Image-Guided Mulch Application for Targeted Weed Control

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Solution Overview

Problem

Current weed control methods, such as herbicide spraying and mechanical removal, are resource-intensive and environmentally impactful, particularly in industrial and railway areas where vegetation management is crucial for safety and infrastructure integrity.

Innovation Solution

A system utilizing image analysis to determine precise locations for mulch application, which can include herbicides, to control weeds effectively, reducing resource usage and environmental impact by applying mulch only where needed, using biodegradable polymers for controlled herbicide release and varying mulch types based on weed types and growth conditions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If herbicide spraying is used for weed control, then weed suppression is effective, but environmental impact increases and resource consumption increases

Engineering Contradiction:
Improveweed suppression effectivenessVSAvoidenvironmental impact
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The system applies mulch selectively only at locations where weeds are detected through image analysis, rather than treating the entire area uniformly. This localized approach maintains effective weed suppression at target sites while reducing overall herbicide and mulch application, thereby decreasing environmental impact and resource consumption.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The system performs preliminary image analysis to detect and map weed locations before applying mulch or herbicides. This advance detection allows for precise targeting of treatment areas, ensuring effective weed control only where needed and minimizing unnecessary resource application and environmental harm.

Inventive Principle:
Principle #10Preliminary action

2Object-affected harmful factors

If manual weed control is used, then environmental impact is reduced, but time consumption increases and productivity decreases

Engineering Contradiction:
Improveenvironmental impactVSAvoidweed control efficiency
Core Design Contradiction:
Object-affected harmful factorsVSProductivity

Solution Approach 1:

The system replaces manual mechanical weed control with an automated system that uses image analysis technology to detect weeds and controls mulch application units to apply treatment selectively. This automation maintains low environmental impact by avoiding broad chemical application while dramatically improving productivity by eliminating time-consuming manual labor.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Reliability

If broad-area mulch application is used, then weed control coverage is comprehensive, but resource consumption increases

Engineering Contradiction:
Improveweed control coverageVSAvoidmulch and herbicide usage
Core Design Contradiction:
ReliabilityVSLoss of substance

Solution Approach 1:

The system transitions from uniform broad-area mulch application to location-specific targeted application based on real-time image analysis of weed presence. Mulch and herbicides are applied only at detected weed locations, ensuring comprehensive coverage of actual problem areas while minimizing resource consumption by eliminating application to weed-free areas.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The system uses image analysis to continuously monitor and detect weed locations, providing feedback that controls the mulch application units. This closed-loop control ensures mulch is applied only where weeds are present, achieving comprehensive weed control coverage while optimizing resource usage by avoiding unnecessary application.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP3446564B1Apparatus for weed control
Publication Date: 2021.01.13 BAYER AG
  • EP3446564B1 patent drawingFigure 1
  • EP3446564B1 patent drawingFigure 2
  • EP3446564B1 patent drawingFigure 3a~3d

AI summary

The present invention relates to an apparatus for weed control. It is described to provide (210) a processing unit with at least one image of an environment. The processing unit analyses (220) the at least one image to determine at least one location within the environment for activation of at least one mulch application unit. The at least one mulch application unit is configured to apply at least one mulch to the at least one location for weed control. An output unit outputs (230) information that is useable to activate the at least one mulch application unit.