Motor-driven
High-speed Hair Dryer
Key parameters
| Item | Parameters |
|---|---|
| Motor type | 220VACPMSM |
| Control method | Sensorless FOC vector control |
| Current sampling | 1-shunt/2-shunt current sampling |
| PWM frequency | 20kHz ~ 30kHz |
| Angular estimation | Luenberger observer + Q-PLL |
| Speed range | 10,000 ~ 120,000 rpm |
| Acceleration time | > 300,000 rpm/s |
Block diagram
