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Small Business Innovation Research/Small Business Tech Transfer

Architecture Framework for Fault Management Assessment and Design (AFFMAD)

Completed Technology Project

Project Description

Architecture Framework for Fault Management Assessment and Design (AFFMAD)
Architecture Framework for Fault Management Assessment And Design(AFFMAD) provides Fault Management (FM) trade space exploration and rigorous performance constraint checking for FM strategies of complex cyber-physical systems. AFFMAD will assist early evaluation of FM strategies and improve the efficiency of implementing and testing those strategies much earlier in the design process than today. With AFFMAD, FM engineers will be able systematically generate, analyze, and trade-off FM strategies at the system-level within a multi-discipline modeling framework. Focusing on the early design phases will reduce the technical, schedule, and cost risk of Science Mission Directorate (SMD) missions. A key innovation of the AFFMAD approach is to represent the FM models in a form that supports iteration over alternative FM strategies in order to optimize overall mission success. We accomplish this by building abstract FM cyber-physical models, annotating them with both FM characteristics and mission costs (e.g., Size, Weight, and Power (SWAP), latency, throughput), and using external tools to iteratively explore the state space of feasible FM strategies. At each iteration, AFFMAD collects performance and cost information about each alternative in the context of each mission phases as well as the entire mission. More »

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