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Electric vehicles (EV) pose specific challenges to the used machine, the inverter and the control scheme. High torque at low speed combined with very high maximum speed enforce a wide field-weakening range. In addition the battery voltage varies as a consequence of state of charge and of acceleration or deceleration load current. Especially in case of rapid changes from acceleration to deceleration...
Electric vehicles pose specific challenges to the drive system and the control scheme. Safety-relevant features like slip-slide control, electronic stability programs or emergency-brake assistance require fast torque control in the whole speed range at limited voltage control margin. Stator-flux-oriented Indirect Stator-Quantities Control (ISC) is limited only by the physical bounds of available voltage...
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