Agricultural Sprayer Railing Control for Boom Folding Clearance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The operation of agricultural sprayers with long boom assemblies is hindered by components that make it difficult to fully fold the boom arms for road travel, and manual adjustment of railings complicates the process, especially for autonomous systems.
Innovation Solution
A computing system that controls actuators to automatically pivot a railing relative to the platform based on the position of the boom arm, ensuring clearance for folding and unfolding, thereby preventing damage and eliminating the need for manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the boom arm is made long to increase spraying width, then the spraying efficiency is improved, but the difficulty of folding the boom arm for road travel increases
Solution Approach 1:
The computing system receives a signal indicating the boom arm is in a folded position and proactively commands the actuator to pivot the railing to a retracted position in advance. This preliminary action ensures the railing is clear of the boom arm's path before folding begins, preventing interference and enabling the long boom arm to fold completely without obstruction.
2Device complexity
If manual adjustment of the railing is required for boom arm folding, then the device complexity is reduced, but the ease of operation deteriorates
Solution Approach 1:
The system automatically determines the boom arm position using sensors and autonomously controls the actuator to adjust the railing position without operator intervention. The computing system monitors boom arm position signals and self-manages the railing adjustment, eliminating manual operation while maintaining system simplicity through automated decision-making.
3Ease of operation
If the railing is positioned to provide operator access to the platform, then the ease of operation is improved, but the ability to fold the boom arm completely deteriorates
Solution Approach 1:
The railing position is made dynamic rather than fixed. The actuator pivots the railing between an extended position (providing operator access when boom arm is unfolded) and a retracted position (clearing the path when boom arm folds). This dynamic adjustment allows the same railing structure to serve both functions at different times, resolving the contradiction between accessibility and folding capability.
4Ease of operation
If automated control of the railing is implemented, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The computing system receives feedback signals from position sensors that detect the boom arm's folded and unfolded positions. Based on this feedback, the system automatically commands the actuator to adjust the railing position accordingly. This feedback mechanism enables simple automated control logic that improves operation ease while minimizing complexity through sensor-based decision-making.
Data Source
AI summary
An agricultural sprayer includes a chassis and a boom arm supported on the chassis, with the boom arm moveable relative to the chassis. Furthermore, the agricultural sprayer includes a plurality of nozzle assemblies supported on the boom arm, with the plurality of nozzle assemblies configured to dispense an agricultural fluid onto an underlying field. Additionally, the agricultural sprayer includes a cab supported on the chassis, a platform supported on the chassis and positioned outside of the cab, and a railing pivotably coupled to the platform. Moreover, the agricultural sprayer includes an actuator configured to pivot the railing relative to the platform. In addition, the agricultural sprayer includes a computing system configured to receive an input indicative of a position of the boom arm relative to the chassis and control an operation of the actuator based on the position of the boom arm relative to the chassis.