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Observer Based Feedforward Air-Fuel Control of Turbocharged SI-Engines
Linköpings universitet, Institutionen för systemteknik, Fordonssystem. Linköpings universitet, Tekniska högskolan.
Linköpings universitet, Institutionen för systemteknik, Fordonssystem. Linköpings universitet, Tekniska högskolan.ORCID-id: 0000-0001-8646-8998
2005 (engelsk)Inngår i: Proceedings of 16th Triennial World Congress, Prague, Czech Republic, IFAC Papers Online, 2005, Vol. 38, s. 200-205Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Air-fuel control on turbocharged (TC) SI-engines require precise prediction of the cylinder air-charge (CAC). Using an observer it is possible to both estimate the necessary system states and to provide a framework to design the necessary CAC feedforward controller. Here a mean value engine model of a TC SI-engine is used to develop an observer. The output of the observer is fed as an initial condition to a predictor which is used for feedforward of the CAC for air-fuel control. The resulting controller is experimentally validated on a SAAB 2.0 dm3 TC engine using tip-in and tip-out transients. The results show that the excursions in Λ are less than 5%

sted, utgiver, år, opplag, sider
IFAC Papers Online, 2005. Vol. 38, s. 200-205
Serie
IFAC Proceedings Volumes, ISSN 1474-6670 ; 1
Emneord [en]
automotive control; automotive emissions; engine management; engine modeling; estimators; extended kalman filters; model based control
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-137737DOI: 10.3182/20050703-6-CZ-1902.01921OAI: oai:DiVA.org:liu-137737DiVA, id: diva2:1107356
Konferanse
16th Triennial World Congress, Prague, Czech Republic, 4-8 July 2005
Tilgjengelig fra: 2017-06-09 Laget: 2017-06-09 Sist oppdatert: 2018-01-30bibliografisk kontrollert

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Totalt: 126 treff
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