Patent ID: 8412403

Claim:
A computer-implemented method for increasing the precision of the position determination of a motor-driven closure element of a vehicle, comprising the following steps: determination and storage of data which corresponds to a force-displacement reference curve representative of a force applied to the motor-driven closure element; determination and storage of data which corresponds to a force-displacement actual-value curve representative of a force applied to the motor-driven closure element during vehicle operation; calculation by an evaluator of a correlation function based on the force-displacement curve and the force-displacement actual-value curve using the data which corresponds to the force-displacement reference curve, and the data which corresponds to the force-displacement actual-value curve; determination by the evaluator of a maximum value of the correlation function; and correction of a counter status of a position counter by the evaluator in order to correct a counting error, using a position offset value associated with the determined maximum; wherein the determination and storage of the data which corresponds to the force-displacement reference curve is carried out during the production of the vehicle; wherein the determination and storage of the data which corresponds to the force-displacement actual-value curve is carried out after each movement of the closure element during the operation of the vehicle.