Motor drive for a motor with feedback potentiometer

The controller has a continuously rotatable feedback potentiometer (1) reporting the angular position of the motor (2). A control potentiometer (4) adjusts the air regulation and control electronics (5) are integrated between the motor and the control potentiometer. The control electronics has two input amplifiers (6, 7) whose output is connected to the differential amplifier (8) and input is connected to a potentiometer tap. An Independent claim is also included for a method for controlling a motor.