The development of a rigorous statistical method that would utilize hardware-demonstrated reliability to evaluate hardware capability and provide ground rules for safe flight margin is discussed. A statistical-based method using the Weibull/Weibayes cumulative distribution function is described. Its advantages and inadequacies are pointed out. Another, more advanced procedure, Single Flight Reliability (SFR), determines a life limit which ensures that the reliability of any single flight is never less than a stipulated value at a stipulated confidence level. Application of the SFR method is illustrated.
A criterion for establishing life limits
Annual Health Monitoring Conference for Space Propulsion Systems ; 1990 ; Cincinnati, OH, United States
01.01.1990
Aufsatz (Konferenz)
Keine Angabe
Englisch
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