Fandi Zeng
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View article: Experimental study on DEM parameters calibration for organic fertilizer by the particle swarm optimization − backpropagation neural networks
Experimental study on DEM parameters calibration for organic fertilizer by the particle swarm optimization − backpropagation neural networks Open
In order to calibrate the properties of the organic fertilizer particles, this work employs an integrated strategy that combines simulations, machine vision techniques, and physical experiments. Through physical testing, the fundamental ph…
View article: Research on the Calibration of Discrete Elemental Parameters of Yam Bean Based on GA-BP Improved Neural Network Algorithm
Research on the Calibration of Discrete Elemental Parameters of Yam Bean Based on GA-BP Improved Neural Network Algorithm Open
The yam bean lacks accurate simulation model parameters for mechanized sowing and harvesting. The absence of parameters for the simulation model can lead to low-level mechanized design of the yam bean, which greatly affects its utilization…
View article: ANALYSIS OF SOIL STRESS VARIATIONS DURING THE SEEDLING PLANTING PROCESS WITH DIRECT INSERTION SEEDLING DEVICE
ANALYSIS OF SOIL STRESS VARIATIONS DURING THE SEEDLING PLANTING PROCESS WITH DIRECT INSERTION SEEDLING DEVICE Open
To explore the change law of contact stress distribution in the process of planting seedlings, the greenhouse transplanting equipment was developed to reduce labor intensity and improve the mechanization level of facility horticulture. Thi…
View article: Study on the interaction characteristics between pot seedling and planter based on hanging cup transplanter
Study on the interaction characteristics between pot seedling and planter based on hanging cup transplanter Open
View article: Influence of Tool Wear and Workpiece Diameter on Surface Quality and Prediction of Surface Roughness in Turning
Influence of Tool Wear and Workpiece Diameter on Surface Quality and Prediction of Surface Roughness in Turning Open
In turning, tool wear and cutting vibration are inevitable, which have great influence on surface quality. Analyzing the influence mechanism of tool wear and cutting vibration on surface quality is important to achieve the accurate predict…
View article: Calibration and Validation of Simulation Parameters for Maize Straw Based on Discrete Element Method and Genetic Algorithm–Backpropagation
Calibration and Validation of Simulation Parameters for Maize Straw Based on Discrete Element Method and Genetic Algorithm–Backpropagation Open
There is a significant difference between the simulation effect and the actual effect in the design process of maize straw-breaking equipment due to the lack of accurate simulation model parameters in the breaking and processing of maize s…
View article: YOLOv8 Model for Weed Detection in Wheat Fields Based on a Visual Converter and Multi-Scale Feature Fusion
YOLOv8 Model for Weed Detection in Wheat Fields Based on a Visual Converter and Multi-Scale Feature Fusion Open
Accurate weed detection is essential for the precise control of weeds in wheat fields, but weeds and wheat are sheltered from each other, and there is no clear size specification, making it difficult to accurately detect weeds in wheat. To…
View article: Design and Experimental Study of a Traction Double-Row Automatic Transplanter for Solanum Lycopersicum Seedlings
Design and Experimental Study of a Traction Double-Row Automatic Transplanter for Solanum Lycopersicum Seedlings Open
The most important part of fruit cultivation is transplanting, which can be completed efficiently by an automatic transplanter. In this study, an automatic solanum lycopersicum transplanter was developed. It is primarily composed of the fo…
View article: Precision Inter-Row Relative Positioning Method by Using 3D LiDAR in Planted Forests and Orchards
Precision Inter-Row Relative Positioning Method by Using 3D LiDAR in Planted Forests and Orchards Open
Accurate positioning at the inter-row canopy can provide data support for precision variable-rate spraying. Therefore, there is an urgent need to design a reliable positioning method for the inter-row canopy of closed orchards (planted for…
View article: Design and Experiments of the Data Acquisition System for Bale Rolling Characteristic Parameters on a Large-Scale Round Bale Machine
Design and Experiments of the Data Acquisition System for Bale Rolling Characteristic Parameters on a Large-Scale Round Bale Machine Open
The parameters of the roll characteristics of a large-scale round bale machine were collected in real time to investigate the bale rolling mechanism. This investigation develops a set of adaptable and highly integrated data acquisition sys…
View article: MEASUREMENT OF THE PHYSICAL PARAMETERS OF PEANUT SEEDS AND CALIBRATION OF THE DISCRETE ELEMENT PARAMETERS
MEASUREMENT OF THE PHYSICAL PARAMETERS OF PEANUT SEEDS AND CALIBRATION OF THE DISCRETE ELEMENT PARAMETERS Open
This study measured the intrinsic and contact parameters through physical experiments to improve the accuracy of discrete element simulation analysis of peanut seeds. Discrete element models for five different peanut seed filling ball numb…
View article: Establishment and Parameter Calibration of a Simulation Model of Coated Cotton Seeds and Soil
Establishment and Parameter Calibration of a Simulation Model of Coated Cotton Seeds and Soil Open
Precision seeding technology is an important component of agricultural mechanization production. The precise regulation of seed movement behavior is the core of precision sowing technology and the key to improving the quality of single see…
