Aircraft Display System Automatic Reconfiguration
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Solution Overview
Problem
Conventional aircraft display systems pose a safety risk due to excessive pilot workload when a critical screen fails, as pilots must search for essential information during high-attention phases like landing or take-off, leading to potential safety issues.
Innovation Solution
The display system incorporates detection means to automatically reconfigure and prioritize images across screens based on predetermined rules, ensuring critical piloting information is always available by transferring priority images to functioning screens, with optional manual reconfiguration options for pilot control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional display systems are used, then the system structure is simple, but pilot workload increases excessively when a screen fails
Solution Approach 1:
The display system automatically detects screen failures and reconfigures itself by transferring priority images to functional screens without pilot intervention. The system monitors its own state and performs self-healing operations, eliminating the need for pilots to manually search for lost information while reducing the complexity burden through automation.
Solution Approach 2:
The system pre-establishes priority rules for images before failures occur and pre-configures detection means to identify screen failures immediately. This preliminary preparation enables automatic reconfiguration to occur instantly when failures happen, preventing increased pilot workload during critical phases.
2Reliability
If automatic reconfiguration is implemented, then information availability is maintained during screen failure, but system complexity increases
Solution Approach 1:
The system divides screens into functional units with associated images and establishes independent detection means for each screen. The reconfiguration process segments the transfer of priority images to specific functional screens, managing complexity through modular organization rather than monolithic control.
Solution Approach 2:
Detection means continuously monitor screen status and provide feedback to reconfiguration means, which automatically executes transfers based on detected failures. This closed-loop feedback mechanism ensures reliable information availability while containing complexity through automated response protocols.
3Loss of information
If manual search procedures are provided, then pilots can find lost information, but workload becomes excessive during critical flight phases
Solution Approach 1:
The system automatically recovers and redistributes priority images to functional screens without requiring pilot search procedures. This self-service capability eliminates information loss during screen failures while keeping pilots fully engaged with flying tasks during critical phases like landing and take-off.
Data Source
AI summary
A display system for an aircraft includes an automatic reconfiguration device that, upon detecting a failure of a screen of the system, displays an image that is associated with the failed screen on an associated valid screen having lesser priority.