Improvement and Error Analysis of Spring Tube Stiffness Measurement

Abstract:

This article analyzes the deviation of existing stiffness measurement method and comes to the main components of the measurement error. Focus on the influence of the bending deformation all of aspects and contact deformation between the various links to the measurement accuracy. Establish the relationship between the actual deformation and the measured deformation to the spring tube through homogeneous coordinate transformation and finite element analysis, in order to identify the error sources impact on the measurement greatest, and improve the measure methods to against the main error source, eliminate the influence of the main error source to the stiffness measurement, then achieve the purpose of improving the measure accuracy.

• Periodical: Key Engineering Materials (Volume 621)
• Pages: 443-449
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.621.443
• Online since: August 2014
• Authors: Wen Xuan Liu*, Hui Feng Wang, Guang Lin Wang, Dong Xiang Shao
• Keywords: Error Analysis, Finite Element Analysis (FEA), Homogeneous Coordinate Transformation

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