Synchronized System for Wireless Sensing, RFID, Data Aggregation, & Remote Reporting

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Executive Summary

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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