Optimal Design of a BLDC Motor Considering Three-Dimensional Structures Using the Response Surface Methodology

Seong-Tae Jo, Hyo-Seob Shin, Young-Geun Lee, Ji-Hun Lee and Jang-Young Choi
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Seong-Tae Jo: Department of Electrical Engineering, Chungnam National University, Daejeon 305-764, Korea
Hyo-Seob Shin: Department of Electrical Engineering, Chungnam National University, Daejeon 305-764, Korea
Young-Geun Lee: Department of Electrical Engineering, Chungnam National University, Daejeon 305-764, Korea
Ji-Hun Lee: Department of Electrical Engineering, Chungnam National University, Daejeon 305-764, Korea
Jang-Young Choi: Department of Electrical Engineering, Chungnam National University, Daejeon 305-764, Korea

Energies, 2022, vol. 15, issue 2, 1-13

Abstract: In this paper, the optimal design of a brushless direct current motor with a three-dimensional (3D) structure using the response surface methodology (RSM) is presented. There were two optimization goals: reduction of the cogging torque and maintenance of the back electromotive force to prevent performance degradation. For motors with a 3D structure, a 3D finite element method analysis is essential, though it requires considerable computation time. Therefore, to reduce the optimal design time, the 3D structure was placed on the 2D plane. Thereafter, a 2D corrected model was applied to the RSM. For the validity of the technique, the analysis results of the initial 3D model, 2D model, and 2D corrected model were compared, and the results of the optimal design 3D model, 2D corrected model, and experiment were compared.

Keywords: BLDC motor; magnet overhang; housing-integrated rotor; 2D equivalent; response surface methodology; computation time (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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