Research Article

Sensorless SPMSM Position Estimation Using Position Estimation Error Suppression Control and EKF in Wide Speed Range

Table 1

Parameters for the motor and inverter systems in simulations.

Parameters Value

axis inductance  H
Stator resistance 2.875 
Back-EMF coefficient 0.2256 V/(rad/s)
Pole pairs 4
DC link voltage Vdc 540 V
Load torque 10 Nm
Maximum allowable current
of motor and inverter
10 A
Inertia moment  Nm2
Magnet flux linkage 0.175 wb
Motor rated speed 1000 rpm