Technical rept. Mar-Apr 79.
TELEDYNE BROWN ENGINEERING HUNTSVILLE AL ELECTRONICS DIV
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An analytic and test validation was performed on the GVT Facility instrumentation. The purpose of the test was to determine the capability of the GVT System to perform its intended mission of dynamic analysis of aircraft structures. Each element of the system was examined to determine its individual function as well as its intended and unintended interaction with every other element of the system. The system was tested for signal input accuracy, cable integrity, grounding, noise susceptibility, and output signal integrity. All components were found to be well-maintained and functioning properly. The only discrepancies found in the system relate to system analog grounding. Recommended corrective measures to eliminate these discrepancies are outlined. With the implementation of the recommendations contained in this report, the GVT should be an excellent tool for dynamic analysis of aircraft structures and the instrumentation should provide constant, repeatable results under all test conditions.