Prof. Jerome P. Lynch Profile

Prof. Jerome P. Lynch

Professor at Univ of Michigan

SPIE Involvement:

Conference Program Committee | Conference Co-Chair | Conference Chair | Author | Editor

Publications (73)

PROCEEDINGS ARTICLE | March 27, 2018

Spatial strain measurements using a strain-sensing grid patterned from nanocomposite films

Proc. SPIE. 10598, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2018

KEYWORDS: Thin films, Optical lithography, Sensors, Nanocomposites

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In recent years, interest has grown in the development of sensing skins for structural health monitoring (SHM) with electrical impedance tomography (EIT) used to image skin properties. The computational e ort associated with the inverse solver of EIT is very large and sometimes the final reconstructed strain map derived does not correspond to the true state of the system. To reduce the large computational effort associated with EIT reconstruction of large unpatterned thin films, this study fabricates a patterned spatial strain sensor made from single-walled carbon nanotube (SWCNT) nanocomposite films. The thin nanocomposite strain sensing films are fabricated on a flexible polyimide substrate by using a layer-by-layer (LbL) deposition process. Rather than using a plain/unpatterned film as previously proposed in EIT-based approaches, a grid of piezoresistive nanocomposite strip elements are patterned. The 2D grid arrangement of the nanocomposite sensing elements is achieved using optical lithography. Metal electrodes are deployed at the boundary nodes by physical vapor deposition (PVD) and are connected to wires for controlled current injection and electric potential measurements. In order to infer the strain distribution of a structure using the patterned strain sensing skin, there is a need to have a robust inverse solver. Ohm's and Kircho's laws are used to derived the Neumann-to-Dirichlet map of the rectangular resistor network. The Neumann-to-Dirichlet operator is represented by a matrix which is a function of the resistance distribution. The inverse solution obtains the resistance of each grid element by updating the Neumann-to-Dirichlet operator to drive convergence between the boundary potential measurement taken of the film and those predicted by the forward solution. The inverse solver has been validated by simulations and experiments of a square resistor network of 3 by 3 (node by node) and 4 by 4 resistor grids. Preliminary results show that the proposed inverse solver is accurate for 2D strain measurement using the patterned strain sensing grid.

PROCEEDINGS ARTICLE | March 27, 2018

Identification of bone fracture in osseointegrated prostheses using Rayleigh wave methods

Proc. SPIE. 10600, Health Monitoring of Structural and Biological Systems XII

KEYWORDS: Actuators, Titanium, Sensors, Bone, Wave propagation, Structural health monitoring, Time-frequency analysis

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SPIE Conference Volume | August 9, 2017

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017

PROCEEDINGS ARTICLE | April 19, 2017

Numerical and experimental simulation of linear shear piezoelectric phased arrays for structural health monitoring

Proc. SPIE. 10169, Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure 2017

KEYWORDS: Waveguides, Nondestructive evaluation, Numerical simulations, Wave plates, Laser Doppler velocimetry, Structural health monitoring, Damage detection, Aluminum, Phased arrays

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PROCEEDINGS ARTICLE | April 12, 2017

Ultrasonic longitudinal waves to monitor the integration of titanium rods with host bone

Proc. SPIE. 10168, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017

KEYWORDS: Actuators, Ferroelectric materials, Titanium, Waveguides, Sensors, Interfaces, Ultrasonics, Bone, Wave propagation, Semiconducting wafers

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PROCEEDINGS ARTICLE | April 12, 2017

A distributed cloud-based cyberinfrastructure framework for integrated bridge monitoring

Proc. SPIE. 10168, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017

KEYWORDS: Information fusion, Safety, Roads, Data modeling, Sensors, Databases, Computing systems, Clouds, Sensor networks, Structural health monitoring, Finite element methods, Bridges, System integration, Web services

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PROCEEDINGS ARTICLE | April 12, 2017

Utilization of wireless structural health monitoring as decision making tools for a condition and reliability-based assessment of railroad bridges

Proc. SPIE. 10168, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017

KEYWORDS: Data modeling, Sensors, Solar cells, Reliability, Inspection, Earthquakes, Data processing, Structural health monitoring, Bridges, Failure analysis

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SPIE Conference Volume | July 29, 2016

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2016

PROCEEDINGS ARTICLE | April 22, 2016

Communication analysis for feedback control of civil infrastructure using cochlea-inspired sensing nodes

