Method for controlling vehicle automatic transmission systems

Details Method for controlling vehicle automatic transmission systems Method for controlling vehicle automatic transmission systems

1990-03-22

1992-06-16

Lall, Parshotam S.

Boots, shoes, and leggings

74866, F16H 6116, F16H 6102

Patent

active

051229560

ABSTRACT:
In a method for automatically controlling the gear-shifting operation of a vehicle gear transmission so as to shift the transmission to a calculated target position according to the vehicle operation parameter(s), the stability of the calculated target position is discriminated and the required gear-shifting operation is carried out only when the stability satisfies a prescribed condition, whereby unnecessary gear-shifting operations can be effectively eliminated even if for some reason the calculated target gear position frequently changes.

REFERENCES:
patent: 4635508 (1987-01-01), Tatsumi
patent: 4638690 (1987-01-01), Hattori et al.
patent: 4823643 (1989-04-01), Koshizawa
patent: 4967620 (1990-11-01), Shimanaka
patent: 4977992 (1990-12-01), Ohtsuka et al.

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