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An ion current based peak-finding algorithm for pressure peak position estimation
Högskolan i Halmstad, Akademin för informationsteknologi, Halmstad Embedded and Intelligent Systems Research (EIS).
Högskolan i Halmstad, Akademin för informationsteknologi, Halmstad Embedded and Intelligent Systems Research (EIS). Ulf.Holmberg@ide.hh.se.
2000 (Engelska)Ingår i: SAE technical paper series, ISSN 0148-7191, artikel-id 2000-01-2829Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

In this paper a novel ion current based estimation scheme for the in-cylinder pressure peak position (PPP) is proposed. A reliable estimate is constructed by appropriate signal processing based on local curvatures of the post flame phase of the ion current. The peak-finding algorithm is simple and easy to implement in an engine control unit for feedback control of the combustion phasing. Results on real data, sampled onboard a commercial car are presented. Further, the performance of the algorithm is compared to two state of the art algorithms for PPP estimation from the ion current. The comparison shows that the algorithm presented in this paper outperforms its competitors. Copyright © 2000 Society of Automotive Engineers, Inc.

Ort, förlag, år, upplaga, sidor
Warrendale, PA: Society of Automobile Engineers , 2000. artikel-id 2000-01-2829
Nyckelord [en]
Combustion phasing, Engine control unit, Estimation schemes, Ion currents, Local curvature, Peak-finding algorithms, Pressure peaks, Reliable estimates, Two-state, Algorithms, Estimation, Exhibitions, Internet protocols, Signal processing, Ions
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Identifikatorer
URN: urn:nbn:se:hh:diva-37634DOI: 10.4271/2000-01-2829Scopus ID: 2-s2.0-84877449898OAI: oai:DiVA.org:hh-37634DiVA, id: diva2:1233744
Konferens
International Fall Fuels and Lubricants Meeting and Exposition, Baltimore, MD, United States, 16-19 October, 2000
Tillgänglig från: 2018-07-19 Skapad: 2018-07-19 Senast uppdaterad: 2018-07-19Bibliografiskt granskad

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Hellring, MagnusHolmberg, Ulf

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