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2016•Unpublished venueOpen access

Effects Of Measuring Instrument And Measuring Points On Circular Coordinate Measurement Precision

Jun Wu, Li-Chang Zhu, Ming Li, Zhu-Lei Feng, Yang Yang, Qingyue Wei

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Abstract

There are many uncertainties influencing the precision of coordinate measurement, most of which can be detected and compensated according to ISO 10360.However the effects of measuring instrument accuracy and information of measuring points including number and distribution are not duly researched.There's few reference for measurement personnel to reduce the effects.In this paper three experiments are provided to explore the effects of measuring instrument accuracy and measuring points' distribution on circular coordinate measurement precision.With the analysis of the data acquired by hundred thousand simulations with Matlab we find out the precision variation tendency of each impact factor.The analysis offers a standard of measuring instrument accuracy and measuring point's selection.

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What this paper is about

There are many uncertainties influencing the precision of coordinate measurement, most of which can be detected and compensated according to ISO 10360.However the effects of measuring instrument accuracy and information of measuring points including number and distribution are not duly researched.There's few reference for measurement personnel to reduce the effects.In this paper three experiments are provided to explore the effects of measuring instrument accuracy and measuring points' distribution on circular coordinate measurement precision.With the analysis of the data acquired by hundred thousand simulations with Matlab we find out the precision variation tendency of each impact factor.The analysis offers a standard of measuring instrument accuracy and measuring point's selection.

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Available abstract

There are many uncertainties influencing the precision of coordinate measurement, most of which can be detected and compensated according to ISO 10360.However the effects of measuring instrument accuracy and information of measuring points including number and distribution are not duly researched.There's few reference for measurement personnel to reduce the effects.In this paper three experiments are provided to explore the effects of measuring instrument accuracy and measuring points' distribution on circular coordinate measurement precision.With the analysis of the data acquired by hundred thousand simulations with Matlab we find out the precision variation tendency of each impact factor.The analysis offers a standard of measuring instrument accuracy and measuring point's selection.

Key concepts: Measurement uncertainty, Measuring instrument, Computer science, Observational error, System of measurement, Mathematics, Physics, Statistics

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