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Frequency-Domain Data-Driven Adaptive Iterative Learning Control Approach: With Application to Wafer Stage (2020)
Journal Article

The feedforward control is becoming increasingly important in ultra-precision stages. However, the conventional model-based methods cannot achieve expected performance in new-generation stages since it is hard to obtain the accurate plant model due t... Read More about Frequency-Domain Data-Driven Adaptive Iterative Learning Control Approach: With Application to Wafer Stage.

Reuse of a Damaged Permanent Magnet Synchronous Motor for Torque Ripple and Acoustic Noise Elimination using a Novel Repetitive Observer (2020)
Journal Article

A lad-used servo permanent magnet synchronous motor (PMSM) has been accidentally damaged due to overcurrent. On one hand, the mechanical damage in the end bearing and break part generates acoustic noise even when rotating the shaft by hand. On the ot... Read More about Reuse of a Damaged Permanent Magnet Synchronous Motor for Torque Ripple and Acoustic Noise Elimination using a Novel Repetitive Observer.

Electric Drive Based on an Open-End Winding Surface PM Synchronous Machine with a Floating Capacitor Bridge (2020)
Journal Article

A speed control scheme is presented for a 3-phase surface permanent magnet synchronous machine with an openend stator winding fed by a three-phase inverter and a floating bridge inverter. The latter is used to compensate for the reactive power of the... Read More about Electric Drive Based on an Open-End Winding Surface PM Synchronous Machine with a Floating Capacitor Bridge.