Aircraft Configuration Management via Evolution Curve Intersection
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Solution Overview
Problem
Managing the exit from various aircraft configurations along a glide path to reach a stabilization point for landing is challenging, especially under external conditions, as existing systems struggle to reliably guide aircraft to a precise landing configuration.
Innovation Solution
A method and device that compute and transmit coordinates of intersection points between initial and final evolution curves of aircraft height versus airspeed, allowing for rearrangement of configuration sequences to ensure reliable stabilization point attainment, regardless of external conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional glide path system with vertical guide signal is used to guide aircraft during landing, then the aircraft can follow a standardized glide path with slope γ=-3°, but it becomes difficult to reliably manage exit from various configurations to reach the stabilization point under different external conditions
Solution Approach 1:
The system dynamically computes and updates the evolution curves based on real-time aircraft state and external conditions. The curves are not fixed but adapt as the aircraft progresses through different configurations, allowing the guidance system to respond to changing conditions while maintaining reliable guidance to the stabilization point
Solution Approach 2:
The system changes the parameters used for guidance from a fixed vertical glide path angle to dynamic evolution curves that represent height as a function of airspeed for different configurations. This parameter transformation allows the system to adapt to external conditions by selecting appropriate curves based on current aircraft state and environmental factors
2Measurement precision
If the aircraft follows a fixed glide path with conventional vertical guide signal, then the approach procedure is simple to implement, but the precision of reaching the stabilization point is compromised under varying external conditions
Solution Approach 1:
The system pre-computes multiple evolution curves corresponding to different aircraft configurations and stores them for later use. These curves are prepared in advance based on aircraft performance data, allowing the guidance system to quickly select and follow the appropriate curve without complex real-time calculations during critical phases of approach
Solution Approach 2:
The evolution curves serve as an intermediary between the complex aircraft performance characteristics and the simple guidance display to the pilot. Instead of presenting complex performance data directly, the system uses the curves as a mediator to translate this information into intuitive height-versus-airspeed relationships that guide configuration transitions
Data Source
AI summary
A device for managing configurations of an aircraft between an initial point and a final point comprises a computation module to determine at least one first evolution curve considering the aircraft to have assumed a first configuration and wherein the first evolution curve includes the first point and a final evolution curve considering the aircraft to have assumed at least one final configuration and wherein the final evolution curve or curves includes the final point, a computation module to compute at least one second point corresponding to the intersection of the first evolution curve or curves and the final evolution curve or curves, and a transmission module configured to transmit a signal representing the coordinates of the second point or points to a user device.