A new torque transducer using stress sensitive amorphous ribbons

K. Harada, I. Sasada, T. Kawajiri, M. Inoue

研究成果: Contribution to journalArticle査読

39 被引用数 (Scopus)


A new torque transducer of the nonContact type employing the magnetostrictive effect is presented. In this torque transducer, two stress-sensitive amorphous ribbons are glued to a torsion bar which is used as a part of the shaft. Unidirectional magnetqelastic magnetic anisotropy is created in each ribbon in such a manner that one of the anisotropies lies along 45° to the shaft axis and another along -45°. The applied torque is detected as a difference in permeability between the amorphous ribbons by an ac bias field. The amorphous ribbon used in experiments is of Fe-Si-B system whose saturation magnetostriction Xs ≃ 24xl0-6 and IS≃1.5T. With this torque transducer, instantaneous torque as well as static torque is detected with sufficient accuracy. Due to the easy-to-mount structure, this torque transducer is well suited for the torque control application.

ジャーナルIEEE Transactions on Magnetics
出版ステータス出版済み - 1 1 1982

All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学


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