A three-stage field weakening scheme adjusts modulation index via DC link voltage and current commands.
A rotation angle calculation device shifts excitation signal frequencies to reduce noise interference on amplitude-modulated signals.
A controller switches between voltage-boosting and direct-coupling modes to manage device temperatures.
Dynamic field current limiting based on rotation speed prevents overheating while maintaining normal power generation regions.
A servo control apparatus detects and stores sensing data to enable smooth motor mode transitions.
An electronic controller switches five distinct control states to adjust motor assist force output characteristics.
A motor control method reduces voltage to a perceivable choke value when current exceeds a threshold, allowing quick recovery without switching off.
An auxiliary protection circuit deactivates the driving circuit in electric sealed compressors to ensure reliable operation.
Monitor modules measure driver slope times and feed data to regulators that adjust output transitions, reducing electromagnetic compatibility emissions.
A daughter circuit board integrates eight ports to convert signals between a motor controller and user terminal control systems.
A paper transport device motor reverses direction and increases current to clear jams automatically.
Automated monitoring of field winding resistance variations eliminates manual labor and reduces testing time while maintaining high detection accuracy.