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Geometrical Model of Laser Triangulation System Based on Synchronized Scanners

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  • Dawei Tu
  • Pan Jin
  • Xu Zhang

Abstract

In traditional synchronized scanning system, the trajectory of the 3D scanning point is modeled as a circle when the thickness of rotated mirror is assumed to be zero. In this paper, a novel method to model the geometric measurement of synchronized scanning triangulation in the unfolded light path is proposed. Unlike most existing recent works, the 3D coordinate of the target is reasoned from the geometrical model, which includes all 14 system parameters. Further, the performance of the system precision can be analyzed and the importance of the thickness of rotated mirror is confirmed. In the experiment, a synchronized scanning system is developed. The experimental result demonstrates that the value of measurement uncertainty at a distance of 0.5m is 0.75mm and at a distance of 5m is 6.68mm. The standard deviations from the measurement point to the fitting plane at a distance of 0.5 m and 5 m are 1.10 mm and 19.73 mm, respectively.

Suggested Citation

  • Dawei Tu & Pan Jin & Xu Zhang, 2019. "Geometrical Model of Laser Triangulation System Based on Synchronized Scanners," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-10, March.
    • Handle: RePEc:hin:jnlmpe:3503192
    DOI: 10.1155/2019/3503192
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    Cited by:

    1. Huang, Zhi Meng & Liang, Yan Min, 2020. "Digital protection and inheritance of ancient villages in southwest minority areas under the strategy of rural revitalization," Technological Forecasting and Social Change, Elsevier, vol. 160(C).

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