Modular Flight Recorder Control for In-Flight Reconfiguration
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Solution Overview
Problem
Conventional flight recorder systems require significant pilot or maintenance crew involvement for configuration and reconfiguration, especially during in-flight operations, limiting flexibility and scalability.
Innovation Solution
A flight recorder system with a resource controller module (RCM) that dynamically configures flight recorder modules (FRMs) via a data communication network, allowing plug-and-play functionality and adaptive operation based on detected module types and flight phases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional flight recorder systems are used with manual configuration, then system reliability is maintained through human oversight, but pilot and maintenance crew workload increases significantly
Solution Approach 1:
The system enables self-service automation where the flight recorder automatically detects FRM types, configures itself, and manages data routing without pilot or maintenance crew intervention. The RCM performs self-diagnosis and self-configuration based on automated FRM identification, eliminating manual workload while maintaining system reliability through intelligent automation.
Solution Approach 2:
The system dynamically changes operational parameters based on detected flight phases and FRM types. The RCM automatically adjusts configuration parameters, data sampling rates, and communication protocols according to the detected parameters, enabling adaptive operation that reduces manual intervention while maintaining optimal system performance.
2Adaptability or versatility
If flight recorder systems support multiple module types, then system versatility improves, but device complexity increases
Solution Approach 1:
The RCM is designed as a universal controller that can detect, identify, and configure multiple types of FRMs (flight data recorders, cockpit voice recorders, data analytics modules) through a single interface. The system uses standardized communication protocols and automated type detection to manage diverse module types without increasing operational complexity, allowing one RCM to serve multiple specialized functions.
Solution Approach 2:
The RCM acts as an intermediary between the data bus and various FRM types, translating and routing data appropriately based on automated module identification. This mediator approach allows the system to support multiple FRM types with different data formats and protocols without requiring complex direct connections between each module type, simplifying the overall system architecture.
3Adaptability or versatility
If dynamic reconfiguration is enabled during flight, then operational flexibility improves, but system reliability risks increase due to in-flight changes
Solution Approach 1:
The system implements dynamic reconfiguration capabilities where the RCM can detect flight phases and automatically adjust FRM configurations in real-time during flight operations. This allows the system to adapt to changing operational requirements (such as switching between different flight phases or adding/removing modules) while maintaining system stability through controlled, automated transitions rather than static fixed configurations.
Solution Approach 2:
The RCM continuously monitors system status, FRM operational states, and flight phase information to make informed reconfiguration decisions. This feedback mechanism ensures that dynamic changes are based on actual system conditions and flight requirements, preventing inappropriate reconfigurations that could compromise reliability while enabling necessary adaptive changes during flight operations.
Data Source
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AI summary
A flight recorder system of an aircraft includes a resource controller module (RCM) (215) communicatively coupled, via a switch fabric (220), to a set of flight recorder system modules (FRM) (210) including at least one of a cockpit voice recorder module (CVR) (211), a flight data recorder module (FDR) (212), and a data analytics module (DA) (213). Each FRM (210) comprises a respective control module (231), (232), (233), (234), a respective local memory (241), (242), (243), (244), and a respective set of input and output (I/O) ports (241), (242), (243), (244) communicatively coupled to the switch fabric (220). The RCM (215) is configured to detect a respective FRM (210) coupled to the switch fabric (220), and based on the detection, configure an operation of the FRM (210), and wherein the respective local memory of the FRM (210) is readable by the RCM (215), and shareable with the other FRMs (210) via the switch fabric (220).