Method and apparatus for generating velocity commands in respons

Details Method and apparatus for generating velocity commands in respons Method and apparatus for generating velocity commands in respons

1999-04-08

2000-03-28

Wright, Dirk

Interrelated power delivery controls, including engine control

Transmission control

Including fluid drive

477120, F16H 6146

Patent

active

060425024

ABSTRACT:
A control apparatus for a continuously variable transmission is disclosed. The control apparatus includes a transmission speed sensor which generates actual velocity signals in response measuring a speed of an output shaft of the continuously variable transmission. The control apparatus further includes a first input device which is positionable in one of a number of positions and generates a desired velocity signal corresponding to the one of the number of positions. The control apparatus yet further includes a controller operable to receive the desired velocity signals, receive the actual velocity signals, determine when rapid changes in the desired velocity are requested by an operator, and generate a commanded acceleration and a commanded velocity based on a jerk value which exceeds a predetermined jerk limit in response to the rapid changes in the desired velocity. A method of controlling a continuously variable transmission is also disclosed.

REFERENCES:
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patent: 5568748 (1996-10-01), Carlson et al.
patent: 5624339 (1997-04-01), Coutant et al.
patent: 5658217 (1997-08-01), Tsukada

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