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Military and commercial aircraft and ground vehicles are increasingly dependent on electrical power. New military, commercial and space vehicles rely on electrical power in whole or in part for such flight critical systems such as flight control and fuel. Digitally controlled power distribution systems as well as the digital controllers within these systems provide an unprecedented, affordable and inherent opportunity to monitor electrically powered vehicle systems health. This digital data provides component operating signatures to the system, thereby enabling advanced diagnostic and prognostic capabilities. These capabilities can be leveraged to ensure a high mission reliability rate as well as reduce life cycle ownership costs.