Articles | Advanced Infrastructure Systems

1. Seungbum Kim, Hoon Sohn, “Instantaneous Reference-Free Crack Detection based on Polarization Characteristics of Piezoelectric Materials,” TBD, 2006.

2. Hoon Sohn, Seungdea Kim, Kent Harries, “Reference-Free Damage Classification Based on Cluster Analysis,” submitted to Computer Aided Civil and Infrastructure Engineering, 2006.

3. Hyun Woo Park, Seung Bum Kim, Hoon Sohn, “Understanding a Time Reversal Process in Lamb Wave Propagations,” in preparation for Structural Control and Structural Health Monitoring, 2006.

4. Sangjun Lee and Hoon Sohn, “Active Self-Sensing Scheme Development for Structural Health Monitoring,” submitted to Smart Materials and Structures, 2006.

5. David Greve, Hoon Sohn, Patrick Yue, Irving J. Oppenheim, “An Inductively-Coupled Lamb Wave Transducer,” IEEE Sensors Journal, 2006 (in press).

6. Seung Dae Kim, Chi Won In, Kelly E. Cronin, Hoon Sohn, Kent Harries, “A Reference-Free NDT Technique for Debonding Detection in CFRP Strengthened RC Structures,” ASCE, Journal of Structural Engineering, 2006 (accepted).

7. Hoon Sohn, “Effects of Environmental and Operational Variability on Structural Health Monitoring,” a Special Issue of Philosophical Transactions of the Royal Society on Structural Health Monitoring, 2006 (In press: Invited Paper).

8. Hoon Sohn, Hyun Woo Park, Kincho H. Law, Charles R. Farrar, “Damage Detection in Composite Plates by Using an Enhanced Time Reversal Method,” submitted to ASCE, Journal of Aerospace Engineering, 2005.

9. Hoon Sohn, Hyun Woo Park, Kincho H. Law, Charles R. Farrar, “Combination of a Time Reversal Process and a Consecutive Outlier Analysis for Baseline-free Damage Diagnosis,” Journal of Intelligent Material Systems and Structures, 2006 (in press).

10. Hyun Woo Park, Hoon Sohn, “Parameter Estimation of the Generalized Extreme Value Distribution for Structural Health Monitoring,” Journal of Probabilistic Engineering Mechanics, 2005 (In press).

11. Hyun Woo Park, Hoon Sohn, Kincho H. Law, Charles R. Farrar, “Time Reversal Active Sensing for Health Monitoring of a Composite Plate,” Journal of Sound and Vibration, 2006 (in press).

12. Charles R. Farrar, Gyuhae Park, Francois M. Hemez, Trevor B. Tippetts, Hoon Sohn, Jeannette R. Wait, David W. Allen, Brett R. Nadler, “Damage Detection and Prediction for Composite Plates,” submitted to the Member Journal of the Minerals, Metals & Materials Society, 2005.

13. Gyuhae Park, Amanda L. Cundy, Hoon Sohn, Charles R. Farrar, “An Outlier Analysis Framework for Impedance-Based Structural Health Monitoring,” Journal of Sound and Vibration, Vol. 286, No. 1, 229-250, 2005.

14. Hoon Sohn, David W. Allen, Keith Worden, Charles R. Farrar, “Structural Damage Classification Using Extreme Value Statistics,” ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 127, No. 1, pp. 125-132, 2005.

15. Timothy R. Fasel, Hoon Sohn, Gyuhae Park, Charles R. Farrar, “Active Sensing Using Impedance-Based ARX Model and Extreme Value Statistics for Damage Detection,” Earthquake Engineering and Structural Dynamics, Vol. 34, No. 7, pp. 763-785, 2005.

16. Garnett E. Simmers Jr., Jeffrey Hodgkins, David Mascarenas, Gyuhae Park, Hoon Sohn, “Improved Piezoelectric Self-Sensing Actuation,” Journal of Intelligent Materials Systems and Structures, Vol. 15, No. 12, pp. 941-953, 2004.

17. Charles R. Farrar, Francois M. Hemez, Gyuhae Park, Amy N. Robertson, Hoon Sohn, Todd Williams, “Developing Impact and Fatigue Damage Prognosis Solutions for Composites,” Journal of Minerals, Metals & Materials Society, Vol. 56, No. 3, pp. 40-42, March, 2004.

18. Jerome P. Lynch, Kincho H. Law, Anne S. Kiremidjian, Ed Carryer, Charles R. Farrar, Hoon Sohn, David W. Allen, Brett R. Nadler, Jeannette R. Wait, “Design and Performance Validation of a Wireless Sensing Unit for Structural Monitoring Applications,” An International Journal of Structural Engineering and Mechanics, Vol. 17, No. 3-4, pp. 393-408, 2004.

19. Hoon Sohn, Amy N. Robertson, Charles R. Farrar, “Holder Exponent Analysis for Discontinuity Detection,” An International Journal of Structural Engineering and Mechanics, Vol. 17, No. 3-4, pp. 409-428, 2004.

20. Hoon Sohn, Gyuhae Park, Jeannette R. Wait, Nathan P. Limback, Charles R. Farrar, “Wavelet-Based Active Sensing for Delamination Detection in Composite Structures,” Smart Materials and Structures, Vol. 13, No. 1, pp. 153-160, 2003.

21. Hoon Sohn, “Active Sensing based Structural Health Monitoring for Flaw Detection in Composite Structures,” Korean Society of Civil Engineers, Journal of Civil Engineering, Vol. 7, No. 6, pp. 637-646, 2003.

22. Gyuhae Park, Hoon Sohn, Charles R. Farrar, Daniel J. Inman, “Overview of Piezoelectric Impedance-Based Health Monitoring and Path Forward,” Shock and Vibration Digest, Vol. 35, No. 6, pp. 451-463, 2003.

