Agricultural Spreader Start Configuration for Boundary Accuracy

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Solution Overview

Problem

Existing methods for spreading materials on agricultural land struggle to maintain an intended distribution, especially near spreading boundaries and during transitions into and out of headlands, leading to significant deviations in material distribution.

Innovation Solution

An automated method using an electronic control device to anticipatorily set a start configuration for the agricultural spreader before reaching an activation point, ensuring precise distribution of spreading material by adjusting the spreading disk rotational speed and dispensing point settings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If spreading material is continuously dispensed during headland transitions, then spreading coverage is maintained, but significant deviations from intended distribution occur in boundary regions

Engineering Contradiction:
Improvedistribution accuracyVSAvoidspreading continuity
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The electronic control device performs anticipatory setting of the start configuration before the agricultural spreader reaches the activation point. This preliminary action allows the spreading machine to prepare the optimal configuration in advance, ensuring accurate material distribution when resuming spreading at the activation point, while maintaining continuous operation throughout the headland transition.

Inventive Principle:
Principle #10Preliminary action

2Manufacturing precision

If spreading is interrupted at spreading boundaries, then material distribution accuracy is improved, but spreading continuity is reduced and requires frequent configuration adjustments

Engineering Contradiction:
Improvematerial distribution precisionVSAvoidspreading interruption time
Core Design Contradiction:
Manufacturing precisionVSLoss of time

Solution Approach 1:

The system anticipatorily sets the start configuration before reaching the activation point, eliminating the need for manual configuration adjustments during spreading interruptions. This preliminary automated setting reduces the time loss associated with interruptions while maintaining material distribution precision at spreading boundaries.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The electronic control device automatically manages the spreading configuration without requiring manual intervention. The system self-adjusts the start configuration based on pre-stored activation points and boundary information, reducing operator workload and minimizing time losses during spreading interruptions at boundaries.

Inventive Principle:
Principle #25Self-service

3Measurement precision

If manual configuration adjustment is performed at activation points, then spreading accuracy can be maintained, but operator workload increases and response time is delayed

Engineering Contradiction:
Improvespreading boundary accuracyVSAvoidoperator workload
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The electronic control device automatically determines and sets the start configuration at activation points based on pre-stored boundary information and activation points. This self-service capability eliminates manual configuration adjustments, reducing operator workload while maintaining or improving spreading boundary accuracy through automated precision control.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system uses pre-stored activation point data and boundary information to automatically adjust the spreading configuration. This feedback mechanism ensures that the correct configuration is applied at the correct location without manual intervention, improving both accuracy and ease of operation.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS12302778B2Method for spreading spreading material onto agricultural land
Publication Date: 2025.05.20 AMAZONEN WERKE H DREYER GMBH & CO KG
  • US12302778B2 patent drawing

AI summary

The invention relates to a method for spreading spreading material onto agricultural land (12) by way of an agricultural spreader (10), with the steps of: providing information on spreading boundaries (14) of agricultural land (12) to an electronic control device and moving the agricultural spreader (10) in the direction of a predetermined activation point in the vicinity of a spreading boundary (14) of the agricultural land (12) at which the start of dispensing spreading material onto at least one spreading disk is intended, where, while the dispensing of the spreading material is interrupted, the electronic control device automatically induces an anticipatory setting for a start configuration predetermined for the activation point at the agricultural spreader (10) before the agricultural spreader (10) reaches the activation point.