6 March 2015 Design of a data acquisition system of articulated arm coordinate measuring machines
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Proceedings Volume 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation; 94461T (2015) https://doi.org/10.1117/12.2180840
Event: International Symposium on Precision Engineering Measurement and Instrumentation, 2014, Changsha/Zhangjiajie, China
Abstract
A novel cylindrical capacitive sensor (CCS) with differential, symmetrical and integrated structure was proposed to measure multi-degree-of-freedom rotation errors of high precision spindle simultaneously and to reduce impacts of multiple-sensors installation errors on the measurement accuracy. The nonlinear relationship between the output capacitance of CCS and the radial gap was derived using the capacitance formula and was quantitatively analyzed. It was found through analysis that the thickness of curved electrode plates led to the existence of fringe effect. The influence of the fringe effect on the output capacitance was investigated through FEM simulation. It was found through analysis and simulation that the CCS could be optimized to improve the measurement accuracy.
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Huiping Yang, Huiping Yang, Guanbin Gao, Guanbin Gao, Wen Wang, Wen Wang, } "Design of a data acquisition system of articulated arm coordinate measuring machines", Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 94461T (6 March 2015); doi: 10.1117/12.2180840; https://doi.org/10.1117/12.2180840
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