| 摘要 |
A hybrid vehicle comprises a drive wheel ( 5 ), an internal combustion engine ( 1 ), a power generating motor ( 2 ) that generates an electric power by using an output power of the engine ( 1 ), and a planetary gear set ( 13 ) that comprises a combination of a gear element that is driven by the engine ( 1 ), a gear element that is connected to the power generating motor ( 2 ), and a gear element that is connected to the drive wheel ( 5 ). A target engine power is computed based on an accelerator operation amount. The engine ( 1 ) is controlled based on the target engine power. And control a rate of variation in the rotation speed of the engine ( 1 ) to be smaller, when the rotation speed of the power generating motor ( 2 ) increases than when the rotation speed of the power generating motor ( 2 ) decreases toward zero as a result of controlling the engine ( 1 ) based on the target engine power. Fuel consumption rate is thus improved.
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