VERFAHREN UND VORRICHTUNG ZUR STEUERUNG DES ÜBERSETZUNGSVERHÄLTNISSES EINES RIEMENVARIATORS IN EINE GETRIEBEEINHEIT EINES KRAFTFAHRZEUGES

摘要

Method for controlling the transmission ratio of a belt variator in a transmission unit for a motor vehicle, whereby this method at least provides for a control manner whereby the transmission ratio is controlled as a function of gear change signals given by the driver of the vehicle, characterized in that a control is hereby carried out whereby, according to what is called a variogram, control lines (A-B-C-D-E-F) are followed which are selected such that, when gearing up and gearing down respectively, large rotational speed differences in each successive transition between the selected control lines (A-B-C-D-E-F) are avoided.