Prof. Billie F. Spencer Profile

Prof. Billie F. Spencer

at Univ of Illinois

SPIE Involvement:

Author

Publications (33)

Proceedings Article | 27 March 2018 Presentation + Paper

Demand-based wireless smart sensors for earthquake monitoring of civil infrastructure

Y. Fu, L. Zhu, T. Hoang, K. Mechitov, B. Spencer

Proceedings Volume 10598, 105980Z (2018) https://doi.org/10.1117/12.2296634

KEYWORDS: Earthquakes, Sensors, Smart sensors, Data fusion, Data integration, Data acquisition, Power supplies, Data processing

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Proceedings Article | 10 April 2014 Paper

Multi-metric model-based structural health monitoring

Hongki Jo, B. Spencer

Proceedings Volume 9061, 90611F (2014) https://doi.org/10.1117/12.2045126

KEYWORDS: Filtering (signal processing), Error analysis, Structural health monitoring, Sensors, Model-based design, Bridges, Safety, Matrices, Inspection, Sensor technology

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Proceedings Article | 8 March 2014 Paper

System identification of civil engineering structures with multiple inputs by decoupling output signals

Jian Li, Manuel Ruiz-Sandoval, Billie Spencer, Amr Elnashai

Proceedings Volume 9061, 90611I (2014) https://doi.org/10.1117/12.2044191

KEYWORDS: Bridges, System identification, Civil engineering, Earthquakes, Sensors, Matrices, Motion models, Fourier transforms, Mathematical modeling, Systems modeling

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Proceedings Article | 19 April 2013 Paper

Automated wireless monitoring system for cable tension using smart sensors

Sung-Han Sim, Jian Li, Hongki Jo, Jongwoong Park, Soojin Cho, Billie Spencer, Chung-Bang Yun

Proceedings Volume 8692, 86922B (2013) https://doi.org/10.1117/12.2009552

KEYWORDS: Bridges, Sensors, Smart sensors, Sensor networks, Structural health monitoring, Antennas, Data processing, Solar cells, Connectors, Data transmission

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Proceedings Article | 6 April 2012 Paper

New regulations on railroad bridge safety: opportunities and challenges for railroad bridge monitoring

Fernando Moreu, James LaFave, Billie Spencer

Proceedings Volume 8345, 834540 (2012) https://doi.org/10.1117/12.915329

KEYWORDS: Bridges, Safety, Sensors, Structural engineering, Inspection, Structural health monitoring, Smart structures, Civil engineering, Structural monitoring, Document management

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Proceedings Article | 3 April 2012 Paper

Decentralized system identification using stochastic subspace identification on wireless smart sensor networks

Sung-Han Sim, Billie Spencer, Jongwoong Park, Hyungjo Jung

Proceedings Volume 8345, 83450O (2012) https://doi.org/10.1117/12.916126

KEYWORDS: Sensors, Data processing, System identification, Sensor networks, Correlation function, Smart sensors, Data acquisition, Stochastic processes, Wireless communications, Structural health monitoring

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Proceedings Article | 3 April 2012 Paper

Preliminary study of low-cost GPS receivers for time synchronization of wireless sensors

R. Kim, T. Nagayama, H. Jo, B. Spencer

Proceedings Volume 8345, 83451A (2012) https://doi.org/10.1117/12.915394

KEYWORDS: Global Positioning System, Receivers, Structural health monitoring, Sensors, Clocks, Electronic filtering, Sensor networks, Smart sensors, Error analysis, Linear filtering

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Proceedings Article | 3 April 2012 Paper

Efficient campaign-type structural health monitoring using wireless smart sensors

Jian Li, Tomonori Nagayama, Kirill Mechitov, Billie Spencer

Proceedings Volume 8345, 83450U (2012) https://doi.org/10.1117/12.914860

KEYWORDS: Clocks, Structural health monitoring, Sensors, Data communications, Smart sensors, Temperature metrology, Telecommunications, Data modeling, Switches, Receivers

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Proceedings Article | 3 April 2012 Paper

