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Producing the required magnitude and shape of reference current is necessary to achieve precise torque control in motor control applications. A deadbeat predictive current controller provides very good dynamic performance. In order to achieve very accurate reference current production the machine and inverter should be modeled properly with accurate parameters. Parameter changes, especially the back...
In AC servo drives, the rotor position and measured stator currents of permanent magnet synchronous motor (PMSM) are required as feedbacks of drive system. The rotor position of PMSM is very important variable to be known correctly to obtain the optimal torque per ampere from the motor. Unfortunately, manufacturerspsila position sensor datasheets may not include the angular relationship between the...
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