Nonlinear Optimization of Structure and Calibration for Scattered Triangulation Laser Displacement Measurement

Guang Yong Yang; Shui Jin Chen; Guo Qing Hu; Jian Wei Zhang

doi:10.4028/www.scientific.net/AMR.204-210.695

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 204-210Nonlinear Optimization of Structure and...

Nonlinear Optimization of Structure and Calibration for Scattered Triangulation Laser Displacement Measurement

Abstract:

The nonlinear output properties of scattered triangulation laser displacement measurement sensors with charged-coupled devices (CCDs) ware analyzed and optimized. In order to improve the high measurement precision and performance of the displacement and inclination for an object surface, dynamic skewness was regarded as coefficient for weighted linear optimization fitting algorithm to calculate the displacement instead of the averaging method; kurtosis was used to select the minimum and maximum of asymmetric distribution for inclination calculation. And, a novel calibration framework, which configured with a stepped motor to correct the discrepancy and update the coordination origin for CCD array, was introduced.

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Periodical:

Advanced Materials Research (Volumes 204-210)

Pages:

695-698

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.204-210.695

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Online since:

February 2011

Authors:

Guang Yong Yang, Shui Jin Chen, Guo Qing Hu, Jian Wei Zhang

Keywords:

Calibration Framework, Kurtosis, Non-Linear Optimization, Scattered Triangulation Laser Displacement Sensor, Skewness

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References

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