Publication Date:
2019-07-13
Description:
The concept of spacecraft utility, a measure of its performance in orbit, is discussed and its formulation is described. Performance is defined in terms of the malfunctions that occur and the criticality to the mission of these malfunctions. Different approaches to establishing average or expected values of criticality are discussed and confidence intervals are developed for parameters used in the computation of utility.
Keywords:
SYSTEMS ANALYSIS
Type:
NASA-CR-160090
Format:
application/pdf
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