Related Experiment Video
Updated: Jun 7, 2025
10:09
Operation of the Collaborative Composite Manufacturing CCM System
Published on: October 1, 2019
6.6K
A novel mechanical-laser collaborative intra-row weeding prototype: structural design and optimization, weeding knife
Rui Hu1, Long-Tao Niu1, Wen-Hao Su1
1College of Engineering, China Agricultural University, Beijing, China.
Frontiers in Plant Science
|November 14, 2024
Summary
This study developed an intelligent mechanical-laser device for efficient intra-row weeding, optimizing weeding knife design and laser parameters for effective weed removal and improved crop yield.
Area of Science:
- Agricultural Engineering
- Robotics
- Precision Agriculture
Background:
- Intra-row weed competition significantly reduces crop yields.
- Intelligent robots offer a more efficient alternative to manual weeding.
Purpose of the Study:
- To propose and develop a novel mechanical-laser collaborative intra-row weeding device.
- To optimize the design of mechanical weeding components and evaluate laser weeding parameters.
Main Methods:
- Slider-crank mechanism size optimization using ADMAS software.
- Soil resistance simulation for triangular weeding knives using EDEM software.
- Experimental evaluation of Near-Infrared (NIR) and blue lasers for weed removal.
Main Results:
- Optimized crank and link lengths for the mechanism (87 mm and 135 mm).
- Identified optimal triangular weeding knife angles (0° penetration, 30° edge) for minimal soil resistance.
- Determined effective laser parameters: 50W blue laser and 100W NIR laser for rapid weed removal (0.3-0.6s).
Conclusions:
- A functional prototype of the mechanical-laser collaborative weeding device was successfully built.
- The study provides valuable insights for developing advanced mechanical and laser weeding equipment.
- This research offers a new direction for intelligent weeding solutions in agriculture.
