Autonomous UAV Water Pickup for Firefighting
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Solution Overview
Problem
Manned aerial vehicles used in firefighting pose safety concerns and operational limitations, particularly in poor visibility conditions, and are restricted to daytime operations, limiting their effectiveness in hazardous environments.
Innovation Solution
An unmanned aerial vehicle system equipped with sensors and a controller that enables autonomous water pickup by sensing distance from a water source, controlling descent and ascent, and maintaining altitude for bucket filling, allowing operation in hazardous conditions without human intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manned aerial vehicles are used for water pickup in firefighting, then operational flexibility and decision-making capability are improved, but safety risks increase in poor visibility conditions
Solution Approach 1:
The unmanned aerial vehicle performs water pickup operations autonomously without human intervention. The vehicle independently navigates to water sources, controls descent and ascent, and manages bucket filling based on sensor feedback, eliminating the need for manned operation while maintaining operational flexibility
Solution Approach 2:
The patent replaces the mechanical pilot-controlled system with an automated control system that uses sensors (acoustic, optical, or radar) to detect water sources and control vehicle operations. This substitution eliminates safety risks associated with human operation in hazardous conditions while preserving adaptability through programmable decision-making
2Reliability
If manned aerial vehicles operate during daytime only, then safety is improved, but productivity decreases due to limited operational windows
Solution Approach 1:
The unmanned vehicle independently performs all operations including navigation, water pickup, and return travel without requiring human presence or visual conditions. This autonomy enables continuous 24/7 operation regardless of time of day or visibility conditions
Solution Approach 2:
Replacing manual pilot control with automated sensor-based systems removes the constraint of requiring human visual capability. The vehicle uses acoustic, optical, or radar sensors to detect and navigate to water sources, enabling operations in darkness and poor visibility conditions that would be unsafe for manned aircraft
3Ease of operation
If manual water pickup procedures are used, then operational control is improved, but time consumption increases during water retrieval
Solution Approach 1:
The vehicle autonomously executes the entire water pickup sequence including detecting water sources, controlling descent rate, timing the bucket dip, and initiating ascent. This self-service operation eliminates manual intervention delays while maintaining precise control through automated sensor feedback and programmed decision-making
Solution Approach 2:
The automated system maintains continuous operational action by immediately transitioning between detection, descent, water pickup, and ascent phases without manual intervention delays. The sensor-based system continuously monitors conditions and adjusts operations in real-time, eliminating gaps in the operational cycle that occur with manual procedures
Data Source
AI summary
The disclosure is directed to systems and methods for autonomously picking up water in support of fire fighting missions using aerial vehicles. More particularly, the disclosure is directed to systems and methods for picking up water in support of fire fighting missions using onboard sensing and decision making processes with application of the fire retardant using unmanned aerial vehicles.