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A study on design process of BLDC motor for fuel pump with skewed magnetizing fixture
- Authors
- 권병일
- Issue Date
- Nov-2009
- Publisher
- IEEE
- Keywords
- Simulation time; Loading distribution; DC motors; Back-emf; Magnetization process; Electric machinery; Two dimensional; Magnetizing fixtures; Optimization; BLDC motors; Optimal design; Analysis results; Cogging torque; Design; Finite element method; Desig
- Citation
- The 12th International Conference on Electrical Machines and Systems
- Journal Title
- The 12th International Conference on Electrical Machines and Systems
- Abstract
- This paper deals with the design process of brushless dc (BLDC) motor considering with the magnetization process included the skewed magnetizing fixture. The optimal design is also conducted to compensate the reduced back-EMF due to the skewed PM. The BLDC motor is designed by the loading distribution method and the skewed PM is analyzed 3D FEM. In addition, to reduce the simulation time of 3D FEM, a skew coefficient calculated by comparing with the analysis result of non-skewed PM by 2D FEM is utilized. The response surface method (RSM) combined the skew coefficient is used to effectively compensate the reduced back-EMF of the BLDC motor by 2D FEM. It has been shown that the presented method can effectively reduce the cogging torque and compensate the decreased back-EMF.
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