The basic examination of the magnetic shielding structure to use for a magnetic rotation angle sensor

Takeshi Musha*, Hiroshi Inujima

*この研究の対応する著者

研究成果査読

抄録

The magnetic rotation angle sensor has more merits such as small-sized, low-cost, and the low-power consumption than the optical sensor. But the magnetic rotation angle sensor has the demerit to be weak to the disturbance magnetic field applied from outside the sensor, so the magnetic rotation angle sensor needs magnetic shielding structure. We proposed the magnetic shielding structure of the parallel plate type that is the simpler technique to the magnetic shielding structure of enclosing the whole sensor with the magnetic substance. We confirmed that the parallel plate type has almost the same shielding performance as the magnetic shielding structure of enclosing the whole sensor with the magnetic substance at the magnetic detecting device. We have made a prototype and evaluated angle detection error with the disturbance magnetic field. As a result, we confirmed that the error is 0.06° when 10 mT disturbance magnetic fields hang over the sensor.

本文言語English
ページ(範囲)3-10
ページ数8
ジャーナルElectronics and Communications in Japan
102
5
DOI
出版ステータスPublished - 2019 5

ASJC Scopus subject areas

  • 信号処理
  • 物理学および天文学(全般)
  • コンピュータ ネットワークおよび通信
  • 電子工学および電気工学
  • 応用数学

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