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Department of defense (DoD) maintenance depots face a growing challenge regarding legacy Automated Test Systems (ATS). These systems, which are critical to ensuring mission success, are increasingly difficult to maintain and repair as well as being costly to modernize or replace. According to the General Accounting Office, the DoD has estimated that they will spend billions of dollars to modernize...
Prognostics is an engineering discipline that focuses on estimation of the health state of a component and the prediction of its remaining useful life (RUL) before failure. Health state estimation is based on actual conditions and it is fundamental for the prediction of RUL under anticipated future usage. Failure of electronic devices is of great concern as future aircraft will see an increase of...
A new revision of IEEE Std 1641 has been completed and should be available before the end of the year. This standard, which provides a method of accurately defining signals and tests, has been further developed with many new improvements. The standard provides for libraries of pre-defined signals which may be re-used within a technology or project. There have been many examples of stimulus signals,...
The present work shows a condition monitoring system applied to detect Fault Condition in EMA Systems. Removal of the engine hydraulic pumps requires fully-operative electrical power actuators and mastery of the flight control architecture. However, unexpected faults and lack of safety hinder the massive use of EMAs in flight control actuators and force to develop new systems and methods for supervision...
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