Finite element model updating of a space frame bridge with mobile sensing data

Dapeng Zhu; Chia-Hung Fang; Chunhee Cho; Jiajie Guo; Yang Wang; Kok-Meng Lee

doi:10.1117/12.914942

3 April 2012 Finite element model updating of a space frame bridge with mobile sensing data

Dapeng Zhu, Chia-Hung Fang, Chunhee Cho, Jiajie Guo, Yang Wang, Kok-Meng Lee

Proceedings Volume 8345, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012; 834513 (2012) https://doi.org/10.1117/12.914942
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2012, San Diego, California, United States

Abstract

This research investigates the field performance of a mobile sensor network designed for structural health monitoring. Each mobile sensing node (MSN) is a small magnet-wheeled tetherless robot that carries sensors and autonomously navigates on a steel structure. A four-node mobile sensor network is deployed for navigating on the top plane of a space frame bridge. With little human effort, the MSNs navigate to different sections of the steel bridge, attach accelerometers, and measure structural vibrations at high spatial resolution. Using high-resolution data collected by a small number of MSNs, detailed modal characteristics of the bridge are identified. A finite element model for the bridge is constructed according to structural drawings, and updated using modal characteristics extracted from mobile sensing data.

Citation Download Citation

Dapeng Zhu, Chia-Hung Fang, Chunhee Cho, Jiajie Guo, Yang Wang, and Kok-Meng Lee "Finite element model updating of a space frame bridge with mobile sensing data", Proc. SPIE 8345, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012, 834513 (3 April 2012); https://doi.org/10.1117/12.914942

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available