Flight Display Approach Stabilization Advisory
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Solution Overview
Problem
Current flight display systems lack the capability to guide flight crews through approach procedures effectively, leading to un-stabilized approaches, increased fuel consumption, and noise pollution, with no existing technology providing real-time assistance for safe and efficient landing.
Innovation Solution
A display system and method that utilize an approach algorithm to calculate optimal deceleration profiles and configuration changes, providing timely advisories to flight crews on flap extension, landing gear deployment, and thrust management to ensure a stabilized approach while minimizing fuel consumption and noise.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If flight crews rely on memorized manuals and acquired experience to perform approaches, then they can execute procedures without additional equipment, but the likelihood of un-stabilized approaches increases and safety decreases
Solution Approach 1:
The display system automatically monitors aircraft parameters (speed, altitude, configuration) and computes stabilization probability without requiring pilot intervention. The system serves itself by using onboard sensors and flight data to provide real-time guidance, reducing the burden on flight crews while improving approach stabilization reliability
Solution Approach 2:
The system provides continuous feedback to the flight crew by displaying the calculated probability of achieving stabilized approach and indicating required configuration changes. This real-time feedback loop allows pilots to adjust their actions based on objective data, significantly improving approach stabilization compared to relying solely on memory and experience
2Reliability
If flight crews extend landing gear or flaps early to ensure stabilized approach, then safety improves, but fuel consumption increases due to reduced idle thrust period
Solution Approach 1:
The system calculates the optimal timing for configuration changes (flaps, landing gear) in advance, providing preliminary guidance that allows flight crews to extend these components at the precise moment needed. This eliminates both early extension (which wastes fuel) and late extension (which compromises safety), optimizing the balance between stabilization and fuel consumption
Solution Approach 2:
The system dynamically adjusts the recommended configuration timing based on changing flight parameters such as speed, altitude, and wind conditions. By continuously optimizing the timing parameters for flap and gear extension, the system ensures stabilized approach is achieved with minimal deviation from idle thrust, thereby minimizing fuel consumption
3Use of energy by moving object
If flight crews maintain continuous deceleration with minimum thrust to reduce fuel consumption, then fuel efficiency improves, but the ability to respond to go-around requirements decreases
Solution Approach 1:
The system dynamically adjusts thrust recommendations based on real-time assessment of approach stabilization probability and distance to final gate. It transitions the thrust regime from minimum (fuel-efficient) when stabilization is on track, to higher thrust (go-around ready) when stabilization is at risk, optimizing both fuel consumption and acceleration capability throughout the approach
4Use of energy by moving object
If flight crews fly with continuous speed reduction and minimum thrust, then fuel consumption decreases, but noise abatement is compromised due to premature configuration changes
Solution Approach 1:
The system calculates and announces the optimal timing for configuration changes in advance, allowing flight crews to make these changes at the precise moment when the aircraft passes over the noise-sensitive area. This preliminary action ensures that configuration changes (which generate noise) occur at the optimal point, minimizing noise impact while maintaining fuel efficiency
Data Source
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AI summary
A flight display system and method for generating a flight display. A method for generating a flight display includes determining a position of an aircraft with reference to an airport, calculating a distance required for the aircraft to decelerate and descend for entering a final approach gate of the airport in a stabilized configuration, comparing the position of the aircraft with the distance required for the aircraft to decelerate and descend, and generating a flight display comprising an advisory based on a result of the comparing. A flight display system includes a database, an electronic display device, and a computer processor. The database and the electronic display device are in operable communication with the computer processor for displaying the flight display on the electronic display device.