RFID Component Identification System for Aircraft Maintenance
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Solution Overview
Problem
In complex systems like large aircraft, identifying and verifying the correct positioning of similar components during maintenance is laborious and prone to errors, especially when visual checks are impossible due to installation situations.
Innovation Solution
A system comprising a reading device for component identification, a locating device with a stationary reference and a movable component, and a computing unit that forms data pairs from detected positions and identification information to compare with predefined data pairs, ensuring accurate component identification and positional verification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If visual inspection methods are used to identify and verify component positioning, then the process requires direct line of sight to components, but this becomes impossible when components are installed in confined or complex locations
Solution Approach 1:
The patent replaces visual inspection methods with RFID reading devices that use electromagnetic fields to detect component identification information. The reading device can identify components through metal structures and without direct line of sight, substituting the mechanical/optical inspection process with an electromagnetic field-based detection system that works in confined spaces.
2Reliability
If manual checking of component positions is performed, then human operators can verify installation correctness, but this becomes laborious and error-prone when checking large numbers of similar components
Solution Approach 1:
The system enables self-service inspection where the RFID reading device automatically identifies components and the computing unit automatically verifies their positions against the database. The system checks itself without requiring continuous human intervention, thereby improving reliability while reducing time consumption through automated data comparison and error detection.
Solution Approach 2:
The computing unit provides immediate feedback by comparing detected component positions with predefined correct positions stored in the database. The system generates warnings or error messages when mismatches are detected, allowing operators to quickly identify and correct installation errors without manual verification of each component.
3Productivity
If RFID reading apparatus with wide reading scope is used, then multiple components can be read simultaneously, but this causes information overload that cannot be properly evaluated
Solution Approach 1:
The patent extracts and processes only the relevant identification information from the RFID tags while filtering out unnecessary data. The computing unit selectively retrieves and evaluates specific component identification data needed for position verification, preventing information overload while maintaining reading efficiency through targeted data extraction and processing.
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 system enables efficient and reliable identification and positional determination of components, reducing errors and improving maintenance efficiency by providing clear and precise information about component type, manufacturer, and installation time, with acoustic and optical warnings for incorrect placements.
Implementation Method 1
The reading device may accordingly be an RFID reading apparatus, which, with the aid of the inductive transmission of an energy quantity to the RFID tag, causes said tag to transmit an identification code
Data Source
AI summary
A system for checking the positioning of components is provided. The system includes a reading device for reading in component identification information, which is provided by an identification device in a spatially limited region about a component to be checked, a locating device with at least one stationary reference device, a movement component which is movable relative thereto and a computing unit. The reading device and the locating device can be connected to the computing unit. The computing unit is set up to detect a relative position of the movement component with respect to the at least one reference device in the spatially limited region about the component to be checked and to form a data pair from the detected relative position with component identification information read in by means of the reading device and to compare it with predefined data pairs.