SPMSM Design Considerations for Initial Position and Magnet Polarity Estimation using Carrier Signal Injection. - Kan Akatsu; Michael C. Harke; Robert D. Lorenz (IAS, 2007)

Current Measurement Gain Tuning Using High Frequency Signal Injection. - Michael C. Harke; Juan M. Guerrero; Michael W. Degner; Fernando Briz; Robert D. Lorenz (IAS, 2007)