Dr. Daniel M. Bock Profile

Dr. Daniel M. Bock

at Physical Optics Corp

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Proceedings Article | 11 April 2008 Paper

Structure health assessment and warning system (SHAWS)

Daniel Bock, Keehoon Kim, Jalal Mapar

Proceedings Volume 6934, 693416 (2008) https://doi.org/10.1117/12.778521

KEYWORDS: Sensors, Telecommunications, Personal digital assistants, Receivers, Data communications, Adhesives, Visualization, Fourier transforms, Motion measurement, Computing systems

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We are developing a Structure Health Assessment and Warning System (SHAWS) based on building displacement measurements and wireless communication. SHAWS will measure and predict the stability/instability of a building, determine whether it is safe for emergency responders to enter during an emergency, and provide individual warnings on the condition of the structure. SHAWS incorporates remote sensing nodes (RSNs) installed on the exterior frame of a building. Each RSN includes a temperature sensor, a three-axis accelerometer making static-acceleration measurements, and a ZigBee wireless system (IEEE 802.15.4). The RSNs will be deployed remotely using an air cannon delivery system, with each RSN having an innovative adhesive structure for fast (<10 min) and strong installation under emergency conditions. Once the building has moved past a threshold (~0.25 in./building story), a warning will be issued to emergency responders. In addition to the RSNs, SHAWS will include a base station located on an emergency responder's primary vehicle, a PDA for mobile data display to guide responders, and individual warning modules that can be worn by each responder. The individual warning modules will include visual and audio indicators with a ZigBee receiver to provide the proper degree of warning to each responder.

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