Patent ID: 6545441
Filing Date: 2003-04-08
Classification: G05B

Abstract:
A system for driving a driven member, the system comprising:an actuator having a motor and a potentiometer, wherein the motor has an output shaft, a first drive contact and a second drive contact, and wherein the potentiometer has a first potentiometer contact, a second potentiometer contact and a potentiometer feedback contact, wherein the first potentiometer contact is connected to one of the first drive contact, the second drive contact and a grounded contact, the second potentiometer contact is connected to the potentiometer feedback contact, thereby producing a feedback signal indicative of a position of the output shaft; and a controller in communication with the actuator, wherein the controller has a feedback port, a first motor control port, and a second motor control port, the feedback port is connected to the second potentiometer contact and the potentiometer feedback contact, the first motor control port is connected to the first drive contact and the second motor control port is connected to the second drive contact.