Proc. SPIE. 9797, Bioinspiration, Biomimetics, and Bioreplication 2016

KEYWORDS: Biosensing, Sensors, Control systems, Sensor networks, Biomimetics, Telecommunications, Receptors, Biological research, Wireless communications, Electronic filtering, Active remote sensing, Feedback control, Time-frequency analysis, Analog filtering, Neurons

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PROCEEDINGS ARTICLE | April 20, 2016

Fully integrated patterned carbon nanotube strain sensors on flexible sensing skin substrates for structural health monitoring

Proc. SPIE. 9803, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2016

KEYWORDS: Thin films, Optical lithography, Sensors, Polymers, Skin, Composites, Structural health monitoring, Damage detection, Sensing systems, Carbon nanotubes

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PROCEEDINGS ARTICLE | April 20, 2016

A cloud-based information repository for bridge monitoring applications

Proc. SPIE. 9803, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2016

KEYWORDS: Roads, Data modeling, Sensors, Data storage, Databases, Clouds, Finite element methods, Bridges, Systems modeling, Standards development

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PROCEEDINGS ARTICLE | April 20, 2016

Demonstration of UAV deployment and control of mobile wireless sensing networks for modal analysis of structures

Proc. SPIE. 9803, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2016

KEYWORDS: Unmanned aerial vehicles, Digital signal processing, Cameras, Sensors, Robotics, Sensor networks, Modal analysis, Sensing systems, Neodymium, Data communications

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SPIE Conference Volume | May 11, 2015

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2015

PROCEEDINGS ARTICLE | April 3, 2015

Heat transfer computed tomography techniques for damage detection in metallic structures

Proc. SPIE. 9435, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2015

KEYWORDS: Infrared cameras, Sensors, Fourier transforms, Wavefronts, Temperature sensors, Finite element methods, Damage detection, Computed tomography, Phased arrays, Temperature metrology

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PROCEEDINGS ARTICLE | April 1, 2015

Automated outlier detection framework for identifying damage states in multi-girder steel bridges using long-term wireless monitoring data

Proc. SPIE. 9437, Structural Health Monitoring and Inspection of Advanced Materials, Aerospace, and Civil Infrastructure 2015

KEYWORDS: Statistical analysis, Data modeling, Sensors, Data storage, Composites, Corrosion, Data processing, Structural health monitoring, Bridges, General packet radio service

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SPIE Conference Volume | May 7, 2014

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014

PROCEEDINGS ARTICLE | April 10, 2014

Automated analysis of long-term bridge behavior and health using a cyber-enabled wireless monitoring system

Proc. SPIE. 9063, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2014

KEYWORDS: Roads, Data modeling, Sensors, Composites, Inspection, Sensor networks, Data acquisition, Structural health monitoring, Damage detection, Bridges

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A worthy goal for the structural health monitoring field is the creation of a scalable monitoring system architecture that abstracts many of the system details (e.g., sensors, data) from the structure owner with the aim of providing “actionable” information that aids in their decision making process. While a broad array of sensor technologies have emerged, the ability for sensing systems to generate large amounts of data have far outpaced advances in data management and processing. To reverse this trend, this study explores the creation of a cyber-enabled wireless SHM system for highway bridges. The system is designed from the top down by considering the damage mechanisms of concern to bridge owners and then tailoring the sensing and decision support system around those concerns. The enabling element of the proposed system is a powerful data repository system termed SenStore. SenStore is designed to combine sensor data with bridge meta-data (e.g., geometric configuration, material properties, maintenance history, sensor locations, sensor types, inspection history). A wireless sensor network deployed to a bridge autonomously streams its measurement data to SenStore via a 3G cellular connection for storage. SenStore securely exposes the bridge meta- and sensor data to software clients that can process the data to extract information relevant to the decision making process of the bridge owner. To validate the proposed cyber-enable SHM system, the system is implemented on the Telegraph Road Bridge (Monroe, MI). The Telegraph Road Bridge is a traditional steel girder-concrete deck composite bridge located along a heavily travelled corridor in the Detroit metropolitan area. A permanent wireless sensor network has been installed to measure bridge accelerations, strains and temperatures. System identification and damage detection algorithms are created to automatically mine bridge response data stored in SenStore over an 18-month period. Tools like Gaussian Process (GP) regression are used to predict changes in the bridge behavior as a function of environmental parameters. Based on these analyses, pertinent behavioral information relevant to bridge management is autonomously extracted.

