Vibration and noise optimization of permanent magnet synchronous motor based on stator slot structure
In order to improve the vibration noise caused by the first-order tooth harmonic of perma-nent magnet synchronous motor,this paper,based on the ANSYS Workbench multi-physical field coupling platform,carries out joint simulation on the electromagnetic noise of the motor,and optimizes the vibration noise of the motor.The spatial and temporal order of the vibration noise caused by the first order tooth harmonic is analyzed,and the vibration noise of the motor is reduced by optimizing the stator size.The influence of various parameters of the stator slot on the air gap flux density of the motor is analyzed,and its regression model for the air gap flux density of the motor is obtained through regression analysis,and the most suitable parameters of the stator slot are found through optimization algorithm.The simulation analysis shows that the air gap magnetic density of the optimized motor has been significantly improved,and the electromagnetic noise of 48 time orders caused by 12 times of electromagnetic frequency of 0 space orders has been significantly reduced,which proves the reliability of the optimized scheme.
万方数据
维普
