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This paper proposes a high-performance inverter control method based on the shaft acceleration torque. The conventional overmodulation method has both advantages and disadvantages. The proposed method considers the motor driving condition from the acceleration torque command and the omitted voltage caused by voltage saturation and automatically judges whether overmodulation should be used. Therefore,...
This paper proposes a new fine servo system based on a new over-modulation method with priority given to d-axis voltage for interior permanent magnet synchronous motor (IPMSM). The proposed over-modulation method gives priority to the d-axis voltage to avoid the d-axis voltage saturation, and increases the amplitude of inverter output voltage to achieve the quick torque and speed responses under voltage...
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