Initial Rotor Position Estimation by Detecting Vibration of Permanent Magnet Synchronous Machine

The principal methods of initial rotor position estimation of permanent magnet synchronous machine (PMSM), such as high-frequency rotating signal injection methods and high-frequency pulsating signal injection methods, are implemented by calculating the voltage equations of the stator winding. However, these methods have low adaptability to the PMSMs with different saliency properties and high sen...