Aircraft Situational Awareness Monitoring System for Emergency Evacuation
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Solution Overview
Problem
Existing systems for monitoring and directing passenger and crew egress from an aircraft during emergency evacuations lack effective communication and situational awareness, which can compromise the safety and efficiency of the evacuation process.
Innovation Solution
The implementation of a situational awareness monitoring (SAM) system that includes imaging devices, display modules, incremental counters, and a physical obstruction mechanism, all integrated into the aircraft's emergency exit doors and overwing positions, to provide real-time passenger counting, safe exit determination, and obstruction deployment when necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional manual monitoring methods are used during emergency evacuation, then the system complexity is low, but the situational awareness and communication effectiveness are insufficient
Solution Approach 1:
The patent implements feedback mechanisms through display modules that show real-time passenger counts and evacuation progress to cabin crew. The system continuously monitors exit status and provides feedback signals to guide evacuation decisions, improving situational awareness without requiring complex centralized control systems.
Solution Approach 2:
The monitoring system is designed to be self-sufficient during emergencies, with local display modules at each exit that can operate independently. The system automatically tracks passenger egress through sensors and counters without requiring manual input or external control, reducing the complexity of operator intervention while maintaining high reliability.
2Loss of information
If real-time passenger counting systems are implemented at all exits, then the situational awareness is improved, but the device complexity and cost increase
Solution Approach 1:
The patent divides the monitoring system into segmented, independent modules located at each exit. Each module contains its own sensors, counters, and display capabilities, allowing the system to track passenger counts at multiple locations simultaneously without requiring a complex centralized processing system. This modular approach reduces overall system complexity while maintaining comprehensive monitoring.
Solution Approach 2:
The display modules are designed with multi-functionality, serving as information displays, passenger count trackers, and evacuation status indicators simultaneously. This universal design reduces the need for separate specialized devices at each exit, thereby reducing overall system complexity while maintaining comprehensive real-time information availability.
3Ease of operation
If multiple display modules are installed at emergency exits, then the communication effectiveness is improved, but the weight and space requirements increase
Solution Approach 1:
The patent places display modules with appropriate information content at specific locations where cabin crew need them most. Each display module is tailored to show relevant local information (such as exit status and local passenger count) rather than duplicating all information everywhere, optimizing communication effectiveness while minimizing unnecessary weight and space requirements.
4Productivity
If the evacuation monitoring system provides comprehensive real-time information, then the evacuation efficiency is improved, but the energy consumption increases
Solution Approach 1:
The system updates information at optimized intervals rather than continuously, reducing energy consumption while maintaining effective real-time monitoring. Display modules refresh passenger counts and status information at rates sufficient for evacuation decision-making but not so frequently as to waste energy, balancing productivity with energy efficiency.
Data Source
AI summary
An aircraft with an aircraft fuselage, and a passenger cabin and a cockpit, where the aircraft includes a center-forward attendant space between the passenger cabin and the cockpit. A cabin crew member of the aircraft can stand in the center-forward attendant space for monitoring progress of an emergency evacuation of the aircraft. The aircraft has one or more emergency exits for providing egress of passengers from the aircraft fuselage during the emergency evacuation. The aircraft also has a situational awareness monitoring (SAM) system for use in evacuating the passengers from the aircraft during the emergency evacuation. The SAM system includes one or more imaging devices and one or more display modules, each of which displays within the passenger cabin images captured by a corresponding one of the one or more imaging devices.