Windrower Roller Gap and Pressure Control
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Solution Overview
Problem
Current windrower machines require manual adjustment of conditioning rollers based on changing crop conditions, which can lead to inefficient drying times and increased leaf loss due to inconsistent crimping action.
Innovation Solution
Implementing a system with a sensor array and actuators that adjust the distance and pressure of conditioning rollers in real-time using sensor data, such as header load measurements and image analysis, to optimize crimping and drying rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual adjustment of conditioning rollers is used, then device complexity is reduced, but manufacturing precision and consistency of crimping action deteriorate
Solution Approach 1:
The system uses sensors to detect crop conditions and automatically adjusts roller position and pressure without operator intervention. The controller processes sensor data and commands actuators to maintain optimal crimping parameters, enabling the system to self-regulate based on real-time conditions.
Solution Approach 2:
Sensors continuously monitor crop density, moisture content, and roller performance, feeding this data back to the controller. The controller compares actual conditions with target parameters and dynamically adjusts roller position and pressure to maintain consistent crimping action despite varying crop conditions.
2Ease of operation
If manual adjustment of conditioning rollers is used, then ease of operation is improved, but productivity and drying efficiency deteriorate
Solution Approach 1:
The system automatically monitors and adjusts roller parameters based on sensor feedback, eliminating the need for continuous manual intervention. This enables the system to optimize drying efficiency in real-time while reducing operator workload to simple monitoring or override functions.
Solution Approach 2:
The roller position and pressure are dynamically adjusted in real-time based on varying crop conditions detected by sensors. The system transitions from static manual settings to dynamic automated control, allowing optimal crimping parameters to be maintained throughout the harvesting process regardless of crop variability.
3Device complexity
If fixed roller configuration is used, then device complexity is reduced, but adaptability to different crop conditions deteriorates
Solution Approach 1:
The system enables dynamic adjustment of roller position and pressure in response to varying crop conditions. Sensors detect changes in crop density, moisture, and stem characteristics, and the controller automatically modifies roller parameters to maintain effective crimping across different crop types and conditions.
Solution Approach 2:
The system changes operational parameters (roller gap distance, roller pressure, rotation speed) based on detected crop conditions. By dynamically adjusting these parameters rather than using fixed settings, the system adapts to different crop types, densities, and moisture contents while maintaining consistent processing quality.
Data Source
AI summary
One or more techniques and/or systems are disclosed for automatically adjusting conditioning rollers of a windrower implement, such as those used to condition hay and other windrowed crops. Adjustments can be made on the fly to rollers used to condition the crop based on several factors such as the condition of the crop, the density, speed, header conditions, and more. Sensors can be used to detect the crop's and others' conditions, and automatic adjustments can be made, such as the distance between conditioning rollers, and/or the pressure applied by the rollers, to meet a desired crop condition for the windrows.