Fault Management Analysis Tool For Model Centric Systems Engineering

This proposal responds to the need for new technologies to effectively manage and streamline complex FM systems, enable rapid diagnostic model generation and validation, and provide tools to assess FM quality/performance e.g., fault containment regions (FCRs) and false positive/negative (FP/FN) rates. Okean Solutions proposes to improve fault management (FM) system modeling and analysis by integrating their model-based fault management tool/system, called MONSID®, with JPL’s Computer Aided Engineering for Systems Architecture (CAESAR) platform. The innovation will create greater visibility into the FM process and lower the barriers to entry for users who are not FM experts. The combined capability will advance the practice of FM to ultimately decrease labor and schedule costs while ensuring FM system robustness and appropriateness. The main application is FM design and software development. This could also be used in I&T and operations phases to update onboard FM models and in support of recovery operations.

A MONSID adaptor for CAESAR can support FM development in current and future programs, providing rapid model development and improving HW/SW trade accuracy and efficiency for fault containment, and FM performance analyses. It is applicable to a broad range of NASA missions that leverage model-based systems engineering tools. Such missions include CubeSats (Lunar Flashlight, SunRISE), Trident, Mars Sample Return, and others from near-Earth to interplanetary, risk-adverse, and experimental.

MONSID and CAESAR are both model-based and application agnostic. The combination of these tools makes it applicable to a wide variety of DoD, ESA, JAXA and commercial programs. This innovation can be adapted to other modeling environments to streamline and accelerate FM design and development practices. Industries including aerospace, automotive, and chemical can all benefit from this technology.

This is early/mid-stage (TRL 4) — the most realistic path in is NASA SBIR/STTR, which funds small businesses and research institutions to develop technology aligned with NASA's needs (equity-free, phased funding). Check whether a current SBIR/STTR solicitation topic overlaps with this project's technology area, or contact the project directly (above) to ask.

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