Spreader Working Width Control for Lane-Independent Material Distribution
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Solution Overview
Problem
Existing agricultural spreaders lack a method to determine a machine- and spreading material-specific maximum working width that is independent of lane-dependent systems, leading to inefficiencies in material distribution due to external influences.
Innovation Solution
A method involving a sensory spreading material detection system and an electronic data processing device calculates a machine- and spreading material-specific maximum working width, taking into account measured values and external influences to maintain a variance-stable distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a lane-dependent system is used for spreading material, then the spreading operation follows predetermined tracks, but the maximum working width is constrained by lane spacing requirements
Solution Approach 1:
The system employs sensors to detect the actual distribution of spreading material and feeds this information back to the control unit. The control unit compares the detected distribution with the target distribution and automatically adjusts spreading parameters in real-time, enabling lane-independent operation while maintaining uniform coverage
Solution Approach 2:
The system dynamically adjusts spreading parameters such as disk speed, material feed rate, and disk angle based on real-time sensor data and actual operating conditions. This dynamic adaptation allows the spreader to optimize its working width for each specific situation rather than being constrained by fixed lane spacing
2Productivity
If the maximum working width is increased to minimize parallel runs, then productivity improves, but material distribution uniformity deteriorates due to external influences
Solution Approach 1:
Sensors continuously monitor the actual material distribution across the working width and provide feedback to the control unit. The control unit processes this data and makes real-time adjustments to spreading parameters, compensating for external influences such as wind and terrain variations even at maximum working width
Solution Approach 2:
The system automatically changes spreading parameters including disk rotational speed, material feed rate, and disk ejection angle based on detected distribution patterns and environmental conditions. These parameter adjustments maintain uniform material distribution regardless of the working width being utilized
3Measurement precision
If sensor-based detection is implemented to improve distribution precision, then measurement precision improves, but device complexity increases
Solution Approach 1:
The system replaces complex mechanical adjustment mechanisms with an electronic control system that uses sensors and algorithms to automatically adjust spreading parameters. This substitution of mechanical systems with electronic control achieves precise material distribution while reducing mechanical complexity
Solution Approach 2:
The control unit serves multiple functions: it processes sensor data, calculates optimal spreading parameters, controls spreading mechanisms, and adapts to various spreading materials and conditions. This multi-functionality consolidates what would otherwise require separate systems into a single integrated unit
Data Source
AI summary
A method for determining a machine- and spreading material-specific and lane-independent maximum working width, comprising throwing spreading material by means of at least one spreader disk of an agricultural spreader and detecting the thrown spreading material by means of a sensory spreading material detection system of the agricultural spreader.