차량용 전기모터 하우징의 진동 저감에 관한 연구Study on Vibration Reduction in Electric Motor Housing for Vehicle
- Other Titles
- Study on Vibration Reduction in Electric Motor Housing for Vehicle
- Authors
- 이현우; 장우재; 김재성; 정진태
- Issue Date
- Apr-2024
- Publisher
- 한국소음진동공학회
- Keywords
- Permanent Magnet Synchronous Motor; Modal Analysis; Finite Element Analysis; Motor Vibration; 영구자석형 전동기; 모드해석; 유한요소해석; 모터 진동
- Citation
- 한국소음진동공학회논문집, v.34, no.2, pp 166 - 172
- Pages
- 7
- Indexed
- KCI
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 34
- Number
- 2
- Start Page
- 166
- End Page
- 172
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/118905
- ISSN
- 1598-2785
2287-5476
- Abstract
- In this study, we experimentally investigated the vibration generated in the housing of a permanent magnet synchronous motor and proposed a design guideline for reducing this vibration by establishing a finite element model of the motor. We acquired the frequency spectra of the vibration signals at various rotational speeds of the motor and identified the excitation frequencies induced by the electromagnetic force of the motor. In addition, the natural frequencies and mode shapes of the motor were obtained through modal testing, and an operational deflection shape analysis was conducted to analyze the dynamic behavior of the motor during operation. The resonance of the motor housing was identified using signal and dynamic characteristic analyses. To reduce vibration, a finite element model that considered the main components and structure of the motor was established, and a vibration reduction method was proposed that involved improving the motor housing structure.
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