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Koichi Maru
Department of Electronic Engineering, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma, 376-8515, JAPAN
Astronomy Computer Science & IT Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering

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Precision Mechanical Measurement Using the Levitation Mass Method (LMM) Yusaku Fujii; Tao Jin; Koichi Maru
Indonesian Journal of Physics Vol 22 No 1 (2011): Vol. 22 No. 1, January 2011
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (729.776 KB) | DOI: 10.5614/itb.ijp.2011.22.1.1

Abstract

The present status and the future prospects of a method for precision mass and force measurement, the levitation mass method (LMM), are reviewed. The LMM has been proposed and improved by the authors. In the LMM, the inertial force of a mass levitated using a pneumatic linear bearing is used as the reference force applied to the objects under test, such as force transducers, materials or structures. The inertial force of the levitated mass is measured using an optical interferometer. The three typical applications of the LMM, i.e. the dynamic force calibration, the micro force material tester and the space scale, are reviewed in this paper.
Co-Authors Tao Jin Yusaku Fujii