Unloading Spout Control via Path Prediction
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Solution Overview
Problem
Existing unloading systems for forage harvesters and combine harvesters often struggle to realign the spout quickly enough in response to changing harvesting or field conditions, leading to material spillage due to insufficient proactive adjustment of the spout position and speed.
Innovation Solution
A controller system that processes path information signals and image data to determine relative positioning characteristics, allowing for proactive adjustment of the unloading apparatus and collection vehicle attributes, such as speed and direction, to anticipate and prepare for changes in the unloading path, thereby reducing material spillage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system reacts to changes in actual images, then the spout can be realigned in response to changing conditions, but the response time is insufficient and some crop is lost
Solution Approach 1:
The system uses path information signals to predict future positions of the container and spout before actual misalignment occurs. The controller proactively adjusts the spout position and harvesting speed based on anticipated path changes, eliminating the delay inherent in reactive image-based systems.
2Manufacturing precision
If the spout position is adjusted frequently to adapt to changing conditions, then material can be directed more accurately, but the system complexity increases
Solution Approach 1:
The system continuously receives path information signals about the container's movement and uses this feedback to dynamically adjust the spout position and harvesting speed. This closed-loop control enables precise material direction while managing complexity through systematic feedback processing.
Data Source
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AI summary
A controller (12) for an unloading system (100), the unloading system (100) comprising (i) an unloading vehicle (102) having an unloading apparatus (1) and (ii) a collection vehicle (106) having a container (4), wherein the unloading apparatus (1) is configured to direct material (3) to the container (4) driven in the vicinity of the unloading vehicle (102), and wherein the controller (12) is configured to: receive image data (19) representative of at least a portion of the container (4); receive a path information signal (31) representative of a path (108, 110) that is to be followed by the unloading vehicle (102) or the collection vehicle (106); and set an attribute of the unloading apparatus (1), unloading vehicle (102) and/or collection vehicle (106) in accordance with the image data (19) and the path information signal (31) in order to direct the material (3) from the unloading apparatus (1) to the container (4).