Bale Composition Monitoring Using Reflectance and Mistie Detection

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Solution Overview

Problem

Current systems fail to detect misties in securement lines of small, square bales of crop material, leading to bale disintegration, and lack real-time metrics for bale quality assessment to improve the bale-forming process.

Innovation Solution

A bale quality system incorporating image sensors, a control system, and a graphic display to detect misties and monitor bale composition using electromagnetic reflectance information, generating vegetation index values and bale quality metrics, with optional features for alerting operators.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional baler operation without detection systems is used, then device complexity is low, but reliability of bale formation is poor due to undetected misties causing bale disintegration

Engineering Contradiction:
Improvebale integrityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces mechanical inspection methods with optical sensing systems. Image sensors capture visual data of knotting operations, and computer vision algorithms automatically detect misties, substituting physical inspection with electromagnetic field-based detection to improve reliability without excessive complexity increase

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

Solution Approach 2:

The system enables the baler to self-monitor and self-diagnose knotting quality through integrated image sensors and processing. The baler automatically detects misties and can trigger alerts or adjustments without external inspection, making the system self-sufficient in maintaining bale integrity

Inventive Principle:
Principle #25Self-service

2Productivity

If real-time monitoring systems are implemented, then productivity through immediate adjustments is improved, but device complexity increases due to additional sensors and processing systems

Engineering Contradiction:
Improvebale formation efficiencyVSAvoidmonitoring system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The image sensors serve multiple functions: detecting misties, monitoring crop material flow, and tracking bale formation progress. This multi-functionality allows real-time monitoring and immediate adjustments for improved productivity while minimizing the number of separate systems needed, thereby controlling complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system continuously captures image data, processes it through computer vision algorithms, and provides real-time feedback on knotting quality and bale composition. This feedback loop enables operators to make immediate adjustments during operation, improving productivity through timely corrections without requiring overly complex monitoring infrastructure

Inventive Principle:
Principle #23Feedback

3Loss of information

If comprehensive bale quality metrics are collected, then loss of information about bale composition is reduced, but measurement precision requirements increase

Engineering Contradiction:
Improvebale composition dataVSAvoidquality metric accuracy
Core Design Contradiction:
Loss of informationVSMeasurement precision

Solution Approach 1:

The patent divides bale quality assessment into multiple segments: vegetation index analysis from multi-spectral imaging, structural parameters from image processing, and compositional data from sensor arrays. By segmenting the measurement task across different sensor types and analysis methods, the system comprehensively captures bale composition information while managing the precision requirements of individual measurement systems

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system combines multiple types of measurement data into a composite quality metric: optical reflectance data, vegetation indices, image-derived structural parameters, and sensor measurements. This composite approach provides comprehensive bale composition information by integrating results from multiple measurement modalities, reducing information loss while balancing the precision requirements of each component system

Inventive Principle:
Principle #40Composite materials

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 real-time detection of misties and monitoring of bale quality, improving bale integrity and quality assessment, allowing operators to make immediate adjustments for better bale formation.

Implementation Method 1

one or more primary sensors configured to obtain electromagnetic reflectance information for the crop material

Methodology Applied
Scientific EffectElectromagnetic reflectance: Reflection

Data Source

PatentEP3811768B1Systems and methods for monitoring BALE composition
Publication Date: 2026.02.11 GREAT PLAINS MANUFACTURING INC
  • EP3811768B1 patent drawingFigure 1~3
  • EP3811768B1 patent drawingFigure 2
  • EP3811768B1 patent drawingFigure 4~6

AI summary

A bale composition determination system (10) comprising a baler (14) configured to pick up crop material cut and lying on the ground in the form of a windrow and to form bales of the crop material. The system additionally includes one or more sensors (50) configured to obtain electromagnetic reflectance information for the crop material. The system further includes a control system (52) configured to receive the electromagnetic reflectance information for the crop material and to generate vegetation index values for the bales of crop material based on the electromagnetic reflectance information.