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Identifiability of Turbocharged IC Engine Models
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1999 (English)In: Proceedings of the SAE 1999 International Congress & Exposition, 1999, Vol. SP-1451Conference paper, Published paper (Refereed)
Abstract [en]

The paper deals with the problem of identifiability of mean-value models of turbocharged IC engines. A way of reducing such models to linear regressions using differential algebra is presented. The conditions of the global identifiability and the persistent excitation are formulated in explicit form for a given set of sensors. It is accompanied with the discussion how to reduce the set of sensors required for engine identification. As a side product it is shown how to use regressors derived for estimation and/or verification of some static nonlinearities using dynamic test data. The results obtained can be used for both model-based FDI (fault detection and isolation) and engine control purposes but mainly for automatic generation of engine test plans and identification.

Place, publisher, year, edition, pages
1999. Vol. SP-1451
Keyword [en]
Identification, IC engine, Fault detection and isolation
National Category
Engineering and Technology Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-91174DOI: 10.4271/1999-01-0216OAI: oai:DiVA.org:liu-91174DiVA: diva2:617298
Conference
SAE 1999 International Congress & Exposition, Detroit, MI, USA, March, 1999
Available from: 2013-04-22 Created: 2013-04-17 Last updated: 2013-04-22

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Glad, Torkel

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