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3D Electromagnetic Analysis of Magnetic Sensor for Improvement of Motor

모터의 성능향상을 위한 마그네틱 센서의 3차원 전자장 해석

  • Shim, Sang-Oh (Department of Business Administration and Accounting, Hanbat National University) ;
  • Kim, Ki-Chan (Department of Electrical Engineering, Hanbat National University)
  • 심상오 (국립한밭대학교 경영회계학과) ;
  • 김기찬 (국립한밭대학교 전기공학과)
  • Received : 2013.03.08
  • Accepted : 2013.05.09
  • Published : 2013.05.31

Abstract

This paper deals with an optimal angle error reduction method of magnetic hall sensor using hall effect elements with yoke. The magnetic position sensor is required to generate ideal sine and cosine waveforms from its hall effect elements according to rotation angle for precise angle information. However, the output signals are easy to include harmonics due to uneven magnetic field distribution from disturbance in the vicinity of hall effect elements. Thus, The paper studies a way which makes sine and cosine waveforms robust in disturbance and reduces harmonics by installing a yoke around Hall effect elements. The angle detection simulation for the magnetic hall sensor is performed by 3 dimensional finite element method and Taguchi method, one of the design of experiments. For the Taguchi method, three design parameters related to position of hall effect elements and shape of hall effect element yoke are selected.

Keywords

Angle Error;Magnetic Noise;Magnetic Sensor;3D FEM Analysis

Acknowledgement

Supported by : 국립한밭대학교

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