Design of wireless sensor network and its application for structural health monitoring of cable-stayed bridge

被引：2

作者：

Lin, H. R. ^{[2
]}

Chen, C. S. ^{[1
]}

Chen, P. Y. ^{[3
]}

Tsai, F. J. ^{[2
]}

Huang, J. D. ^{[2
]}

Li, J. F. ^{[1
]}

Lin, C. T. ^{[4
]}

Wu, W. J. ^{[3
]}

机构：

[1] Natl Taiwan Univ, Dept Civil Engn, Taipei 10764, Taiwan

[2] Natl Taiwan Univ, Inst Appl Mech, Taipei, Taiwan

[3] Natl Taiwan Univ, Dept Engn Sci & Ocean Engn, Taipei 10764, Taiwan

[4] Natl Taiwan Univ, Grad Inst Elect Engn, Taipei 10764, Taiwan

来源：

SMART STRUCTURES AND SYSTEMS | 2010年 / 6卷 / 08期

关键词：

wireless sensor network (WSN) ZigBee; structural health monitoring (SHM) Chi-Lu cable-stayed bridge; SYSTEM;

D O I：

10.12989/sss.2010.6.8.939

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

A low-cost wireless sensor network (WSN) solution with highly expandable super and simple nodes was developed The super node was designed as a sensing unit as well as a receiving terminal with low energy consumption The simple node was designed to serve as a cheaper alternative for large-scale deployment A 12-bit ADC inputs and DAC outputs were reserved for sensor boards to ease the sensing integration Vibration and thermal field tests of the Chi-Lu Bridge were conducted to evaluate the WSN's performance Integral acceleration, temperature and tilt sensing modules were constructed to simplify the task of long-term environmental monitoring on this bridge, while a star topology was used to avoid collisions and reduce power consumption We showed that, given sufficient power and additional power amplifier, the WSN can successfully be active for more than 7 days and satisfy the half bridge 120-meter transmission requirement The time and frequency responses of cables shocked by external force and temperature variations around cables m one day were recorded and analyzed Finally, guidelines on power characterization of the WSN platform and selection of acceleration sensors for structural health monitoring applications were given

引用

页码：939 / 951

页数：13

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