Abstract
To solve the problem of large torque ripple of interior permanent magnet synchronous motor (IPMSM), the rotor surface notch design method was used for V-type IPMSM. In order to accurately obtain the optimal parameter values to improve the torque performance of the motor, this paper takes the output torque capacity and torque ripple as the optimization objectives, and proposes a multi-objective layered optimization method based on the parameter hierarchical design combined with Taguchi method and response surface method (RSM). The conclusion can be drawn by comparing the electromagnetic performance of the motor before and after optimization, the proposed IPMSM based on the rotor surface notch design can not only improve the output torque, but also play an obvious inhibition effect on the torque ripple.
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