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Ion current based pressure peak detection under different air humidity conditions
Volvo.
Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE), Halmstad Embedded and Intelligent Systems Research (EIS).ORCID-id: 0000-0001-5163-2997
Högskolan i Halmstad, Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE), Halmstad Embedded and Intelligent Systems Research (EIS).ORCID-id: 0000-0002-4143-2948
Mecel AB.
2000 (engelsk)Inngår i: Advanced Microsystems for Automotive Applications 2000 / [ed] Sven Krüger, Wolfgang Gessner, New York: Springer , 2000, s. 125-138Konferansepaper, Publicerat paper (Annet vitenskapelig)
Abstract [en]

A model based soft sensor that estimates the location of the in-cylinder pressure peak from the ion current is described. The soft sensor uses a neural network algorithm and has been implemented in a SAAB 9000 low-pressure turbo production car. It estimates the pressure peak location, in real time, during normal highway driving with an error of 2-3 crank angle degrees. The soft sensor has been tested during normal Scandinavian weather conditions, with a relative air humidity of about 50%, as well as when water is sprayed into the intake manifold, resulting in approximately 100% relative humidity. The neural network based soft sensor is significantly better than that of another method, based on nonlinear Gaussian curve fits, for the same task.

sted, utgiver, år, opplag, sider
New York: Springer , 2000. s. 125-138
Serie
VDI-Buch
Emneord [en]
ion current, humidity effects, location of peak pressure, neural network, production car implementation, soft sensor
HSV kategori
Identifikatorer
URN: urn:nbn:se:hh:diva-3798DOI: 10.1007/978-3-642-18146-7_11ISI: 000165196700011ISBN: 3-540-67087-4 OAI: oai:DiVA.org:hh-3798DiVA, id: diva2:291786
Konferanse
Conference on Advanced Microsystems for Automotive Applications (AMAA 2000), BERLIN, GERMANY, APR, 2000
Tilgjengelig fra: 2010-02-03 Laget: 2010-02-03 Sist oppdatert: 2016-03-09bibliografisk kontrollert

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Totalt: 200 treff
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