Detection of Gross Measurement Errors Using the Grey System Method |
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Authors: | Z Wang Y Gao P Qin |
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Affiliation: | (1) Luoyang Institute of Technology, Luoyang, China, CN;(2) Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, HK;(3) Xi’an Jiaotong University, Xi’an, China, CN |
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Abstract: | A novel method using the grey system to detect the gross errors involved in a measurement process is proposed. Although the
gross errors should be avoided completely, they can occur and on many occasions are not apparent. The grey system theory is
used to characterise the geometric aspects in the measurement. Theoretical analysis of the principle of gross error detection
is presented and a detection criterion is proposed. An experimental test shows that the proposed method compares favourably
with statistical methods which are difficult to implement when the distribution of the data is unknown and the sample size
is small. |
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Keywords: | : Detection Grey system method Gross errors Measurement |
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