| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce power consumption during an engine automatic stop (during an idle stop) in a vehicle driving system that performs an engine automatic stop when the engine automatic stop is required and an engine restart when the engine restart is required. <P>SOLUTION: Energization stop control to stop energization to each of hydraulic control valves 36-38 other than a hydraulic control valve 35 for a clutch C0 to decide a gear change for start (for example, 1st speed) is performed at automatic engine stop, and semi-engagement control to control energization to the hydraulic control valve 35 for a clutch C0 to decide a gear change for start is performed so as to maintain the clutch C0 at a semi-engagement state. The energization stop control and the semi-engagement control reduce power consumption during the engine automatic stop to suppress the consumption of battery power, while suppressing the transmission of starting torque of an engine 10 at the engine restart via a transmission gear mechanism 15 to prevent an unpleasant shock. <P>COPYRIGHT: (C)2012,JPO&INPIT |
