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Aerospace systems undergo environmental stressing which ultimately limit their useful life. Empirical rules and constant inspection are required for commercial and military aircraft because real-time data are not known for the high-cost systems. This effort proposes imbedded microelectronic and microelectromechanical devices to constantly monitor aerospace systems and a life-cycle analysis of the ...

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IN THE TREATMENT OF THE DYNAMIC PROBLEMS OF STRUCTURES, TWO ALTERNATE TESTING METHODS, BASED ON EXTERNAL AND EMBEDDED SENSORS, EXIST IN THE LITERATURE. IF THE SENSORS RESPOND TO THE CHANGES IN THE DYNAMIC CHARACTERISTICS OF THE STRUCTURE, AND/OR THE ENVIRONMENT, THEN THEY ARE REFERRED TO "SMART" STRUCTURES. SMART SENSORS AND SMART MATERIALS HAVE BEEN USED FOR DETECTING STRUCTURAL DAMAGES AND/OR CO ...

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AN ACCURATE KNOWLEDGE OF THE MAXIMUM FIBER STRESS OCCURRING DURING PAYOUT IS CRITICAL TO IMPROVE THE RELIABILITY OF CURRENT AND FUTURE DISPENSER DESIGNS FOR FIBER OPTIC GUIDED VEHICLES. THE FIBER DEFORMATIONS OCCURRING AT THE PEEL POINT ARE A DIRECT INDICATION OF THE MAXIMUM FIBER STRESSES UNDER NORMAL PAYOUT CONDITIONS. IN ADDITION, THE FIBER DEFORMATIONS AT THE PEEL POINT PROVIDE AN INVALUABLE M ...

A novel method for preparing carbon electrode structures having applications in electrochemical double layer capacitors (EDLCs) is described. The method for preparing these structures employs carbon (graphite) nano fiber materials and results in an electrode having both high surface area and high electronic conductivity; two essential characteristics for EDLC electrodes. The fabrication process ...

Valepro proposes DOMINO as an intuitive cross-cultural solution for a common user defined operating picture (UDOP) for multi-mission situational awareness across US and Coalition forces by leveraging existing COTS capabilities used to analyze the global f