Self tuning method and apparatus for permanent magnet...

Self-controlled polyphase synchronous motor drive system

Sensor-less control apparatus for permanent magnet synchronous m

Sensorless control method and apparatus for a motor drive...

Sensorless control system and method of permanent magnet synchro

Sensorless field oriented controller for two-phase motor

Servo motor control apparatus

Servomotor control system

Single-phase induction motor and method for reducing noise...

Speed control apparatus and method for motors

Speed control apparatus for a synchronous motor

Speed control systems of synchronous motors

Speed detection apparatus, speed control motor, and track jump c

Speed monitoring device

Speed monitoring device

Stable subsynchronous drive system for gyroscope rotor

Stable synchronous drive system for gyroscope rotor

Start-up system for a synchronous motor drive

Starter/generator system with DC link current control

Static frequency changer for feeding synchronous machines