Dynamic Electronic Airfield Signage for Runway Identification
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Solution Overview
Problem
Conventional airfield signage is static, providing minimal information to pilots and ground crew, which can lead to errors in runway identification and navigation, especially in cases of communication failures between pilots and air traffic control.
Innovation Solution
A dynamic electronic airfield signage system with a combination of static, dynamic displays, and traffic light displays that can be remotely updated, featuring LED or electronic illuminated displays for customizable messages and visual cues, ensuring accurate and timely information dissemination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If conventional static airfield signage is used, then the system is simple and reliable, but the information provided is minimal and cannot be updated in real-time
Solution Approach 1:
The patent applies dynamics by transitioning from static signage to dynamic electronic displays that can update information in real-time. The system uses controllable light sources (LEDs, LCDs) that can change their state based on operational conditions, allowing the signage to provide current, relevant information about runway status, closures, and changes without requiring physical replacement or manual updating of signs.
Solution Approach 2:
The patent replaces mechanical/static signage systems with electronic/optical systems. Instead of using fixed physical signs that require manual updating, the system employs electronic displays controlled by computers or processors that can automatically update information, substituting mechanical updating processes with electronic control mechanisms.
2Reliability
If dynamic electronic displays are implemented, then real-time information can be provided, but energy consumption increases
Solution Approach 1:
The patent implements periodic action by using intermittent or pulsed illumination rather than continuous lighting. The system can activate displays only when information needs to be communicated or update them at specific intervals, reducing overall energy consumption while maintaining information accuracy when needed. This allows the system to balance reliability with energy efficiency by avoiding constant operation.
3Loss of information
If multiple display types (static, dynamic, traffic light) are combined, then information completeness improves, but device complexity increases
Solution Approach 1:
The patent merges multiple display types (static signs, dynamic electronic displays, and traffic light indicators) into a single integrated signage system. This consolidation allows the system to provide comprehensive information through coordinated operation of different display elements, reducing the need for separate independent systems while maintaining information completeness through the synergistic combination of various display modalities.
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
Enhances safety by reducing errors in runway identification and navigation through real-time updates and clear visual cues, even in communication failures, improving the efficiency and accuracy of airfield operations.
Implementation Method 1
featuring LED or electronic illuminated displays for customizable messages and visual cues
Data Source
AI summary
An airfield sign that includes a dynamic display area.