Servo control with Sine cosine potentiometers.
I have controller and motorized rotating device. The Controller is a knob the User can rotate. The rotating device is Propulsion Nozzle. Both the Controller and the Nozzle can be rotated over full 360 degrees – no limits. Both Controller and device are equipped with Sine Cosine Potentiometers.
I need the Nozzle to follow the Knob. In order to do that I need to compare output signals from the two sine cosine potentiometers and generate error signal. Error signal activate the motor and make the nozzle turn to follow the controller.
I am looking for simple (and preferably analog) way to compare outputs of the two Sine Cosine Potentiometers and generate error signal.
I expect there should be analog way to do it because the sine cosine pots were around before digital techniques came to being.
I need the Nozzle to follow the Knob. In order to do that I need to compare output signals from the two sine cosine potentiometers and generate error signal. Error signal activate the motor and make the nozzle turn to follow the controller.
I am looking for simple (and preferably analog) way to compare outputs of the two Sine Cosine Potentiometers and generate error signal.
I expect there should be analog way to do it because the sine cosine pots were around before digital techniques came to being.
Replies
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narayana murthyWhat you exactly needed please specify it otherwise no one can help you -
AndreyGI need circuit or algorithm where inputs are signals from Sine Cosine pots and output signal indicates direction in which to rotate the nozzle to match outputs of sine cosine pots.
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