High Precision Fertilizer Applicator For Industrial Plantation: Discrete Element Method Simulation And Prototyping

Jurnal Keteknikan Pertanian Tropis dan Biosistem Pub Date : 2022-08-31 DOI:10.19028/jtep.010.2.98-107

I. P. Nurprasetio, Adit Febriansyah, Robby Dwianto Widyantara, B. Budiman

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Abstract

We designed a high-precision fertilizer applicator to distribute fertilizer with the required dose at every specified point. The dose necessary aims to meet the nutritional needs of plants, so that plant growth is more effective while reduce waste. The fertilizer applicator was designed to have an auger and drive system that can discharge the fertilizer precisely. A 3D CAD model of the applicator was created to conduct a discrete element simulation to predict the discharge fertilizer process. Experiment was carried out to validate the simulation model. The experiment utilized a small-scale applicator prototype manufactured by 3D printing. A small electric actuator controlled by Arduino microcontroller was installed to rotate the auger. The auger can push and release the fertilizer precisely depending on the rotation's number. Both simulation and experiment results were compared and showed a small error of 6.42%. The results show our designed fertilizer applicator have good accuracy and precision, which indicates the applicator was suitable to distribute fertilizer uniformly.

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工业种植园高精度施肥机:离散元法仿真与原型设计

我们设计了一种高精度的施肥器，可以在每个指定的点上分配所需剂量的肥料。所需剂量旨在满足植物的营养需求，使植物生长更有效，同时减少浪费。施肥机设计有一个螺旋钻和驱动系统，可以精确地排出肥料。建立了施肥器的三维CAD模型，对施肥过程进行离散元模拟。通过实验对仿真模型进行了验证。实验使用了3D打印制造的小型涂抹器原型。安装一个由Arduino微控制器控制的小型电动执行器来旋转螺旋钻。螺旋钻可以根据旋转的次数精确地推动和释放肥料。仿真结果与实验结果比较，误差较小，为6.42%。结果表明，所设计的施肥器具有良好的准确度和精密度，适用于均匀施肥。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Jurnal Keteknikan Pertanian Tropis dan Biosistem

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审稿时长

16 weeks