Design and validation of high-precision wireless strain sensors for structural health monitoring of steel structures

Hongki Jo, JongWoong Park, B. Spencer, Hyung-Jo Jung

Proceedings Volume 8345, 834518 (2012) https://doi.org/10.1117/12.915392

KEYWORDS: Wheatstone bridges, Bridges, Sensors, Structural health monitoring, Calibration, Temperature metrology, Resistors, Amplifiers, Magnetic sensors, Resistance

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Proceedings Article | 18 April 2011 Paper

Full-scale decentralized damage identification using wireless smart sensors

Shinae Jang, Sung-Han Sim, Hongki Jo, Billie Spencer

Proceedings Volume 7981, 79814W (2011) https://doi.org/10.1117/12.881160

KEYWORDS: Bridges, Structural health monitoring, Sensors, Damage detection, Smart sensors, System identification, Head, Environmental sensing, Software development, Solar cells

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Proceedings Article | 13 April 2011 Paper

Hybrid wireless smart sensor network for full-scale structural health monitoring of a cable-stayed bridge

Hongki Jo, Sung-Han Sim, Kirill Mechitov, Robin Kim, Jian Li, Parya Moinzadeh, B. Spencer, Jong Woong Park, Soojin Cho, Hyung-Jo Jung, Chung-Bang Yun, Jennifer Rice, Tomonori Nagayama

Proceedings Volume 7981, 798105 (2011) https://doi.org/10.1117/12.880513

KEYWORDS: Sensors, Structural health monitoring, Bridges, Smart sensors, Sensor networks, Neodymium, Environmental monitoring, Environmental sensing, Data communications, Data processing

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Proceedings Article | 1 April 2010 Paper

An experimental study of active base isolation control for seismic protection

Chia-Ming Chang, Billie Spencer

Proceedings Volume 7647, 76473V (2010) https://doi.org/10.1117/12.847497

KEYWORDS: Actuators, Control systems, Buildings, Earthquakes, System identification, Systems modeling, Smart structures, Passive isolation, Sensors, Active isolation

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Proceedings Article | 1 April 2010 Paper

Decentralized bridge health monitoring using wireless smart sensors

S. Jang, S. Sim, H. Jo, B. Spencer

Proceedings Volume 7647, 76473I (2010) https://doi.org/10.1117/12.847527

KEYWORDS: Structural health monitoring, Sensors, Smart sensors, Damage detection, Bridges, System identification, Correlation function, Data processing, Matrices, Head

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Proceedings Article | 1 April 2010 Paper

Feasibility study of wind generator for smart wireless sensor node in cable-stayed bridge

Jong-Woong Park, Hyung-Jo Jung, Hongki Jo, Shinae Jang, Billie Spencer

Proceedings Volume 7647, 764747 (2010) https://doi.org/10.1117/12.853600

KEYWORDS: Sensors, Bridges, Solar energy, Structural health monitoring, Wind energy, Solar cells, Energy harvesting, Wind measurement, Resistance, Wind turbine technology

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Proceedings Article | 1 April 2010 Paper

Controllable outrigger damping system for high rise building with MR dampers

Zhihao Wang, Chia-Ming Chang, Billie Spencer, Zhengqing Chen

Proceedings Volume 7647, 76473Z (2010) https://doi.org/10.1117/12.847837

KEYWORDS: Control systems, Earthquakes, Numerical simulations, Performance modeling, Mathematical modeling, Finite element methods, Motion models, Vibration control, Sensors, Smart structures

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Proceedings Article | 1 April 2010 Paper

Efficient decentralized data aggregation in wireless smart sensor networks

Sung-Han Sim, Juan Francisco Carbonell-Marquez, Billie Spencer

Proceedings Volume 7647, 764718 (2010) https://doi.org/10.1117/12.848229

KEYWORDS: Sensors, Data communications, Smart sensors, Data processing, Structural health monitoring, Sensor networks, Correlation function, System identification, Wireless communications, Distributed computing

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Proceedings Article | 1 April 2010 Paper

