This White Paper will explain the three methods that are used to close the feedback loop around stepper motors in a control system. These three methods include ways to close the loop around a stepper for applications that need end point accuracy, closed loop microstepping, and two phase brushless (which causes a stepper to act as a servo with a gear box).
![Galil_Deliverables-feature Galil_Deliverables-feature](https://img.machinedesign.com/files/base/ebm/machinedesign/image/2019/04/machinedesign_9825_galil_deliverables700x402.png?auto=format,compress&fit=crop&q=45&h=139&height=139&w=250&width=250)