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2014

Automated assessment of cracks on concrete surfaces using adaptive digital image processing

Liu, Y., Cho, S., Spencer, B. F. & Fan, J., Oct 1 2014, In : Smart Structures and Systems. 14, 4, p. 719-741 23 p.

Research output: Contribution to journalArticle

Image processing
Concretes
Cracks
Median filters
Inspection

A wireless smart sensor network for automated monitoring of cable tension

Sim, S. H., Li, J., Jo, H., Park, J. W., Cho, S., Spencer, B. F. & Jung, H. J., Feb 1 2014, In : Smart Materials and Structures. 23, 2, 025006.

Research output: Contribution to journalArticle

Smart sensors
cables
Sensor networks
Cables
Monitoring

Design, simulation, and large-scale testing of an innovative vibration mitigation device employing essentially nonlinear elastomeric springs

Luo, J., Wierschem, N. E., Fahnestock, L. A., Spencer, B. F., Quinn, D. D., Mcfarland, D. M., Vakakis, A. F. & Bergman, L. A., Oct 10 2014, In : Earthquake Engineering and Structural Dynamics. 43, 12, p. 1829-1851 23 p.

Research output: Contribution to journalArticle

stiffness
vibration
mitigation
Stiffness
structural response

Direct performance-based design with 200kN MR dampers using multi-objective cost effective optimization for steel MRFs

Cha, Y. J., Agrawal, A. K., Phillips, B. M. & Spencer, B. F., Jul 15 2014, In : Engineering Structures. 71, p. 60-72 13 p.

Research output: Contribution to journalArticle

Steel
Multiobjective optimization
Costs
Hazards
Damping

Experimental investigation of a rotational nonlinear energy sink for shock mitigation

Wierschem, N. E., AL-Shudeifat, M. A., Spencer, B. F., Vakakis, A. F. & Bergman, L. A., Jan 1 2014, 10th International Conference on Multibody Systems, Nonlinear Dynamics, and Control. American Society of Mechanical Engineers (ASME), (Proceedings of the ASME Design Engineering Technical Conference; vol. 6).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Experimental Investigation
Shock
Energy
Energy transfer
Experiments

Experimental testing and numerical simulation of a six-story structure incorporating two-degree-of-freedom nonlinear energy sink

Wierschem, N. E., Luo, J., Al-Shudeifat, M., Hubbard, S., Ott, R., Fahnestock, L. A., Quinn, D. D., McFarland, D. M., Spencer, B. F., Vakakis, A. F. & Bergman, L., Jun 1 2014, In : Journal of Structural Engineering (United States). 140, 6, 04014027.

Research output: Contribution to journalArticle

Stiffness
Computer simulation
Testing
Polyurethanes
Damping

Feedforward actuator controller development using the backward-difference method for real-time hybrid simulation

Phillips, B. M., Takada, S., Spencer, B. F. & Fujino, Y., Dec 1 2014, In : Smart Structures and Systems. 14, 6, p. 1081-1103 23 p.

Research output: Contribution to journalArticle

Actuators
Controllers
Poles
Feedforward control
Hydraulics

Fuzzy analytic hierarchy process synthetic evaluation models for the health monitoring of shield tunnels

Zhang, W., Sun, K., Lei, C., Zhang, Y., Li, H. & Spencer, B. F., Jan 1 2014, In : Computer-Aided Civil and Infrastructure Engineering. 29, 9, p. 676-688 13 p.

Research output: Contribution to journalArticle

Analytic hierarchy process
Tunnels
Health
Monitoring
Personnel rating

Large-scale experimental evaluation and numerical simulation of a system of nonlinear energy sinks for seismic mitigation

Luo, J., Wierschem, N. E., Hubbard, S. A., Fahnestock, L. A., Dane Quinn, D., Michael McFarland, D., Spencer, B. F., Vakakis, A. F. & Bergman, L. A., Oct 15 2014, In : Engineering Structures. 77, p. 34-48 15 p.

Research output: Contribution to journalArticle

Earthquakes
Computer simulation
Numerical models

Model-based multi-metric control of uniaxial shake tables

Phillips, B. M., Wierschem, N. E. & Spencer, B. F., Apr 25 2014, In : Earthquake Engineering and Structural Dynamics. 43, 5, p. 681-699 19 p.

Research output: Contribution to journalArticle

nonlinearity
Actuators
ground motion
Earthquakes
Feedback

Model-based tracking control framework for real-time hybrid simulation

Chen, P. C., Chang, C. M., Spencer, B. F. & Tsai, K. C., Jan 1 2014.

Research output: Contribution to conferencePaper

Feedforward control
Feedback control
Controllers
Stability criteria
Closed loop systems

Multiaxial active isolation for seismic protection of buildings

Chang, C. M., Spencer, B. F. & Shi, P., Apr 2014, In : Structural Control and Health Monitoring. 21, 4, p. 484-502 19 p.

