Method for controlling a transmission of a motor vehicle

摘要

A method for controlling a motor vehicle transmission (11) is disclosed in which a sensor (18) used to produce an indication of position of a selector (17) is calibrated such that positioning the selector (17) at a peak force feedback position produced by a peak and trough force feedback mechanism (24) connected to the selector (17) will always result in the selection of a drive mode of the transmission (11).

主权项

1. A method for controlling a transmission of a motor vehicle having a number of operating modes including at least one non-drive mode and at least one drive mode and a multi-stable selector for operation by a driver of the vehicle to select a respective one of the operating modes of the transmission, the multi-stable selector including a mechanism providing a number of stable positions corresponding to the operating modes and a peak and trough force feedback to the driver so as to enable the driver to perceive the transition from one stable position to another and at least one sensor to sense the position of the selector and supply a signal to an electronic controller concerning the position, wherein the method comprises:
dividing the output range of the at least one sensor into a number of bands having upper and lower limits, the bands corresponding respectively to the number of operating modes; arranging the bands such that, when the selector is located at any one of the stable positions, the position of the selector represented by the signal output from the at least one sensor falls within a respective one of the bands; and adjusting the upper and lower limits of each band in dependence on the direction of movement of the selector.