Measurement of Frequency Response of Giant Magnetostrictive Material by Use of M-transform

  • Published : 2003.10.22

Abstract

In this paper, impulse response of giant magnetostrictive material (GMM) is identified by using M-transform. First, the displacement of GMM was measured by using the dual frequency laser interferometer. The noise included in the measured signal was removed by using M-transform. The impulse response of the GMM was identified from the input current of the driving coil and the displacement.

Keywords