Dr. Hae-Bum Yun

Associate Professor

Room: Engr II 226
Phone: (407) 823-0176
E-mail: Hae-Bum.Yun@ucf.edu

EDUCATION

Ph. D., 2007
Civil Engineering, University of Southern California
M.S., 2002
Civil Engineering, Carnegie Mellon University
B.S., 1996
Civil Engineering, Pusan National University

RESEARCH AREAS OF SPECIALTY

  • Nonlinear system identification and stochastic analysis
  • Structural health monitoring and control
  • Smart, remote and embedded sensing techniques, such as microelectromechanical system (MEMS), web-based infrastructure monitoring systems and remote experiments
  • Non-destructive evaluation and test (NDE&T), especially using the spectroscopy techniques of nuclear magnetic resonance (NMR) and magnetic resonance image (MRI)

Dr. Yun earned a Ph.D. degree in Sonny Astani Civil and Environmental Engineering from the University of Southern California, a M.S. in Civil and Environmental Engineering from Carnegie Mellon University, and a B.S. in Civil Engineering from Pusan National University. Dr. Yun has extensive interdisciplinary research experience in the experimental, analytical, and computational aspects of structural health monitoring methodologies, and he has been involved in many projects funded by NSF, NASA, AFOSR, FEMA, Caltrans and international governments. Dr. Yun’s primary research interests include:

  • Sustainability and resilience for urban infrastructure
  • Modeling for stochastic, nonlinear, dynamic systems
  • System identification, structural health monitoring and control
  • Smart sensing and non-destructive evaluation techniques

PEER-REVIEWED JOURNAL PUBLICATIONS

  1. Yun, H.-B., Masri, S. F. and Lee, J.-S. (2009) “Evaluation and Application of Data-Driven Identification Techniques for Monitoring Geotechnical Structures,” Journal of Structure and Infrastructure Engineering (to be submitted)
  2. Kallinikidou, E., Yun, H.-B., Masri, S. F., Caffrey, J. P., and Sheng, L.-H. (2009) “Application of orthogonal decomposition approaches to long-term monitoring of infrastructure systems,” ASCE Journal of Engineering Mechanics (submitted)
  3. Yun, H.-B., Masri, S. F., Wolfe, R., Tasbihgoo, F., and Benzoni, G. (2008) “Data-driven methodologies for change detection in large-scale nonlinear dampers with noisy measurements,” Journal of Sound and Vibration. 322, pp. 336-357, DOI: 10.1016/j.jsv.2008.11.022.
  4. Yun, H.-B. and Masri, S. F. (2008) “Stochastic change detection in uncertain nonlinear systems using reduced-order models: classification,” Journal of Smart Materials and Structures. 18 015040 (12 pp.), DOI:10.1088/0964-1726/18/1/015004.
  5. Yun, H.-B. and Masri, S. F. (2008) “Stochastic change detection in uncertain nonlinear systems using reduced-order models: system Identification,” Journal of Smart Materials and Structures. 17 015040 (13 pp.), DOI:10.1088/0964-1726/01/015040.
  6. Wolfe, R. W., Yun, H.-B., Masri, S. F., Tasbihgoo, F., and Benzoni, G. (2008) “Fidelity of reducedorder models for large-scale nonlinear orifice viscous dampers,” Structural Control and Health Monitoring. DOI: 10.1002/stc.256.
  7. Yun, H.-B., Tasbihgoo, F., Masri, S. F., Caffrey, J., Wolfe, R., Makris, M. and Black, C. (2008) “Comparison of modeling approaches for full-scale nonlinear viscous dampers,” Journal of Vibration and Control. 14(1) pp. 51-76. DOI: 10.1177/1077546307079396.
  8. Tasbihgoo, F., Wolfe, R. W., Masri, S. F., Caffrey, J. and Yun, H.-B. (2008) “On-line monitoring of nonlinear viscous dampers,” Journal of Structural Control (submitted).
  9. Yun, H.-B., Nayeri, R., Tasbihgoo, F., Wahbeh, M., Caffrey, J., Wolfe, R., Nigbor, R., Masri, S. F., Abdel-Ghaffar, A. and Sheng, L.-H., (2007) “Monitoring the collision of a cargo ship with the Vincent Thomas Bridge,” Structural Control and Health Monitoring. DOI:10.1002/stc.213.
  10. Yun, H.-B., Patton, M., Garrett, J. Jr., Fedder, G., Frederic K., Hsu, J., Lowe, I., Oppenheim, I. and Sides, P. (2004) “Detection of free chloride in concrete by NMR,” Cement and Concrete Research, 34 (3) pp. 379-390.
  11. Lee, H., Yun, H.-B., and Maclean, B. (2002) “Development and field testing of a prototype Hybrid Uniaxial Strain Transducer,” Elsevier NDT&E International, Elsevier, 35(2) pp. 125-134.
  12. Yun, H.-B., Lee, H. and Maclean, B. (2001) “Development of field testing of a prototype Hybrid Uniaxial Strain Transducer,” Transportation Research Record, 1742, pp. 78-86.

