Autonomous Weeder Lift Control for Row-Based Field Work
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Solution Overview
Problem
Existing work vehicles face difficulties in performing appropriate work due to misjudgment of lifting and lowering the work machine during autonomous travel.
Innovation Solution
A method for controlling a work vehicle to autonomously travel and control lifting and lowering of the work machine based on the arrangement of work target rows and work content, utilizing a work vehicle control system with a traveling processing unit and a lifting and lowering processing unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the work vehicle autonomously travels while performing work, then productivity is improved, but the work appropriateness deteriorates due to operator misjudgment of lifting and lowering timing
Solution Approach 1:
The work vehicle system performs self-control of the work machine lifting and lowering operations through automatic control processing. The control system autonomously determines the timing of lifting and lowering based on work target row arrangement and work content, eliminating the need for operator judgment and intervention. This self-service mechanism resolves the contradiction by maintaining high autonomous travel efficiency while ensuring reliable and appropriate work execution through automated timing control.
2Reliability
If manual control of work machine lifting and lowering is used, then work appropriateness can be adjusted, but productivity decreases due to operator intervention requirements
Solution Approach 1:
The patent replaces manual mechanical control with an automatic control system that uses processing units to determine lifting and lowering timing. The control system substitutes operator judgment and manual intervention with automated electronic control based on work target row arrangement and work content. This substitution maintains work appropriateness through precise automated timing while eliminating the productivity loss associated with manual intervention and operator decision-making delays.
3Productivity
If autonomous travel is implemented, then productivity is improved, but measurement precision of work timing deteriorates due to operator misjudgment
Solution Approach 1:
The control system implements feedback mechanisms by continuously monitoring work target row arrangement and work content to automatically adjust lifting and lowering timing. The system uses measurement information from sensors and processing units to precisely determine the optimal timing for work machine operations, providing accurate feedback-based control that eliminates operator misjudgment. This feedback control maintains high autonomous travel efficiency while achieving precise timing measurement and control.
Data Source
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AI summary
[Problem] To provide a method for controlling a work vehicle, a work vehicle control program, a work vehicle control system, and a work vehicle that easily performs more appropriate work. [Solution] A method for controlling a work vehicle 1 is a method for controlling a work vehicle to which a work machine (a weeder 402) is attached and which performs work while moving in a work site (a field F1) where a plurality of work target rows including a plurality of work objects is arranged and includes causing the work vehicle 1 to autonomously travel, and controlling lifting and lowering of the work machine (the weeder 402) during autonomous travel of the work vehicle 1 at timing determined based on an arrangement of the work target rows in the work site (the field F1) and a work content.