Autonomous smart sensor network for full-scale structural health monitoring

Jennifer Rice, Kirill Mechitov, B. Spencer, Gul Agha

Proceedings Volume 7647, 764726 (2010) https://doi.org/10.1117/12.847917

KEYWORDS: Sensors, Structural health monitoring, Smart sensors, Sensor networks, Data communications, Data acquisition, Remote sensing, Modal analysis, Structural monitoring, Damage detection

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Proceedings Article | 1 April 2010 Paper

Structural health monitoring system of a cable-stayed bridge using a dense array of scalable smart sensor network

Soojin Cho, Shin Ae Jang, Hongki Jo, Kirill Mechitov, Jennifer Rice, Hyung-Jo Jung, Chung-Bang Yun, Billie Spencer, Tomonori Nagayama, Juwon Seo

Proceedings Volume 7647, 764707 (2010) https://doi.org/10.1117/12.852272

KEYWORDS: Bridges, Smart sensors, Structural health monitoring, Sensors, Sensor networks, Wind measurement, Data communications, Energy harvesting, Solar cells, Head

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Proceedings Article | 1 April 2010 Paper

Development of high-sensitivity accelerometer board for structural health monitoring

Hongki Jo, Jennifer Rice, Billie Spencer, Tomonori Nagayama

Proceedings Volume 7647, 764706 (2010) https://doi.org/10.1117/12.848905

KEYWORDS: Sensors, Structural health monitoring, Smart sensors, Interference (communication), Sensor networks, Magnesium, Analog electronics, Power supplies, Microelectromechanical systems, Signal to noise ratio

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Proceedings Article | 8 April 2009 Paper

Receptance-based structural health monitoring approach for bridge structures

S. Jang, B. Spencer

Proceedings Volume 7295, 72952A (2009) https://doi.org/10.1117/12.817614

KEYWORDS: Matrices, Damage detection, Smart sensors, Sensor networks, Bridges, Stochastic processes, Sensors, Structural health monitoring, Multispectral imaging, Tolerancing

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Proceedings Article | 30 March 2009 Paper

Automated decentralized smart sensor network for modal analysis

S. H. Sim, B. F. Spencer, M. Zhang, H. Xie

Proceedings Volume 7292, 72920W (2009) https://doi.org/10.1117/12.817629

KEYWORDS: Sensors, Smart sensors, Sensor networks, Modal analysis, Data processing, Data acquisition, Data communications, Civil engineering, Wireless communications, Structural health monitoring

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Proceedings Article | 30 March 2009 Paper

Self-powered and sensing control system based on MR damper: presentation and application

Zhihao Wang, Zhengqing Chen, Billie Spencer

Proceedings Volume 7292, 729240 (2009) https://doi.org/10.1117/12.815395

KEYWORDS: Control systems, Bridges, Control systems design, Vibration control, Sensing systems, Sensors, Electroluminescence, Earthquakes, Power supplies, Resistance

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Proceedings Article | 30 March 2009 Paper

Application of active base isolation control

Chia-Ming Chang, Zhihao Wang, Billie Spencer

Proceedings Volume 7292, 729239 (2009) https://doi.org/10.1117/12.821827

KEYWORDS: Control systems, Actuators, System identification, Systems modeling, Control systems design, Earthquakes, Mathematical modeling, Smart structures, Motion models, Linear filtering

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Proceedings Article | 24 April 2008 Open Access

Decentralized structural health monitoring using smart sensors

B. Spencer, T. Nagayama, Jennifer Rice

Proceedings Volume 6932, 693202 (2008) https://doi.org/10.1117/12.791077

KEYWORDS: Smart sensors, Sensors, Structural health monitoring, Sensor networks, Head, Data communications, Data processing, Correlation function, Antennas, Data acquisition

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Proceedings Article | 8 April 2008 Paper

Structural health monitoring sensor development for the Imote2 platform

Jennifer Rice, B. Spencer

Proceedings Volume 6932, 693234 (2008) https://doi.org/10.1117/12.776695

KEYWORDS: Sensors, Structural health monitoring, Smart sensors, Linear filtering, Digital filtering, Optical filters, Clocks, Data acquisition, Analog electronics, Amplifiers

