Patent ID: 7324886
Filing Date: 2008-01-29
Classification: B60W,F16H

Abstract:
1. A powertrain control apparatus for a power train that includes a lock-up clutch that directly connects an engine, in which fuel supply is cut off, to an automatic transmission, wherein the lock-up clutch is operated by hydraulic pressure corresponding to a hydraulic-pressure instruction value, the control apparatus comprising: a control unit that controls the engine so that fuel supply to the engine resumes; and a setting unit that sets the hydraulic-pressure instruction value based on a temperature of a combustion chamber of the engine so that a time from when the lock-up clutch is in an engaged state till when the lock-up clutch is in a disengaged state is longer when the temperature of the combustion chamber is a first temperature than when the temperature of the combustion chamber is a second temperature which is higher than the first temperature, when the lock-up clutch is controlled to be brought to the disengaged state from the engaged state and the fuel supply to the engine is resumed.