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  • Torque sensorless IM control for EV's
    Jezernik, Karel ; Rodič, Miran
    Induction motor (IM) speed sensorIess control, allowing operation at low and zero speed, optimizing torque response and efficiency, is presented in the paper. The magnitude and orientation angle of ... the rotor flux of the induction motor are determined by the output of the closed-loop rotor flux observer based on the calculation of the extended electromotive force (EMF) of machine. The proposed stator flux/torque scheme is robust to parameter variations and external disturbances. The produced torque is a continuous output variable of control. Hardware-in-the-loop (HIL) procedure, a supplement of the conventional simulations, is a modern approach to the testing of the operation of algorithms without the need for the prototypes. Parts of actual system are replaced by the mathematical modeIs, which are numerically calculated on-line and connected to the actual components of the system by the use of software and hardware interfaces. Proposed sensorIess IM control for EV's is executed with the use of the dSP ACE system containing DS 11 03 PPC controller board, and the Danfoss VL T5004 Inverter. The system is programmed with the use of MA TLAB/Simulink. Measurements and computation of algorithm are executed in 2001lS. The reference tracking performance is demonstrated by experiments. The performance of the proposed method is investigated and verified experimentally on dSPACE system.
    Vir: Proceedings [elektronski vir] ([12] f.)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2005
    Jezik - angleški
    COBISS.SI-ID - 9481494

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