Microphone sensor for grain yield monitoring

被引：0

作者：

Shoji, K. ^{[1
]}

Arai, K. ^{[1
]}

Matsumoto, I.

Ushio, A.

Kawamura, T. ^{[1
]}

机构：

[1] Kobe Univ, Grad Sch Agr Sci, Kobe, Hyogo 6578501, Japan

来源：

PRECISION AGRICULTURE '13 | 2013年

关键词：

grain impact; non-linear calibration; grain-weight estimation;

D O I：

暂无

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

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 60x40x3 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%.

引用

页码：57 / 62

页数：6

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