Method of control of an automatic transmission and a prognostic

Details Method of control of an automatic transmission and a prognostic Method of control of an automatic transmission and a prognostic

1980-07-09

1982-01-26

Peters, Jr., Joseph F.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

180336, 324162, 364426, B60K 4106

Patent

active

043122493

ABSTRACT:
In order to prevent a cyclic repeating of switching of vehicle gears to higher speeds for automatic transmissions at increased running resistances, an electronic control system is provided with a prognostic circuit which predicts the acceleration which can be expected after switching to a higher speed and which allows the switching to higher speeds only if this acceleration is above zero. If an adjusted maximum speed is exceeded, this operation of the prognostic circuit is interrupted.

REFERENCES:
patent: 3680410 (1972-08-01), Sumiyoshi et al.
patent: 3702572 (1972-11-01), Wakamatsu et al.
patent: 4039061 (1977-08-01), Pruvot et al.
patent: 4073203 (1978-02-01), Wurst et al.
patent: 4194418 (1980-03-01), Pechacek et al.
patent: 4198882 (1980-04-01), Klencke et al.
patent: 4254671 (1981-03-01), Sauer et al.
patent: 4274306 (1981-06-01), Yokoi et al.

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