| 摘要 |
In a four wheel drive vehicle, when rear wheels which are principal drive wheels skid, first a traction control system is operated so as to reduce the drive power to the rear wheels. Thereafter the proportion of drive power apportioned to the front wheels which are auxiliary drive wheels is increased by a torque splitting control system. By doing this, skidding of a wheel due to delay in application of traction control is prevented.
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