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Ion current based pressure peak detection under different air humidity conditions
Volvo.
Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS).ORCID iD: 0000-0001-5163-2997
Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS).ORCID iD: 0000-0002-4143-2948
Mecel AB.
2000 (English)In: Advanced Microsystems for Automotive Applications 2000 / [ed] Sven Krüger, Wolfgang Gessner, New York: Springer , 2000, p. 125-138Conference paper, Published paper (Other academic)
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.

Place, publisher, year, edition, pages
New York: Springer , 2000. p. 125-138
Series
VDI-Buch
Keywords [en]
ion current, humidity effects, location of peak pressure, neural network, production car implementation, soft sensor
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
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
Conference
Conference on Advanced Microsystems for Automotive Applications (AMAA 2000), BERLIN, GERMANY, APR, 2000
Available from: 2010-02-03 Created: 2010-02-03 Last updated: 2016-03-09Bibliographically approved

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Rögnvaldsson, ThorsteinnWickström, Nicholas

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf