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NASA Technical Reports Server (NTRS) 20020080947: Reliability Prediction PDF

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Preview NASA Technical Reports Server (NTRS) 20020080947: Reliability Prediction

Reliability Prediction Be low, engineers Elaine In this type of work, SCT uses probabilities to predict the Sears (at right) and Dr. a software package known as availability of the system in Abbas Emami-Naeini of RELAV (Reliability and Avail- terms of the probability of Systems Control Technology, ability Analysis), which was success. RELAV can also Inc. (SCT), Palo Alto, California developed by Jet Propulsion calculate a system's reliability are working on an aircraft Laboratory and supplied to SCT for a specific mission. SCT can performance assessment. by the Computer Software then translate this information SCT is a company that provides Management and Information into operational support research and development Center (COSMIC). COSMIC is requirements and minimal services in support of govern- NASA's mechanism for making maintenance-free periods of ment contracts. available to industry and operation. SCT's clients include a government users computer number of aerospace industry programs developed by govern- firms engaged in such govern- ment agencies that have ment-sponsored projects as secondary applicability. mission planning, flight simula- RELAV contributes to SCT's tion, aircraft and avionics research by providing a system A SPECIAL NASA research, air traffic control and level evaluation of a technolo- commercial software develop- gy. SCT assesses systems - ment. Among other services such as the mechanism of a SERVICE OFFERS SCT develops software tools landing gear - by first describ- for use in concurrent design ing it as a set of components GOVERNMENT- and engineering. operating together to perform a An example of an SCT specific function. Each of the project is research on vehicle components has a specific DEVELOPED COMPUTER subsystem integrity, which probability relating to perform- involves performance predic- ance, which together form a PROGRAMS TO tions of such subsystems as system probability. RELAV uses landing gear for jet aircraft. the subsystem and total system INDUSTRY Cornpuler Technology

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