PROCEEDINGS ARTICLE | April 10, 2014

Free-standing carbon nanotube composite sensing skin for distributed strain sensing in structures

Proc. SPIE. 9061, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014

KEYWORDS: Thin films, Optical lithography, Sensors, Skin, Composites, Resistance, Sensing systems, Chemical elements, Nanocomposites, Carbon nanotubes

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The technical challenges of managing the health of critical infrastructure systems necessitate greater structural sensing capabilities. Among these needs is the ability for quantitative, spatial damage detection on critical structural components. Advances in material science have now opened the door for novel and cost-effective spatial sensing solutions specially tailored for damage detection in structures. However, challenges remain before spatial damage detection can be realized. Some of the technical challenges include sensor installations and extensive signal processing requirements. This work addresses these challenges by developing a patterned carbon nanotube composite thin film sensor whose pattern has been optimized for measuring the spatial distribution of strain. The carbon nanotube-polymer nanocomposite sensing material is fabricated on a flexible polyimide substrate using a layer-by-layer deposition process. The thin film sensors are then patterned into sensing elements using optical lithography processes common to microelectromechanical systems (MEMS) technologies. The sensor array is designed as a series of sensing elements with varying width to provide insight on the limitations of such patterning and implications of pattern geometry on sensing signals. Once fabrication is complete, the substrate and attached sensor are epoxy bonded to a poly vinyl composite (PVC) bar that is then tested with a uniaxial, cyclic load pattern and mechanical response is characterized. The fabrication processes are then utilized on a larger-scale to develop and instrument a component-specific sensing skin in order to observe the strain distribution on the web of a steel beam. The instrumented beam is part of a larger steel beam-column connection with a concrete slab in composite action. The beam-column subassembly is laterally loaded and strain trends in the web are observed using the carbon nanotube composite sensing skin. The results are discussed in the context of understanding the properties of the thin film sensor and how it may be advanced toward structural sensing applications.

PROCEEDINGS ARTICLE | April 10, 2014

Development of an extensible dual-core wireless sensing node for cyber-physical systems

Proc. SPIE. 9061, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014

KEYWORDS: Actuators, Sensors, Computing systems, Control systems, Wind turbine technology, Microcontrollers, Analog electronics, Feedback control, Control systems design, Standards development

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PROCEEDINGS ARTICLE | March 9, 2014

Real-time estimation of the structural response using limited measured data

Proc. SPIE. 9063, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2014

KEYWORDS: Software, Structural health monitoring, Finite element methods, Bridges, Data analysis

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PROCEEDINGS ARTICLE | March 9, 2014

Implementation of damage detection algorithms for the Alfred Zampa Memorial Suspension Bridge

Proc. SPIE. 9063, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2014

KEYWORDS: Detection and tracking algorithms, Computer simulations, Numerical analysis, Structural health monitoring, Finite element methods, Damage detection, Bridges, Electromagnetic simulation

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SPIE Conference Volume | April 26, 2013

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013

PROCEEDINGS ARTICLE | April 19, 2013

Cochlea-inspired sensing node for compressive sensing

Proc. SPIE. 8692, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013

KEYWORDS: Sensors, Earthquakes, Data acquisition, Telecommunications, Signal processing, Sensing systems, Nervous system, Structural monitoring, Electronic filtering, Bandpass filters

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PROCEEDINGS ARTICLE | April 19, 2013

Embedded linear classifiers on wireless sensor networks for damage detection

Proc. SPIE. 8692, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2013

KEYWORDS: Cooling systems, Detection and tracking algorithms, Sensors, Sensor networks, Data processing, Damage detection, Analytical research, Algorithm development, Antimony, Classification systems

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PROCEEDINGS ARTICLE | April 11, 2013

Cyber-infrastructure design and implementation for structural health monitoring

Proc. SPIE. 8694, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2013

KEYWORDS: Human-machine interfaces, Data modeling, Sensors, Data storage, Databases, Inspection, Data processing, Structural health monitoring, Finite element methods, Bridges

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PROCEEDINGS ARTICLE | April 11, 2013

