Difference between revisions of "Publications:Using Multiple Cylinder Ion Measurements for Improved Estimation of Combustion Variability"
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| − | |Name=Byttner, Stefan | + | |Name=Byttner, Stefan (stefan) (Högskolan i Halmstad (2804), Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE) (3905), Halmstad Embedded and Intelligent Systems Research (EIS) (3938), Intelligenta system (IS-lab) (3941));Holmberg, Ulf (ulho) (Högskolan i Halmstad (2804), Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE) (3905), Halmstad Embedded and Intelligent Systems Research (EIS) (3938), Intelligenta system (IS-lab) (3941));Wickström, Nicholas (nicholas) (0000-0002-4143-2948) (Högskolan i Halmstad (2804), Sektionen för Informationsvetenskap, Data– och Elektroteknik (IDE) (3905), Halmstad Embedded and Intelligent Systems Research (EIS) (3938), Intelligenta system (IS-lab) (3941)) |
|Title=Using Multiple Cylinder Ion Measurements for Improved Estimation of Combustion Variability | |Title=Using Multiple Cylinder Ion Measurements for Improved Estimation of Combustion Variability | ||
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|diva=http://hh.diva-portal.org/smash/record.jsf?searchId=1&pid=diva2:404649}} | |diva=http://hh.diva-portal.org/smash/record.jsf?searchId=1&pid=diva2:404649}} | ||
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Latest revision as of 21:40, 30 September 2016
| Title | Using Multiple Cylinder Ion Measurements for Improved Estimation of Combustion Variability |
|---|---|
| Author | Stefan Byttner and Ulf Holmberg and Nicholas Wickström |
| Year | 2005 |
| PublicationType | Conference Paper |
| Journal | |
| HostPublication | Proceedings of the SAE 2005 World Congress & Exhibition |
| Conference | SAE 2005 World Congress & Exhibition, April 2005, Detroit, Michigan, United States |
| DOI | http://dx.doi.org/10.4271/2005-01-0042 |
| Diva url | http://hh.diva-portal.org/smash/record.jsf?searchId=1&pid=diva2:404649 |
| Abstract | Estimation of combustion variability can be performed by using ion currents measured at the spark plug. A scheme is here proposed that exploits the potential of using measurements from multiple cylinders to improve the estimation accuracy of combustion variability (measured by the coefficient of variation of IMEP). This is realised by dividing combustion variability into categories and having one classifier running for each cylinder with the ion current as input signal. The final estimate of combustion variability is then formed by a majority vote among the classifiers. This scheme is shown to improve estimation accuracy by up to 15% on measurements taken from highway driving in a production vehicle. |
