Erik A. Johnson

Associate Professor of Civil Engineering
Department of Civil & Environmental Engineering
University of Southern California
206B Kaprielian Hall

phone: (213) 740-0610
fax: (213) 744-1426
e-mail: JohnsonE@usc.edu

Mailing Address:
Department of Civil & Env Engineering
University of Southern California
3620 S. Vermont Ave, KAP210
Los Angeles, CA 90089-2531

Research/USC overview: a PowerPoint presentation (2.1MB) that gives an overview of my research and a little about my department and university

Selected papers

Former Member of the Structural Dynamics and Control / Earthquake Engineering Laboratory at Notre Dame (which is currently the Smart Structures Technology Laboratory at the University of Illinois)

Vitae

A more up-to-date PDF version is also available. This Vitae is divided into a number of sections:

Interests
Education
Professional Experience
Professional Society Memberships and Grade
Computer and Equipment Experience
Awards and Honor Societies
Technical and University Activities
Students Supervised
Grants, Contracts, and Consulting
Publications:
Technical Seminars and Tutorials

Interests

Structural dynamics and control
Computational stochastic mechanics
System identification
Structural optimization

Education

Ph.D., Aeronautical & Astronautical Engineering, University of Illinois at Urbana-Champaign, October 1997.
- Emphasis on Structural Dynamics and Control, Computational Stochastic Dynamics, and Adaptive System Identification
- Dissertation: On-line Monitoring, Control, and Reliability of Structural Dynamical Systems
- Advisors: L.A. Bergman and P.G. Voulgaris
M.S., Aeronautical & Astronautical Engineering, University of Illinois at Urbana-Champaign, August 1993.
- Emphasis on Structural Dynamics
- Thesis: Firing-Induced Vibration of an Electromagnetic Railgun Rail
- National Science Foundation Graduate Fellowship, 1989-1990, 1991-1993.
- Advisor: L.A. Bergman
Certificate in Biblical Studies, Trinity Evangelical Divinity School, Trinity International University, Deerfield, Illinois, June 1991.
B.S., Aeronautical & Astronautical Engineering, University of Illinois at Urbana-Champaign, May 1988.
- Highest Honors
- International Minor in French Studies
Prospect High School, Mt. Prospect, Illinois, June 1984.

Professional Experience

University of Southern California, Los Angeles, California
Associate Professor of Civil Engineering, April 2005 - present
Assistant Professor of Civil Engineering, September 1999 - April 2005
Lund University, Center for Mathematical SciencesLund, Sweden
Guest Lecturer, May 2001
University of Notre Dame, Notre Dame, Indiana
Postdoctoral Research Associate, August 2000
Visiting Research Assistant Professor, September 1997 - August 1999
University of Illinois at Urbana-Champaign, Urbana, Illinois
- Graduate Research Assistant, June 1996 - present
- Graduate Fellow, August 1995 - May 1996
- Graduate Research Assistant, August 1993 - August 1995
- Visiting Teaching Associate (Aerospace Flight Structures, I), January 1993 - May 1993
- National Science Foundation Graduate Fellow, August 1988 - August 1989, August 1991 - August 1993
- Grader (Aerospace Flight Structures, II), Aero/Astro Engineering, August 1987 - May 1988
- Grader (Advanced Calculus), Dept. of Mathematics, January 1987 - May 1987
J. A. Johnson Paving Co., Arlington Heights, IL
Engineer (part-time), February 1990 - June 1991
General Dynamics, Space Systems Division, San Diego, California
Engineering Intern, Summer 1987
Aérospatiale, Division Hélicoptère, Marignane, FRANCE
Student Trainee, Summer 1986

Professional Society Memberships and Grade

American Institute of Aeronautics and Astronautics, Member
American Society of Civil Engineers, Associate Member
American Society of Mechanical Engineers, Associate Member
NEES Inc., Member and USC Institutional Representative

Computer and Equipment Experience

Extensive programming experience in C, Fortran, Pascal, Assembly, MATLAB, Maple, Mathematica.
Various platforms and operating systems, including Macs, PCs, various UNIX workstations, several Cray and SGI supercomputers, CM-5 massively parallel supercomputers; special emphasis on high-end vector and parallel efficiency.
Use and programming of digital signal processor data acquisition and control boards (esp. TMS320C30), Tektronix and HP data acquisition systems, impact hammers, shakers, accelerometers, etc.

