Driven wheel torque control system

Details Driven wheel torque control system Driven wheel torque control system

B - Operations, Transporting

60

K

B60K 28/16 (2006.01) F16H 59/46 (2006.01)

Patent

CA 2051249

In reducing a driven wheel output torque by a driven wheel output torque reducing means when slipping of a driven wheel becomes excessive in a vehicle including a torque converter between an internal combustion engine and the driven wheel, an output torque from the internal combustion engine calculated by an internal combustion engine output torque calculating means is first converted into a driven wheel applied torque in consideration of an amplification of the torque in the torque converter by a driven wheel applied torque calculating means. Then, a surplus torque consumed for the slipping of the driven wheel is calculated by a surplus torque calculating means, and a transmittable torque which can be actually transmitted to a road surface is calculated from the driven wheel applied torque and the surplus torque by a transmittable torque calculating means. On the basis of the transmittable torque, a decrement in driven wheel torque is determined by a control quantity determining means . An over-control in the control of slipping of the driven wheel is prevented by taking an amplification of the torque by the torque converter into consideration in this manner.

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