Airport Magnetic Sensor Lighting for Detection Precision

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Solution Overview

Problem

Current ground situation representation and traffic management systems at airports face limitations in detection quality, particularly behind buildings and structures, due to the inherent limitations of radar technology and multilateration systems, which affect the accuracy of object detection and guidance.

Innovation Solution

Integration of earth's magnetic field sensors with lighting units for improved detection quality, enabling the determination of object position, direction, orientation, and speed, and combining this data with sensor fusion systems for enhanced object identification and guidance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If radar technology and multilateration systems are used for object detection, then detection coverage is achieved, but detection precision deteriorates behind buildings and structures

Engineering Contradiction:
Improvedetection precisionVSAvoidbuilding obstruction effect
Core Design Contradiction:
Measurement precisionVSObject-affected harmful factors

Solution Approach 1:

The patent combines radar technology, multilateration systems, and earth's magnetic field sensors into a hybrid detection system. The magnetic field sensors are integrated with existing lighting units on the airport surface, creating a merged sensing system that overcomes the limitations of individual technologies, particularly for detecting objects behind buildings and structures where radar signals are blocked.

Inventive Principle:
Principle #5Merging (Combining)

2Measurement precision

If earth's magnetic field sensors are integrated with lighting units, then detection precision is improved, but device complexity increases

Engineering Contradiction:
Improvedetection precisionVSAvoidsystem integration complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent makes existing lighting units multi-functional by integrating earth's magnetic field sensors into them. The lighting units continue to provide illumination while simultaneously serving as mounting positions for magnetic field sensors, enabling detection functions. This universal approach reduces the need for separate sensor installations and lowers overall system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The lighting units serve dual purposes: they provide their original lighting function while simultaneously housing and supporting the magnetic field sensors. The existing infrastructure of lighting units is utilized to support the new sensing capability, reducing the need for additional dedicated structures or mounting systems.

Inventive Principle:
Principle #25Self-service

3Reliability

If multiple sensor types are combined for improved detection, then detection reliability is improved, but ease of operation deteriorates

Engineering Contradiction:
Improvedetection reliabilityVSAvoidsystem operation simplicity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent implements a sensor data fusion system that automatically processes and integrates data from multiple sensor types (radar, multilateration, and magnetic field sensors). The system continuously fuses sensor inputs, compares measurements, and generates a unified situation image without requiring manual intervention, maintaining ease of operation while improving reliability through multi-sensor validation.

Inventive Principle:
Principle #23Feedback

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This integration enhances the precision of object detection and guidance, enabling safer and more precise taxiing operations, including the identification of vehicles and aircraft types, and supports advanced traffic management functionalities like route generation and dynamic signage.

Implementation Method 1

an earth's magnetic field sensor for determining the position, direction of movement, orientation, and/or speed of an object

Methodology Applied
Scientific EffectEarth's magnetic field sensing: Magnetic Field

Data Source

PatentUS10621874B2Device arrangement and method for improving the detection quality of ground situation representation systems and traffic guidance or traffic management systems
Publication Date: 2020.04.14 FRAPORT AG FRANKFURT AIRPORT SERVICES WORLDWIDE
  • US10621874B2 patent drawing

AI summary

A device arrangement for improving the detection quality of ground situation representation systems and traffic guidance or traffic management systems, in particular at an airport, comprises at least the following components interacting with each other: a lighting unit having at least one controllable lamp, and an earth's magnetic field sensor for determining the position, direction of movement, orientation, and/or speed of an object.