23. Neal A. Tanner, Jeannette R. Wait, Charles R. Farrar, Hoon Sohn, “Structural Health Monitoring Using Wireless Sensing Systems with Embedded Processing,” Journal of Intelligent Materials Systems and Structures, Vol. 14, No. 1, pp. 43-56, 2003.

24. Amy N. Robertson, Charles R. Farrar, Hoon Sohn, “Singularity Detection for Structural Health Monitoring Using Holder Exponents,” Mechanical Systems and Signal Processing, Vol. 17, No. 6, pp. 1163-1184, 2003.

25. Hoon Sohn, David W. Allen, Keith Worden, Charles R. Farrar, “Statistical Damage Classification Using Sequential Probability Ratio Tests,” An International Journal of Structural Health Monitoring, Vol. 2, No. 1, pp. 57-74, 2003.

26. Hoon Sohn, Keith Worden, Charles R. Farrar, “Statistical Damage Classification Under Changing Environmental and Operational Conditions,” Journal of Intelligent Materials Systems and Structures, Vol. 13, No. 9, pp. 561-574, 2003.

27. Keith Worden, Hoon Sohn, Charles R. Farrar, “Novelty Detection in a Changing Environment: Regression and Interpolation Approaches,” Journal of Sound and Vibration, Vol. 258, No. 4, pp. 741-761, 2002.

28. John F. Schultze, François M. Hemez, Scott W. Doebling, Hoon Sohn, “Application of Non-linear System Model Updating Using Feature Extraction and Parameter Effects Analysis,” Shock and Vibration, Vol. 8, pp. 325-337, 2001.

29. Hoon Sohn, Charles R. Farrar, Norman F. Hunter, Keith Worden, “Structural Health Monitoring Using Statistical Pattern Recognition Techniques,” ASME Journal of Dynamic Systems, Measurement and Control: Special Issue on Identification of Mechanical Systems, Vol. 123, No. 4, pp. 706-711, 2001.

30. Hoon Sohn, Charles R. Farrar, “Damage Diagnosis Using Time Series Analysis of Vibration Signals,” Smart Materials and Structures, Vol. 10, pp. 446-451, 2001.

31. Michael L. Fugate, Hoon Sohn, Charles R. Farrar, “Vibration-Based Damage Detection Using Statistical Process Control,” Mechanical Systems and Signal Processing, Vol. 15, No. 4, pp. 707-721, 2001.

32. Hoon Sohn, Kincho H. Law, “Damage Diagnosis Using Experimental Ritz Vectors,” ASCE Journal of Engineering Mechanics, Vol. 127, No. 11, pp. 1184-1193, 2001.

33. Hoon Sohn, Kincho H. Law, “Extraction of Ritz Vectors from Vibration Test Data,” Mechanical Systems and Signal Processing, Vol. 15, No. 1, pp. 213-226, 2001.

34. Hoon Sohn, Jerry J. Czarnecki, Charles R. Farrar, “Structural Health Monitoring Using Statistical Process Control,” ASCE Journal of Structural Engineering, Vol. 126, No. 11, pp. 1356-1363, 2000.

35. Hoon Sohn, Kincho H. Law, “Application of Load-dependent Ritz Vectors to Bayesian Probabilistic Damage Detection,” Probabilistic Engineering Mechanics, Vol. 15, No. 2, pp. 139-153, 2000.

36. Hoon Sohn, Kincho H. Law, “Bayesian Probabilistic Damage Detection of a Reinforced Concrete Bridge Column,” Earthquake Engineering and Structural Dynamics, Vol. 29, No. 8, pp. 1131-1152, 2000.

37. Hoon Sohn, Mark Dzwonczyk, Erik G. Straser, Anne S. Kiremidjian, Kincho H. Law, Teresa Meng, “An Experimental Study of Temperature Effects on Modal Parameters of the Alamosa Canyon Bridge,” Earthquake Engineering and Structural Dynamics, Vol. 28, No. 8, pp. 879-897,1999.

38. Phillip J. Cornwell, Charles R. Farrar, Scott W. Doebling, Hoon Sohn, “Environmental Variability of Modal Properties,” Experimental Techniques, Vol. 23, No.6, pp. 45-48, 1999.

39. Hoon Sohn, Kincho H. Law, “A Bayesian Probabilistic Approach for Structure Damage Detection,” Earthquake Engineering and Structure Dynamics, Vol. 26, No. 12, pp. 1259-1281, 1997.

40. Hokyoung Kim, Seung Pil Change, Hoon Sohn, Jung Il Park, “Aerodynamic Analysis of a Cable-Stayed Bridge During Construction,” Korean Society of Civil Engineers, Journal of Civil Engineering, Vol. 1, No. 4, pp. 375-378, 1994.

BOOK & BOOK CHAPTER

1. Hoon Sohn, “Guided Wave Based Nondestructive Testing,” a book chapter of Ultrasonic and Advanced Methods for Nondestructive Testing and Material Characterization (Prof. C.H. Chen, Editor), will be published by the World Scientific Publishing Cp, to appear 2007.

2. Charles R. Farrar, Hoon Sohn, Structural Health Monitoring: A Statistical Pattern Recognition Approach will be published by John Wiley & Sons, Ltd, to appear 2007.

3. Hoon Sohn, “Statistical Pattern Recognition Paradigm Applied to Defect Detection in Composite Plates,” a book chapter of Damage Prognosis for Aerospace, Civil and Mechanical System (Prof. Daniel J. Inman et al., Editors), John Wiley & Sons, Ltd, 2005.

CONFERENCE PROCEEDINGS

1. Hoon Sohn and Seungbum Kim, “Instantaneous Reference-Free Crack Detection based on the Polarization Characteristics of Piezoelectric Materials,” the 10^th International Conference on Applications of Statistics and Probabilities in Civil Engineering, Tokyo, Japan, July 31- August 3, 2007.

