고장진단을 위한 영구자석형 동기모터 유한요소 모델 개발open accessA Study on the Finite Element Model of a Permanent Magnet Synchronous Motor for Fault Diagnosis
- Other Titles
- A Study on the Finite Element Model of a Permanent Magnet Synchronous Motor for Fault Diagnosis
- Authors
- 이현승; 손세호; 정다연; 오기용; 전병찬; 선경호
- Issue Date
- May-2023
- Publisher
- 한국정밀공학회
- Keywords
- Permanent magnet synchronous motor; Finite element method; Electromagnetic analysis; Fault diagnosis; 영구자석형 동기모터; 유한요소법; 전자기 해석; 고장 진단
- Citation
- 한국정밀공학회지, v.40, no.5, pp.353 - 360
- Indexed
- SCOPUS
KCI
- Journal Title
- 한국정밀공학회지
- Volume
- 40
- Number
- 5
- Start Page
- 353
- End Page
- 360
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/188756
- DOI
- 10.7736/JKSPE.023.016
- ISSN
- 1225-9071
- Abstract
- This paper proposes a high-fidelity finite element model of a permanent synchronous motor (PMSM) to predict electromagnetic responses. The proposed method aims to generate electromagnetic responses from the PMSM under various operational conditions—including normal and faulty conditions—by coupling several partial differential equations governing the electromagnetics of a PMSM. The rotor eccentricity is considered to be a representative fault of a PMSM, which has electromagnetic characteristics that differ from the healthy state of a PMSM. Note that eccentricity is the most frequent fault during PMSM operation. Therefore, the proposed model could replicate the defected torque responses of an actual motor system. The effectiveness of the proposed model is validated using measurements from a PMSM test bench. Quantitative comparison reveals that the proposed model could replicate both the transient- and steady-state torque responses of the PMSM of interest at a variety of operational conditions, including a faulty status. The proposed model could be used to generate virtual electromagnetic responses of a PMSM, which could be used for data-driven fault detection methods of electric motor systems.
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