Agricultural Implement Drift Control via Segmented Downforce Actuators
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Agricultural implements such as planters and seeders tend to drift sideways while traversing fields due to uneven forces on their left and right sides, which existing technologies have not effectively addressed.
Innovation Solution
The implementation of variably adjustable downforce actuators, which can be hydraulic, pneumatic, or electrical, are used to apply adjustable downforce to each tool or tool section of the implement, allowing for real-time balancing of forces on both sides through a control system that measures and adjusts the downforce to maintain straight travel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If conventional fixed downforce systems are used, then the implement structure is simple, but the implement drifts sideways due to uneven forces on left and right sides
Solution Approach 1:
The downforce system is segmented into multiple independently adjustable downforce actuators, with at least one actuator positioned at different locations along the implement. Each actuator can be adjusted independently to apply customized downforce to specific sections, allowing balance of forces on left and right sides while maintaining structural simplicity through modular design
Solution Approach 2:
The downforce system transitions from fixed to dynamically adjustable, allowing real-time modification of downforce application. The actuators can be adjusted during operation to compensate for varying field conditions, ensuring the implement maintains straight travel by balancing forces on left and right sides while adapting to changing operational requirements
2Stability of the object's composition
If variably adjustable downforce actuators are added to prevent drift, then implement stability improves, but device complexity increases
Solution Approach 1:
The downforce system is segmented into multiple independently adjustable downforce actuators, with at least one actuator positioned at different locations along the implement. Each actuator can be adjusted independently to apply customized downforce to specific sections, allowing balance of forces on left and right sides while maintaining structural simplicity through modular design
Solution Approach 2:
The system incorporates sensors that automatically detect drift conditions and trigger adjustments to the downforce actuators without requiring constant manual intervention. The control system monitors implement position and automatically adjusts downforce distribution to maintain straight travel, reducing operational complexity while improving stability
3Stability of the object's composition
If downforce is increased to maintain ground contact, then implement stability improves, but soil compaction increases
Solution Approach 1:
Different sections of the implement can have different downforce levels applied through independently adjustable actuators. This allows optimization of ground contact at specific locations where it is most needed while minimizing unnecessary downforce in other areas, thereby reducing overall soil compaction while maintaining sufficient stability for straight travel
Solution Approach 2:
The system dynamically adjusts downforce parameters based on real-time conditions, allowing the operator to optimize the balance between ground contact and soil compaction. By varying downforce levels across different sections and over time, the system maintains adequate ground contact for stability while minimizing harmful compaction effects on soil structure
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution effectively prevents or minimizes drift by balancing the forces on either side of the implement, ensuring consistent and efficient operation, maintaining ground contact, and optimizing soil penetration depth without excessive compaction.
Implementation Method 1
apply a downforce to the tool or to the tool section
Implementation Method 2
a sensor is disposed to measure the downforce applied to the tool or to the tool section
Data Source
Figure 1A
Figure 1B
Figure 2
AI summary
[0065] A method to prevent drift in an agricultural implement. Drift is when one side of an agricultural implement is further behind or further ahead of the other side of the agricultural implement in a direction of travel. Drift can be controlled by increasing a downforce on the side that is further ahead, decreasing force on the side that is further behind, or a combination of both. The force can be a moment of force.