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The authors report on the development and test of an integrated Structural Health Monitoring and Reporting (SHMR) system for use on Navy aircraft. Their goal was to develop and test a versatile, fully programmable SHMR system, designed to synchronize and record data from a range of wireless and hard wired sensor and active RFID networks. Wireless sensors include strain gauges, accelerometers, and load/torque cells. Data were collected at multiple sampling rates and time stamped and aggregated within a single scalable database on a base station, termed the Wireless Sensor Data Aggregator (WSDA). The WSDA, in addition to providing a central location for collecting data, also provided a beaconing capability to synchronize each sensor node's embedded precision timekeeper.
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