Fuji Jukogyo Kabushiki Kaisha

Junichi Kurosawa

Yoshiyuki Tanaka

Kouichi Inoue

A control device for a four-wheel drive vehicle, including: a yaw moment control unit for selecting and applying to a wheel based on a driving state a braking force to generate vehicular yaw moment; a driving force control unit for identifying and reducing excess driving force based on the driving state; a limited slip differential control unit for limiting a front wheel differential; a front/rear driving force distribution control unit for controlling engagement torque of a clutch unit which varies front/rear torque distribution via a center differential; and a switch unit for selecting an operation/non-operation of the driving force control unit, wherein the front/rear driving force distribution control unit sets the engagement torque at a greater value when the yaw moment control unit operates while the driving force control unit is non-operating, than when the yaw moment control operates while the driving force control unit is operating.

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Tokyo, Japan

Junichi Kurosawa