Autonomous Crop Spraying Route Control for Angled Rows
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Solution Overview
Problem
Conventional autonomously traveling work vehicles inefficiently spray chemicals when crop rows are angled relative to the travel route, leading to wasteful spraying on unsown areas and missed spraying on adjacent rows.
Innovation Solution
A system that generates a target route and adjusts the spraying direction of the work vehicle based on the position of adjacent crop rows, using a route generation processing unit and control information generation processing unit to optimize the spraying pattern.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the work vehicle uniformly stops spraying and moves to the subsequent travel route when reaching the end of a crop row, then the work vehicle can maintain a simple control system and travel route, but the chemical is sprayed in areas where crops are not planted or not sprayed on crops, reducing work efficiency
Solution Approach 1:
The spraying unit dynamically switches between different spraying directions (first direction for current row, second direction for adjacent row) based on real-time position detection. This dynamic adjustment allows the system to adapt to varying crop row configurations without requiring complex manual intervention, resolving the contradiction between simple control and high efficiency
Solution Approach 2:
The position detection unit continuously provides feedback about the work vehicle's position relative to crop rows, enabling the control unit to automatically adjust spraying direction. This feedback mechanism eliminates the need for complex manual control while maintaining high spraying efficiency by ensuring chemicals are applied only where crops are located
2Ease of operation
If the work vehicle continues spraying uniformly without switching direction, then the spraying operation is simple to control, but chemicals are wasted on unsown areas and adjacent crop rows are not adequately sprayed
Solution Approach 1:
The system performs self-adjustment of spraying direction based on automatic position detection and control algorithms. The work vehicle autonomously determines when to switch between spraying the current row and adjacent rows, eliminating the need for operator intervention while preventing chemical waste through precise targeting
Solution Approach 2:
The spraying direction parameter is automatically changed based on detected position relative to crop rows. The system transitions between different spraying modes (spraying current row vs. spraying adjacent row) by adjusting the directional parameter, thereby eliminating chemical waste without requiring complex manual operation
3Device complexity
If the work vehicle stops spraying at the end of each crop row, then the control logic remains simple, but adjacent crop rows with oblique endings are not adequately sprayed
Solution Approach 1:
The position detection unit continuously monitors crop row positions in advance, allowing the control unit to prepare for direction switching before the vehicle reaches row endings. This preliminary detection ensures that adjacent rows with oblique endings are identified and sprayed appropriately, maintaining reliable coverage without complex control logic
Solution Approach 2:
Continuous position feedback enables the system to automatically detect when approaching the end of a crop row and when adjacent rows need spraying. This feedback mechanism ensures complete spraying coverage by triggering direction switches at the appropriate moments without requiring complex predetermined control logic
Data Source
AI summary
A spraying work method includes generating a target route for a work vehicle that performs a spraying work on crops arranged in a plurality of rows in a field, causing the work vehicle to autonomously travel along the target route, and switching a spraying direction of a spray material for the crop by spraying units and provided in the work vehicle in accordance with a position of either the crop on a work route, on which the work vehicle performs the spraying work while autonomously traveling, or the crop adjacent to the work route.