Division Map Creation for Agricultural Work Fields
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Solution Overview
Problem
Existing field management systems, such as those described in Japanese Patent Application Laid-open No. 2011-254711, face challenges in efficiently creating division maps that align with varying work vehicle routes and widths, leading to potential deviations and inefficiencies in data usage during fertilization and harvesting processes.
Innovation Solution
A division map creation system that acquires work field information, including shape and position, to determine travel routes and divide the field into sections based on work vehicle travel directions and widths, allowing for the creation of customized division maps for each vehicle type, stored in a memory for efficient data association.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a fixed mesh-based fertilization map is created for the entire field, then data management is simplified, but the map does not align with varying work vehicle routes and widths causing data correspondence issues
Solution Approach 1:
The patent divides the work field into multiple sections based on work vehicle travel routes and work widths. Each section is further divided into division maps that correspond to specific work vehicle operations. This segmentation allows the system to maintain simple data management while achieving precise data correspondence by creating customized division maps for different vehicle types and routes.
2Measurement precision
If division maps are created for each work vehicle type with different work widths, then data correspondence improves, but system complexity increases
Solution Approach 1:
The patent creates division maps by dynamically adjusting parameters such as section division intervals and map boundaries based on work vehicle-specific parameters like work width and travel route. This allows the system to generate customized division maps for different vehicle types while using a unified creation methodology, thereby improving data correspondence without proportionally increasing system complexity.
3Manufacturing precision
If the field is divided into many small sections to match work vehicle paths, then operational precision improves, but processing time and computational load increase
Solution Approach 1:
The patent performs preliminary actions by acquiring work field information and determining optimal section division intervals before creating the actual division maps. The system pre-calculates division boundaries based on work vehicle routes and widths, allowing for efficient map generation without excessive processing time during actual operations.
Data Source
AI summary
A division map creation system includes circuitry and a memory. The circuitry is configured to acquire work field information including a shape of a work field and a position of the work field and to acquire travel routes based on the work field information. Each of work vehicles is configured to travel along each of the travel routes in the work field. The circuitry is configured to divide the work field into a plurality of sections in order to create division maps based on a travel direction in which each of the work vehicles travels along each of the travel routes and based on a work width within which each of the work vehicles works while travelling in the work field. The memory is to store the division maps such that each of the division maps corresponds to each of the work vehicles.