Title :
Engine misfire detection using crankshaft speed multiple filtering
Author :
Wang, Yinhui ; Huang, Kaisheng ; Lin, Zhihua ; Wang, Dongliang
Author_Institution :
State Key Lab. of Automotive Safety & Energy, Tsinghua Univ., Beijing, China
Abstract :
It is important to calculate engine roughness for misfire diagnostics based on crankshaft speed fluctuation. This paper studies the current misfire diagnostic method and the optimizing strategy based on Chery 447F engine. Engine misfire detection method based on crankshaft speed multiple filtering is presented. After test verification, the method can recognize single-cylinder´s and multi-cylinders´ misfires accurately without Fuel-Cut Self-Learning and Fuel-On Self-Learning.
Keywords :
automotive engineering; fault diagnosis; internal combustion engines; shafts; Chery 447F engine; crankshaft speed fluctuation; crankshaft speed multiple filtering; engine misfire detection; engine roughness; misfire diagnostics; multicylinder misfire; single-cylinder misfire; Acceleration; Engines; Erbium; Finite impulse response filter; Fluctuations; Noise measurement; Crankshaft Speed; Engine; Fluctuation; Misfire Detection; Multiple Filtering;
Conference_Titel :
Remote Sensing, Environment and Transportation Engineering (RSETE), 2011 International Conference on
Conference_Location :
Nanjing
Print_ISBN :
978-1-4244-9172-8
DOI :
10.1109/RSETE.2011.5964729
