Overview of a cyber-enabled wireless monitoring system for the protection and management of critical infrastructure systems

Lynch, J. P. and Kamat, V. and Li, V. C. and Flynn, M. and Sylvester, D. and Najafi, K. and Gordon, T. and Lepech, M. and Emami-Naeini, A. and Krimotat, A. and Ettouney, M. and Alampalli, S. and Ozdemir, T. (2009) Overview of a cyber-enabled wireless monitoring system for the protection and management of critical infrastructure systems. Proceedings of SPIE - The International Society for Optical Engineering, 7294 . ISSN 0277-786X

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Abstract

The long-term deterioration of large-scale infrastructure systems is a critical national problem that if left unchecked, could lead to catastrophes similar in magnitude to the collapse of the I-35W Bridge. Fortunately, the past decade has witnessed the emergence of a variety of sensing technologies from many engineering disciplines including from the civil, mechanical and electrical engineering fields. This paper provides a detailed overview of an emerging set of sensor technologies that can be effectively used for health management of large-scale infrastructure systems. In particular, the novel sensing technologies are integrated to offer a comprehensive monitoring system that fundamentally addresses the limitations associated with current monitoring systems (for example, indirect damage sensing, cost, data inundation and lack of decision making tools). Self-sensing materials are proposed for distributed, direct sensing of specific damage events common to civil structures such as cracking and corrosion. Data from self-sensing materials, as well as from more traditional sensors, are collected using ultra low-power wireless sensors powered by a variety of power harvesting devices fabricated using microelectromechanical systems (MEMS). Data collected by the wireless sensors is then seamlessly streamed across the internet and integrated with a database upon which finite element models can be autonomously updated. Life-cycle and damage detection analyses using sensor and processed data are streamed into a decision toolbox which will aid infrastructure owners in their decision making. © 2009 SPIE.

Additional Information: Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2009 Volume: 7294, Conference Code: 76122
Keywords:Civil structure, Critical infrastructure systems, Current monitoring systems, Cyber-infrastructure, Damage events, Damage sensing, Decision making tool, Direct sensing, Engineering disciplines, Finite element models, Health management, Large scale infrastructures, Low Power, Microelectromechanical systems, Monitoring system, Power harvesting, Protection and management, Self-sensing, Self-sensing materials, Sensing technology, Sensor technologies, Wireless monitoring system, Wireless sensor, Wireless sensors, Aerospace engineering, Composite materials, Composite micromechanics, Damage detection, Decision making, Electrical engineering, Health, MEMS, Microelectromechanical devices, Monitoring, Security systems, Sensors, Structures (built objects), Structural health monitoring
Subjects:H Engineering > H100 General Engineering
H Engineering > H330 Automotive Engineering
Divisions:College of Science > School of Engineering
ID Code:11661
Deposited On:03 Oct 2013 18:08

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