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Proceedings Article | 18 April 2007 Paper

Structural health monitoring utilizing Intel’s Imote2 wireless sensor platform

Tomonori Nagayama, B. Spencer, Jennifer Rice

Proceedings Volume 6529, 652943 (2007) https://doi.org/10.1117/12.714629

KEYWORDS: Smart sensors, Structural health monitoring, Sensors, Receivers, Data communications, Data processing, Head, Sensor networks, Clocks, Correlation function

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Proceedings Article | 31 May 2006 Paper

Joint time-frequency domain identification of nonlinearly controlled structures

Gang Jin, Michael Sain, Billie Spencer, Khanh Pham

Proceedings Volume 6221, 622106 (2006) https://doi.org/10.1117/12.665180

KEYWORDS: Integrated modeling, Data modeling, Instrument modeling, Time-frequency analysis, Systems modeling, Performance modeling, Optimization (mathematics), Complex systems, Nonlinear control, Microfluidics

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Proceedings Article | 5 April 2006 Paper

Experimental verification of a distributed computing strategy for structural health monitoring

B. Spencer, Y. Gao

Proceedings Volume 6174, 617403 (2006) https://doi.org/10.1117/12.658904

KEYWORDS: Sensors, Structural health monitoring, Damage detection, Smart sensors, Distributed computing, Matrices, Data acquisition, Data processing, Data communications, Sensor networks

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Proceedings Article | 17 May 2005 Paper

Finite element model updating of structures using a hybrid optimization technique

Zhongdong Duan, Yang Liu, Billie Spencer

Proceedings Volume 5765, (2005) https://doi.org/10.1117/12.602009

KEYWORDS: Optimization (mathematics), Finite element methods, Data modeling, Chaos, Computer simulations, Sensors, Smart structures, Complex systems, Algorithm development, Systems modeling

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Proceedings Article | 18 August 2003 Paper

MR damping system on Dongting Lake cable-stayed bridge

Z. Q. Chen, X. Y. Wang, J. M. Ko, Y. Q. Ni, Billie Spencer, G. Yang

Proceedings Volume 5057, (2003) https://doi.org/10.1117/12.498072

KEYWORDS: Bridges, Video, Control systems, Cameras, Nickel, Wind measurement, Aerodynamics, Reliability, Smart materials, Nondestructive evaluation

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Proceedings Article | 30 July 2001 Paper

Feasibility of active control of cable-stayed bridges: an insight into Ting Kau Bridge

Yi-Qing Ni, Billie Spencer, Jan Ming Ko

Proceedings Volume 4330, (2001) https://doi.org/10.1117/12.434139

KEYWORDS: Bridges, Earthquakes, 3D modeling, Stochastic processes, Control systems, Finite element methods, Electroluminescence, Systems modeling, Motion models, Vibration control

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Proceedings Article | 22 June 2000 Paper

Coupled building control using smart damping strategies

Richard Christenson, Billie Spencer, Erik Johnson, K. Seto

Proceedings Volume 3985, (2000) https://doi.org/10.1117/12.388850

KEYWORDS: Earthquakes, Control systems, Electroluminescence, Optical filters, Wind energy, Actuators, Civil engineering, Safety, Matrices, Calcium

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Proceedings Article | 20 April 2000 Paper

Mitigating stay cable oscillation using semiactive damping

Erik Johnson, Greg Baker, Billie Spencer, Yozo Fujino

Proceedings Volume 3988, (2000) https://doi.org/10.1117/12.383142

KEYWORDS: Bridges, Control systems, Motion models, Sensors, Computing systems, Cadmium, Civil engineering, Stochastic processes, Feedback control, Vibration control

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Showing 5 of 33 publications

Proceedings Volume Editor (2)

SPIE Conference Volume | 17 March 2006

Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

SPIE Conference Volume | 17 May 2005

Smart Structures and Materials 2005: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems

Conference Committee Involvement (15)