Implementation of a compressive sampling scheme for wireless sensors to achieve energy efficiency in a structural health monitoring system

Proc. SPIE. 8694, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2013

KEYWORDS: Energy efficiency, Sensors, Data acquisition, Structural health monitoring, Modal analysis, Bridges, Magnetic sensors, Reconstruction algorithms, Wireless communications, Compressed sensing

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SPIE Conference Volume | May 9, 2012

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012

PROCEEDINGS ARTICLE | April 5, 2012

Finite Element model updating of a skewed highway bridge using a multi-variable sensitivity-based optimization approach

Proc. SPIE. 8347, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2012

KEYWORDS: Data modeling, Sensors, Calibration, Matrices, Composites, Finite element methods, Bridges, Shape analysis, Optimization (mathematics), Process modeling

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PROCEEDINGS ARTICLE | April 5, 2012

Nonlinear modeling of the vehicle/structure interaction on a skewed highway bridge using an iterative uncoupled approach

Proc. SPIE. 8347, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2012

KEYWORDS: Mathematical modeling, Roads, Calibration, Composites, 3D modeling, Finite element methods, Software development, Bridges, Chemical elements, Motion models

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PROCEEDINGS ARTICLE | April 5, 2012

Distributed cyberinfrastructure tools for automated data processing of structural monitoring data

Proc. SPIE. 8347, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2012

KEYWORDS: Data modeling, Sensors, Databases, Inspection, Sensor networks, Data acquisition, Data processing, Structural health monitoring, Bridges, Data conversion

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PROCEEDINGS ARTICLE | March 26, 2012

Heterogeneous wireless sensor networks for computational partitioning of Markov parameter-based system identification

Proc. SPIE. 8345, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012

KEYWORDS: Energy efficiency, Clocks, Data modeling, Sensors, Matrices, Computing systems, Data transmission, Sensor networks, System identification, Wireless communications

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PROCEEDINGS ARTICLE | April 18, 2011

Mechanical and electrical characterization of self-sensing carbon black ECC

Proc. SPIE. 7983, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011

KEYWORDS: Actuators, Carbon, Sensors, Electrodes, Particles, Composites, Silver, Cements, Civil engineering, Structural monitoring

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PROCEEDINGS ARTICLE | April 18, 2011

The development of chloride ion selective polypyrrole thin film on a layer-by-layer carbon nanotube working electrode

Proc. SPIE. 7983, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011

KEYWORDS: Thin films, Sensors, Electrodes, Polymers, Ions, Polymerization, Environmental sensing, Single walled carbon nanotubes, Nanolithography, Carbon nanotubes

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PROCEEDINGS ARTICLE | April 18, 2011

Long-term assessment of an autonomous wireless structural health monitoring system at the new Carquinez Suspension Bridge

Proc. SPIE. 7983, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2011

KEYWORDS: Data modeling, Sensors, Databases, Inspection, Sensor networks, Telecommunications, System identification, Bridges, Wireless communications, Data communications

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A dense network of sensors installed in a bridge can continuously generate response data from which the health and condition of the bridge can be analyzed. This approach to structural health monitoring the efforts associated with periodic bridge inspections and can provide timely insight to regions of the bridge suspected of degradation or damage. Nevertheless, the deployment of fine sensor grids on large-scale structures is not feasible using wired monitoring systems because of the rapidly increasing installation labor and costs required. Moreover, the enormous size of raw sensor data, if not translated into meaningful forms of information, can paralyze the bridge manager's decision making. This paper reports the development of a large-scale wireless structural monitoring system for long-span bridges; the system is entirely wireless which renders it low-cost and easy to install. Unlike central tethered data acquisition systems where data processing occurs in the central server, the distributed network of wireless sensors supports data processing. In-network data processing reduces raw data streams into actionable information of immediate value to the bridge manager. The proposed wireless monitoring system has been deployed on the New Carquinez Suspension Bridge in California. Current efforts on the bridge site include: 1) long-term assessment of a dense wireless sensor network; 2) implementation of a sustainable power management solution using solar power; 3) performance evaluation of an internet-enabled cyber-environment; 4) system identification of the bridge; and 5) the development of data mining tools. A hierarchical cyber-environment supports peer-to-peer communication between wireless sensors deployed on the bridge and allows for the connection between sensors and remote database systems via the internet. At the remote server, model calibration and damage detection analyses that employ a reduced-order finite element bridge model are implemented.

