Dual-Flow Feeder Sensing for Harvester On-Row Alignment
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Solution Overview
Problem
Agricultural harvesters face challenges in adjusting to sudden changes in crop throughput, leading to crop losses or reduced efficiency due to misalignment of the header with crop rows, which traditional systems fail to address promptly.
Innovation Solution
An agricultural system with dual sensors monitoring separate flows of harvested materials through distinct lateral sections of the feeder, coupled with a computing system to determine if the harvester is on-row or off-row, enabling adjustments such as steering corrections to align the header with crop rows.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the crop processing system operates at a fixed processing speed, then the system is simple to control, but it cannot quickly adapt to sudden changes in crop throughput from the header
Solution Approach 1:
The patent implements a feedback control system where sensors continuously monitor crop throughput at the header and feed this information to the control system. The control system then adjusts processing parameters in real-time based on the monitored throughput, enabling the system to adapt to sudden changes while maintaining relatively simple operational control for the operator.
Solution Approach 2:
The patent makes the processing system dynamic by enabling continuous adjustment of processing speed and parameters based on real-time crop throughput conditions. Instead of fixed operation, the system dynamically modifies its operational characteristics to match the varying crop flow from the header, resolving the contradiction between adaptability and complexity.
2Productivity
If the crop processing system operates at high speed, then productivity increases, but crop losses occur when throughput suddenly increases from the header
Solution Approach 1:
The control system continuously monitors crop throughput and uses this feedback to dynamically adjust processing speed. When throughput increases suddenly, the system detects this change and increases processing speed to prevent crop losses. When throughput decreases, the system reduces speed to maintain processing quality, thus resolving the contradiction between maintaining high productivity and preventing crop losses.
Solution Approach 2:
The system performs preliminary detection of crop throughput changes and takes preventive action by adjusting processing parameters before significant crop losses can occur. The continuous monitoring allows the system to anticipate and prepare for throughput variations, maintaining both high productivity and reliability.
3Manufacturing precision
If the crop processing system operates at low speed, then crop cleaning efficiency improves, but harvesting productivity decreases
Solution Approach 1:
The patent makes the processing system dynamic by continuously adjusting processing speed and cleaning parameters based on real-time crop throughput conditions. This allows the system to optimize the balance between cleaning efficiency and productivity, operating at higher speeds when appropriate while maintaining quality standards, thus resolving the contradiction between precision and productivity.
Solution Approach 2:
The system changes multiple operational parameters simultaneously (processing speed, cleaning intensity, separation settings) based on throughput conditions. This multi-parameter adjustment allows the system to maintain high productivity while ensuring adequate cleaning efficiency, as the combined effect of parameter changes compensates for operating at higher speeds.
4Ease of operation
If the header is manually aligned with crop rows, then the operator has full control, but response time to detect misalignment is delayed
Solution Approach 1:
The patent implements automated feedback systems using sensors to continuously monitor crop throughput and detect misalignment conditions. This automated detection provides immediate feedback to the control system, which can then alert the operator or automatically adjust the header alignment. The operator retains full control through the interface but benefits from real-time detection, resolving the contradiction between manual control and rapid detection.
Solution Approach 2:
The system introduces an intermediary automated detection and control layer between the operator and the header alignment process. This intermediary continuously monitors conditions and provides real-time information to the operator, enabling rapid detection of misalignment while the operator maintains ultimate control over the alignment adjustments.
Data Source
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AI summary
An agricultural system for monitoring throughput of a feeder (34) configured for use with a harvester (10) performing a harvesting operation within a field may include a feeder housing and a feed assembly (35) configured to direct a first flow of harvested materials (F1) and a second flow of harvested materials (F2) through the feeder (34). The agricultural system may further include a first sensor (102) configured to generate first data indicative of the first flow of harvested materials (F1) through a first lateral section (LS1) of the feeder (34). Similarly, the agricultural system may include a second sensor (102) configured to generate second data indicative of the second flow of harvested materials (F2) through a second lateral section (LS2) of the feeder (34). Additionally, the agricultural system may include a computing system (202) configured to determine whether the harvester (10) is on-row based at least in part on the first data and the second data.