Automatic Tuning of Pulse Timings Using Neural Network for Rotor Oscillation Damping of a Stepping Motor

Abstract

To suppress the rotor oscillation when positioning a stepping motor, we propose a novel scheme that automatically tunes the pulse timings in back-phasing damping using a neural network, from the input of only a step response. Here, the network is learned from the response and its timings for a few loads. To validate the scheme, the drives that satisfactorily damp the rotor oscillation are demonstrated using the timings estimated with unknown loads attached.