Control for a motor vehicle drive having an automatic transmissi

Details Control for a motor vehicle drive having an automatic transmissi Control for a motor vehicle drive having an automatic transmissi

1994-07-15

1996-08-20

Ta, Khoi Q.

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

477110, B60K 4104

Patent

active

055474349

ABSTRACT:
A motor vehicle drive has an engine and an automatic transmission. A control for the motor vehicle drive includes an engine control connected to the engine for controlling the torque of the engine. A transmission control is connected to the transmission for controlling shifting operations of the transmission and is connected to the engine control for sending a tripping signal to the engine control for changing torque and effecting a jerk-free shifting operation. Data are exchanged between the engine control and the transmission control preceding the tripping signal, by transmitting a proportion from the engine control to the transmission control for maximally reducing the torque of the engine for the shifting operation.

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Electronics Newsletter YY 87020, Feb. 19, 1987, 4 pages.

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