PROCEEDINGS ARTICLE | April 14, 2011

Distributed neural computations for embedded sensor networks

Proc. SPIE. 7981, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011

KEYWORDS: Sensors, Complex systems, Sensor networks, Data processing, Telecommunications, Structural health monitoring, Neural networks, Wireless communications, Systems modeling, Evolutionary algorithms

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PROCEEDINGS ARTICLE | April 14, 2011

Monitoring of vehicle-bridge interaction using mobile and static wireless sensor networks

Proc. SPIE. 7981, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011

KEYWORDS: Roads, Sensors, Sensor networks, Structural health monitoring, Bridges, Wireless communications, Electronic filtering, Data communications, Ferroelectric polymers, Filtering (signal processing)

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SPIE Conference Volume | March 29, 2011

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011

PROCEEDINGS ARTICLE | April 9, 2010

Behavior of full-scale concrete segmented pipelines under permanent ground displacements

Proc. SPIE. 7650, Health Monitoring of Structural and Biological Systems 2010

KEYWORDS: Actuators, Soil science, Sensors, Inspection, Optical inspection, Earthquakes, Data acquisition, Civil engineering, Epoxies, Landslide (networking)

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PROCEEDINGS ARTICLE | April 9, 2010

Near-optimal sensor placement for health monitoring of civil structures

Proc. SPIE. 7649, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2010

KEYWORDS: Sensors, Error analysis, Structural health monitoring, Finite element methods, Bridges, Motion models, Optimization (mathematics), Cesium, Systems modeling, Convex optimization

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PROCEEDINGS ARTICLE | April 9, 2010

A two-tiered self-powered wireless monitoring system architecture for bridge health management

Proc. SPIE. 7649, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2010

KEYWORDS: Sensors, Inspection, Data processing, Telecommunications, Structural health monitoring, Bridges, Wireless communications, Data communications, Prototyping, Amplitude modulation

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PROCEEDINGS ARTICLE | April 9, 2010

Smart antenna technology for structural health monitoring applications

Proc. SPIE. 7649, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2010

KEYWORDS: Signal to noise ratio, Beam steering, Switches, Polarization, Sensors, Copper, Control systems, Structural health monitoring, Antennas, Connectors

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PROCEEDINGS ARTICLE | April 1, 2010

US-Korea collaborative research for bridge monitoring test beds

Proc. SPIE. 7647, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010

KEYWORDS: Internet, Ferroelectric materials, Environmental monitoring, Sensors, Civil engineering, Structural health monitoring, Damage detection, Bridges, Smart structures, Active sensors

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PROCEEDINGS ARTICLE | April 1, 2010

Automated mode shape estimation in agent-based wireless sensor networks

Proc. SPIE. 7647, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010

KEYWORDS: Data modeling, Sensors, Reliability, Sensor networks, Data processing, Structural health monitoring, Wireless communications, Algorithm development, Data communications, Prototyping

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PROCEEDINGS ARTICLE | April 1, 2010

Automated wind load characterization of wind turbine structures by embedded model updating

Proc. SPIE. 7647, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010

KEYWORDS: Data modeling, Sensors, Sensor networks, Wind turbine technology, Wind energy, Analog electronics, Algorithm development, Renewable energy, Wind measurement, Algorithms

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SPIE Conference Volume | March 31, 2010

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010

PROCEEDINGS ARTICLE | April 8, 2009

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

Proc. SPIE. 7294, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2009

KEYWORDS: Internet, Data modeling, Sensors, Inspection, Data processing, Structural health monitoring, Finite element methods, Bridges, Sensing systems, Antennas

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PROCEEDINGS ARTICLE | April 8, 2009

Layer-by-layer carbon nanotube bio-templates for in situ monitoring of the metabolic activity of nitrifying bacteria

Proc. SPIE. 7295, Health Monitoring of Structural and Biological Systems 2009

KEYWORDS: Thin films, Environmental monitoring, Sensors, Electrodes, Resistance, Oxygen, Nanocomposites, Environmental sensing, Bacteria, Carbon nanotubes

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PROCEEDINGS ARTICLE | April 8, 2009

Experimental study on the behavior of segmented buried concrete pipelines subject to ground movements

