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Proceedings Article

A novel method of gross error identification in non-diffracting beam triangulation measurement system

[+] Author Affiliations
Zhongyu Wang

Tsinghua Univ. (China) and Beihang Univ. (China)

Qian Wang

Beihang Univ. (China)

Xue Wang

Tsinghua Univ. (China)

Proc. SPIE 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering, 79971D (May 26, 2011); doi:10.1117/12.887229
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From Conference Volume 7997

  • Fourth International Seminar on Modern Cutting and Measurement Engineering
  • Jiezhi Xin; Lianqing Zhu; Zhongyu Wang
  • Beijing, China | December 10, 2010

abstract

In the small sample problem, the data distribution is unknown and the traditional methods are complicated. In order to address the small sample problem, it combines the grey accumulated generating operation with the GM (1, 1) model in this article. This method is applied in the non-diffracting beam triangulation measurement system and compared with the original methods. The result shows that the novel method can remove the abnormal data reasonably and quickly. In the large sample problem, the new method can gain the same result as the statistical methods. In the small sample problem, the proposed method can overcome the shortages of the existing evaluation methods and can be one of complements for the original methods.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Zhongyu Wang ; Qian Wang and Xue Wang
"A novel method of gross error identification in non-diffracting beam triangulation measurement system", Proc. SPIE 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering, 79971D (May 26, 2011); doi:10.1117/12.887229; http://dx.doi.org/10.1117/12.887229


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