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This paper describes an approach in improving the performance of the position sensorless control of an interior permanent-magnet synchronous motor using parameter identification. The model-based sensorless method requires accurate motor parameters. At low speed, the resistance variation degrades the accuracy of position estimation. The identified parameter is used in the sensorless drive system to...
This paper proposes a method for improving the performance of a position sensorless control system for an interior permanent magnet synchronous motor in the low-speed region. Accurate values of motor parameters are required for the model-based position sensorless control. In the case of extreme temperature variation and low-speed operation in particular, motor parameter error affects the accuracy...
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