Robotic arm using voltage feedback

How can I control the angular movement of a robotic arm using voltage feedback?

luckynagpala:
How can I control the angular movement of a robotic arm using voltage feedback?

That doesn't make sense. Using current feedback makes more sense. But, how are you getting the feedback and what do you intend to control with it?

You have not defined what type of motors you are using or how they are driven, so you can't seriously expect answers.