Aircraft Navigation Aid Deferred Order Path Computation

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Solution Overview

Problem

Current navigation aid systems for aircraft do not anticipate changes in the flight path when deferred execution orders are received, leaving air traffic control and the crew unaware of the new flight path until it is operational, which can lead to unforeseen situations during flight.

Innovation Solution

The system estimates the aircraft's position when a condition for a deferred execution order is satisfied, modifies the flight plan accordingly, and computes a new flight path, then anticipatively communicates this information to air traffic control, using a navigation aid method that includes positioning, condition monitoring, and path computation devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If the system waits until the condition is satisfied to process deferred execution orders, then the system operates simply without anticipation, but air traffic control and the crew do not know the new flight path until it is operational

Engineering Contradiction:
Improveflight path informationVSAvoidsystem complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The system performs preliminary computation of the modified flight path when the deferred execution order is received, before the condition is actually satisfied. This allows ATC and the crew to know the future flight path in advance, resolving the information loss problem while adding only moderate computational complexity

Inventive Principle:
Principle #10Preliminary action

2Reliability

If the system computes the new flight path anticipatively when a deferred execution order is received, then complete flight path information is provided to ATC and the crew, but the system requires additional computational steps and complexity

Engineering Contradiction:
Improveflight path prediction reliabilityVSAvoidnavigation aid system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system computes the modified flight path in advance when the deferred execution order is received, storing it for future activation. This preliminary action ensures reliability by providing complete flight path information to ATC and the crew before the path becomes operational, while the computational complexity is managed through efficient algorithms

Inventive Principle:
Principle #10Preliminary action

3Loss of time

If the system processes deferred execution orders only when conditions are satisfied, then the system operates with minimal processing steps, but response time and information availability are delayed

Engineering Contradiction:
Improveflight path information timeVSAvoidorder processing efficiency
Core Design Contradiction:
Loss of timeVSProductivity

Solution Approach 1:

The system performs the flight path computation in advance when the deferred execution order is received, rather than waiting until the condition is satisfied. This eliminates the time delay in providing flight path information to ATC and the crew, while the processing efficiency is maintained through optimized computational algorithms that execute quickly

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS7711457B2Method for positioning orders with delayed execution in an aircraft flight path
Publication Date: 2010.05.04 THALES SA
  • US7711457B2 patent drawing
  • US7711457B2 patent drawing
  • US7711457B2 patent drawing

AI summary

The invention relates to a navigation aid method of an aircraft comprising a step for positioning an execution order in a flight plan then in a flight path. When the order is for deferred execution, that is, comprises a condition, estimating the position of the aircraft when the condition associated with the order is satisfied, modifying the flight plan based on the estimated position according to the order, computing a new flight path based on the flight plan.