Speed ratio control system and method for a continuously variabl

Details Speed ratio control system and method for a continuously variabl Speed ratio control system and method for a continuously variabl

1990-08-28

1992-08-04

Lall, Parshotam S.

Boots, shoes, and leggings

74866, 474 12, B60K 4118, G06F 1520

Patent

active

051364956

ABSTRACT:
A speed ratio control system of a continuously variable transmission for a vehicle is provided, wherein a speed ratio is feedback-controlled in association with a deviation between a target and a measured value, so that the speed ratio can be continuously varied and adjusted. A gain of feedback control or shift speed is utilized, which has been constant or accurately determined, and the gain of feedback control or shift speed is optimally set in accordance with the feedback control, so as to obtain a continuously variable transmission which has high response characteristics and stability.

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