Grain Transfer Control System for Uniform Fill
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Solution Overview
Problem
Current agricultural systems face challenges in achieving a uniform fill of grain holding receptacles during grain transfer operations between combine harvesters and grain transport vehicles, requiring complex subsystems and significant operator intervention, especially with larger grain carts, leading to inefficiencies and potential grain spillage.
Innovation Solution
A grain transfer control system that automates the positioning and speed of transferor-type and transferee-type vehicles relative to each other, using a discharge spout that walks along the length of the grain holding receptacle to ensure a uniform fill, with features like GPS positioning, sensor inputs, and communication control to maintain optimal grain transfer without operator intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual operator control is used for grain transfer operations, then flexibility and adaptability are maintained, but operator attention is required continuously and uniform fill is difficult to achieve
Solution Approach 1:
The system enables self-service operation through automated control. The discharge spout automatically walks along the grain holding receptacle and the vehicle positioning is controlled without continuous operator intervention, allowing the system to manage itself during grain transfer operations
Solution Approach 2:
Manual mechanical control is replaced with an automated control system that uses sensors, processors, and automated actuators to control the discharge spout positioning and vehicle movement, substituting human-operated mechanical systems with automated electro-mechanical systems
2Manufacturing precision
If complex subsystems are used to achieve uniform fill, then fill uniformity improves, but device complexity increases significantly
Solution Approach 1:
Multiple control functions are merged into a single integrated control system. The system combines discharge spout control, vehicle positioning control, and fill uniformity management into one unified automated control architecture that coordinates all functions through a central controller
Solution Approach 2:
The automated control system performs multiple functions simultaneously: it controls discharge spout positioning, manages vehicle relative positioning, monitors grain transfer rate, and ensures uniform fill distribution, making the system multi-functional rather than requiring separate subsystems for each function
3Device complexity
If the discharge spout remains stationary during transfer, then system simplicity is maintained, but grain holding receptacle fill uniformity deteriorates
Solution Approach 1:
The discharge spout is made dynamic by implementing a walking mechanism that moves it along the length of the grain holding receptacle during the transfer operation. This dynamic positioning allows the spout to distribute grain evenly across the receptacle rather than dumping it at a single stationary location
Solution Approach 2:
The discharge spout movement adds a longitudinal dimension to the grain discharge process. Instead of grain being deposited only at one location, the spout travels along the length of the receptacle, distributing grain across multiple positions and achieving uniform fill along the entire receptacle length
4Ease of operation
If vehicle positions are not controlled relative to each other, then operational simplicity is maintained, but transfer efficiency and fill accuracy decrease
Solution Approach 1:
The system implements feedback control by continuously monitoring the relative positions of the transferor and transferee vehicles and adjusting their positioning accordingly. Sensors detect position deviations and the control system makes real-time adjustments to maintain optimal alignment for efficient grain transfer
Solution Approach 2:
The system performs preliminary positioning actions to bring the transferor and transferee vehicles into optimal relative positions before the grain transfer operation begins. This pre-positioning ensures that the discharge spout is correctly aligned with the grain holding receptacle, preventing misalignment during transfer and improving efficiency
Data Source
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AI summary
A grain transfer control system, and method of use thereof, for automatedly controlling the transfer of grain from a mobile transferor-type vehicle (CH1), such as a combine harvester, to a mobile transferee-type vehicle (GT1), such as a crop transport, by varying the position and speed of the transferor-type and transferee-type vehicle (GT1 )s relative to one another during the transfer operation, especially by varying the position and rate of walk of the discharge spout (62) along at least a portion of the length of a grain holding receptacle (70) of the transferee-type vehicle (GT1), to effect a generally even fill of the grain holding receptacle (70) of the transferee-type vehicle (GT1) along the length of the grain holding receptacle (70).