Development and Test of Grain Mass Flow Monitoring System Based on Pressure Sensor


Development and Test of Grain Mass Flow Monitoring System Based on Pressure Sensor


Delei Tan1, Duanyang Geng1*, Huabiao Li1, Haolin Yang1, Yanchun Yao1, Yangmeng Zhang2

1School of Agricultural Engineer and Food Science, Shandong University of Technology, Zibo 255000, China; 2Shandong Agricultural Machinery Technology Promotion Station, Ji’nan 250100, China.


In view of the technical development requirements of digital agriculture and the requirement of operation parameter regulation in the operation process of grain harvester. An on-board grain mass flow monitoring system based on pressure sensor was developed. The mathematical model of grain mass and grain flow pressure was established, which realized the real-time measurement, display, and storage of grain dry/wet quality information during the operation of grain harvester. An indoor bench test was carried out with the independently developed grain flow monitoring test bench. The results showed that the output error of the grain mass flow monitoring system was less than 4.25% under the conditions of indoor bench test, which meets the accuracy requirements of grain flow monitoring and provides the decision basis for variable seeding and variable fertilization.


Keywords: Flow monitoring; Pressure sensor; Monitoring system; Grain flow; Digital agriculture

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How to cite this article:

Delei Tan, Duanyang Geng, Huabiao Li, Haolin Yang, Yanchun Yao, Yangmeng Zhang. Development and Test of Grain Mass Flow Monitoring System Based on Pressure Sensor. American Journal of Agricultural Research, 2021; 6:111. DOI: 10.28933/ajar-2021-03-1105


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