A Novel Integrated Portable Elasticity Measurement System

Hsing Cheng Chang; Chung Chien Chiang; San Shan Hung; Shyan Lung Lin; Shu Chun Liao; Chang Hsiung Chen

doi:10.4028/www.scientific.net/AMM.397-400.1728

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 397-400A Novel Integrated Portable Elasticity Measurement...

A Novel Integrated Portable Elasticity Measurement System

Abstract:

A low cost novel integrated portable elasticity measurement system is developed by using strain gauges and photoconductive sensors on a coaxial movement mechanism for processing signal of force and displacement synchronously. Real-time acquisition data are averaged to reduce transmission delay for assuring signal taken exactly and synchronously. Switching circuit modules connected to the multiplexer are designed for processing nonlinear sensing data using a piecewise linear technology. An experimental study of force, displacement and elasticity is undertaken to illustrate the adjustment operation of tapping keys in alto saxophones. Experimental results show that the resolution and operation range of displacement and force are 0.1 mm in the range of 0 to 40 mm and 10 g in the range of 0 to 1000 g, respectively. The average error of the elasticity in real-time measurement is 2.07 %. The application of tapping keys adjustment using the system are outlined and discussed in three-zone elasticity models.

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Periodical:

Applied Mechanics and Materials (Volumes 397-400)

Pages:

1728-1732

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.397-400.1728

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Online since:

September 2013

Authors:

Hsing Cheng Chang, Chung Chien Chiang, San Shan Hung, Shyan Lung Lin, Shu Chun Liao, Chang Hsiung Chen

Keywords:

Elasticity Analysis, Force-and-Displacement Measurement, Synchronous Mechanism, Tapping Key Adjustment

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