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Motor optimization design method based on parameterized magnetic steel model

An optimization design and parameterization technology, applied in the manufacture of motor generators, electrical components, electromechanical devices, etc., can solve the problem of increased multi-objective optimization convergence time, increased multi-objective optimization uncertainty and error, and does not consider the impact of output performance relationship and other issues, to achieve the effects of shortening design time, fast convergence, and low cost

Pending Publication Date: 2021-04-27
苏州英磁新能源科技有限公司
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Problems solved by technology

However, most of the analytical expression function clusters used in its multi-objective optimization are obtained by induction, which increases the uncertainty and error of multi-objective optimization. Increased optimization convergence time

Method used

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  • Motor optimization design method based on parameterized magnetic steel model
  • Motor optimization design method based on parameterized magnetic steel model
  • Motor optimization design method based on parameterized magnetic steel model

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Embodiment

[0051] A motor optimization design method based on parametric magnetic steel model, refer to figure 1 , in this embodiment, the built-in V-shaped magnetic steel motor is used as an object to illustrate its implementation process, which specifically includes the following steps:

[0052] S100. Analyze the required performance of the motor, wherein the required performance of the motor includes the speed and power characteristics of the motor, temperature rise performance, NVH performance, and size requirements.

[0053] S200. Preliminarily determine the framework of the design scheme according to the required performance of the motor, and initially select the topological structure of the motor stator, including the outer diameter of the stator, the length of the iron core, the winding mode and the length of the air gap.

[0054] S300, calculate tank full rate, heat load and current density.

[0055] S400. Select the structural parameters that affect the output performance of t...

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Abstract

The invention discloses a motor optimization design method based on a parameterized magnetic steel model, and relates to the field of motor design. According to the technical scheme, the method is characterized by comprising the steps: S400, selecting structural parameters influencing the output performance of a motor as construction objects, and establishing a parameterized finite element model; S500, selecting a multi-objective optimization parameter range by adopting a local parameter scanning method and taking correlated variables as a combination according to an interval where the optimal performance of multiple performances of the motor is located; and S600, in the simulation platform, based on a multi-objective optimization algorithm, selecting a plurality of optimization design variables from the parameterized finite element model, taking the multi-objective optimization parameter range in the step S500 as a variable optimization interval, calculating motor performance parameters matched with a plurality of motor topological structures, and selecting an optimal design by using a plurality of objective weighting modes. According to the invention, the multi-objective optimization time is effectively shortened through the combined design of electromagnetism, heat and structure, so that the output performance of the motor meets the design requirements.

Description

technical field [0001] The invention relates to the field of motor design, more specifically, it relates to a method for optimal design of a motor based on a parametric magnetic steel model. Background technique [0002] With the rapid development of new energy vehicle drive technology, the topological structure of motors used in vehicle power drive systems tends to be diversified and complex. Among them, permanent magnet synchronous motors are used because of their superior performance such as high power density, high efficiency and easy control. widely. In order to improve the comprehensive performance of automobile power, economy and smoothness, the permanent magnet synchronous motor used in new energy vehicles should have low cost, low noise and high efficiency while meeting the requirements of power, torque and speed regulation range. . [0003] Due to the diverse and complex topology of permanent magnet synchronous motors, these performances are often coupled or cont...

Claims

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Application Information

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IPC IPC(8): H02K15/03
CPCH02K15/03
Inventor 裴瑞琳施俊生郑杭兵丁宇
Owner 苏州英磁新能源科技有限公司
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