Autonomous Vehicle Trailer Fire Detection and Suppression Pod
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Solution Overview
Problem
Autonomous vehicles lack effective systems to detect and suppress trailer fires, posing safety risks due to inadequate integration of fire-related condition detection and suppression measures in their autonomy software systems.
Innovation Solution
A system comprising a pod assembly with a fire detection system and a fire suppression system, including sensors and a suppression unit, controlled by a processing system to identify fire-indicative conditions and discharge fire-extinguishing substances into the trailer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If autonomous vehicles implement fire detection and suppression systems in trailers, then safety of vehicle and surrounding traffic is improved, but device complexity increases
Solution Approach 1:
The fire detection system and fire suppression system are merged into a single integrated pod assembly. The detection system includes sensors that monitor for fire conditions, and the suppression system includes extinguishing agents stored in the same pod. When fire is detected, the system automatically transitions from detection to suppression within the same modular unit, improving safety while maintaining manageable complexity through integration.
Solution Approach 2:
The pod assembly serves multiple functions: it acts as both a fire detection system and a fire suppression system. The same pod that houses sensors for detecting fire-related conditions also contains and deploys fire-extinguishing substances. This multi-functionality reduces the need for separate systems and resolves the contradiction between improved safety and device complexity.
2Reliability
If fire suppression systems are integrated into autonomous vehicle trailers, then safety risks are reduced, but ease of operation decreases
Solution Approach 1:
The fire-extinguishing substances are pre-stored in suppression units within the pod assembly, and the system is pre-configured with sensors and dispensing assemblies. When fire conditions are detected, the system immediately deploys the pre-positioned extinguishing agents without requiring manual intervention. This preliminary preparation ensures rapid safety response while maintaining ease of operation through automation.
Solution Approach 2:
The fire suppression system operates autonomously once fire conditions are detected. The sensors automatically trigger the dispensing assembly to release fire-extinguishing substances without requiring human operation. The system serves itself by detecting the fire condition and immediately executing the suppression function, reducing safety risks while maintaining ease of operation through self-activation.
3Measurement precision
If sensors continuously monitor fire-related conditions in the trailer, then detection precision is improved, but use of energy increases
Solution Approach 1:
The sensors in the fire detection system monitor fire-related conditions at periodic intervals rather than continuously. The processing system evaluates sensor data at discrete time points to identify fire-indicative conditions. This periodic monitoring approach maintains adequate detection precision for safety-critical fire detection while significantly reducing energy consumption compared to continuous monitoring.
Data Source
AI summary
A method for detecting and suppressing fires in a trailer of an autonomous vehicle. The method includes receiving, from one or more sensors, at least one sensor signal representing one or more fire-related conditions within the trailer of the autonomous vehicle, identifying one or more fire-indicative conditions within the trailer of the autonomous vehicle based on the one or more fire-related conditions, and receiving, from the one or more sensors, at least one sensor signal representing the one or more fire-indicative conditions. The method also includes releasing one or more fire-extinguishing substances from a suppression unit to a dispensing assembly and discharging the one or more fire-extinguishing substances from the dispensing assembly into the trailer of the autonomous vehicle.