Airport Aircraft Movement Data Filtering for Accurate Phase Tracking
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Solution Overview
Problem
Existing systems for generating operational data of airport infrastructure face inaccuracies due to erroneous position data from aircraft transponders, leading to incorrect interpretation of aircraft movements and operational data.
Innovation Solution
A method and system that acquire and process movement tracking data sets for aircraft within a detection volume, identifying paths and phases of movement to generate precise operational data by filtering out erroneous data and associating aircraft positions with taxiways and parking zones, using modules for data acquisition, identification, generation, and transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If position data from aircraft transponders is used directly to generate operational data, then the system is simple and real-time operational data can be obtained, but the position data may be inaccurate leading to erroneous interpretation of aircraft movements
Solution Approach 1:
The system performs preliminary identification of aircraft paths and phases of movement before generating operational data. By pre-processing the position data to identify meaningful movement patterns and phases, the system filters out erroneous data points before they can corrupt the operational data, thus improving accuracy without requiring complex post-processing validation
Solution Approach 2:
The patent introduces an intermediary processing layer that includes modules for identifying paths and phases of movement. This intermediary layer acts as a mediator between raw position data and operational data generation, filtering and validating data through multiple processing steps including path identification, phase detection, and consistency checking before final data generation
2Reliability
If all position data from transponders is processed, then complete operational information is obtained, but erroneous data from stationary aircraft is included leading to falsified operational data
Solution Approach 1:
The system segments the aircraft movement into distinct phases (e.g., taxiing, takeoff, landing, parking) and processes data differently for each phase. By identifying and separating stationary phases from movement phases, the system can filter out erroneous position data from stationary aircraft while maintaining complete processing of all meaningful operational data, thus improving reliability without sacrificing processing efficiency
Solution Approach 2:
The patent applies partial processing by focusing computational resources only on identifying and processing relevant movement phases rather than uniformly processing all position data points. By detecting phases of movement and concentrating analysis on transitional phases where errors are most likely, the system achieves high reliability while maintaining processing efficiency through selective rather than exhaustive analysis
3Measurement precision
If position data is emitted at regular intervals by transponders, then continuous tracking is achieved, but stationary aircraft emit data that is misinterpreted as movement data
Solution Approach 1:
The system implements feedback mechanisms where identified paths and phases are used to validate subsequent position data. By continuously comparing new position data against established movement patterns and phase expectations, the system can identify and correct erroneous data points that deviate from expected movement trajectories, thus maintaining measurement precision while preventing loss of accurate operational information
Data Source
AI summary
The system for generating operational data includes an acquisition module of sets of aircraft movements tracking, an identification module which identifies a path for each aircraft from sets of movement tracking data, at least one runway and at least one parking zone, an identification module which identifies, for each path, phases associated with phase data, a generation module which generates sets of operational data comprising flight data, position data and phase data of each aircraft, and a transmission module which transmits these sets of operational data to a user system.