Speed change control method and speed change controller

Details Speed change control method and speed change controller Speed change control method and speed change controller

2005-03-22

2005-03-22

Black, Thomas G. (Department: 3663)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Transmission control

C701S052000, C475S198000, C477S037000, C477S035000, C192S003510, C192S003540, C074S336001

Reexamination Certificate

active

06871128

ABSTRACT:
A speed change control method of controlling a speed change ratio of a continuously variable transmission mechanism including a traction continuously variable transmission, includes: estimating a tilt angle of a power roller included in the continuously variable transmission based on an input rotating speed and an output rotating speed of the continuously-variable transmission mechanism;estimating a position of the power roller based on an estimated tilt angle obtained by the tilt angle estimating step and a command signal given to a driving device of adjusting the tilt angle of the power roller; and executing a feedback control operation based on an estimated position of the power roller obtained by the position estimating step.

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patent: A 2000-257686 (2000-09-01), None
patent: A 2001-265406 (2001-09-01), None

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