Research output: Contribution to journalArticle

Bearings (structural)
Earthquakes
Actuators
Hydraulic actuators
Intelligent structures

Multi-metric model-based structural health monitoring

Jo, H. & Spencer, B. F., Jan 1 2014, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014. SPIE, 90611F. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9061).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

structural health monitoring
Structural health monitoring
Health Monitoring
Model-based
Metric

Numerical and hybrid analysis of a curved bridge and methods of numerical model calibration

Abdelnaby, A. E., Frankie, T. M., Elnashai, A. S., Spencer, B. F., Kuchma, D. A., Silva, P. & Chang, C. M., Jul 1 2014, In : Engineering Structures. 70, p. 234-245 12 p.

Research output: Contribution to journalArticle

Numerical models
Calibration
Bridge piers
Concrete bridges
Piers

Parametric time-domain identification of multiple-input systems using decoupled output signals

Li, J., Ruiz-Sandoval, M., Spencer, B. F. & Elnashai, A. S., Jul 25 2014, In : Earthquake Engineering and Structural Dynamics. 43, 9, p. 1307-1324 18 p.

Research output: Contribution to journalArticle

civil engineering
Identification (control systems)
MIMO systems
identification method
structural response

Performance validations of semiactive controllers on large-scale moment-resisting frame equipped with 200-kN MR damper using real-time hybrid simulations

Cha, Y. J., Agrawal, A. K., Friedman, A., Phillips, B., Ahn, R., Dong, B., Dyke, S. J., Spencer, B. F., Ricles, J. & Christenson, R., Oct 1 2014, In : Journal of Structural Engineering (United States). 140, 10, 04014066.

Research output: Contribution to journalArticle

Controllers
Steel
Force control
Energy dissipation
Earthquakes

Realization of a strongly nonlinear vibration-mitigation device using elastomeric bumpers

Luo, J., Wierschem, N. E., Fahnestock, L. A., Bergman, L. A., Spencer, B. F., Al-Shudeifat, M., McFarland, D. M., Quinn, D. D. & Vakakis, A. F., 2014, In : Journal of Engineering Mechanics. 140, 5, 04014009.

Research output: Contribution to journalArticle

Stiffness
Testing

Stochastic DLV method for steel truss structures: Simulation and experiment

An, Y., Ou, J., Li, J. & Spencer, B. F., Aug 2014, In : Smart Structures and Systems. 14, 2, p. 105-128 24 p.

Research output: Contribution to journalArticle

Steel structures
Experiments
Steel bridges
Computer simulation
Sensors

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

Li, J., Ruiz-Sandoval, M., Spencer, B. F. & Elnashai, A. S., Jan 1 2014, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014. SPIE, 90611I. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 9061).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Civil Engineering
MIMO (control systems)
system identification
Civil engineering
System Identification
2015

Adaptive model-based tracking control for real-time hybrid simulation

Chen, P. C., Chang, C. M., Spencer, B. F. & Tsai, K. C., Jun 1 2015, In : Bulletin of Earthquake Engineering. 13, 6, p. 1633-1653 21 p.

Research output: Contribution to journalArticle

hydraulic equipment
simulation
controllers
adaptive control
dampers

Adaptive position tracking control of electro-hydraulic six-degree-of-freedom driving simulator subject to perturbation

Zhao, Q., Wang, N. & Spencer, B. F., Mar 2015, In : SIMULATION. 91, 3, p. 265-275 11 p.

Research output: Contribution to journalArticle

Driving Simulator
Position Control
Degrees of freedom (mechanics)
Tracking Control
Hydraulics

A Test Method for Damage Diagnosis of Suspension Bridge Suspender Cables

An, Y., Spencer, B. F. & Ou, J., Oct 1 2015, In : Computer-Aided Civil and Infrastructure Engineering. 30, 10, p. 771-784 14 p.

Research output: Contribution to journalArticle

Bridge cables
Suspension bridges
Cables
Damage detection
Signal to noise ratio

Closed-loop structural control with real-time smart sensors

Linderman, L. E. & Spencer, B. F., Dec 2015, In : Smart Structures and Systems. 16, 6, p. 1147-1167 21 p.

Research output: Contribution to journalArticle

Smart sensors
Hardware
Processing
Sampling
Control systems

Dynamic assessment of timber railroad bridges using displacements

Moreu, F., Jo, H., Li, J., Kim, R. E., Cho, S., Kimmle, A., Scola, S., Le, H., Spencer, B. F. & LaFave, J. M., Oct 1 2015, In : Journal of Bridge Engineering. 20, 10, 4014114.

