| 摘要 |
A magnetostrictive sensor to sense force or torque applied to a structural element to which the magnetostrictive sensor is non-invasively attached by a fixed, intimate contact therewith. The sensor consists of single continuous magnetostrictive layer in operable contact with a coil excited source of magnetic flux. A force or torque applied to the structural element produces a stress transferred to the single continuous magnetostrictive layer, thereby varying the magnetic permeability of the single continuous magnetostrictive layer. The change in the magnetic flux produces a change in the inductance and impedance of the coil, and thereby a detectable change in the voltage across the coil. |