2. Seung Dae Kim, Chi Won In, Kelly E. Cronin, Hoon Sohn, Kent Harries, "Debonding Detection in CFRP Strengthensed RC Beams using Active Sensors,“ Proceedings of Third International Conference on FRP Composites in Civil Engineering, Miami, Florida, December 13-15, 2006.

3. Hoon Sohn “Contactless Power and Data Transmission for Active Sensing Devices,” US-Korea Workshop on Smart Structures Technology for Steel Structures, Seoul, Korea, November 16-17, 2006.

4. Sangjun Lee, Hoon Sohn, “Self-Sensing Scheme Development for Differentiating Sensor Defect from Structural Damage,” ASME International Mechanical Engineering Congress and Exposition, Illinois, Chicago, November 5-10, 2006.

5. Hoon Sohn, David W. Greve, Irving J. Oppenheim, Anand K. Boscha, “Non-Contact Generation and Reception of Guided Waves using Near-Field Inductive Coupling,” the 4th China-Japan-US Symposium on Structural Control and Monitoring, Hangzhou, China, October 16-17, 2006.

6. Hoon Sohn, Seung Dae Kim, Chi Won In, Kelly E. Cronin and Kent Harries, “ Debonding Monitoring of CFRP Strengthened RC Beams without Reference Data nor Prior Decision Boundaries,” the 4^th International Conference on Earthquake Engineering, Taipei, Taiwan, October 12-13, 2006.

7. Sangjun Lee, Hoon Sohn, “Active Self-Sensing Scheme Development for Structural Health Monitoring,” the 8^th International Conference on Motion and Vibration Control, Daejeon, Korea, August 27-30, 2006.

8. Hoon Sohn, “Instantaneous Damage Diagnosis without neither Baseline Data or Prior Decision Boundaries,” Integrated Systems Health Management Conference, Air Force Research Laboratory, Cincinnati, OH, August 14-17, 2006.

9. Hyun Woo Park, Hoon Sohn, and Hae Sung Lee, “Statistical damage detection of structures by using system identification with 1-norm based regularization,” will be presented at the Third International Conference on Bridge Maintenance, Safety and Management, July 16-19, 2006, Porto-Portugal

10. David Greve, Irving Oppenheim, Hoon Sohn, Patrick Yue, Anand K. Boscha, "Active Sensing with an Inductively Coupled Wireless Lamb Wave Transducer", The 4th World Conference on Structural Control and Monitoring, San Diego, CA, July 11-13, 2006.

11. Sang Jun Lee, Hoon Sohn, "Active Self-sensing Module for Sensor Diagnosis and Structural Health Monitoring", Proceedings of Third European Workshop on Structural Health Monitoring, Granada, Spain, July 5-7, 2006.

12. David Greve, Irving Oppenheim, Hoon Sohn, Patrick Yue, "Structural Health Monitoring with an Inductively Coupled (Wireless) Lamb Wave Transducer", Proceedings of the Third European Workshop on Structural Health Monitoring, Granada, Spain, July 5-7, 2006..

13. Seung Dae Kim, Chi Won In, Kelly E. Cronin, Hoon Sohn, Kent Harries, “Active Sensing for Disbond Detection in CFRP Strengthened RC Beams,” Proceedings of the Third European Workshop on Structural Health Monitoring, Granada, Spain, July 5-7, 2006.

14. David W. Greve, Irving J. Oppenheim, Hoon Sohn, C. Patrick Yue “An Inductively Coupled (wireless) Lamb Wave Transducer,” The 3rd International Workshop on Advanced Smart Materials and Smart Structures Technology, Lake Tahoe, CA, May 29-30, 2006

15. Hoon Sohn, Seung Dae Kim, Chi Won In, Kelly E. Cronin, Kent Harries, “Application of Time Reversal Guided Waves to Debond Detection in CFRP Strengthened RC Beams”, International Symposium on Mechanical Waves in Solids, Zhejiang University, Hangzhou, Zhejiang, China, May 15-18, 2006 (Invited Paper).

16. Jieun Jang, Frank Liu, Patrick Yue, Hoon Sohn, “Development of Self-Contained Sensor Skin for Highway Bridge Monitoring,” SPIE International Symposia, Smart Structures & Materials and Nondestructive Evaluation for Health Monitoring and Diagnostics, San Diego, CA, February 26- March 2, 2006.

17. Hoon Sohn, Hyunwoo Park, Seungbum Kim, “Application of Outlier Analysis for Baseline-Free Damage Diagnosis,” SPIE International Symposia, Smart Structures & Materials and Nondestructive Evaluation for Health Monitoring and Diagnostics, San Diego, CA, February 26- March 2, 2006.

18. Seungbum Kim, Hoon Sohn, “Application of Time Reversal Guided Waves to Field Bridge Testing for Baseline Free Damage Diagnosis,” SPIE International Symposia, Smart Structures & Materials and Nondestructive Evaluation for Health Monitoring and Diagnostics, San Diego, CA, February 26- March 2, 2006.

19. Seung Dae Kim, Chi Won In, Kelly E. Cronin, Hoon Sohn, Kent Harries, “Active Sensing for Disbond Detection in FRP Strengthened RC Beams,” The 24^th International Modal Analysis Conference, St Louis, Missouri, January 30 - February 2, 2006.

20. Hyun Woo Park, Seung Bum Kim, Hoon Sohn, “Understanding the Reciprocity of Lamb Waves induced by Active Sensors,” Proceedings of KSIAM Annual meeting, South Korea, Nov. 25-26, 2005.

21. Hoon Sohn, Sangjun Lee, Seungbum Kim, “Active Sensing for Multi-Scale Sensor and Structural Diagnosis”, the Second International Conference on Structural Health Monitoring of Intelligent Infrastructure, Shenzhen, China, November 16-18, 2005.

