Method for operating a drive-train (1) comprising an automated transmission (4) and a drive aggregate (2), wherein the automated transmission (4) provides at least two starting gears for the forward driving direction, and with a transmission-internal or transmission-external starting clutch (5), namely a method for operating such a drive-train (1) during crawling at a crawling speed in the forward driving direction, such that for crawling in a starting gear engaged in the transmission (4) for a forward driving direction and with the starting clutch (5) closed and not slipping, the drive aggregate (2) is operated in a rotational speed regulated manner so that a crawling speed is obtained, which depends on the rotational speed of the drive aggregate (2) and on the gear ratio of the starting gear engaged in the transmission (4), and depending on an actuation of an operating element (8) of a speed regulating unit, at least one appropriate starting gear for crawling is determined and automatically engaged in the transmission (4).
METHOD AND CONTROL UNIT FOR OPERATING A DRIVETRAIN WITH AN AUTOMATED TRANSMISSION
2016-12-15
Patent
Elektronische Ressource
Englisch
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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