Spreader Path Visualization for Uniform Field Spreading
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Solution Overview
Problem
Existing spreader apparatuses struggle to evenly distribute spreading objects like fertilizers or seeds over fields, especially when the objects are similar in color to the ground or weeds, and operators must frequently stop to check the spread status, reducing efficiency.
Innovation Solution
A spread assist device equipped with a position detector and controller that generates a virtual overhead view image showing the spread path, allowing operators to monitor and adjust spreading operations in real-time without leaving the vehicle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the spreading object is similar in color to the ground or weeds, then it is difficult to distinguish the spread status, but stopping to check the spread status reduces operational efficiency
Solution Approach 1:
The patent uses an image capturing device to capture images of the spread field and generates a virtual overhead view image that copies and represents the actual spread status. This virtual image is displayed to the operator, allowing accurate visual detection of spread status without physically stopping to inspect the field, thus resolving the contradiction between detection accuracy and operational efficiency
Solution Approach 2:
The patent introduces a camera system and image processing system as an intermediary between the spreading operation and the operator's observation. The image capturing device and display system act as a mediator that transmits spread status information to the operator in real-time, eliminating the need for direct visual inspection and allowing continuous operation while maintaining accurate monitoring
2Loss of information
If the operator checks the spread status by stopping and getting off the spreader apparatus, then accurate visual inspection is possible, but operational efficiency decreases
Solution Approach 1:
The patent enables continuous spreading operation by providing real-time image capture and display functionality. The image capturing device continuously captures the spread field, and the display device continuously shows the virtual overhead view image to the operator, allowing uninterrupted monitoring and operation without stopping, thus eliminating time loss while maintaining complete information about spread status
Solution Approach 2:
The patent implements a feedback system where the image capturing device continuously monitors the spread status and feeds this information back to the operator through the display device. This real-time feedback loop allows the operator to see the spread status without stopping, maintaining both information accuracy and operational continuity
3Ease of operation
If a virtual overhead view image with spread path is generated and displayed, then continuous monitoring is enabled, but device complexity increases
Solution Approach 1:
The patent utilizes existing components of the spreader apparatus (controller, display device, position detector) for multiple functions. The controller not only controls spreading but also processes image data; the display device not only shows operational parameters but also displays the virtual overhead view image; the position detector provides both navigation information and spread path data. This multi-functionality reduces the need for additional dedicated components, minimizing complexity increase while improving ease of operation
Data Source
AI summary
A spread assist device for assisting spreading by a spreader apparatus according to an embodiment includes a position detector configured to detect a position of the spreader apparatus and a controller. The controller is configured to obtain spread width information indicating a spread width of the spreading object to be spread by the spreader apparatus, obtain tracking information of the detected position of the spreader apparatus detected by the position detector, and generate a virtual overhead view image including a spread path based on the obtained spread width information and tracking information.