Design Modification and Analysis of Brushless Direct-Current Axial Fan Motor Stator Using Taguchi and One-Factor-At-A-Time Method

Ming-Hung Lin; Cheng-Che Yang; Bo-Wun Huang; Jyun-Yi Lin; Cheng-Yi Chen

doi:10.46604/ijeti.2024.13595

Authors

Ming-Hung Lin Department of Electrical Engineering, Cheng Shiu University, Kaohsiung, Taiwan, ROC
Cheng-Che Yang Institute of Mechatronic Engineering, Cheng Shiu University, Kaohsiung, Taiwan, ROC
Bo-Wun Huang Institute of Mechatronic Engineering, Cheng Shiu University, Kaohsiung, Taiwan, ROC
Jyun-Yi Lin Department of Mechanical Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, Taiwan, ROC
Cheng-Yi Chen Department of Electrical Engineering, Cheng Shiu University, Kaohsiung, Taiwan, ROC

DOI:

https://doi.org/10.46604/ijeti.2024.13595

Keywords:

cogging torque, back electromotive force, brushless direct-current motor, axial fan motor

Abstract

This paper introduces a novel approach utilizing Altair Flux software for electromagnetic finite element simulation and analyses of cogging torque and back electromotive force (BEMF) without altering the rotor conditions. This investigation aims to understand the effects on the design of brushless direct current (BLDC) axial fan motors. The Altair HyperStudy optimal software is used to conduct the Taguchi experimental method to analyze the influence of critical factors in motor stator design. Subsequently, the one-factor-at-a-time method proposed in this paper is applied to find the optimal motor geometry stator design satisfying the requirements. Eventually, an experimental motor is established and compared with a commercial 9SG5748P5G01 BLDC axial fan motor. The BEMF is resultantly smaller than the 9SG5748P5G01 motor. Furthermore, the disparity between the experimental and simulation analysis results is minimal with consistent findings. The motor stator design and simulation analysis methods can potentially support the motor design.

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