A Method of Misfire Detection by Superposing Outputs of Combustion Pressure Sensors

Komachiya, Masahiro; Kurihara, Nobuo; Kodama, Atsunori; Sakaguchi, T.; Fumino, T.; Watanabe, Shigetaka

doi:10.4271/982588

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2004

2024

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Cited by 9 publications

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“…One way to detect misfire is to directly monitor in-cylinder pressure [2]. However, installing a pressure sensor inside each cylinder is prohibitively expensive.…”

Section: Introductionmentioning

confidence: 99%

Advanced misfire detection using adaptive signal processing

Naik

2004

Adaptive Control & Signal

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This article addresses the problem of internal combustion engine misfire detection. Specific attention is paid to misfire detection using crankshaft speed measurements. After an initial analysis of the problem, the applicability of advanced signal processing methods to its solution is discussed. We demonstrate how adaptive filtering techniques can lead to improved misfire detection accuracy. This can lead to reduced misdetection as well as false alarm rates. The general concept of estimating and removing periodic, timevarying components may also be applied to other automotive problems.

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“…One way to detect misfire is to directly monitor in-cylinder pressure [2]. However, installing a pressure sensor inside each cylinder is prohibitively expensive.…”

Section: Introductionmentioning

confidence: 99%