Headland Guidance Tracks From Field Boundary Seed Paths
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Solution Overview
Problem
Current farm machinery systems lack efficient methods for autonomously or semi-autonomously navigating and working the headlands of agricultural fields, which are critical for edge turns and maximizing field usage, often resulting in inefficient operations and potential damage to crops.
Innovation Solution
A system and method that utilize an electronic controller to segment the agricultural field boundary into workable areas, including headlands, by generating a seed track based on the field edge shape and replicating it to define guidance tracks for the headlands, allowing agricultural machines to follow precise paths for efficient operation and crop management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If farm machinery operates in headlands without dedicated guidance tracks, then the machinery can access edge turns, but crop damage increases and operation efficiency decreases
Solution Approach 1:
The field boundary polygon is segmented into multiple segments including a headland polygon and a work partition polygon. The headland polygon is further segmented to identify specific boundary segments shared with the field edge boundary, enabling targeted guidance track generation for headland areas.
Solution Approach 2:
A seed track is generated based on the shape of the identified headland boundary segment, and this seed track is then replicated at defined spacings throughout the headland polygon to create multiple guidance tracks. This copying approach ensures consistent spacing and proper coverage of the headland area.
2Manufacturing precision
If traditional field segmentation is used without headland-specific tracks, then work partition operations are efficient, but headland operations result in imprecise machinery paths
Solution Approach 1:
The field boundary polygon is divided into distinct segments including headland polygon and work partition polygon, allowing separate guidance track generation for each area with appropriate precision requirements.
Solution Approach 2:
A seed track is generated in advance based on the headland boundary shape before replicating it. This preliminary action ensures that the fundamental path geometry is established correctly before creating multiple instances, maintaining precision without excessive complexity.
3Productivity
If guidance tracks are generated without considering headland geometry, then system operation is simple, but field usage optimization is reduced
Solution Approach 1:
The guidance track generation process applies local quality by identifying segments of the headland polygon boundary that are shared with the field edge boundary, and generating seed tracks specifically based on these local geometric characteristics rather than applying a uniform approach throughout the entire field.
Solution Approach 2:
The seed track is replicated at defined spacings throughout the headland polygon to generate multiple guidance tracks efficiently. This copying method optimizes field usage by ensuring proper coverage while maintaining manageable system complexity through automated repetition.
Data Source
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AI summary
System and methods for generating a work plan for a headland of an agricultural field (e.g., the portion of the agricultural field that is used by an agricultural machine to perform edge turns while working a main work partition of the field). A field boundary polygon indicative of a workable area of the agricultural field is segmented into multiple segments including a headland polygon and a work partition polygon. A seed track is generated based on a shape of a portion of the boundary of the headland polygon that is shared in common with the boundary of the field boundary polygon. The work plan is generated by replicating the seed track at a defined spacing throughout the headland polygon. In some implementations, the agricultural machine is operated autonomously or semi-autonomously to work the headland area based on the defined work plan.