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Modeling of a turbocharged SI engine
Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för systemteknik, Fordonssystem.ORCID-id: 0000-0001-8646-8998
Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för systemteknik.
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2002 (Engelska)Ingår i: Annual Reviews in Control, ISSN 1367-5788, E-ISSN 1872-9088, Vol. 26 I, s. 129-137Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Turbocharged SI engines are a major possibility in the current trend of down-sized engines with preserved drivability performance. Considering control and supervision it is favorable to have a mean value model to be used e.g. in observer design. Such models of turbo engines are similar to those of naturally aspirated engines, but there are some special characteristics, e.g. the interconnected gas flows, the intercooler, the difference in relative sizes between the gas volumes (compared to naturally aspirated engines), the turbo, and the waste gate. Here, a model is developed with a strategy to find a model for each engine component (air filter, compressor, after cooler (or intercooler), throttle, engine, turbine, waste gate, and a lumped model for the catalyst and exhaust) as they behave in an engine setting. When investigating agreement with measured data and sensitivity of possible model structures, a number of interesting issues are raised. The experiments and the model validation have been performed on a Saab 2.3 1 production engine.

Ort, förlag, år, upplaga, sidor
2002. Vol. 26 I, s. 129-137
Nyckelord [en]
Automotive control, Compressor/turbine modeling, Intercooler modeling
Nationell ämneskategori
Teknik och teknologier
Identifikatorer
URN: urn:nbn:se:liu:diva-46885DOI: 10.1016/S1367-5788(02)80022-0OAI: oai:DiVA.org:liu-46885DiVA, id: diva2:267781
Tillgänglig från: 2009-10-11 Skapad: 2009-10-11 Senast uppdaterad: 2018-01-30

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Eriksson, LarsNielsen, LarsAndersson, Per

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