Built-in Sensor Network for Structural Health Monitoring of Composite Structure
- X. Qing, S. Beard, Amrita Kumar, T. Ooi, F. Chang
- Materials Science
- 1 January 2007
By implementing a built-in sensor network on a composite structure, crucial information regarding the condition, damage state, and service environment of the structure can be obtained. In this study,…
Effect of adhesive on the performance of piezoelectric elements used to monitor structural health
- X. Qing, H. Chan, S. Beard, T. Ooi, S. Marotta
- Engineering, Materials Science
- 1 December 2006
Prediction of Interfacial Bond Failure of FRP–Concrete Surface
- H. Toutanji, P. Saxena, Liangying Zhao, T. Ooi
- Engineering
- 1 August 2007
The use of fiber-reinforced polymer (FRP) for strengthening concrete structures has grown remarkably during the past few years. In spite of exhibiting superior properties, the safety of usage is…
Smart Self-Healing Material Systems Using Inductive and Resistive Heating
Based on the metric of "healing window", the ionomer composite containing 2-3% nano iron oxide particles and heated at induction frequencies between 250 and 300 kHz yields the most favorable results.…
Practical issues in real-world implementation of structural health monitoring systems
- S. Beard, Amrita Kumar, X. Qing, H. Chan, Chang Zhang, T. Ooi
- EngineeringSPIE Smart Structures and Materials…
- 5 May 2005
Currently, there exist several different types of structural health monitoring (SHM) systems that are in the stage of development and/or are being tested for use in real-world applications. For a…
Ballistic Missile Defense System (BMDS) Solutions Using Remendable Polymers
- T. Duenas, J. Schlitter, T. Ooi
- Materials Science
- 2011
This work describes the cross-cutting technology for using remendable polymers for Ballistic Missile Defense System (BMDS) Interceptors to heal damaged missile structures. Matrix cracking and…
Compact and robust open-loop fiber-optic gyroscope for applications in harsh environments
- B. Moslehi, R. Yahalom, A. Corder
- EngineeringOptical Engineering + Applications
- 19 August 2010
The work reported here describes an innovative approach for the design, fabrication, and testing of the IFOG and enables the production of a small, robust and low cost gyro with excellent noise and bandwidth characteristics with high radiation tolerance.
A multivariate statistical analysis technique for on-line fault prediction
- R. K. Youree, J. Yalowitz, A. Corder, T. Ooi
- Computer ScienceInternational Conference on Prognostics and…
- 12 December 2008
A generalized multivariate statistical analysis technique for prediction of impending failures in electronic and electromechanical equipment is described, which is useful in health-monitoring situations where equipment physical models are unavailable or of limited fidelity.
Methods and piezoelectric imbedded sensors for damage detection in composite plates under ambient and cryogenic conditions
- R. Engberg, T. Ooi
- EngineeringSPIE Smart Structures and Materials…
- 27 July 2004
New methods for structural health monitoring are being assessed, especially in high-performance, extreme environment, safety-critical applications. One such application is for composite cryogenic…
Optimizing Sensors, Systems and Performance
- T. Niblock, T. Ooi, S. Marotta
- Materials Science
- 2007
When specifying/developing monitoring and prognostic systems it is important to focus on what information the system needs to deliver. One can then work backward to choose or design the optimal…
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