Research output: Contribution to journalArticle

Railroad bridges
Timber
Railroads
Piles
Inspection

Dynamic characteristics of novel energy dissipation systems with damped outriggers

Tan, P., Fang, C. J., Chang, C. M., Spencer, B. F. & Zhou, F. L., Sep 1 2015, In : Engineering Structures. 98, p. 128-140 13 p.

Research output: Contribution to journalArticle

Energy dissipation
Stiffness
Damping
Tall buildings
Stiffness matrix

Embedding compressive sensing-based data loss recovery algorithm into wireless smart sensors for structural health monitoring

Zou, Z., Bao, Y., Li, H., Spencer, B. F. & Ou, J., Feb 1 2015, In : IEEE Sensors Journal. 15, 2, p. 797-808 12 p., 6894120.

Research output: Contribution to journalArticle

Smart sensors
structural health monitoring
Structural health monitoring
embedding
recovery

Exact solution of free vibration of a uniform tensioned beam combined with both lateral and rotational linear sub-systems

Chen, Y., McFarland, D. M., Spencer, B. F. & Bergman, L., Apr 14 2015, In : Journal of Sound and Vibration. 341, p. 206-221 16 p.

Research output: Contribution to journalArticle

free vibration
Root loci
characteristic equations
dampers
loci

Experimental study of track nonlinear energy sinks for dynamic response reduction

Wang, J., Wierschem, N., Spencer, B. F. & Lu, X., Jul 1 2015, In : Engineering Structures. 94, p. 9-15 7 p.

Research output: Contribution to journalArticle

Dynamic response
Equations of motion
Computer simulation

Large-scale real-time hybrid simulation for evaluation of advanced damping system performance

Friedman, A., Dyke, S. J., Phillips, B., Ahn, R., Dong, B., Chae, Y., Castaneda, N., Jiang, Z., Zhang, J., Cha, Y., Ozdagli, A. I., Spencer, B. F., Ricles, J., Christenson, R., Agrawal, A. & Sause, R., Jun 1 2015, In : Journal of Structural Engineering (United States). 141, 6, 04014150.

Research output: Contribution to journalArticle

Damping
Steel
Electric current control
Civil engineering
Controllers

Low-latency data acquisition hardware for real-time wireless sensor applications

Linderman, L. E., Jo, H. & Spencer, B. F., Mar 1 2015, In : IEEE Sensors Journal. 15, 3, p. 1800-1809 10 p., 6952924.

Research output: Contribution to journalArticle

data acquisition
Data acquisition
hardware
Hardware
structural health monitoring

Multiple degrees of freedom positioning correction for hybrid simulation

Chang, C. M., Frankie, T. M., Spencer, B. F. & Kuchma, D. A., Feb 17 2015, In : Journal of Earthquake Engineering. 19, 2, p. 277-296 20 p.

Research output: Contribution to journalArticle

positioning
Elastic deformation
simulation
Monitoring
monitoring system

Multi-scale structural health monitoring technologies

Xu, Y. L. & Spencer, B. F., Jan 1 2015, In : International Conference on Advances in Experimental Structural Engineering. 2015-August

Research output: Contribution to journalConference article

Structural health monitoring
Sensors
Damage detection

Real-time fast damage detection of shear structures with random base excitation

An, Y., Spencer, B. F. & Ou, J., Jul 30 2015, In : Measurement: Journal of the International Measurement Confederation. 74, p. 92-102 11 p.

Research output: Contribution to journalArticle

Damage detection
shear
damage
excitation
Model structures

Real-time hybrid simulation of a smart base-isolated building

Asai, T., Chang, C. M. & Spencer, B. F., Mar 1 2015, In : Journal of Engineering Mechanics. 141, 3, 04014128.

Research output: Contribution to journalArticle

Bearings (structural)
Real time systems
Hybrid systems
Earthquakes
Actuators
Wireless sensor networks
Monitoring
Sensors
Gravitation

Structural health monitoring of railroad bridges using wireless smart sensors (WSSs): Recent real-world experiences in North America

Spencer, B. F., Moreu, F. & Kim, R. E., Jan 1 2015, Life-Cycle of Structural Systems: Design, Assessment, Maintenance and Management - Proceedings of the 4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014. Akiyama, M., Furuta, H. & Frangopol, D. M. (eds.). CRC Press/Balkema, p. 396-403 8 p. (Life-Cycle of Structural Systems: Design, Assessment, Maintenance and Management - Proceedings of the 4th International Symposium on Life-Cycle Civil Engineering, IALCCE 2014).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Railroad bridges
Smart sensors
Structural health monitoring
Sensors
Railroads

System identification of a historic swing truss bridge using a wireless sensor network employing orientation correction

Cho, S., Giles, R. K. & Spencer, B. F., Feb 1 2015, In : Structural Control and Health Monitoring. 22, 2, p. 255-272 18 p.

