Method for Moving an Element, which is Driven by an Electric Motor Inside a Predetermined Movement Section Between Two Block Positions Each Formed as a Limit Stop, into a Block Position

Abstract

A method for moving a movable element into a block position includes providing a supply voltage to an electric motor associated with the movable element for the motor to generate a motor current and drive the element with motor power dependent on the motor current in order to move the element along a path. Upon the element being moved into a block position of the path, the supply voltage provided to the motor is controlled such that the motor current generated by the motor is continuously reduced over a time period to zero. For instance, the supply voltage is pulse-width modulated at a decreasing pulse duty ratio over the time period such that the motor current generated by the motor is continuously reduced over the time period to zero.

Dependencies are inferred from the claim text.