ANALYSIS AND EXPERIMENTAL STUDY OF OPTIMAL SOIL MOISTURE SENSOR PROBE LENGTH

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International Journal on Smart Sensing and Intelligent Systems

Professor Subhas Chandra Mukhopadhyay

Exeley Inc. (New York)

Subject: Computational Science & Engineering, Engineering, Electrical & Electronic

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VOLUME 6 , ISSUE 3 (June 2013) > List of articles

ANALYSIS AND EXPERIMENTAL STUDY OF OPTIMAL SOIL MOISTURE SENSOR PROBE LENGTH

Zhao Yandong * / Nie Mingjun *

Keywords : soil water content, sensor, length of probe, impedance

Citation Information : International Journal on Smart Sensing and Intelligent Systems. Volume 6, Issue 3, Pages 849-866, DOI: https://doi.org/10.21307/ijssis-2017-569

License : (CC BY-NC-ND 4.0)

Received Date : 02-September-2012 / Accepted: 22-May-2013 / Published Online: 05-June-2013

ARTICLE

ABSTRACT

two parallel needle moisture sensors has been widely used in Soil moisture detection equipment, for example, frequency domain (FD), time domain reflectometry (TDR) and standing wave ratio (SWR) measurement. The design of probe‘s port impedance is key technology parameters to soil moisture sensor. In this study, according to the relationships between the length and impedance characteristics of terminal open and closed state probe were presented based on two-pin probe structure of parallel resistance model. The best probe structure was simulated by high frequency structure simulator software HFSS, which based on Maxwell’s equations and finite element method. According to experiment of soil water content by organic solution, the theoretical analysis of the best structure of probe was further validated.

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REFERENCES

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