View article: Establishment of the Interaction Simulation Model between Plug Seedlings and Soil
Establishment of the Interaction Simulation Model between Plug Seedlings and Soil Open
Currently, the simulation parameters for the model of the interaction between the transplanter, the plug seedlings, the soil, and the pot damage mechanism still need to be clarified. The optimization design of the planters and the improvem…
View article: Study on Contact Stress Distribution Characteristics and Damage of Plug Seedlings Based on Flexible Pressure Sensor
Study on Contact Stress Distribution Characteristics and Damage of Plug Seedlings Based on Flexible Pressure Sensor Open
At present, there is a problem that the growth quality is reduced due to damage to the plug seedling pot during the transplanting process. In this study, the pressure distribution measurement system was used to measure the contact area of …
View article: EFFECT OF TRANSPLANTER VIBRATION ON PARTICLE MOVEMENT VELOCITY OF SANDY LOAM SOIL BY USING DEM
EFFECT OF TRANSPLANTER VIBRATION ON PARTICLE MOVEMENT VELOCITY OF SANDY LOAM SOIL BY USING DEM Open
The sandy loam soil has complex movement characteristics during hole formation by hanging cup transplanters. In order to better investigate this point, the paper aims to investigate the disturbance pattern of transplanter vibration on sand…
View article: Parameter Calibration and Optimization of a Discrete Element Model of Plug Seedling Pots Based on a Collision Impact Force
Parameter Calibration and Optimization of a Discrete Element Model of Plug Seedling Pots Based on a Collision Impact Force Open
To improve the accuracy of simulation parameters used in discrete element simulation tests for the transplanting operation of the transplanting machine and to facilitate further optimization of crucial components of the transplanting machi…
View article: CALIBRATION AND EXPERIMENTS OF THE SIMULATION BONDING PARAMETERS FOR PLUG SEEDLING SUBSTRATE BLOCK
CALIBRATION AND EXPERIMENTS OF THE SIMULATION BONDING PARAMETERS FOR PLUG SEEDLING SUBSTRATE BLOCK Open
To accurately simulate the interactions between the plug seedlings and the planter during the planting process and explore the damage mechanism of the plug seedling substrate block, the bonding parameters of plug seedlings substrate block …
View article: Experimental Research and Analysis of Soil Disturbance Behavior during the Hole Drilling Process of a Hanging-Cup Transplanter by DEM
Experimental Research and Analysis of Soil Disturbance Behavior during the Hole Drilling Process of a Hanging-Cup Transplanter by DEM Open
This study provides a basis for designing and optimizing the key components of hanging-cup transplanters. The discrete element method, a high-speed photography test, and indoor soil bin tests were used to explore soil disturbance behavior …
View article: Mathematical Model for Predicting Bale Density in the Bale Rolling Process of a Large Steel Roller-Type Round Bale Machine
Mathematical Model for Predicting Bale Density in the Bale Rolling Process of a Large Steel Roller-Type Round Bale Machine Open
View article: CALIBRATION OF THE DISCRETE ELEMENT PARAMETERS AND EXPERIMENTAL VERIFICATION OF THE OIL SUNFLOWER PLUG SEEDLING POTS
CALIBRATION OF THE DISCRETE ELEMENT PARAMETERS AND EXPERIMENTAL VERIFICATION OF THE OIL SUNFLOWER PLUG SEEDLING POTS Open
The movement of plug seedlings and the pots damage mechanism are deeply studied during the planting process, and the planting components are optimized. The Tekscan pressure distribution measurement system was used to measure the mechanical…
View article: Study on the Impact Damage Characteristics of Transplanting Seedlings Based on Pressure Distribution Measurement System
Study on the Impact Damage Characteristics of Transplanting Seedlings Based on Pressure Distribution Measurement System Open
Collision is one of the main causes of mechanical damage to the seedling during transplanting. To reveal the impact damage characteristics of plug seedlings, the kinetics equations of seedling collision were established based on Hertz’s co…
View article: Experimental Study on Pot Damage and Contact Stress Distribution Characteristics of Oil Sunflower Plug Seedlings
Experimental Study on Pot Damage and Contact Stress Distribution Characteristics of Oil Sunflower Plug Seedlings Open
To reveal the collision damage mechanisms of plug seedlings and improve the quality of seedlings, the kinetics equations of the plug seedlings were established based on the generalized Hertz-theory. The influence laws of different factors …
View article: VIBRATION CHARACTERISTICS TEST AND ANALYSIS OF HANGING CUP TRANSPLANTER
VIBRATION CHARACTERISTICS TEST AND ANALYSIS OF HANGING CUP TRANSPLANTER Open
The vibration of the hanging cup transplanter affected the hole size and tray seedling quality. This paper takes the 2ZP-2 hanging cup transplanter as the research object, studies the vibration characteristics of the transplanter when it w…
View article: USING THE DISCRETE ELEMENT METHOD TO ANALYZE AND CALIBRATE A MODEL FOR THE INTERACTION BETWEEN A PLANTING DEVICE AND SOIL PARTICLES
USING THE DISCRETE ELEMENT METHOD TO ANALYZE AND CALIBRATE A MODEL FOR THE INTERACTION BETWEEN A PLANTING DEVICE AND SOIL PARTICLES Open
Dynamic soil behaviour at the contact interface during transplanting makes it difficult to ensure transplanting quality. To solve this problem, the Hertz-Mindlin with bonding contact model was used to calibrate the parameters of soils in I…