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- Title
Analysis on the vibration modes of the electric vehicle motor stator.
- Authors
HuiBin Li; Da Zhang; PeiYun Xu; Cheng Cao; DongMei Hu; XiaoJun Yan; Zhihuan Song; Zhihong Hu
- Abstract
The lightweight design of the electric vehicle motor brought about more serious vibration and noise problem of the motor. An accurate modal calculation was the basis for the study of the vibration and noise characteristics of the electric vehicle motor. The finite element method was used to perform the modal simulation of the PMSM. Through the reasonable simplification and equivalence of the motor stator model, the first 7 orders natural frequencies and corresponding modes of the motor stator under the free state were calculated. After that, the accuracy of the finite element model was verified by the hammering modal experiment of the prototype. Furthermore, the above results will provide the theoretical basis for the electric vehicle motor’s vibration control and NVH improvement.
- Subjects
ELECTRIC motors; ELECTRIC vehicles; MOTOR vehicles; STATORS
- Publication
Vibroengineering Procedia, 2019, Vol 22, p81
- ISSN
2345-0533
- Publication type
Article
- DOI
10.21595/vp.2019.20555