Rapid on-line non-destructive detection of the moisture content of corn ear by bioelectrical impedance spectroscopy

Authors

  • Zhao Pengfei 1. College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China; 2. Modern Precision Agriculture System Integration Research Key Laboratory, Ministry of Education, Beijing 100083, China;
  • Zhang Hanlin 1. College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China; 3. Key Laboratory of Agricultural Information Acquisition Technology (Beijing), Ministry of Agriculture, Beijing 100083, China
  • Zhao Dongjie 1. College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China; 3. Key Laboratory of Agricultural Information Acquisition Technology (Beijing), Ministry of Agriculture, Beijing 100083, China
  • Wang Zhijie 1. College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China; 3. Key Laboratory of Agricultural Information Acquisition Technology (Beijing), Ministry of Agriculture, Beijing 100083, China
  • Fan Lifeng 1. College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China; 3. Key Laboratory of Agricultural Information Acquisition Technology (Beijing), Ministry of Agriculture, Beijing 100083, China
  • Huang Lan 1. College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China; 2. Modern Precision Agriculture System Integration Research Key Laboratory, Ministry of Education, Beijing 100083, China; 3. Key Laboratory of Agricultural Information Acquisition Technology (Beijing), Ministry of Agriculture, Beijing 100083, China
  • Ma Qin 1. College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China; 3. Key Laboratory of Agricultural Information Acquisition Technology (Beijing), Ministry of Agriculture, Beijing 100083, China
  • Wang Zhongyi 1College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China 2Modern Precision Agriculture System Integration Research Key Laboratory, Ministry of Education, Beijing 100083, China 3Key Laboratory of Agricultural information acquisition technology (Beijing), Ministry of Agriculture, Beijing 100083, China)

DOI:

https://doi.org/10.25165/ijabe.v8i6.1238

Keywords:

moisture content, non-destructive detection, bioelectrical impedance spectroscopy, corn ear

Abstract

Moisture content of corn directly affects its quality and storage time, and the rapid on-line detection of the moisture content of corn ears not threshed or in vivo in the fields is required. Because of the special shape of corn ear, the rapid, low cost and non-destructive bioelectrical impedance measurement is more suitable for its moisture content detection. Using the four-electrode method with the Agilent E4980A precision LCR meter, the electrical impedance spectroscopies of the sweet corn ears and waxy corn ears at different moisture contents were acquired. The frequency range of the detection was from 20 Hz to 2 MHz and to enhance the contact, the attached-type electrodes were wrapped in cotton soaked with 0.1% NaCl solution. The impedance data over the frequency range from 300 Hz to 5 kHz were used to obtain the parameters of the bio-impedance Cole-Cole model. The results showed a good linear correlation (coefficient of determination R2=0.960) between the equivalent parallel resistance R∞ of sweet corn ear and the moisture content value determined by standard chemical method. The research proved that the bioelectrical impedance spectroscopy can be used for detecting the moisture content of corn ear. Keywords: moisture content, non-destructive detection, bioelectrical impedance spectroscopy, corn ear DOI: 10.3965/j.ijabe.20150806.1238 Citation: Zhao P F, Zhang H L, Zhao D J, Wang Z J, Fan L F, Huang L, et al. Rapid on-line non-destructive detection of the moisture content of corn ear by bioelectrical impedance spectroscopy. Int J Agric & Biol Eng, 2015; 8(6): 37－45.

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Published

2015-12-31

How to Cite

Pengfei, Z., Hanlin, Z., Dongjie, Z., Zhijie, W., Lifeng, F., Lan, H., … Zhongyi, W. (2015). Rapid on-line non-destructive detection of the moisture content of corn ear by bioelectrical impedance spectroscopy. International Journal of Agricultural and Biological Engineering, 8(6), 37–45. https://doi.org/10.25165/ijabe.v8i6.1238

Issue

Vol. 8 No. 6 (2015): IJABE

Section

Information Technology, Sensors and Control Systems

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