Adopting the advanced sensorless FOC algorithm to auto-identify motor parameters to achieve high efficiency and low noise.

Characteristics of Hardware：
1) Sensorless
2) Compatible with BLDC square wave drive and PMSM magnetic field directional drive
3) Over-current, over-voltage, under-voltage, locked rotor, over-temperature protection and so on
4) Testing of three phase and bus current, voltage, and power pipe temperatures
5) High torque and efficiency in FOC drive mode

Software Innovation：
Online identification of motor parameters, including three-phase winding inductance, resistance, leakage inductance, and electromotive force
Winding dynamic parameter correction
Testing rotor initial position and supporting heavy-load zero-speed start