Driven wheel torque control system

Details Driven wheel torque control system Driven wheel torque control system

1991-09-11

1995-01-03

Wright, Dirk

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

180197, F16H 5918

Patent

active

053775627

ABSTRACT:
In reducing a driven wheel output torque by a driven wheel output torque reducing device 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 is calculated and is first converted into a driven wheel applied toque in consideration of an amplification of the torque in the torque converter. Then, a surplus torque consumed for the slipping of the driven wheel is calculated, 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. On the basis of the transmittable torque, a decrement in driven wheel torque is determined. 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.

REFERENCES:
patent: 3741043 (1973-06-01), Oya et al.
patent: 4615410 (1986-10-01), Hosaka
patent: 4855914 (1989-08-01), Davis et al.
patent: 4962570 (1990-10-01), Hosaka et al.
patent: 5002147 (1991-03-01), Tezuka et al.
patent: 5018595 (1991-03-01), Hara et al.
patent: 5038883 (1991-08-01), Kushi et al.
patent: 5065319 (1991-11-01), Iwatsuki et al.
patent: 5067578 (1991-11-01), Shirata et al.

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