Motor-driven
Washing Machine
Key parameters
| Item | Parameters |
|---|---|
| Control method | Sensorless FOC vector control |
| Current sampling | 1-shunt/2-shunt current sampling |
| Angular estimation | Luenberger observer + Q-PLL |
| Speed range | 150 ~ 20,000 rpm |
| Field weakening control | MTPA torque control, anti-demagnetization algorithm |
| Braking | DC bus constant voltage control |
| Eccentricity detection | 300 rpm low-speed eccentricity detection |
Block diagram
