Design and analysis of a column type multi-component force/moment sensor

A sensing element of column type was devised as a multi-component force/moment sensor by attaching strain gages. The ratio of length over diameter (L/D) for the sensing element was designed analytically and verified by finite element analysis. In order to reduce the interference error of each loadin...

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Bibliographic Details
Published in:Measurement : journal of the International Measurement Confederation 2003-04, Vol.33 (3), p.213-219
Main Authors: Kim, J.H., Kang, D.I., Shin, H.H., Park, Y.K.
Format: Article
Language:English
Subjects:
Column type
Decoupling
Exact sciences and technology
FEM
Force/moment
Instruments for strain, force and torque
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Mechanical instruments, equipment and techniques
Physics
Strain gage
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Summary:A sensing element of column type was devised as a multi-component force/moment sensor by attaching strain gages. The ratio of length over diameter (L/D) for the sensing element was designed analytically and verified by finite element analysis. In order to reduce the interference error of each loading component, this paper proposed a decoupling method with the addition and subtraction processes using signals of strain gages. Finally the calibration showed that the interference error of F x component was less than 7.3% FS, and in case of other components, 5.0% FS.
ISSN:0263-2241
1873-412X
DOI:10.1016/S0263-2241(02)00044-1