Analysis of angle measurement uncertainty for wMPS

Lei Geng; Jigui Zhu; Xueyou Yang; Zhi Xiong

doi:10.1117/12.885389

28 December 2010 Analysis of angle measurement uncertainty for wMPS

Lei Geng, Jigui Zhu, Xueyou Yang, Zhi Xiong

Proceedings Volume 7544, Sixth International Symposium on Precision Engineering Measurements and Instrumentation; 754403 (2010) https://doi.org/10.1117/12.885389
Event: Sixth International Symposium on Precision Engineering Measurements and Instrumentation, 2010, Hangzhou, China

Abstract

Workspace Measurement Position System (wMPS) is a newly developed laser based measuring system for large scale metrology. Initially, theoretical definition of metrology process models of wMPS is described and uncertainties are propagated from internal parameters using Monte Carlo simulation in which uncertainty decreases with sampling duration. Angular uncertainty is affected by internal parameters pointed out by mathematical model and experiments are then carried out to determine the actual uncertainty in the azimuth and elevation in order to select appropriate parameters to design the measuring system. Experiment results reveal that wMPS has the ability of accurate measurement for large volume and the uncertainty is less affected by the working volume. Measuring results shows wMPS designed based on the parameters achieves relative high measuring precision.

Citation Download Citation

Lei Geng, Jigui Zhu, Xueyou Yang, and Zhi Xiong "Analysis of angle measurement uncertainty for wMPS", Proc. SPIE 7544, Sixth International Symposium on Precision Engineering Measurements and Instrumentation, 754403 (28 December 2010); https://doi.org/10.1117/12.885389

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