Lateral Maneuver Margin Signaling for Aircraft Navigation

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Solution Overview

Problem

Current navigation assistance systems for moving vehicles, such as aircraft, do not accurately signal lateral maneuver margins, especially in zones with restricted maneuvering freedom, and are demanding in terms of computational resources.

Innovation Solution

A device and method for signaling lateral maneuver margins that select a maneuvering zone, identify risk regions, generate separation thresholds based on bearing angles and avoidance turn arcs, and display risk zones on a map, distinguishing between regions to be bypassed, those with restricted maneuvering, and those with lateral freedom.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If current navigation assistance systems signal lateral maneuver margins, then navigation safety is improved, but computational resource demands increase

Engineering Contradiction:
Improvenavigation safetyVSAvoidcomputational resource demands
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The system segments the maneuvering zone into distinct risk regions (first type with restricted maneuvering freedom, second type with more freedom) based on separation thresholds. This segmentation allows the system to provide detailed safety information only where needed rather than computing margins across the entire maneuvering zone, reducing overall computational demands while maintaining navigation safety.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system extracts and displays only the critical separation thresholds and risk region boundaries that define lateral maneuver margins, rather than computing and presenting all possible navigation parameters. This extraction of essential information maintains safety while minimizing computational resource consumption.

Inventive Principle:
Principle #2Taking out (Extraction)

2Measurement precision

If the system distinguishes multiple types of risk regions, then measurement precision of maneuver margins is improved, but device complexity increases

Engineering Contradiction:
Improvelateral maneuver margin accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system applies different quality characteristics to different spatial zones by defining first type risk regions with restricted maneuvering freedom and second type regions with greater freedom. Each zone has its own separation threshold characteristics, providing locally optimized precision for lateral maneuver margin measurement without requiring complex uniform processing across the entire maneuvering zone.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

By segmenting the maneuvering zone into distinct risk region types based on separation thresholds, the system achieves precise measurement of lateral maneuver margins in each segment while keeping the overall device complexity manageable through modular region classification.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS7733243B2Device and method for signaling lateral maneuver margins
Publication Date: 2010.06.08 BEIJING VOYAGER TECH CO LTD
  • US7733243B2 patent drawing
  • US7733243B2 patent drawing
  • US7733243B2 patent drawing

AI summary

The device relates to the signaling, to the pilot of a moving vehicle, for example an aircraft, of its lateral maneuvering margins taking into account obstacles placed in its maneuvering zone. This device determines, over the maneuvering zone of the moving vehicle, the contours of a first type of risk region that must be bypassed and those of two other types of risk region consisting of lateral margins surrounding the first type of risk region, of widths less than separation thresholds or their upper limit considered necessary for a lateral maneuver without space constraint and displays them for the pilot of the moving vehicle. The determination of the separation thresholds takes into account the bearing angle under which a point of the contour of a region of the first type is seen from the moving vehicle.