Aircraft Seat Data Storage for Certification and Service Life Tracking
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Solution Overview
Problem
Current technologies fail to provide reliable long-term identification and data logging for the service life and certification of vehicle seats, particularly aircraft passenger seats, and cannot reliably distinguish certified from uncertified replacement parts.
Innovation Solution
A vehicle seat with a data storage device mounted on a seat component for storing service life and certification data, accessible via an external reading device, using a semiconductor chip with read-only and random access memory areas, and enabling wireless data transmission, ensuring secure and non-erasable data storage and retrieval.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a data storage device is mounted on the seat component, then reliable long-term identification and data logging of service life and certification is achieved, but device complexity increases
Solution Approach 1:
The data storage device is integrated into existing seat components such as the armrest, headrest, or seat base, nesting the storage function within already-present structural elements. This approach adds data logging capability while minimizing overall device complexity by utilizing the existing seat component housing and mounting structures.
Solution Approach 2:
The data storage device is designed to serve multiple functions: storing certification data, logging service life information, tracking maintenance history, and providing identification data. This multi-functionality reduces the need for separate systems and minimizes overall device complexity while achieving reliable long-term identification and data logging.
2Reliability
If data is stored in non-volatile form, then data authenticity and prevention of unauthorized manipulation is improved, but ease of operation for data writing decreases
Solution Approach 1:
The data storage device is divided into separate memory areas: read-only memory for certification data that must not be altered, and writable memory for service life logging. This segmentation allows critical authentication data to be protected while maintaining ease of operation for legitimate data entry by restricting write access to specific authorized areas.
Solution Approach 2:
Certification data is written to the read-only memory area during manufacturing before the seat is delivered to the customer. This preliminary action ensures that critical authentication data is established once and cannot be subsequently manipulated, while leaving the writable areas available for ongoing service life logging during the seat's operational life.
3Reliability
If the data storage device is made non-detachable, then reliability of data integrity is improved, but ease of repair and replacement decreases
Solution Approach 1:
The data storage device is nested within a seat component that is itself part of the larger seat assembly. This nesting provides physical protection and makes removal difficult without damaging the host component, thereby ensuring data integrity while maintaining the ability to replace the entire assembly if needed.
Solution Approach 2:
The data storage device is combined with or integrated into existing seat components such as the armrest or headrest. This merging ensures that the storage device cannot be easily removed or tampered with independently, protecting data integrity while allowing the entire component to be replaced as a unit during maintenance or repair operations.
Data Source
AI summary
The invention relates to a seat, especially a vehicle seat, preferably an aircraft passenger seat (10, 30), comprising at least one seat component, such as a seat part (20), a backrest (22) or an armrest (26). As delivered, the seat meets predefined approved requirements and is correspondingly certified. The inventive seat is characterized in that a data storage device is fixedly disposed on at least one seat component. Said data storage device is used to store individual data relating to the service life or certification of the respective seat and/or individual seat components. The inventive seat is further characterized in that the data storage device can be electronically read by an external reading device. The invention also relates to an associated reading device.