22. Hyun Woo Park, Seung Bum Kim, Hoon Sohn, “Time Reversal Active Sensing for Structural Health Monitoring,” Presented at the Conference of Korea Institute for Structural Maintenance Inspection, Oct 28-29, 2005

23. Seungbum Kim, Hoon Sohn, David Greve, Irving Oppenheim, “Application of a Time Reversal Process for Baseline-Free Monitoring of a Bridge Steel Girder,” International Workshop on Structural Health Monitoring, Stanford, CA, September 15-17, 2005.

24. Charles R. Farrar, Gyuhae Park, Jeannette R. Wait, David W. Allen, Hoon Sohn, “Damage Prognosis Solution, Part1: Overview,” the 6th European Conference on Structural Dynamics (Eurodyn 2005), Paris, Frances, September 4-7 2005.

25. Hoon Sohn, Seung Bum Kim, Hyun Woo Park, “Searching for a Reference-Free Damage Detection Technique,“ The Second International Workshop on Advanced Smart Materials and Smart Structures Technology, Gyeong-ju, Korea, July 21-24, 2005.

26. Hyun Woo Park, Hoon Sohn, "Parameter Estimation of the Generalized Extreme Value Distribution using Quadratic Programming," presented at the Korea Society for Industrial and Applied Mathematics Spring Conference, Seoul National University, Seoul Korea, May 20-21, 2005.

27. Hyun Woo Park and Hoon Sohn, “Parameter Estimation of the Generalized Extreme Value Distribution for Structural Health Monitoring,” Proceedings of ASCE Structures Congress, New York, NY, April 20-24, 2005.

28. Charles R. Farrar, Hoon Sohn, Gyuhae Park, David Allen, Steven Ball, Michael P. Masquelier, “Coupling Sensing Hardware with Data Interrogation Software for Structural Health Monitoring,” Proceedings of 11^th International Symposium on dynamic Problems of Mechanics, Ouro Preto, Brazil, March 2005. (Invited Paper, Keynote Lecture)

29. Hoon Sohn and Hyunwoo Park, “Can Damage Be Detected Without Any Baseline Data?,” SPIE's Smart Structures/NDE Conference, San Diego, CA, March 6-10, 2005.

30. Tim R. Fasel, Michael D. Todd, Gyuhae Park, Hoon Sohn, Charles R. Farrar, “Piezoelectric Active Sensing Using Chaotic Excitations and State Space Reconstruction,” SPIE's Smart Structures/NDE Conference, San Diego, CA, March 6-10, 2005.

31. Hoon Sohn, Hyunwoo Park, Kincho H. Law, Charles R. Farrar, “Instantaneous Online Monitoring of Unmanned Aerial Vehicles without Baseline Signals,” Proceedings of the 23rd International Modal Analysis Conference, Orlando, FL, January 31- February 3, 2005.

32. Keith Worden, Graeme Manson, Hoon Sohn, Charles R. Farrar, “Extreme Value Statistics from Differential Evaluation for Damage Detection,” Proceedings of the 23rd International Modal Analysis Conference, Orlando, FL, January 31- February 3, 2005.

33. Howard Matt, Alessandro Marzani, Joseph Oliver, Francesco Lanza di Scalea, John Kosmatka, Hoon Sohn, Gyuhae Park, Charles R. Farrar, “A Guide-wave Monitoring System for the Wing Skin-to-Spar Bond in Unmanned Aerial Vehicles,” Proceedings of the 23rd International Modal Analysis Conference, Orlando, FL, January 31- February 3, 2005.

34. Vivek R. Dave, Daniel A. Hartman, Charles R. Farrar., Matthew Bement, Mark J. Cola, Hoon Sohn, Gyuhae Park, Brian J. Reardon, “Predictive Process Dynamics: Re-Inventing Manufacturing for Critical Defense Applications,” Defense Manufacturing Conference, Las Vegas, NV, November 29 – December 2, 2004.

35. Hoon Sohn, Hyunwoo Park, Kincho H. Law, Charles R. Farrar, “Instantaneous Damage Detection using Time Reversal Process,” the 15th International Conference on Adaptive Structures and Technologies, Bar Harbor, Maine, 25-27 October, 2004.

36. Charles R. Farrar, Jeannette R. Wait, Trevor B. Tippetts, Francois, M. Hemez, Gyuhae Park, G., Hoon Sohn, “Damage Detection and Prediction for Composite Plates,” Proceedings of Symposium on Materials Damage Prognosis, Materials Science & Technology 2004, New Orleans, LA, September 26-29 2004.

37. Hyunwoo Park Hoon Sohn, Kincho H. Law, “Damage Detection in Composite Plates by Using Time Reversal Active Sensing,” the 3rd International Conference on Advances in Structural Engineering and Mechanics, Seoul, Korea, September 2-4, 2004.

38. Hoon Sohn, Hyunwoo Park, Kincho H. Law, Charles R. Farrar, “Minimizing Misclassification of Damage using Extreme Values Statistics,” the US-Korea Workshop on Smart Structure Technologies, Seoul, Korea, September 2-4, 2004.

39. Charles R. Farrar, Hoon Sohn, Gyuhae Park, “A Statistical Pattern Recognition Paradigm for Structural Health Monitoring,” the 9th ASCE Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability, Albuquerque, NM, July 26-28, 2004.

40. Charles R. Farrar, Hoon Sohn, Amy N. Robertson, “Applications of Nonlinear System Identification to Structural Health Monitoring,” the 2nd European Workshop on Structural Health Monitoring, Munich, Germany, July 7-9, 2004.

41. Hoon Sohn, Jeannette R. Wait, Gyuhae Park, Charles R. Farrar, “Multi-Scale Structural Health Monitoring for Composite Structures,” the 2nd European Workshop on Structural Health Monitoring, Munich, Germany, July 7-9, 2004.