BOOK CHAPTERS

  1. Yun, H.-B., Nayeri, R. D., Wolfe, R. W., Masri, S. F., Wahbeh, M., Tasbihgoo, F., Caffrey, J. P. and Sehng, L.-H. (2007) “Use of structural health monitoring techniques for forensic study of bridge accidents,” Innovations in Bridge Engineering Technology, Ed. Mahmound, K. M., London, UK., pp. 179-185.

SELECTED PROCEEDINGS & PRESENTATIONS

  1. Yun, H.-B., Masri, S. F., Nayeri, R. D., Kallinikidou, E., Wahbeh, M., Wolfe, R. W. and Sheng, L.-H. (2008) “Long-term monitoring of stochastic characteristics of a full-scale suspension bridge,” 4th International Conference on Bridge Maintenance, Safety and Management (IABMAS’08), 13-17 July 2008, Seoul, Korea (accepted).
  2. Yun, H.-B., Masri, S. F. and Caffrey, J. P. (2008) “Stochastic change detection in uncertain nonlinear systems using data-driven system identification methods,” IMAC-XXVI: Conference & Exposition on Structural Dynamics, 4-7 February 2008, Orlando, FL.
  3. Yun, H.-B. (2007). “Analytical and experimental studies of modeling and monitoring uncertain nonlinear systems,” Invited speaker, Department of Civil and Environmental Engineering, University of Connecticut, Storr, CT.
  4. Yun, H.-B., Nayeri, R. D., Wolfe, R. W., Masri, S. F., Wahbeh, M., Tasbihgoo, F., Caffrey, J. P. and Sheng, L.-H. (2007) “Use of structural health monitoring techniques for a forensic study of bridge accidents,” 2007 New York City Bridge Conference, 27-28 August 2007, New York City, NY.
  5. Yun, H.-B., Nayeri, R. D., Masri, S. F., Tasbihgoo, F., Wahbeh, M. and Wolfe, R. W. (2007) “A forensic study of the collision of a cargo ship with the Vincent Thomas Bridge,” World Forum on Smart Materials and Smart Structures Technology, 22-27 May 2007, Chongqing and Nanjing, China.
  6. Yun, H.-B., Masri, S. F., Tasbihgoo, F. and Wolfe, R. W. (2007) “Some data-driven modeling approaches for detecting changes in nonlinear dampers,” SPIE Smart Structures and Materials/NDE, 18-22 March 2007, San Diego, CA.
  7. Yun, H.-B., Tasbihgoo, F., Masri, S. F., Caffrey, J. P., and Wolfe, R. W. (2006) “Parametric and nonparametric identification approaches for full-scale nonlinear viscous damper,” MOVIC 2006, 27-30 August 2006, Daejeon, Korea.
  8. Yun, H.-B., Masri, S. F., Tasbihgoo, F. and Caffrey, J. P. (2006) “Statistical nonparametric system identification of nonlinear viscous dampers using the Bootstrap method,” 4WCSCM Proceedings, 11-13 July 2006, San Diego, CA.
  9. Tasbihgoo, F., Masri, S. F., Yun, H.-B. and Caffrey, J. P. (2006) “On-line monitoring of large-scale nonlinear viscous dampers,” 4WCSCM Proceedings, 11-13 July 2006, San Diego, CA
  10. Tasbihgoo, F., Yun, H.-B., Masri, S. F., Wolfe, R. W. and Caffrey, J. P. (2006) “Some issues in modeling nonlinear viscous dampers for monitoring and identification,” 15th U.S. National Congress on Theoretical and Applied Mechanics, 25-30 June 2006, Boulder, CO.
  11. Wahbeh, M., Tasbihgoo, F., Yun, H.-B., Masri, S. F., Caffrey, J. P. (2002) “Real-time earthquake monitoring of large-scale bridge structures,” Proceedings of the 5th International Workshop on Structural Health Monitoring, 12-14 September 2005, Stanford, CA.
  12. Garrett, J. H., Fedder, G., Frederick, K. M., Hsu, J. J., Lowe, I. J., Patton, M. E., Sides, P. and Yun, H.-B.(2005) “Developments in chlorine detection in concrete using NMR,” SPIE Smart Structures Conference SS05: Systems for Bridges, Structures, and Highways, pp. 310-321, 17-21 March 2005, San Diego, CA.
  13. Yun, H.-B. and Lee, H. (1999) “Optimal mix design of polymer concrete,” Transportation Research Board (TRB), January 1999, Washington D.C.

