Automatic transmission learning control apparatus

Details Automatic transmission learning control apparatus Automatic transmission learning control apparatus

1995-11-29

1998-05-26

Chin, Gary

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

477121, 477158, 701 58, 701 66, B60K 4106, F16H 6126

Patent

active

057583030

ABSTRACT:
An automatic transmission learning control apparatus comprises a memory for storing parameters in memory locations specified for respective throttle valve position ranges. A physical quantity related to a gear shift operation made in an automatic transmission is measured. The parameter stored in the memory location specified by the throttle valve position range including the sensed throttle valve position is updated in a direction to bring the measured physical quantity into agreement with a target value. The parameter stored in the memory location specified by the throttle valve position range including the existing throttle valve position is used to control the gear shift operation. The throttle valve position ranges have a smaller width for a throttle valve position causing a greater rate of change of a torque inputted to the automatic transmission with respect to a throttle valve position change.

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patent: 5558600 (1996-09-01), Tsukamoto et al.
patent: 5571060 (1996-11-01), Becker et al.

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