42. Charles R. Farrar, Hoon Sohn, Gyuhae Park , “Converting Large Sensor Array Data into Structural Health Monitoring Information, Proceedings of the 4^th International Workshop on Structural Control, New York, NY, June 10-11, 2004. (Invited Paper)

43. Jeannette R. Wait, Gyuhae Park, Hoon Sohn, Charles R. Farrar, “An Integrated Active Sensing System for Damage Identification and Prognosis,” the 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Material Conference, Palm Springs, CA, April 19-22, 2004.

44. Amanda C. Rutherford, Gyuhae Park, Hoon Sohn, Charles R. Farrar, “Structural Health Monitoring Using Macro-fiber Composites and Impedance Methods,” the 45th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Material Conference, Palm Springs, CA, April 19-22, 2004.

45. Jeannette R. Wait, Gyuhae Park, Hoon Sohn, Charles R. Farrar, “Plate Damage Identifications Using Wave Propagation and Impedance Methods,” the 11th SPIE Conference on Smart Structures and Materials, San Diego, CA, March 14-18, 2004.

46. Timothy R. Fasel, Michael D. Todd, Hoon Sohn, Gyuhae Park, Charles R. Farrar, “Piezoelectric Active Sensing Using Chaotic Excitations,” Proceedings of 11^th SPIE Conference on Smart Structures and Materials, San Diego, CA March 14-18, 2004.

47. Nathan P. Limback, Jeannette R. Wait, Gyuhae Park, Hoon Sohn, Charles R. Farrar, “Monitoring of Welded Joints Using Piezoelectric Active-sensing Techniques,” the 11th SPIE Conference on Smart Structures and Materials, San Diego, CA, March 14-18, 2004.

48. Amanda C. Rutherford, Gyuhae Park, Hoon Sohn, Charles R. Farrar, “Nonlinear Feature Identification of Impedance-based Structural Health Monitoring,” the 11th SPIE Conference on Smart Structures and Materials, San Diego, CA, March 14-18, 2004.

49. Gyuhae Park, Hoon Sohn, Amanda C. Rutherford, Charles R. Farrar, “Self-sensing Piezoelectric Actuators for Structural Damage Identification,” the 11th SPIE Conference on Smart Structures and Materials, San Diego, CA, March 14-18, 2004.

50. Hoon Sohn, Gordon Thompson, Amy N. Robertson, Gyuhae Park, Charles R. Farrar, “Online Damage Detection for Theme Park Rides,” the 22nd International Modal Analysis Conference, Dearborn, MI, January 26-29, 2004.

51. Jerome P. Lynch, Arvind Sundararajan, Kincho H. Law, Hoon Sohn, Charles R. Farrar, “Piezoelectric Structural Excitation using a Wireless Active Sensing Unit,” the 22nd International Modal Analysis Conference, Dearborn, MI, January 26-29, 2004.

52. Amy N. Robertson, Hoon Sohn, Charles R. Farrar, “Damage Detection Using Wavelet Transforms for Theme Park Rides,” the 22nd International Modal Analysis Conference, Dearborn, MI, January 26-29, 2004.

53. Amanda, C. Rutherford, Gyuhae Park, Hoon Sohn, Charles R. Farrar, “The Use of Electric Impedance Moments for Structural Health Monitoring,” the 22ndInternational Modal Analysis Conference, Dearborn, MI, January 26-29, 2004.

54. Hoon Sohn, Amy N. Robertson, Charles R. Farrar, “Data Interrogation for Damage Prognosis,” Proceedings of the 1st International Workshop on Smart Materials and Structures Technology, Honolulu, Hawaii, January 12-14, 2004.

55. Jerome P. Lynch, Arvind Sundararajan, Hoon Sohn, Gyuhae Park, Charles R. Farrar and Kincho H. Law. “Embedding Actuation Functionalities in a Wireless Structural Health Monitoring System," Proceedings of the 1st International Workshop on Smart Materials and Structures Technology, Honolulu, Hawaii, January 12-14, 2004.

56. Charles R. Farrar, Francois Hemez, Gyuhae Park, Amy N. Robertson, Hoon Sohn and Todd. O. Williams, “An Introduction to the Los Alamos Damage Prognosis Project," An International Workshop on Advanced Smart Materials and Smart Structures Technology, Hawaii, January 12-14, 2004. (Invited Paper, Keynote lecture)

57. Jerome P. Lynch, Arvind Sundararajan, Hoon Sohn, Gyuhae Park, Charles R. Farrar, Kincho H. Law, “Embedding Actuation Functionalities in a Wireless Structural Health Monitoring System,” An International Workshop on Advanced Smart Materials and Smart Structures Technology, Hawaii, January 12-14, 2004.

58. Timothy R. Fasel, Gyuhae Park, Hoon Sohn, Charles R. Farrar, “Application of Frequency Domain ARX Models and Extreme Value Statistics to Impedance-Based Damage Detection,” the International Mechanical Engineering Congress and Exposition Winter Annual Meeting of the ASME, Washington, D.C., November 16-21, 2003.

59. Amanda C. Rutherford, Gyuhae Park, Hoon Sohn, Charles R. Farrar, “Damage Identification Using Impedance Methods Coupled with Statistical Classifiers,” the International Mechanical Engineering Congress and Exposition Winter Annual Meeting of the ASME, Washington, D.C., November 16-21, 2003.

60. Hoon Sohn, “Statistical Pattern Recognition Paradigm for Structural Health Monitoring,” presented at National Science Foundation Sponsored Advanced Study Institute on Damage Prognosis, Florianopolis, Brazil, October 19-30, 2003 (invited speaker: Hoon Sohn).

61. Hoon Sohn, Amy N. Robertson “Structural Health Monitoring Application to Theme Park Rides,” presented at National Science Foundation Sponsored Advanced Study Institute on Damage Prognosis, Florianopolis, Brazil, October 19-30, 2003 (invited speaker: Hoon Sohn).