Proc. SPIE. 7294, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2009

KEYWORDS: Actuators, Soil science, Sensors, Fourier transforms, Optical inspection, Earthquakes, Data acquisition, Transducers, Civil engineering, Epoxies

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PROCEEDINGS ARTICLE | March 30, 2009

Reconfigurable wireless monitoring systems for bridges: validation on the Yeondae Bridge

Proc. SPIE. 7292, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2009

KEYWORDS: Roads, Sensors, Inspection, Data acquisition, Telecommunications, Modal analysis, Bridges, Structural monitoring, Wireless communications, Data communications

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PROCEEDINGS ARTICLE | April 10, 2008

Decentralized wireless structural sensing and control with multiple system architectures operating at different sampling frequencies

Proc. SPIE. 6935, Health Monitoring of Structural and Biological Systems 2008

KEYWORDS: Actuators, Transceivers, Sensors, Matrices, Control systems, Telecommunications, Wireless communications, Data communications, Feedback control, Structural sensing

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PROCEEDINGS ARTICLE | April 8, 2008

Spatial structural sensing by carbon nanotube-based skins

Proc. SPIE. 6932, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2008

KEYWORDS: Carbon, Sensors, Electrodes, Skin, Corrosion, Structural health monitoring, Finite element methods, Aluminum, Chemical elements, Nanocomposites

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PROCEEDINGS ARTICLE | April 8, 2008

Piezoelectric polymeric thin films tuned by carbon nanotube fillers

Proc. SPIE. 6932, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2008

KEYWORDS: Thin films, Polymers, Crystals, Composites, Dielectrics, Scanning electron microscopy, Single walled carbon nanotubes, Ferroelectric polymers, Polymer thin films, Dielectric polarization

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PROCEEDINGS ARTICLE | April 8, 2008

Distributed data processing within dense networks of wireless sensors using parallelized model updating techniques

Proc. SPIE. 6934, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2008

KEYWORDS: Data modeling, Sensors, Sensor networks, Data processing, Sensing systems, Wireless communications, Motion models, Stochastic processes, Systems modeling, Algorithms

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PROCEEDINGS ARTICLE | April 19, 2007

Performance evaluation of decentralized wireless sensing and control in civil structures

Proc. SPIE. 6531, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2007

KEYWORDS: Actuators, Sensors, Numerical simulations, Control systems, Telecommunications, Sensing systems, Wireless communications, Data communications, Feedback control, Prototyping

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PROCEEDINGS ARTICLE | April 10, 2007

Application of a wireless sensing and control system to control a torsion-coupling building with MR-dampers

Proc. SPIE. 6529, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2007

KEYWORDS: Sensors, Control systems, Electroluminescence, Earthquakes, Data acquisition, Telecommunications, Sensing systems, Wireless communications, Algorithm development, Data communications

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PROCEEDINGS ARTICLE | April 10, 2007

Reliable information management in a low-cost wireless structural monitoring and control network

Proc. SPIE. 6529, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2007

KEYWORDS: Actuators, Sensors, Control systems, Telecommunications, Structural health monitoring, Sensing systems, Structural monitoring, Wireless communications, Data communications, Control systems design

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PROCEEDINGS ARTICLE | April 10, 2007

Electrical impedance tomography of carbon nanotube composite materials

Proc. SPIE. 6529, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2007

KEYWORDS: Thin films, Sensors, Electrodes, Composites, Tomography, Data acquisition, Associative arrays, Single walled carbon nanotubes, Nanolithography, Carbon nanotubes

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PROCEEDINGS ARTICLE | April 10, 2007

Passive wireless strain and pH sensing using carbon nanotube-gold nanocomposite thin films

Proc. SPIE. 6529, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2007

KEYWORDS: Carbon, Thin films, Capacitors, Sensors, Resistance, Capacitance, Antennas, Nanocomposites, Inductance, Nanolithography

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PROCEEDINGS ARTICLE | April 11, 2006

Ambient vibration study of Gi-Lu cable-stay bridge: application of wireless sensing units

Proc. SPIE. 6174, Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

KEYWORDS: Data modeling, Sensors, Vibrometry, Finite element methods, Bridges, Sensing systems, Shape analysis, Wireless communications, Stochastic processes, Autoregressive models

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PROCEEDINGS ARTICLE | April 11, 2006

