Abstract
Considerable interest exists in developing diagnosis techniques able to reveal if anomalies in the combustion process of a spark ignition engine appear. A procedure has been implemented that allows the detection of the misfire condition and then identification of the responsible cylinder. The technique is based on the monitoring of the exhaust pressure profile and on the processing of such a signal in time and frequency domains in order to extract information regarding combustion quality. In this paper, the developed method is presented and experimental results of an application are shown. Both steady-state and transient conditions are considered and the effect of different values of engine speed and load is investigated.
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Schedule a callMore From: Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy
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