62. Hoon Sohn, Gyuhae Park, Jeannette R. Wait, Nathan P. Limback, “Wavelet Based Analysis for Detecting Delamination in Composite Plates,” the 4th International Workshop on Structural Health Monitoring, Stanford University, Stanford, CA, September 15-17, 2003 (presenter: Hoon Sohn).

63. Amy N. Robertson, Hoon Sohn, Charles R. Farrar, “An Improved Statistical Classifier for Identifying Signal Discontinuities Using Holder Exponents,” the 4th International Workshop on Structural Health Monitoring, Stanford University, Stanford, CA, September 15-17, 2003.

64. Hoon Sohn, Gyuhae Park, Charles R. Farrar, “Wavelet Based Active Sensing for Delamination Detection in Composite Structures,” will be presented at the International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, Chicago, Illinois, September 2-6, 2003 (presenter: Hoon Sohn: presentation only).

65. Charles R. Farrar, Francois Hemez, Gyuhae Park, Amy N. Robertson, Hoon Sohn, Todd Williams, “A Coupled Approach to Developing Damage Prognosis Solutions,” 5th International Conference on Damage Assessment of Structures; Southampton, England, July 1-3, 2003. (Invited Paper, Keynote Lecture)

66. Charles R. Farrar and Hoon Sohn, “Adaptive Algorithms for Damage Detection and Location,” Caltrans/UCSD Structural Health Monitoring and Bridge Infrastructure Workshop, San Diego, CA, March 7-8, 2003. (Invited Paper)

67. Amy N. Robertson, Charles R. Farrar, Hoon Sohn, “Singularity Detection for Structural Health Monitoring Using Holder Exponents,” SPIE’s 10th Annual International Symposium on Smart Structures and Materials, San Diego, CA, March 2-6, 2003.

68. Jerome P. Lynch, Arvind Sundararajan, Kincho H. Law, Anne S. Kiremidjian, Ed Carryer, Hoon Sohn, Charles R. Farrar, “Field Validation of A Wireless Structural Monitoring System on the Alamosa Canyon Bridge,” SPIE’s 10th Annual International Symposium on Smart Structures and Materials, San Diego, CA, March 2-6, 2003.

69. Tim Fasel, Hoon Sohn, Charles R. Farrar, “Damage Detection Using Extreme Value Statistics on Frequency Domain ARX Models,” SPIE’s 10th Annual International Symposium on Smart Structures and Materials, San Diego, CA, March 2-6, 2003 (presenter: Hoon Sohn).

70. David W. Allen, Joshua A. Clough, Hoon Sohn, Charles R. Farrar, “A Software Tool for Graphically Assembling Damage Identification Algorithms,” SPIE’s 10th Annual International Symposium on Smart Structures and Materials, San Diego, CA, March 2-6, 2003.

71. Jerry P. Lynch, Kincho H. Law, Anne S. Kiremidjian, Ed Carryer, Hoon Sohn, Charles R. Farrar, “Wireless Structural Monitoring Field Validation Using the Alamosa Canyon Bridge,” SPIE’s 10th Annual International Symposium on Smart Structures and Materials, San Diego, CA, March 2-6, 2003.

72. Amy N. Robertson, Hoon Sohn, Matthew T. Bement, Norman F. Hunter, Cheng Liu, Charles R. Farrar, “Damage Diagnosis and Prognosis for Composite Plates,” the 21st International Modal Analysis Conference, Kissimmee, FL, February 3-6, 2003.

73. Timothy R. Fasel, Hoon Sohn, Charles R. Farrar, “Damage Detection Using Frequency Domain ARX Models and Extreme Value Statistics,” the 21st International Modal Analysis Conference, Kissimmee, FL, February 3-6, 2003.

74. Hoon Sohn, Jeannette R. Wait, Charles R. Farrar, “Continuous Damage Diagnosis and Prognosis Using an Embedded Sensing System,” the 21st International Modal Analysis Conference, Kissimmee, FL, February 3-6, 2003.

75. Hoon Sohn, Amy N. Robertson, Charles R. Farrar, “Singularity Detection Using Holder Exponent,” the US-Korea Workshop on Smart Infrastructural Systems, Pusan, South Korea, August 23-24, 2002 (invited speaker: Hoon Sohn).

76. Hoon Sohn, David W Allen, Charles R. Farrar, Keith Worden, “Development of an Autonomous Continuous Monitoring System for Mechanical Damage Detection,” the 2nd International Conference on Advances in Structural Engineering and Mechanics, Pusan, South Korea, August 21-23, 2002 (session organizer & invited speaker: Hoon Sohn)

77. Charles R. Farrar, Francois M. Hemez, Hoon Sohn, “Developing Damage Prognosis Solution,” the 1st European Workshop on Structural Health Monitoring, Paris, France, July 10-12, 2002 (invited keynote paper).

78. Charles R. Farrar, Jerry J. Czarnecki, Hoon Sohn, Francois M. Hemez, “A Review of Structural Health Monitoring Literature 1996-2001,” the 3rd World Conference on Structural Control, Como, Italy, April 7-12, 2002 (presenter: Hoon Sohn).

79. Jeannette R. Wait, Hoon Sohn, Charles R. Farrar, “Application of a Wireless Sensor Module as a Distributed Structural Health Monitoring Solution,” the 3rd World Conference on Structural Control, Como, Italy, April 7-12, 2002.

80. Keith Worden, David W. Allen, Hoon Sohn, Charles R. Farrar, “Damage Detection in Mechanical Structures Using Extreme Value Statistics,” SPIE’s 9th Annual International Symposium on Smart Structures and Materials, San Diego, CA, March 17-21, 2002.

81. Hoon Sohn, Keith Worden, Charles R. Farrar, “Consideration of Environmental and Operation Variations for Damage Diagnosis,” SPIE’s 9th Annual International Symposium on Smart Structures and Materials, San Diego, CA, March 17-21, 2002 (presenter: Hoon Sohn).

