Microphone sensor for grain yield monitoring

K. Shoji; K. Arai; I. Matsumoto; A. Ushio; T. Kawamura

Microphone sensor for grain yield monitoring

In: Precision agriculture '13

Authors:

K. Shoji

K. Shoji ¹Graduate School of Agricultural Sciences, Kobe University, Kobe, 657-8501, Japan; Shojik@kobe-u.ac.jp

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K. Arai

K. Arai ¹Graduate School of Agricultural Sciences, Kobe University, Kobe, 657-8501, Japan; Shojik@kobe-u.ac.jp

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I. Matsumoto

I. Matsumoto ²Hyogo Prefectural Technology Center for Agriculture, Forestry and Fisheries, Kasai, Hyogo, 679-0198, Japan

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A. Ushio

A. Ushio ²Hyogo Prefectural Technology Center for Agriculture, Forestry and Fisheries, Kasai, Hyogo, 679-0198, Japan

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, and

T. Kawamura

T. Kawamura ¹Graduate School of Agricultural Sciences, Kobe University, Kobe, 657-8501, Japan; Shojik@kobe-u.ac.jp

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Type:: Chapter

Pages:: 57–62

DOI:: https://doi.org/10.3920/9789086867783_007

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A microphone sensor was developed as an alternative to a load cell for detecting flow rate of grain for economical installation, and its performance was evaluated on a 0.9 m wide Japanese-style (jidatsu) rice combine. The sensor consisted of a 60×40×3 mm steel plate and a ceramic earphone glued behind it to receive impacts of a portion of grain conveyed into the grain tank. In the field experiment, the combine harvested 1,570 kg of rice grain over seven runs, and the root-mean squared relative error of calibration was 3.5%.

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Precision agriculture '13

E-Book ISBN:: 9789086867783

Publisher:: Wageningen Academic

Print Publication Date:: 01 Nov 2013

Subjects
- Life Sciences
  - General
  - Agriculture & Environment

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Microphone sensor for grain yield monitoring

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Precision agriculture '13

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