Mechanical-electrical characterization of carbon-nanotube thin films for structural monitoring applications

Proc. SPIE. 6174, Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

KEYWORDS: Microelectromechanical systems, Thin films, Sensors, Polymers, Metals, Resistance, Structural monitoring, Single walled carbon nanotubes, Nanolithography, Carbon nanotubes

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PROCEEDINGS ARTICLE | March 16, 2006

Rapid-to-deploy wireless monitoring systems for static and dynamic load testing of bridges: validation on the Grove Street Bridge

Proc. SPIE. 6178, Nonintrusive Inspection, Structures Monitoring, and Smart Systems for Homeland Security

KEYWORDS: Microelectromechanical systems, Sensors, Composites, Fourier transforms, Cements, Finite element methods, Bridges, Epoxies, Structural monitoring, Wheatstone bridges

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PROCEEDINGS ARTICLE | March 15, 2006

Wireless feedback structural control with embedded computing

Proc. SPIE. 6177, Health Monitoring and Smart Nondestructive Evaluation of Structural and Biological Systems V

KEYWORDS: Actuators, Transceivers, Sensors, Control systems, Telecommunications, Microcontrollers, Wireless communications, Data communications, Feedback control, Prototyping

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PROCEEDINGS ARTICLE | May 17, 2005

Conductivity-based strain monitoring and damage characterization of fiber reinforced cementitious structural components

Proc. SPIE. 5765, Smart Structures and Materials 2005: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

KEYWORDS: Carbon, Polarization, Sensors, Composites, Interfaces, Resistance, Structured optical fibers, Cements, Bridges, Active remote sensing

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PROCEEDINGS ARTICLE | May 9, 2005

Investigation of data quality in a wireless sensing unit composed of off-the-shelf components

Proc. SPIE. 5768, Health Monitoring and Smart Nondestructive Evaluation of Structural and Biological Systems IV

KEYWORDS: Digital signal processing, Sensors, Signal attenuation, Data transmission, Buildings, Data acquisition, Microcontrollers, Sensing systems, Data conversion, Analog electronics

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PROCEEDINGS ARTICLE | May 9, 2005

Design of a low-power wireless structural monitoring system for collaborative computational algorithms

Proc. SPIE. 5768, Health Monitoring and Smart Nondestructive Evaluation of Structural and Biological Systems IV

KEYWORDS: Sensors, Data acquisition, Telecommunications, Structural health monitoring, Bridges, Sensing systems, Structural monitoring, Wireless communications, Data communications, Prototyping

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PROCEEDINGS ARTICLE | May 9, 2005

Local-based damage detection of cyclically loaded bridge piers using wireless sensing units

Proc. SPIE. 5768, Health Monitoring and Smart Nondestructive Evaluation of Structural and Biological Systems IV

KEYWORDS: Data modeling, Sensors, Composites, Resistance, Structured optical fibers, Cements, Earthquakes, Damage detection, Bridges, Tolerancing

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PROCEEDINGS ARTICLE | July 29, 2004

Linear classification of system poles for structural damage detection using piezoelectric active sensors

Proc. SPIE. 5391, Smart Structures and Materials 2004: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

KEYWORDS: Data modeling, Sensors, Damage detection, Aluminum, Image classification, Structural monitoring, Active remote sensing, Active sensors, Autoregressive models, Classification systems

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PROCEEDINGS ARTICLE | July 21, 2004

Design of a wireless active sensing unit for structural health monitoring

Proc. SPIE. 5394, Health Monitoring and Smart Nondestructive Evaluation of Structural and Biological Systems III

KEYWORDS: Actuators, Data modeling, Sensors, Structural health monitoring, Damage detection, Aluminum, Structural monitoring, Active remote sensing, Active sensors, Prototyping

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PROCEEDINGS ARTICLE | July 14, 2004

Wireless structural monitoring for homeland security applications

Proc. SPIE. 5395, Nondestructive Detection and Measurement for Homeland Security II

KEYWORDS: Environmental monitoring, Homeland security, Sensors, Corrosion, Data processing, Sensing systems, Chemical analysis, Structural monitoring, Data communications, Environmental sensing

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PROCEEDINGS ARTICLE | August 18, 2003

Field validation of a wireless structural monitoring system on the Alamosa Canyon Bridge

Proc. SPIE. 5057, Smart Structures and Materials 2003: Smart Systems and Nondestructive Evaluation for Civil Infrastructures