82. Neal A. Tanner, Charles R. Farrar, Hoon Sohn “Structural Health Monitoring Using Wireless Sensing System with Embedded Processing,” SPIE’s 7th Annual International Symposium on NDE for Health Monitoring and Diagnostics, San Diego, CA, March 17-21, 2002.

83. Charles R. Farrar, Daniel W. Stinemates, Francois M. Hemez, Hoon Sohn, “Structural Health Monitoring Design Using Finite Element Analysis,” SPIE’s 7th Annual International Symposium on NDE for Health Monitoring and Diagnostics, San Diego, CA, March 17-21, 2002.

84. David W. Allen, Hoon Sohn, Keith Worden, Charles R. Farrar, “Utilizing the Sequential Probability Ratio Test for Building Joint Monitoring,” SPIE’s 7th Annual International Symposium on NDE for Health Monitoring and Diagnostics, San Diego, CA, March 17-21, 2002 (Won the best NDE paper award: first place).

85. Charles R. Farrar, Hoon Sohn, “Structural Health Monitoring Issues for Earthquake Engineering Applications,” National Research Council, Irvine, CA, March 2002.

86. Francois M. Hemez, Hoon Sohn, “Structural Assessment of A Cable-Stayed Bridge,” the 20th International Modal Analysis Conference, Los Angeles, CA, February 4-7, 2002.

87. Charles R. Farrar, Hoon Sohn, “Condition/Damage Monitoring Methodologies,” The Consortium of Organizations for Strong-Motion Observations Systems (COSMOS), Emeryville, CA, November 14-15, 2001.

88. Hoon Sohn, Keith Worden, Charles R. Farrar, “Novelty Detection Using Auto-Associative Neural Network,” ASME Symposium on Identification of Mechanical Systems: International Mechanical Engineering Congress and Exposition, New York, NY, November 11-16, 2001 (presenter: Hoon Sohn).

89. Charles R. Farrar, Hoon Sohn, Keith Worden, “Data Normalization: A Key for Structural Health Monitoring,” the 3rd International Workshop on Structural Health Monitoring, Stanford University, Stanford, CA, September 12-14, 2001.

90. Hoon Sohn, Charles R. Farrar, Michael L. Fugate, Jerry J. Czarnecki, “Structural Health Monitoring of Welded Connections,” the 1st International Conference on Steel & Composite Structures, Pusan, Korea, June 14-16, 2001 (presenter: Hoon Sohn).

91. Hoon Sohn, Charles R. Farrar, Keith Worden, “Novelty Detection Under Changing Environmental Conditions,” SPIE’s 8th Annual International Symposium on Smart Structures and Materials, Newport Beach, CA, March 4-8, 2001 (presenter: Hoon Sohn).

92. Charles R. Farrar, Hoon Sohn, Michael L. Fugate, “Integrated Structural Health Monitoring,” SPIE’s 8th Annual International Symposium on Smart Structures and Materials, Newport Beach, CA, March 4-8, 2001.

93. John F. Schultze, Francois M. Hemez, Scott W. Doebling, Hoon Sohn, “Statistical Based Non-Linear Model Updating Using Feature Extraction,” the 19th International Modal Analysis Conference, Orlando, FL, February 5-8, 2001.

94. Darby J. Luscher, James M.W. Brownjohn, Hoon Sohn, Charles R. Farrar, “Modal Parameter Extraction of Z24 Bridge Data,” the 19th International Modal Analysis Conference, Orlando, FL, February 5-8, 2001.

95. Thomas A. Butler, Francois M. Hemez, John F. Schultze, Hoon Sohn, Scott W. Doebling, “Model Validation for a Complex Jointed Structure,” the 19th International Modal Analysis Conference, Orlando, FL, February 5-8, 2001.

96. Hoon Sohn, Charles R. Farrar, Norman F. Hunter, “Data Normalization Issue for Vibration-Based Structural Health Monitoring,” the 19th International Modal Analysis Conference, Orlando, FL, February 5-8, 2001 (presenter: Hoon Sohn).

97. Charles R. Farrar, Hoon Sohn, Scott W. Doebling, “Structural Health Monitoring Activities at Los Alamos National Laboratory,” the 13th International Congress and Exhibition on Condition Monitoring and Diagnostic Engineering Management (COMADEM 2000), Houston, TX, December 3-8, 2000.

98. Charles R. Farrar, Hoon Sohn, "Pattern Recognition for Structural Health Monitoring," presented at Workshop on Mitigation of Earthquake Disaster by Advanced Technologies, Las Vegas, NV, Nov. 30 - Dec. 1, 2000.

99. John F. Schultze, Francois M. Hemez, Scott W. Doebling, Hoon Sohn, “Application of Nonlinear System Model Updating Using Feature Extraction and Parameter Effects Analysis,“ the 71st Shock and Vibration Symposium, Arlington, VA, November 7-9, 2000.

100. Hoon Sohn, Charles R. Farrar, “A Statistical Pattern Recognition Paradigm for Vibration-Based Structural Health Monitoring,” Smart Engineering System Design, Neural Networks, Fuzzy Logic, Evolutionary Programming, Complex Systems, and Data Mining, St. Louis, MO, November 5-8, 2000 (presenter: Hoon Sohn).

101. Hoon Sohn, Charles R. Farrar, “Time Series Analyses for Locating Damage Sources in Vibration Systems,” International Conference on Noise and Vibration Engineering, Leuven, Belgium, September 13-15, 2000.

102. Hoon Sohn, Michael L. Fugate, Charles R. Farrar, “Damage Diagnosis Using Statistical Process Control,” Conference on Recent Advances in Structural Dynamics, Southampton, UK, July 22-25, 2000 (presenter: Hoon Sohn).

