Visible Light Technologies for the Industrial Internet of Things

Salem, Ziad; Krutzler, Christian; Fragner, Christian; Weiss, Andreas P.

doi:10.1109/contel58387.2023.10199004

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2024

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Cited by 2 publications

References 96 publications

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Geometric Pattern-Based Computer Vision Positioning System

Silva,

Rêgo,

Alves

et al. 2024

Lecture Notes in Networks and Systems

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Geometric Pattern-Based Computer Vision Positioning System

Silva,

Rêgo,

Alves

et al. 2024

Lecture Notes in Networks and Systems

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LEDPOS: Indoor Visible Light Positioning Based on LED as Sensor and Machine Learning

Fragner,

Krutzler,

Weiss

et al. 2024

IEEE Access

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Accurate indoor positioning is becoming increasingly important, especially in highly automated industrial environments with robots. In addition, LED-based lighting is also being used more and more frequently in such application fields. In the present work, the possibility to exploit the LED lighting infrastructure with a novel approach for implementing an accurate indoor positioning system is investigated. For this purpose, a demonstrator luminaire LEDPOS is proposed and evaluated that combines visible light sensing based on backscattered reflections to accurately estimate the two-dimensional position of a retroreflective foil at the floor while providing simultaneously an unimpaired room illumination. In particular, the same LED elements are shared for illumination and for the sensing functionality. Furthermore, the algorithm for data evaluation and position determination is based on a machine learning approach that is implemented on the edge in the luminaire. Thus, the presented approach allows for a simple and cost-efficient implementation in different applications. The experimental characterization of the LEDPOS demonstrator in a real-world scenario shows that a very good positioning accuracy can be achieved, in which the average error for the two-dimensional position of the retroreflective foil within an area of 0.64 m 2 remains in the range of 3 cm.

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Visible Light Technologies for the Industrial Internet of Things

Cited by 2 publications

References 96 publications

Geometric Pattern-Based Computer Vision Positioning System

Geometric Pattern-Based Computer Vision Positioning System

LEDPOS: Indoor Visible Light Positioning Based on LED as Sensor and Machine Learning

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