G - Physics – 06 – F
Patent
G - Physics
06
F
354/143
G06F 17/50 (2006.01)
Patent
CA 2004024
ABSTRACT OF THE DISCLOSURE A method of developing an article with enhanced reliability without unnecessarily reducing performance or increasing costs. A reliability value is allocated to each failure mode. For at least one of the failure modes, an estimated third population is derived from the estimated performance and capability populations from which the number of tests required to verify the allocated reliability value is determined. If the required number of tests is greater than feasible, the design is re-estimated for the failure mode and the process repeated until the required number of tests is satisfactory. The articles are then built and tested ant actual reliability values are obtained which are compared with the allocated reliability values. A decision is made to accept the design or to increase the number of tests to obtain an actual reliability value which is equal to the allocated reliability value or to re-allocate a different reliability value to the failure mode in accordance with the actual reliability value or to re-estimate the design for the failure mode and repeat the process.
Cox Duane M.
Thiokol Corporation
LandOfFree
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