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The soil moisture sensor based on soil dielectric property.

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Title: The soil moisture sensor based on soil dielectric property.
Authors: Huan, Zhan1 hzh@cczu.edu.cn, Wang, Hui1 wangh@cczu.edu.cn, Li, Chen1 770918727@qq.com, Wan, Caiyan1 844392986@qq.com
Source: Personal & Ubiquitous Computing. Feb2017, Vol. 21 Issue 1, p67-74. 8p.
Subjects: Soil moisture measurement instruments, Soil physics, Electric conductivity of soils, High-frequency discharges, Dielectric properties
Abstract: As we know, soil dielectric property varies along with soil volumetric water content variation. In this paper, the high-frequency resonance measurements method is used to design the soil moisture sensor. Firstly, the high-frequency equivalent electronic model is built by soil and sensor circuit. The relationship between the soil volumetric water content and resonant frequency is established by means of the high-frequency equivalent electronic model analysis. Then, with the comparison test on red soil, moisture soil and paddy soil, the high-frequency resonance measurements method is proved to be effective in soil moisture detection. Finally, the influence of resonant frequency and ambient temperature on the relationship is analyzed. The calibration method of soil moisture sensor is given. The ideally measuring result of soil volumetric water content is obtained. To the best of our knowledge, this paper is the first study on soil moisture sensor design based on soil dielectric property, which covers circuit theory, hardware simulation, resonance frequency selection and temperature compensation. The hardware circuit which is used in soil moisture sensor has advantages of simple structure, efficient practicability. The experiment results show that the soil moisture sensor works well and suits for building large-scale agriculture wireless sensor networks. [ABSTRACT FROM AUTHOR]
Copyright of Personal & Ubiquitous Computing is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: The soil moisture sensor based on soil dielectric property.
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  Data: <searchLink fieldCode="AR" term="%22Huan%2C+Zhan%22">Huan, Zhan</searchLink><relatesTo>1</relatesTo><i> hzh@cczu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Hui%22">Wang, Hui</searchLink><relatesTo>1</relatesTo><i> wangh@cczu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Chen%22">Li, Chen</searchLink><relatesTo>1</relatesTo><i> 770918727@qq.com</i><br /><searchLink fieldCode="AR" term="%22Wan%2C+Caiyan%22">Wan, Caiyan</searchLink><relatesTo>1</relatesTo><i> 844392986@qq.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Personal+%26+Ubiquitous+Computing%22">Personal & Ubiquitous Computing</searchLink>. Feb2017, Vol. 21 Issue 1, p67-74. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Soil+moisture+measurement+instruments%22">Soil moisture measurement instruments</searchLink><br /><searchLink fieldCode="DE" term="%22Soil+physics%22">Soil physics</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+conductivity+of+soils%22">Electric conductivity of soils</searchLink><br /><searchLink fieldCode="DE" term="%22High-frequency+discharges%22">High-frequency discharges</searchLink><br /><searchLink fieldCode="DE" term="%22Dielectric+properties%22">Dielectric properties</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: As we know, soil dielectric property varies along with soil volumetric water content variation. In this paper, the high-frequency resonance measurements method is used to design the soil moisture sensor. Firstly, the high-frequency equivalent electronic model is built by soil and sensor circuit. The relationship between the soil volumetric water content and resonant frequency is established by means of the high-frequency equivalent electronic model analysis. Then, with the comparison test on red soil, moisture soil and paddy soil, the high-frequency resonance measurements method is proved to be effective in soil moisture detection. Finally, the influence of resonant frequency and ambient temperature on the relationship is analyzed. The calibration method of soil moisture sensor is given. The ideally measuring result of soil volumetric water content is obtained. To the best of our knowledge, this paper is the first study on soil moisture sensor design based on soil dielectric property, which covers circuit theory, hardware simulation, resonance frequency selection and temperature compensation. The hardware circuit which is used in soil moisture sensor has advantages of simple structure, efficient practicability. The experiment results show that the soil moisture sensor works well and suits for building large-scale agriculture wireless sensor networks. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Personal & Ubiquitous Computing is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s00779-016-0975-z
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 67
    Subjects:
      – SubjectFull: Soil moisture measurement instruments
        Type: general
      – SubjectFull: Soil physics
        Type: general
      – SubjectFull: Electric conductivity of soils
        Type: general
      – SubjectFull: High-frequency discharges
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      – SubjectFull: Dielectric properties
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      – TitleFull: The soil moisture sensor based on soil dielectric property.
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              M: 02
              Text: Feb2017
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              Y: 2017
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