Permanent magnets 19 Synchronous motors 16 History of engineering and technology 15 Permanent Magnet Synchronous Motor 12 Technology: general issues 9 Torque 7 permanent magnet synchronous motor 5 Controllers 4 Electric drives 4 Electric machine control 4 Interior permanent magnet synchronous motor 4 MATLAB 4 Sliding mode control 4 Stators 4 History of engineering & technology 3 Optimization 3 Sensorless control 3 Simulation platform 3 Torque control 3 Traction motors 3 Active disturbances rejection controls 2 Artificial Neural Network 2 Control methods 2 Current limitation 2 Currents and voltages 2 Direct torque control 2 Disturbance rejection 2 Efficiency 2 Electric vehicles 2 Electrical torques 2