Work Vehicle Route Regeneration From Completed Travel Paths
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Solution Overview
Problem
Conventional automatic traveling methods for work vehicles face issues when setting information changes, leading to unworked areas or excessive overlap between work areas due to regeneration of the target route based on a reference line.
Innovation Solution
The method involves generating a second target route with reference to the work-completed route after setting information change, allowing the work vehicle to continue automatic travel appropriately.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the target route is regenerated based on a reference line when setting information changes, then the automatic traveling can be continued, but unworked areas are generated or overlap amount becomes larger than the set lap width
Solution Approach 1:
The patent creates a virtual copy of the work-completed route and uses it as the new reference line for regenerating the target route. This copying approach ensures that the regenerated route maintains the same spatial relationship and overlap characteristics as the original route, preventing unworked areas and excessive overlap when setting information changes.
Solution Approach 2:
The system continuously monitors the work-completed route and uses this feedback information to dynamically adjust the target route regeneration process. By referencing the actual completed work area, the system can recalculate the optimal target route that maintains proper lap width and coverage, ensuring accuracy even when work width or lap width settings are modified during operation.
2Adaptability or versatility
If the target route is regenerated based on the original reference line after setting information change, then the route can be updated, but the spatial relationship with already completed work areas is lost
Solution Approach 1:
The patent implements a dynamic reference line selection mechanism that adapts based on the current work state. When setting information changes, the system dynamically switches from using the original reference line to using the work-completed route as the reference, allowing the system to maintain both flexibility in adapting to new settings and stability in preserving the spatial relationship with completed work areas.
Data Source
AI summary
A vehicle control device causes a work vehicle to automatically travel in accordance with a target route set in advance. The generation processing unit generates, in a case where setting information related to automatic traveling is changed after the work vehicle starts automatic traveling corresponding to the target route, a target route with reference to a work-completed route along which the work vehicle has performed work immediately before. The vehicle control device causes the work vehicle to automatically travel in accordance with the target route.