Application of the TDR Soil Moisture Sensor for Terramechanical Research

This paper presents examples of the application of the TDR (Time-Domain Reflectometry) sensor in terramechanical research. Examples include the determination of soil moisture content during off-road vehicle mobility tests, the determination of snow density before and after the wheeling of a snow gro...

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Published inSensors (Basel, Switzerland) Vol. 19; no. 9; p. 2116
Main Authors Pytka, Jarosław, Budzyński, Piotr, Kamiński, Mariusz, Łyszczyk, Tomasz, Józwik, Jerzy
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 07.05.2019
MDPI
Subjects
grassy airfields
Mechanical properties
Moisture content
Sensors
Snow
snow density
soil moisture
TDR sensor
terramechanics
vehicle mobility
wheel-soil interaction
Poland
Italy
snow density
grassy airfields
terramechanics
soil moisture
TDR sensor
vehicle mobility
wheel-soil interaction
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Summary:This paper presents examples of the application of the TDR (Time-Domain Reflectometry) sensor in terramechanical research. Examples include the determination of soil moisture content during off-road vehicle mobility tests, the determination of snow density before and after the wheeling of a snow grooming machine and an airplane, as well as the monitoring of turf moisture on a grassy airfield for the analysis and prediction of safe and efficient flight operations (takeoff and landing). A handheld TDR meter was used in these experiments. Soil moisture data were correlated with the vehicle mobility index and a simple model for this correlation was derived. Using grassy airfield research, soil moisture data were related to meteorological impacts (precipitation, sunlight, etc.). Generally, it was concluded that the TDR meter, in its handheld version, was a useful tool in the performed research, but a field sensor that operates autonomically would be an optimal solution for the subject applications.
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This paper is an extended version of the conference paper presented at the 12th ISEMA Conference in Lublin, Poland, in June 2018. Pytka, J.; Śliczniak, T.; Gnapowski, E. Application of A Handheld TDR Meter for Terramechanical Research. In Proceedings of the 12th IEEE ISEMA Conference 2018, Lublin, Poland, 4–7 June 2018.
ISSN:1424-8220
1424-8220
DOI:10.3390/s19092116