103. Scott W. Doebling, Tom Butler, Francois M. Hemez, Winston Rhee, Hoon Sohn, “Statistical Model Updating and Validation Applied to Nonlinear Transient Structural Dynamics,” European COST F3 Conference on System Identification & Structural Health Monitoring, Madrid, Spain, June 6-9, 2000.

104. Hoon Sohn, Charles R. Farrar, “Statistical Process Control and Projection Techniques for Structural Health Monitoring,” European COST F3 Conference on System Identification & Structural Health Monitoring, Madrid, Spain, June 6-9, 2000.

105. Erik G. Straser, Hoon Sohn, Anne S. Kiremidjian, Kincho H. Law, “A Framework for Health Monitoring of Structures,” 2000 Structures Congress & Exposition, ASCE, Philadelphia, PA, May 8-10, 2000.

106. Hoon Sohn, Michael L. Fugate, Charles R. Farrar, “Continuous Structural Monitoring Using Statistical Process Control,” the 18th International Modal Analysis Conference, San Antonio, TX, February 7-10, 2000 (presenter: Hoon Sohn).

107. Michael L. Fugate, Hoon Sohn, Charles R. Farrar, “Unsupervised Learning Methods for Vibration-Based Damage Detection,” the 18th International Modal Analysis Conference, San Antonio, TX, February 7-10, 2000.

108. Hoon Sohn, Scott W. Doebling, “Extraction of Ritz Vectors Using a Complete Flexibility Matrix,” Proceedings of Asia-Pacific Vibration Conference, Orchard Hotel, Singapore, December 13-15, 1999 (presenter Hoon Sohn).

109. Hoon Sohn, Kincho H. Law, “Flexibility Based Extraction of Ritz Vectors and Their Application to Damage Diagnosis,” the 2nd International Workshop on Structural Health Monitoring, Stanford University, Stanford, CA, September 8-10, 1999 (presenter: Hoon Sohn).

110. Hoon Sohn, Chuck Farrar, Mike Fugate, “Statistical Pattern Recognition Applied to Structural Health Monitoring,” the 4th International Workshop on Nonlinear Elasticity in Materials, Los Alamos National Laboratory, Los Alamos, NM, July 19-23, 1999.

111. Hoon Sohn, Kincho H. Law, “Extraction of Ritz Vectors and Their Application to Structural Damage Diagnosis,” the 5th US. National Congress on Computational Mechanics, University of Colorado at Boulder, CO, August 4-6, 1999 (presenter: Hoon Sohn).

112. Hoon Sohn, Kincho H. Law, “Application of Ritz Vectors to Damage Detection for a Grid-Type Bridge Model,” the 17th International Modal Analysis Conference, Kissimmee, FL, February 8-11, 1999 (presenter: Hoon Sohn).

113. Hoon Sohn, Kincho H. Law, “A Bayesian Probabilistic Damage Detection Using Load-Dependent Ritz Vectors,” the 16th International Modal Analysis Conference, Santa Barbara, CA, February 2-5, 1998 (presenter: Hoon Sohn).

114. Hoon Sohn, Mark Dzwonczyk, Erik G. Straser, Kincho H. Law, Teresa Meng and Anne S. Kiremidjian, “Adaptive Modeling of Environmental Effects on Modal Parameters for Damage Detection in Civil Structures,” the SPIE’s 5th Annual International Symposium on Smart Structures and Materials, San Diego, CA, March 1-5, 1998 (presenter: Hoon Sohn).

115. Hoon Sohn, Kincho H. Law, “Application of Load-Dependent Ritz Vectors to Probabilistic Damage Detection,” the SPIE’s 5th Annual International Symposium on Smart Structures and Materials, San Diego, CA, March 1-5, 1998 (presenter: Hoon Sohn).

116. Anne S. Kiremidjian, Erik G. Straser, Kincho H. Law, Hoon Sohn, Teresa Meng, Lorentz Redlefsen, Ramon Cruz, “Structural Damage Monitoring for Civil Structures,” International Workshop on Structural Health Monitoring, Stanford University, Stanford, CA, September 18-20, 1997 (invited keynote paper).

OTHER PUBLICATIONS

1. Hoon Sohn, Charles R. Farrar, Francois M. Hemez, Jerry J. Czarnecki, Devin D. Shunk, Daniel W. Stinemates, Brett R. Nadler, “A Review of Structural Health Monitoring Literature: 1996-2001,” Los Alamos National Laboratory Report, LA-13976-MS, 2004.

2. Charles R. Farrar, Hoon Sohn, Francois M. Hemez, Mark C. Anderson, Matthew T. Bement, Phillip J. Cornwell, Scott W. Doebling, Nick Lieven, Amy N. Robertson, John F. Schultze, “Damage Prognosis: Current Status and Future Needs,” Los Alamos National Laboratory Report, LA-14051-MS, 2003.

3. Hoon Sohn, Charles R. Farrar, “Dynamic Testing of Bridges and Applications,” in preparation for Los Alamos National Laboratory Report, to appear 2004.

4. Amy N. Robertson, Phillip J. Cornwell, Hoon Sohn, Charles R. Farrar, “Preliminary Data Analysis for Instrumenting a Structural Health Monitoring System for Walt Disney’s Rock’n Roller Coaster,” Los Alamos National Laboratory Report, LA-14302-MS, 2003.

5. Kieth Worden, David W. Allen, Hoon Sohn, Charles R. Farrar, “Extreme Value Statistics For Damage Detection in Mechanical Structures,” Los Alamos National Laboratory Report LA-13903-MS, 2002.

6. Hoon Sohn, Charles R. Farrar, Norm F. Hunter, Keith Worden, “Applying the LANL Statistical Pattern Recognition Paradigm for Structural Health Monitoring to Data from a Surface-Effect Fast Patrol Boat,” Los Alamos National Laboratory Report, LA-13761-MS, 2001.