Analyse eines fehlerkompensierten Lasertriangulationssystems

Patrick Kienle; Nicholas E. Fest; Agnia D. Larasati; Kun Wang; Michael H. Köhler; Martin Jakobi; Alexander W. Koch

doi:10.1515/teme-2021-0060

Analyse eines fehlerkompensierten Lasertriangulationssystems

Translated title of the contribution: Investigation of an error-compensated laser triangulation system

Patrick Kienle, Nicholas E. Fest, Agnia D. Larasati, Kun Wang, Michael H. Köhler, Martin Jakobi, Alexander W. Koch

Chair of Measurement Systems and Sensor Technology

Technical University of Munich

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Laser triangulation is an important and frequently used measurement method for absolute distance measurement. One of the major problem is that it is very susceptible to shifts in the optomechanical assembly. Thus, even small temperature changes can lead to significant measurement deviations. In this work, a compensation setup is analyzed that can eliminate major error sources in laser triangulation. Through thermal simulations, it is shown that the compensation can achieve a significant improvement of the measurement results in the case of temperature changes under real conditions. The measurement error can be further reduced by extending the compensation with a prediction of the compensation optics displacement.

Translated title of the contribution	Investigation of an error-compensated laser triangulation system
Original language	German
Pages (from-to)	S59-S64
Journal	Technisches Messen
Volume	88
Issue number	S1
DOIs	https://doi.org/10.1515/teme-2021-0060
State	Published - 1 Sep 2021

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abstract = "Laser triangulation is an important and frequently used measurement method for absolute distance measurement. One of the major problem is that it is very susceptible to shifts in the optomechanical assembly. Thus, even small temperature changes can lead to significant measurement deviations. In this work, a compensation setup is analyzed that can eliminate major error sources in laser triangulation. Through thermal simulations, it is shown that the compensation can achieve a significant improvement of the measurement results in the case of temperature changes under real conditions. The measurement error can be further reduced by extending the compensation with a prediction of the compensation optics displacement.",

keywords = "Distance measurement, Error compensation, Laser triangulation, Measurement deviation",

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AU - Kienle, Patrick

AU - Fest, Nicholas E.

AU - Larasati, Agnia D.

AU - Wang, Kun

AU - Köhler, Michael H.

AU - Jakobi, Martin

AU - Koch, Alexander W.

PY - 2021/9/1

Y1 - 2021/9/1

N2 - Laser triangulation is an important and frequently used measurement method for absolute distance measurement. One of the major problem is that it is very susceptible to shifts in the optomechanical assembly. Thus, even small temperature changes can lead to significant measurement deviations. In this work, a compensation setup is analyzed that can eliminate major error sources in laser triangulation. Through thermal simulations, it is shown that the compensation can achieve a significant improvement of the measurement results in the case of temperature changes under real conditions. The measurement error can be further reduced by extending the compensation with a prediction of the compensation optics displacement.

AB - Laser triangulation is an important and frequently used measurement method for absolute distance measurement. One of the major problem is that it is very susceptible to shifts in the optomechanical assembly. Thus, even small temperature changes can lead to significant measurement deviations. In this work, a compensation setup is analyzed that can eliminate major error sources in laser triangulation. Through thermal simulations, it is shown that the compensation can achieve a significant improvement of the measurement results in the case of temperature changes under real conditions. The measurement error can be further reduced by extending the compensation with a prediction of the compensation optics displacement.

KW - Distance measurement

KW - Error compensation

KW - Laser triangulation

KW - Measurement deviation

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ER -

Analyse eines fehlerkompensierten Lasertriangulationssystems

Abstract

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