NASA Technical Reports Server (NTRS) 20020080947: Reliability Prediction

1 Pages·0.16 MB·English

by  NASA Technical Reports Server (NTRS)

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