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During real-time operation of electric vehicles, motor parameter variations can significantly effect and deteriorate control performances of electric traction drives. For an open-loop torque control system, the parameter mismatch between the electric motor and the controller results in large steady-state error of the output torque response. This paper presents an adaptive torque controller based on...
This paper presents a new robust speed control approach for Interior Permanent Magnet Synchronous Motor (IPMSM) drives with incorporated Maximum Torque per Ampere (MTPA) regulation. Compared to the conventional closed loop structure, where the reference torque for the MTPA regulator is equal to the output signal of the PI speed controller, the proposed system updates this reference via implementation...
For electric vehicle applications, it is desirable to achieve maximum torque output of the traction motor for fast acceleration and minimize electrical losses, from energy saving point of view, which is achieved by Maximum Torque Per Ampere (MTPA) and Maximum Efficiency (ME) control methods, respectively. This paper introduces a compromise solution between MTPA and ME approaches obtained for Interior...
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