Blog: April 2011

Back-EMF Motion Feedback

Back-EMF Motion Feedback blog post

Post date: 8 years 4 months ago
INTRODUCTION Electromotive force (EMF) refers to the voltage generated by a spinning motor. Measuring this voltage in order to determine the rotational speed of a motor is commonly called Back-EMF since the voltage tends to "push-back" against the circuit driving current into a motor's windings....
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