Research output: Contribution to journalArticle

Swing bridges
Wireless sensor networks
Identification (control systems)
Rivers
Domain decomposition methods

System identification of an in-service railroad bridge using wireless smart sensors

Kim, R. E., Moreu, F. & Spencer, B. F., Mar 1 2015, In : Smart Structures and Systems. 15, 3, p. 683-698 16 p.

Research output: Contribution to journalArticle

Railroad bridges
Smart sensors
Identification (control systems)
Calibration
Highway bridges

Track nonlinear energy sink for rapid response reduction in building structures

Wang, J., Wierschem, N. E., Spencer, B. F. & Lu, X., Jan 1 2015, In : Journal of Engineering Mechanics. 141, 1, 04014104.

Research output: Contribution to journalArticle

Equations of motion
Polynomials
2016

Autonomous evaluation of human annoyance rate induced by subway trains using high-sensitivity wireless smart sensors

Zhang, W., Sun, K., Ding, H., Kim, R. E. & Spencer, B. F., Jan 1 2016, Transforming the Future of Infrastructure through Smarter Information - Proceedings of the International Conference on Smart Infrastructure and Construction, ICSIC 2016. Parlikad, A. K., Schooling, J. M., Soga, K., Mair, R. J. & Jin, Y. (eds.). ICE Publishing, p. 221-226 6 p. (Transforming the Future of Infrastructure through Smarter Information - Proceedings of the International Conference on Smart Infrastructure and Construction, ICSIC 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Smart sensors
Subways
Subway stations
Structural health monitoring
Testing

Concrete Crack Assessment Using Digital Image Processing and 3D Scene Reconstruction

Liu, Y. F., Cho, S., Spencer, B. F. & Fan, J. S., Jan 1 2016, In : Journal of Computing in Civil Engineering. 30, 1, 04014124.

Research output: Contribution to journalArticle

Image processing
Concretes
Cracks
Concrete construction
Crack detection

Consequence-based management of North American railroad bridge networks enabled by wireless smart Sensors

Moreit, F., Spencer, B. F., Foutch, D. A. & Scola, S., Jan 1 2016, Transforming the Future of Infrastructure through Smarter Information - Proceedings of the International Conference on Smart Infrastructure and Construction, ICSIC 2016. Parlikad, A. K., Schooling, J. M., Soga, K., Mair, R. J. & Jin, Y. (eds.). ICE Publishing, p. 687-692 6 p. (Transforming the Future of Infrastructure through Smarter Information - Proceedings of the International Conference on Smart Infrastructure and Construction, ICSIC 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Railroad bridges
Smart sensors
Repair
Railroads
Costs
Damage detection
Strain energy
Residual stresses
Elastic moduli

Decentralized active control of multistory civil structure with wireless smart sensor nodes

Linderman, L. E. & Spencer, B. F., Oct 1 2016, In : Journal of Engineering Mechanics. 142, 10, 04016078.

Research output: Contribution to journalArticle

Smart sensors
Sensor nodes
Decentralized control
Control systems
Sampling

Development of RTOS-based wireless SHM system: Benefits in applications

Fu, Y. G., Mechitov, K. A., Hoskere, V. & Spencer, B. F., Jan 1 2016, Transforming the Future of Infrastructure through Smarter Information - Proceedings of the International Conference on Smart Infrastructure and Construction, ICSIC 2016. Parlikad, A. K., Schooling, J. M., Soga, K., Mair, R. J. & Jin, Y. (eds.). ICE Publishing, p. 149-154 6 p. (Transforming the Future of Infrastructure through Smarter Information - Proceedings of the International Conference on Smart Infrastructure and Construction, ICSIC 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Structural health monitoring
Smart sensors
Civil engineering
Sensor nodes
Computer programming languages

Dynamic behavior of stay cables with passive negative stiffness dampers

Shi, X., Zhu, S., Li, J. Y. & Spencer, B. F., Jan 1 2016, In : Smart Materials and Structures. 25, 7, 075044.

Research output: Contribution to journalArticle

dampers
guy wires
cables
stiffness
Cables

Efficient time synchronization for structural health monitoring using wireless smart sensor networks

Li, J., Mechitov, K. A., Kim, R. E. & Spencer, B. F., Mar 1 2016, In : Structural Control and Health Monitoring. 23, 3, p. 470-486 17 p.

Research output: Contribution to journalArticle

Smart sensors
Structural health monitoring
Sensor networks
Clocks
Synchronization

Embedding human annoyance rate models in wireless smart sensors for assessing the influence of subway train-induced ambient vibration

Sun, K., Zhang, W., Ding, H., Kim, R. E. & Spencer, B. F., Sep 20 2016, In : Smart Materials and Structures. 25, 10, 105023.

Research output: Contribution to journalArticle

Smart sensors
Subways
embedding
vibration
sensors
Smartphones
Wireless local area networks (WLAN)
Probability distributions
Global positioning system
Decision making