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Research on the influence of background light on the accuracy of a three-dimensional coordinate measurement system based on dual-PSD

Xiaohong Lu (Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China)

Yu Zhou (Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China)

Jinhui Qiao (Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China)

Yihan Luan (Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China)

Yongquan Wang (Key Laboratory for Precision and Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, China)

Engineering Computations

ISSN: 0264-4401

Article publication date: 18 June 2020

Issue publication date: 27 January 2021

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Abstract

Purpose

The purpose of this paper is to analyze the measurement error of a three-dimensional coordinate measurement system based on dual-position-sensitive detector (PSD) under different background light.

Design/methodology/approach

The mind evolutionary algorithm (MEA)-back propagation (BP) neural network is used to predict the three-dimensional coordinates of the points, and the influence of the background light on the measurement accuracy of the three-dimensional coordinates based on PSD is obtained.

Findings

The influence of the background light on the measurement accuracy of the system is quantitatively calculated. The background light has a significant influence on the prediction accuracy of the three-dimensional coordinate measurement system. The optical method, electrical method and photoelectric compensation method are proposed to improve the measurement accuracy.

Originality/value

BP neural network based on MEA is applied to the coordinate prediction of the three-dimensional coordinate measurement system based on dual-PSD, and the influence of background light on the measurement accuracy is quantitatively analyzed.

Keywords

Acknowledgements

The research was supported by the National Natural Science Foundation of China under Grant No. 51875080, the Fundamental Research Funds for the Central Universities under Grant No. DUT20ZD204 and Liaoning Natural Science Foundation Project under Grant No. 2019-MS-038. The financial contributions are gratefully acknowledged.

Citation

Lu, X., Zhou, Y., Qiao, J., Luan, Y. and Wang, Y. (2021), "Research on the influence of background light on the accuracy of a three-dimensional coordinate measurement system based on dual-PSD", Engineering Computations, Vol. 38 No. 1, pp. 242-265. https://doi.org/10.1108/EC-02-2020-0081

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Emerald Publishing Limited

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Research on the influence of background light on the accuracy of a three-dimensional coordinate measurement system based on dual-PSD

Abstract

Purpose

Design/methodology/approach

Findings

Originality/value

Keywords

Acknowledgements

Citation

Publisher

Related articles

To read this content please select one of the options below:

Please note you do not have access to teaching notes

Abstract

Purpose

Design/methodology/approach

Findings

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Keywords

Acknowledgements

Citation

Publisher

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