KEYWORDS: Microelectromechanical systems, Sensors, Data acquisition, Microcontrollers, Bridges, Sensing systems, Structural monitoring, Wireless communications, Data communications, Prototyping

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PROCEEDINGS ARTICLE | August 18, 2003

Time synchronization algorithms for wireless monitoring system

Proc. SPIE. 5057, Smart Structures and Materials 2003: Smart Systems and Nondestructive Evaluation for Civil Infrastructures

KEYWORDS: Clocks, Data modeling, Sensors, Error analysis, Computer simulations, Buildings, Earthquakes, Structural health monitoring, Sensing systems, Autoregressive models

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PROCEEDINGS ARTICLE | August 18, 2003

Two-tiered wireless sensor network architecture for structural health monitoring

Proc. SPIE. 5057, Smart Structures and Materials 2003: Smart Systems and Nondestructive Evaluation for Civil Infrastructures

KEYWORDS: Transceivers, Clocks, Sensors, Earthquakes, Sensor networks, Data acquisition, Structural monitoring, Data conversion, Data communications, Network architectures

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PROCEEDINGS ARTICLE | June 28, 2002

Validation of a wireless modular monitoring system for structures

Proc. SPIE. 4696, Smart Structures and Materials 2002: Smart Systems for Bridges, Structures, and Highways

KEYWORDS: Microelectromechanical systems, Magnesium, Sensors, Data acquisition, Transducers, Microcontrollers, Sensing systems, Wireless communications, Analog electronics, Data communications

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Showing 5 of 73 publications

Conference Committee Involvement (36)

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

3 March 2019 | Denver, Colorado, United States

Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XIII

3 March 2019 | Denver, Colorado, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

5 March 2018 | Denver, Colorado, United States

Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XII

5 March 2018 | Denver, Colorado, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

26 March 2017 | Portland, Oregon, United States

Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, Civil Infrastructure, and Transportation XI

26 March 2017 | Portland, Oregon, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

21 March 2016 | Las Vegas, Nevada, United States

Nondestructive Characterization and Monitoring of Advanced Materials, Aerospace, and Civil Infrastructure X

21 March 2016 | Las Vegas, Nevada, United States

Health Monitoring of Structural and Biological Systems X

21 March 2016 | Las Vegas, Nevada, United States

Health Monitoring of Structural and Biological Systems IX

9 March 2015 | San Diego, California, United States

Structural Health Monitoring and Inspection of Advanced Materials, Aerospace, and Civil Infrastructure IX

9 March 2015 | San Diego, California, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

9 March 2015 | San Diego, California, United States

Health Monitoring of Structural and Biological Systems VIII

10 March 2014 | San Diego, California, United States

Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security VIII

10 March 2014 | San Diego, California, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

10 March 2014 | San Diego, California, United States

Health Monitoring of Structural and Biological Systems VII

11 March 2013 | San Diego, California, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

10 March 2013 | San Diego, California, United States

Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security VII

10 March 2013 | San Diego, California, United States

Health Monitoring of Structural and Biological Systems VI

12 March 2012 | San Diego, California, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

12 March 2012 | San Diego, California, United States

Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security VI

12 March 2012 | San Diego, California, United States

Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security V

7 March 2011 | San Diego, California, United States

Health Monitoring of Structural and Biological Systems V

7 March 2011 | San Diego, California, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

7 March 2011 | San Diego, California, United States

Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security IV

8 March 2010 | San Diego, California, United States

Health Monitoring of Structural and Biological Systems IV

8 March 2010 | San Diego, California, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

8 March 2010 | San Diego, California, United States

Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security III

9 March 2009 | San Diego, California, United States

Health Monitoring of Structural and Biological Systems III

9 March 2009 | San Diego, California, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

9 March 2009 | San Diego, California, United States

Health Monitoring of Structural and Biological Systems II

10 March 2008 | San Diego, California, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

10 March 2008 | San Diego, California, United States

Health Monitoring of Structural and Biological Systems

19 March 2007 | San Diego, California, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

19 March 2007 | San Diego, California, United States

Health Monitoring and Smart NDE of Structural and Biological Systems V

27 February 2006 | San Diego, CA, United States

Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

27 February 2006 | San Diego, California, United States

Showing 5 of 36 published special sections

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