Control apparatus and a control method for controlling an automa

Details Control apparatus and a control method for controlling an automa Control apparatus and a control method for controlling an automa

1997-04-17

2000-07-25

Zanelli, Michael J.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

701 60, 477 34, F16H 6106, F16H 5900

Patent

active

06094613&

ABSTRACT:
A detector is provided to detect the inertia phase at the time of shifting in a vehicle automatic transmission. A torque variation coefficient calculator calculates varying rate of the torque variation, while a memory stores a constant value of the torque variation. A comparator compares the coefficient of the torque variation with the constant value, and command generator outputs commands for operating the transmission on the basis of the result of the comparison. Therefore, torque fluctuations at the time of shifting are decreased.

REFERENCES:
patent: 4868753 (1989-09-01), Mori
patent: 5109967 (1992-05-01), Saitou et al.
patent: 5188005 (1993-02-01), Sankpal et al.
patent: 5292288 (1994-03-01), Kashiwabara et al.
patent: 5462499 (1995-10-01), Bullmer et al.
patent: 5752210 (1998-05-01), Kato et al.

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