 - 17/07/2015
Merknad
Godkänd; 2015; 20150224 (migcas)Tilgjengelig fra: 2016-09-30 Laget: 2016-09-30 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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