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Combustion state diagnosing system and combustion state diagnosing method for diagnosing engine and recording medium
Combustion state diagnosing system and combustion state diagnosing method for diagnosing engine and recording medium
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机译:用于发动机和记录介质的燃烧状态诊断系统和燃烧状态诊断方法
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摘要
A combustion state is diagnoses by extracting specific rotation period component of a period synchronous with rotation from a combustion state parameter for at least two rotations. The combustion state is judged on the basis of the extracted specific rotation period component. The combustion state parameter may be the engine speed or the output torque of a multiple-cylinder engine which varies according to the combustion state of the engine.
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