차분진화 알고리즘을 이용한 IPM형 BLDC전동기의 Notch 형상 최적화 설계 연구An Optimal Design of Notch Shape of IPM BLDC Motor Using the Differential Evolution Strategy Algorithm
- Other Titles
- An Optimal Design of Notch Shape of IPM BLDC Motor Using the Differential Evolution Strategy Algorithm
- Authors
- 신판석; 김홍욱
- Issue Date
- 2016
- Publisher
- 대한전기학회
- Keywords
- BLDC motor; Notch design; Cogging torque; Differential evolution strategy; IPMSM; Optimization technique
- Citation
- 전기학회논문지, v.65, no.2, pp.279 - 285
- Journal Title
- 전기학회논문지
- Volume
- 65
- Number
- 2
- Start Page
- 279
- End Page
- 285
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/8717
- DOI
- 10.5370/KIEE.2016.65.2.279
- ISSN
- 1975-8359
- Abstract
- In this paper, a cogging torque of IPM(Interior Permanent Magnet)-type BLDC motor is analyzed by FE program and the optimized notch on the rotor surface is designed to minimize the torque ripple. A differential evolution strategy algorithm and a response surface method are employed to optimize the rotor notch. In order to verify the proposed algorithm, an IPM BLDC motor is used, which is 50 kW, 8 poles, 48 slots and 1200 rpm at the rated speed. Its characteristics of the motor is calculated by FE program and 4 design variables are set on the rotor notch. The initial shape of the notch is like a non-symmetric half-elliptic and it is optimized by the developed algorithm. The cogging torque of the final model is reduced to 1.5[N·m] from 5.2[N·m] of the initial, which is about 71 % reduction. Consequently, the proposed algorithm for the cogging torque reduction of IPM-type BLDC motor using the rotor notch design seems to be very useful to a mechanical design for reducing noise and vibration.,
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