Autonomous Weed Stamping Device with Optical Classification
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Solution Overview
Problem
Current weed control methods in agriculture, especially in organic farming with small planting distances like carrots, are not precise and require labor-intensive manual work due to the lack of accurate selective methods.
Innovation Solution
A device with a manipulator unit that positions a processing tool independently to apply pulsed pressure for weed control, using a combination of sensors and cameras for precise weed recognition and localization, allowing for efficient and precise weed regulation without damaging the crops.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual weed removal methods are used in organic farming with small planting distances, then weed control can be performed, but labor intensity increases significantly and efficiency decreases
Solution Approach 1:
The system enables autonomous weed control by combining automated optical detection, classification, and targeted mechanical stamping. The device independently identifies weeds, determines their positions, and executes removal actions without human intervention, thereby eliminating labor-intensive manual work while maintaining high efficiency in small-plot organic farming
Solution Approach 2:
The patent replaces manual mechanical weed removal with an automated system that uses optical sensors for detection, computer vision for classification, and controlled mechanical stamping for weed destruction. This substitution transforms labor-intensive manual operations into an automated process that significantly improves productivity while reducing human effort
2Reliability
If continuous actuation is used for weed destruction, then weed control coverage is improved, but crop damage risk increases due to inability to precisely target individual weeds
Solution Approach 1:
The system applies different treatments to different locations by precisely identifying and classifying individual plants using optical sensors and image processing. The stamping mechanism is activated only at specific locations where weeds are detected, while crop plants are spared. This localized selective action ensures high reliability in weed control while minimizing harm to crops
Solution Approach 2:
The system continuously monitors the field environment using optical sensors, processes images to classify plants as crops or weeds, and provides real-time feedback to control the stamping mechanism. This closed-loop feedback system ensures that only weeds are targeted while crops are protected, achieving selective weed control with high accuracy and minimal crop damage risk
3Manufacturing precision
If traditional weed control devices are used, then general weed coverage is achieved, but precision is insufficient for small planting distances
Solution Approach 1:
The system transitions from traditional single-dimensional mechanical weed control to a multi-dimensional approach by integrating optical detection, image processing, and precisely controlled mechanical stamping. The manipulator unit can position the stamping mechanism in multiple dimensions (X, Y, and Z axes), enabling high-precision targeting of individual weeds even in small planting distances while maintaining adequate coverage area through coordinated multi-axis movement
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables quick and precise weed control in close proximity to crops, reducing manual labor and minimizing the risk of damaging crops or promoting weed regrowth, while allowing for efficient operation with multiple processing tools working in parallel.
Implementation Method 1
The processing tool is designed to exert a pulsed pressure in order to damage the weed, with the processing tool being designed in particular as a stamp
Implementation Method 2
The manipulator unit is designed to position the processing tool independently of the movement of the entire device
Data Source
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AI summary
The invention relates to a device for damaging uncultivated plants, comprising a tool (16) which is designed to damage the uncultivated plants; a classification unit (22) representing positional data of the uncultivated plants and/or designed to recognize uncultivated plants; a localization unit (24) which is designed to determine a relative position between the tool (16) and the uncultivated plants; and a manipulator unit (20) which is designed to correspondingly position the tool (16) depending on the determined relative position.