| 摘要 |
A damper post-stage rotation speed in a post-stage of a damper calculated from motor rotation speeds and an engine rotation speed are used to calculate a resonance influence component, and the resonance influence component is subtracted from the engine rotation speed to calculate a determination rotation speed. Then, the determination rotation speed is used to determine a misfire of an engine. This allows determination of the misfire of the engine with higher accuracy even if resonance caused by torsion of the damper occurs.
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