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

Takeshi Musha, Hiroshi Inujima

研究成果: Article

抜粋

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.

元の言語English
ジャーナルElectronics and Communications in Japan
DOI
出版物ステータスPublished - 2019 1 1

ASJC Scopus subject areas

  • Signal Processing
  • Physics and Astronomy(all)
  • Computer Networks and Communications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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