Efficient time synchronization for structural health monitoring using wireless smart sensor networks

2015 ◽  
Vol 23 (3) ◽  
pp. 470-486 ◽  
Author(s):  
Jian Li ◽  
Kirill A. Mechitov ◽  
Robin E. Kim ◽  
Billie F. Spencer
Keyword(s):  
Sensor Networks ◽  
Structural Health Monitoring ◽  
Health Monitoring ◽  
Time Synchronization ◽  
Smart Sensor ◽  
Structural Health

Decentralized NExT/ERA and RDT/ERA System Identification in Wireless Smart Sensor Networks

2012 ◽  
Vol 204-208 ◽  
pp. 4946-4951 ◽  
Author(s):  
Ding Yu Cui ◽  
Ke Gui Xin ◽  
Billie F. Spencer ◽  
Yu Fei Liu
Keyword(s):  
Sensor Networks ◽  
System Identification ◽  
Structural Health Monitoring ◽  
Power Consumption ◽  
Health Monitoring ◽  
Low Cost ◽  
Mode Shapes ◽  
Smart Sensor ◽  
Structural Health ◽  
Random Decrement Technique

Wireless smart sensor networks (WSSN) have many advances compared with traditional structural health monitoring (SHM) such as wireless process, real-time calculation and low cost. However power consumption is considered as one of the most limitations in this field. The unique features offered by decentralized data aggregation (DDA) technique with the potential to overcome power consumption enable implementation of the dense array of WSSN on large structures. This paper presents a system identification of a simply supported plate based on the random decrement technique (RDT) and natural excitation technique (NExT) in combination with eigensystem realization algorithm (ERA) using Illinois Structural Health Monitoring Project (ISHMP) Services Toolsuite. Finally the system parameters including natural frequency and mode shapes are in accordance with numerical simulation showing efficacy and feasibility of decentralized NExT/ERA and RDT/ERA system identification.

Sensor fault management techniques for wireless smart sensor networks in structural health monitoring

2019 ◽  
Vol 26 (7) ◽  
pp. e2362 ◽  
Author(s):  
Yuguang Fu ◽  
Cheng Peng ◽  
Fernando Gomez ◽  
Yasutaka Narazaki ◽  
Billie F. Spencer
Keyword(s):  
Sensor Networks ◽  
Structural Health Monitoring ◽  
Health Monitoring ◽  
Fault Management ◽  
Smart Sensor ◽  
Sensor Fault ◽  
Structural Health ◽  
Management Techniques
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