Mobile Drift Sensing for Field Boundary Overspray Detection
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Solution Overview
Problem
Current systems for detecting overspray conditions in agricultural spraying are costly, cumbersome, and inefficient, particularly when field boundaries change, as they require fixed sensing apparatuses that need to be repeatedly installed and repositioned, and struggle to accurately detect the extent of overspray beyond field boundaries.
Innovation Solution
Deploying mobile, portable, or semi-permanent sensors, including unmanned aerial vehicles (UAVs) that sense wind speed and direction to identify monitor areas where overspray is likely to occur, allowing for dynamic positioning of sensors to detect and quantify overspray conditions, and generate control signals to adjust spraying operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If fixed sensing apparatuses are used to detect overspray conditions, then measurement precision is improved, but device complexity and ease of operation worsen due to repeated installation and repositioning requirements when field boundaries change
Solution Approach 1:
The patent transitions from fixed, stationary sensing apparatuses to mobile sensing devices that can dynamically reposition themselves. The mobile sensor device includes propulsion means and positioning means, allowing it to move to different locations and follow field boundaries automatically, eliminating the need for manual reinstallation when boundaries change.
Solution Approach 2:
The mobile sensing device performs self-positioning and self-monitoring along field boundaries. It autonomously navigates to designated monitoring locations and continuously tracks overspray conditions without requiring external intervention for repositioning, thereby simplifying operation while maintaining detection precision.
2Reliability
If fixed sensing apparatuses are deployed along field boundaries, then overspray detection capability is improved, but ease of operation worsens due to the need to repeatedly install and reposition sensors when field boundaries change
Solution Approach 1:
The system employs a mobile sensing device that can dynamically adjust its position along field boundaries rather than being fixed. The device uses propulsion and positioning systems to automatically relocate when boundaries change, maintaining reliable detection coverage without manual redeployment.
Solution Approach 2:
The mobile sensing device is designed to be universally applicable across different field configurations and boundary changes. It can monitor various field geometries and adapt to changing agricultural practices, eliminating the need for specialized fixed installations for each field scenario.
3Measurement precision
If extensive fixed infrastructure is used for overspray monitoring, then detection precision is improved, but productivity worsens due to the time and resources required for installation and maintenance
Solution Approach 1:
The mobile sensing device provides precise overspray quantification through advanced sensors and algorithms while eliminating the need for extensive fixed infrastructure. Its ability to move and reposition quickly reduces deployment time and resource requirements, significantly improving operational efficiency compared to static systems.
Solution Approach 2:
The patent replaces the mechanical fixed infrastructure system with a mobile, self-propelled sensing platform. This substitution eliminates the need for physical installation of fixed structures, reducing both initial setup time and ongoing maintenance requirements while maintaining measurement precision through advanced sensor technology.
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 approach enables effective detection and quantification of overspray, reducing waste and environmental impact by accurately identifying and mitigating spray drift across field boundaries, improving operational efficiency and reducing the need for extensive fixed infrastructure.
Implementation Method 1
a volatile organic compound sensor that generates a drift detected signal when the sensor detects the presence of a sprayed substance in air
Data Source
AI summary
Wind speed, wind direction, and field boundary information are detected and used to identify a monitor area indicative of a likely overspray condition. Control signals are generated to obtain information from a sprayed substance sensor, in the monitor area. When an overspray condition is detected, an overspraying signal from the sprayed substance sensor indicating the detected overspray condition is received and overspray processing is performed, based upon the received overspray signal.