Journal of Sensors and Sensor Systems
Journal of Sensors and Sensor Systems
JSSS
Articles | Volume 9, issue 1
Articles | Volume 9, issue 1
https://doi.org/10.5194/jsss-9-133-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/jsss-9-133-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 9, issue 1
Regular research article
 | 
17 Apr 2020
Regular research article |  | 17 Apr 2020

Infrared-based sensor system for contactless monitoring of wetness and ice

Lakshan Tharmakularajah, Jakob Döring, and Karl-Ludwig Krieger

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Latest update: 03 Jul 2026
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Short summary
In order to differentiate between a wet and a dry road surface, the water film height should be measured by using an infrared-based sensor system. By means of different wavelengths, it is also possible to distinguish between ice and water. In this article, a sensor system for the determination of the physical state of water on different surfaces using infrared LEDs and one photodiode is presented. This shall serve as a basis for the calculation of the road condition.
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Special issue
Sensors and Measurement Systems 2019