Autonomous Forest Fire Detection Using Ground Infrared Sensor Networks
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing forest fire detection systems are ineffective at early detection, prone to false alarms, costly, and environmentally harmful due to satellite-based monitoring, and lack autonomy and cost-effectiveness.
Innovation Solution
A method and system utilizing a network of ground-based sensors, including stationary and mobile units, particularly drones equipped with infrared cameras and navigation systems, for autonomous detection, localization, and extinguishing of forest fires, utilizing a LoRaWAN network for communication and a weatherproof station for energy and resource replenishment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If satellite-based monitoring is used, then large-area coverage is achieved, but cost and environmental impact increase significantly
Solution Approach 1:
The patent segments the monitoring system into multiple ground-based sensor stations distributed across the forest area, each covering a local zone. This replaces the single expensive satellite system with multiple affordable ground sensors that collectively achieve the same large-area coverage.
Solution Approach 2:
The patent transitions from space-based (satellite) monitoring to ground-based monitoring, changing the dimensional approach from orbital altitude to terrestrial level. This allows use of cheaper ground infrastructure while maintaining or improving detection capability through proximity to the monitored area.
2Reliability
If optical sensors are used for fire detection, then smoke columns can be detected, but detection is ineffective at night and prone to false alarms
Solution Approach 1:
The patent changes the detection parameter from visible light (optical sensors) to infrared radiation detection. This allows detection of thermal signatures from fires regardless of ambient light conditions, eliminating nighttime detection limitations and reducing false alarms from non-thermal sources like dust clouds.
3Measurement precision
If low orbit satellites are used for monitoring, then resolution is improved, but satellites are not geostationary requiring orbital time and reducing monitoring availability
Solution Approach 1:
The patent employs autonomous forest fire detection units that independently navigate, detect, and report fire conditions without requiring coordinated satellite passes. These self-service units maintain continuous monitoring availability while achieving high-resolution detection through their autonomous operation and proximity to the forest floor.
4Measurement precision
If close-meshed monitoring is implemented, then detection precision is improved, but large number of satellites required increasing cost and carbon emissions
Solution Approach 1:
The patent replaces the mechanical system of launching and operating multiple satellites with electronic/optical sensor networks on the ground. This substitution eliminates the carbon emissions associated with satellite launches while achieving close-meshed monitoring through distributed ground-based infrared sensors that detect thermal signatures with high precision.
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 reliable, early, and cost-effective detection and localization of forest fires with autonomous response, reducing environmental impact and operational costs while enhancing precision and speed of fire suppression.
Implementation Method 1
detecting and/or locating the fire source with the forest fire detection unit
Data Source
AI summary
The invention relates to a method for detecting and/or locating a forest fire with the steps of receiving information, positioning a forest fire detection unit based on the information received and detecting and/or locating the fire source with the forest fire detection unit, wherein the positioning and/or detecting and/or locating take place autonomously. The invention further relates to an autonomous forest fire detection unit with a navigation unit, an autonomous control unit and a locating unit.