Seed-Location Material Placement With Sensor Feedback Control
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Solution Overview
Problem
Current agricultural systems apply materials, such as fertilizers and pesticides, in a continuous manner, leading to wastage and inefficiency, particularly when applied between seeds or plants, resulting in lower productivity and efficiency.
Innovation Solution
An agricultural system that identifies seed locations and applies materials based on these positions, using sensors to detect the application location and generate control signals for precise material dispensing, allowing for variable application rates and patterns relative to seed locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If material is applied in a continuous manner, then the application process is simple and uninterrupted, but material wastage increases and efficiency decreases
Solution Approach 1:
The system performs preliminary identification of seed locations using sensors before material application occurs. This advance knowledge allows the control system to activate material application only at specific locations where seeds are present, preventing wastage while maintaining operational efficiency. The preliminary detection of target locations enables selective application without continuous material discharge.
Solution Approach 2:
The system transitions from uniform continuous material application to location-specific variable application. By identifying individual seed positions and applying material only at those specific locations, the system creates local quality variations in material distribution. This ensures material is concentrated where needed (at seed locations) while reducing or eliminating application in areas where it is not needed, thereby reducing wastage.
2Productivity
If material is applied continuously, then the application process is straightforward, but productivity and efficiency are reduced
Solution Approach 1:
The system incorporates sensor feedback mechanisms that continuously monitor seed locations and provide real-time information to the control system. This feedback loop enables dynamic adjustment of material application timing and location, allowing the system to respond to actual field conditions. The feedback mechanism ensures material is applied only when and where seeds are present, maximizing application efficiency and productivity.
Solution Approach 2:
The system transitions from static continuous material application to dynamic location-based variable application. The material application rate and timing are dynamically adjusted based on real-time sensor detection of seed positions. This dynamic control allows the system to optimize material placement efficiency by concentrating application efforts at productive locations while minimizing waste at non-productive locations.
3Manufacturing precision
If material is applied without location detection, then the application process is simple, but precision and target accuracy are poor
Solution Approach 1:
The system replaces mechanical or manual material application methods with sensor-based detection and electronic control systems. Instead of relying on continuous mechanical dispensing, the system uses optical, electromagnetic, or other sensing mechanisms to detect seed locations and triggers electronic control signals to activate material application only at detected positions. This substitution enables precise target accuracy while managing system complexity through integrated sensor-control mechanisms.
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
Enables precise and efficient application of materials, reducing wastage and enhancing productivity by applying fertilizers and pesticides only where needed, thus optimizing resource use.
Implementation Method 1
a material sensor configured to sense a characteristic of the material and generate a material sensor signal indicative of the characteristic
Data Source
AI summary
Locations of seeds in a field can be identified. A material is applied to the field by an agricultural machine, based upon the seed locations. The placement of the material is detected and the agricultural machine is controlled.