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Proceedings Paper

Validation of a wireless modular monitoring system for structures
Author(s): Jerome Peter Lynch; Kincho H. Law; Anne S. Kiremidjian; John Edward Carryer; Thomas W. Kenny; Aaron Partridge; Arvind Sundararajan
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Paper Abstract

A wireless sensing unit for use in a Wireless Modular Monitoring System (WiMMS) has been designed and constructed. Drawing upon advanced technological developments in the areas of wireless communications, low-power microprocessors and micro-electro mechanical system (MEMS) sensing transducers, the wireless sensing unit represents a high-performance yet low-cost solution to monitoring the short-term and long-term performance of structures. A sophisticated reduced instruction set computer (RISC) microcontroller is placed at the core of the unit to accommodate on-board computations, measurement filtering and data interrogation algorithms. The functionality of the wireless sensing unit is validated through various experiments involving multiple sensing transducers interfaced to the sensing unit. In particular, MEMS-based accelerometers are used as the primary sensing transducer in this study's validation experiments. A five degree of freedom scaled test structure mounted upon a shaking table is employed for system validation.

Paper Details

Date Published: 28 June 2002
PDF: 12 pages
Proc. SPIE 4696, Smart Structures and Materials 2002: Smart Systems for Bridges, Structures, and Highways, (28 June 2002); doi: 10.1117/12.472548
Show Author Affiliations
Jerome Peter Lynch, Stanford Univ. (United States)
Kincho H. Law, Stanford Univ. (United States)
Anne S. Kiremidjian, Stanford Univ. (United States)
John Edward Carryer, Stanford Univ. (United States)
Thomas W. Kenny, Stanford Univ. (United States)
Aaron Partridge, Stanford Univ. (United States)
Arvind Sundararajan, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 4696:
Smart Structures and Materials 2002: Smart Systems for Bridges, Structures, and Highways
S.-C. Liu; Darryll J. Pines, Editor(s)

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