EXPERIENCE

  1. Assistant Professor (2010 – Present)
    Department of Civil, Environmental and Construction Engineering
    University of Central Florida
    Structural dynamics division
  2. Co-Founder and Senior Technical Director (2008 – Present)
    Institute of Structural Health Monitoring and Control (ISHM&C), Korea
    The ISHC&C is a research institute and non-profit corporation on structural health monitoring and control in Korea. Serving as the senior technical director and a member of the board of directors
  3. Postdoctoral Research Associate (2007 – Present)
    Department of Civil and Environmental Engineering, University of Southern CaliforniaDeveloping and managing various research projects on system identification, structural health monitoring and control for complex stochastic nonlinear structures in the fields of aerospace, mechanical and civil engineering
  4. SMS Journal Reviewer, (2007 – Present)
    Journal of Smart Materials and Structures
    Serving as a reviewer of the IOP Journal of Smart Materials and Structures (SMS)
  5. Research Assistant (2003-2007)
    Advisory faculty: Professor Sami F. Masri
    Department of Civil and Environmental Engineering, University of Southern CaliforniaPerformed experimental and analytical studies of the system identification and structural health monitoring of a wide range of stochastic nonlinear systems, including full-scale nonlinear viscous dampers and magneto-rheological (MR) dampers. Partially funded by California Department of Transportation (Caltrans)Developed a web-based, real-time bridge monitoring system for the Vincent Thomas Bridge, one of major suspension bridges in California. The developed monitoring system has been used to understand the bridge response and condition under daily ambient excitation and special excitation occasions, such as earthquake and bridge-ship collision. Partially funded by the U.S. National Science Foundation (NSF), the Air Force Office of Scientific Research (AFOSR) and the National Aeronautics and Space Administration (NASA)
  6. Research Assistant (2000-2002)
    Advisory faculty: Professor James H. Garrett, Jr.
    Department of Civil and Environmental Engineering, Carnegie Mellon UniversityPerformed experimental studies of the nuclear magnetic resonance (NMR) and magnetic resonance image (MRI) spectroscopy techniques to understand chloride intrusion in concrete. This study was originally motivated to develop MEMS-based NMR-on-chip” sensors for in-situ monitoring of chloride attack in cured concrete. Funded by the U.S. National Science Foundation (NSF)
  7. Teaching Assistant, (2001)
    Department of Civil and Environmental Engineering, Carnegie Mellon University
    Graduate course of Computer Aided Engineering Tools for Civil Engineering (12-740)

 

Honors & Awards

  1. Principal Investigator, (2007-Present)Awarded five-year research grant by Korea Infrastructure Safety and Technology Corporation (KISTEC), a government agency in Korea, to develop nationwide, internet-based safety management networks for various types of civil structures.
  2. Outstanding Research Assistant, (2007)Awarded in the recognition of outstanding performance as research assistant by Sonny Astani Department of Civil and Environmental Engineering, University of Southern California.
  3. Bridge Monitoring System Inventor, (2005)Developed web-based, real-time, continuous bridge monitoring system for the Vincent Thomas Bridge, a large scale suspension bridge in the region of Los Angeles, CA. University of Southern California disclosure file.

Professional Services

  • Instrumentation Engineer (Internship), (2000)
    Daimler-Chrysler Rail System, Pittsburgh, PA
    Developed a data acquisition system using LabVIEW® for the wireless control system of auto-cruised people movers.