Applications of discrete element method in the research of agricultural machinery: A review

H Zhao, Y Huang, Z Liu, W Liu, Z Zheng - Agriculture, 2021 - mdpi.com
As a promising and convenient numerical calculation approach, the discrete element
method (DEM) has been increasingly adopted in the research of agricultural machinery …

Numerical simulation of Fertilizer Shunt-Plate with uniformity based on EDEM software

JS Liu, CQ Gao, YJ Nie, B Yang, RY Ge… - Computers and Electronics …, 2020 - Elsevier
Background The application of fertilizing machinery is very important especially to the
growing of alfalfa. The effect of uniformity is one of the most significant indicators to evaluate …

Parameter optimization of spiral fertilizer applicator based on artificial neural network

M Zhang, Y Tang, H Zhang, H Lan, H Niu - Sustainability, 2023 - mdpi.com
To determine the optimal fertilizer discharging performance, a spiral fertilizer applicator was
designed according to orchard agricultural requirements. The influence of different …

Determination of Material and Interaction Properties of Granular Fertilizer Particles Using DEM Simulation and Bench Testing

X Lei, W Wu, X Deng, T Li, H Liu, J Guo, J Li, P Zhu… - Agriculture, 2023 - mdpi.com
The discrete element method (DEM) is an effective tool for obtaining qualitative and
quantitative information on particle motion, which aids in the design and optimization of …

Fertilizer sowing simulation of a variable-rate fertilizer applicator based on EDEM

L Yang, L Chen, J Zhang, H Liu, Z Sun, H Sun… - IFAC-PapersOnLine, 2018 - Elsevier
The simulation for a variable fertilization machine could help to show the fertilizing result and
provide theoretical guidance in reality machine operation. EDEM (Extended distinct element …

Impact of Airflow Rectification on Spreading Uniformity for UAV-Based Multichannel Pneumatic Granular Fertilizer Spreader

X Wang, R Jiang, Z Zhou, J Huang, J Lin - Agronomy, 2023 - mdpi.com
Unmanned aerial vehicles (UAVs) are an important part of smart farms and have been
widely used in granular fertilizer spreading. The multichannel pneumatic granular fertilizer …

Design and experiment of UAV fertilization spreader system for rice

REN Wanjun, WU Zhenyuan, LI Mengliang… - Nongye Jixie Xuebao …, 2021 - nyjxxb.net
Aiming at the low efficiency of rice panicle fertilizer application and the difficulty of
mechanization, a rice fertilization spreader system, centrifugal spinning disc and flow …

Mechanism analysis and test of adjusting garlics upwards using two duckbill devices

HOU Jialin, H Shenghai, NIU Ziru… - Nongye Jixie Xuebao …, 2018 - nyjxxb.net
Due to the problem of low rate of garlic bulbil with upward direction after mechanical sowing
in China recently, the physical and geometric parameters of Cangshan garlic were …

A fixed-amount and variable-rate fertilizer applicator based on pulse width modulation

C Chen, P He, J Zhang, X Li, Z Ren, J Zhao… - … and Electronics in …, 2018 - Elsevier
Fertilizer plays a significant role in increasing crops quality. When fertilizer users use
inappropriate fertilization practices in fields, it brings nutrient waste, large investment and …

施肥无人机槽轮式排肥器的槽轮结构参数优选.

宋灿灿, 周志艳, 王国宾, 王勋威… - Transactions of the …, 2021 - search.ebscohost.com
现有槽轮式排肥器存在低转速下脉动性较强和排量范围较小的问题, 较难满足农用无人机低空
高速施肥对大排量范围以及排量连续性和准确性的要求. 针对以上问题, 该研究设计了凹槽形状 …