Motor controller of deceleration idling-cylinder engine vehicle

Details Motor controller of deceleration idling-cylinder engine vehicle Motor controller of deceleration idling-cylinder engine vehicle

2005-09-27

2005-09-27

Argenbright, Tony M. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S104000, C701S112000, C701S113000, C701S114000, C123S179300, C123S179400, C123S19800E, C180S065230

Reexamination Certificate

active

06950739

ABSTRACT:
A motor control device for a vehicle having a deceleration deactivatable engine which includes at least one deactivatable cylinder which is deactivated during a deceleration traveling of the vehicle, and which is started by a motor when the operation thereof transitions from a deceleration deactivation operation to a normal operation. The motor control device comprises a cylinder deactivation state determining section (S202) for determining whether or not the engine is in a cylinder deactivation state, a cylinder deactivation executing section, a cylinder deactivation operation detecting section (S201) for detecting whether or not the cylinder deactivation executing section is activated, and a starting torque setting section (S201-S204) for setting staring torque for starting the engine by the motor. When it is determined, by the cylinder deactivation state determining section, that the engine is in a cylinder deactivation state, and it is determined, by the cylinder deactivation operation detecting section, that the engine is to return to the fuel supply operation, the starting torque setting section sets a smaller staring torque than in the case of a normal operation. Accordingly, the output of the motor is optimally set when the operation transitions from the cylinder deactivation operation to the normal operation; thus, a smooth drivability and an improved fuel consumption efficiency can be obtained.

REFERENCES:
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