Method for determining and specifying the necessary closing speed of a motor-operated vehicle door at the moment of reaching an initial closure detent

A method for determining and specifying a necessary closing speed of a motor-operated vehicle door at a moment of reaching an initial closure detent:

• at a control unit, determining and comparing motor current of a door motor with a calculated maximum current, wherein the calculated maximum current results from a motor armature resistance measured at a start of a door movement, from a minimum supply voltage of the control unit and from an adjustable factor;
• if the determined current is higher than the calculated maximum current, changing a value of an adaptation table and specifying at the control unit a higher closing speed for next closing movement of the vehicle door and thus adapting to actual and instantaneous situation at the vehicle;
• and;
• if the determined current is lower than the calculated maximum current, specifying at the control unit a lower closing speed for the next closing movement of the vehicle door.