Awards and Honor Societies

Outstanding Recent Alumnus Award, University of Illinois at Urbana-Champaign, Aerospace Engineering Department, 2003
Packard Fellowship for Science and Engineering nominee, 2001
NSF Faculty Early Career Development Award, 2001-2006
USC Zumberge Research Fund Award, 2000
Faculty of the Month Award, Mortar Board National Honor Society, USC chapter, April 2001
Outstanding Teacher Recognition Award, USC LDS Student Association, March 31, 2000
Nominated for the Outstanding Teaaching and Mentoring Award, USC Parents' Association, February 2005.
Listed in Marquis Who's Who in Science and Engineering, 5th (2000) - 8th (2005-2006) eds.
Listed in Marquis Who's Who in America, 55th ed. (2001), 56th ed. (2002)
Listed in Marquis Who's Who the World, 23rd ed. (2006)

Awards as a graduate student:

Mavis Memorial Fund Scholarship fellow, 1995-1996 academic year
Jefferson Goblet Award for best student paper, 1994 AIAA SDM conference
National Science Foundation Graduate Fellowship, 1989-1990, 1991-1993
Bronze Tablet and University of Illinois Honors
Dean's List (all undergraduate semesters)

Phi Eta Sigma Freshman Honor Society
Phi Kappa Phi Honor Society
Golden Key National Honor Society
Tau Beta Pi, National Engineering Honor Society
Sigma Gamma Tau Aerospace Engineering Honor Society

Technical Activities

Director, American Automatic Control Council, 2004-present.

Faculty Mentor, Natural Hazard Mitigation in Japan 2002 (NHMJ2002), June 13-26, 2002. (An NSF-sponsored program for graduate students in earthquake engineering, wind engineering, seismology, etc.)

NEES (Network for Earthquake Engineering Simulation) Institutional Representative for USC, March 2003 - present.

Conference Organization:
- Conference Secretariat and Co-Organizer, Fourth International Conference on Stochastic Structural Dynamics, Notre Dame, Indiana, August 6-8, 1998.
- Member of Steering Committee, Local Organizing Committee, Scientific Committee, and proceedings co-editor, 8th ASCE Joint EMD/SEI/GI/AD Specialty Conference on Probabilistic Mechanics and Structural Reliability (PMC2000), Notre Dame, Indiana, July 24-26, 2000.
- Chair of Local Organizing Committee, 8th International Conference on Structural Safety and Reliability (ICOSSAR '01), Newport Beach, California, June 17-23, 2001.
- Program Committee member, 2004 American Controls Conference, Boston, Massachusetts, June 30 - July 2, 2004.
- Member of Scientific Committee, 9th ASCE Joint EMD/SEI/GI/AD Specialty Conference on Probabilistic Mechanics and Structural Reliability (PMC2004), Albuquerque, New Mexico, July 26-28, 2004.
- Member of Local Organizing Committee, 4th World Conference on Structural Control and Monitoring (4WCSCM), San Diego, California, July 11-13, 2006.

Professional Committee memberships:
- IASSAR Committee on Stochastic Methods in Structural Engineering, 1998-
- IASSAR Subcommittee on Computational Stochastic Mechanics, 1998-
- ASCE EMD Probabilistic Methods Committee, 1999-
- ASCE SEI Structural Control Committee, 1999-
- ASCE EMD Dynamics Committee, 2000-
- ASCE EMD Technical Committee on Structural Health Monitoring and Control, 2004- (Vice-Chair, 2004-present)
- ASCE EMD Dynamics Committee Task Group on Structural Health Monitoring, 1999-2004 (Chair, 2003-2004)
- ASCE EMD Dynamics Committee Task Group on Structural Control Benchmarks, 1999-2004
- PEER Education Committee, 2000-

Workshop Participation:
- NSF Coordination Meeting on Structural Control Research, Notre Dame, Indiana, 1996.
- Engineering Education Scholars Program, Madison, Wisconsin, July 6-12, 1997. (Workshop designed to strengthen preparation as teachers of engineering, improve teaching methods, examine the learning process, and understand the various roles of an assistant professor.) Sponsored by the National Science Foundation and the Graduate School of the University of Wisconsin-Madison.
- NSF US-Japan Structural Control Research Workshop, Kyoto, Japan, June 28 - July 1, 1998.
- Trilateral NSF EERC Education Symposium, Las Vegas, Nevada, June 3-4, 1999.
- Mitigation of Earthquake Disaster by Advanced Technologies (MEDAT-1), Los Angeles, March 2-3, 2000. Workshop sponsored by MCEER, NSF, I³R³CIS.
- Third International Workshop on Structural Control (3IWSC), Champs-sur-Marne, Paris, July 6-8, 2000.
- NEESgrid Earthquake Engineering Research Community Workshop, Marina del Rey, California, November 16-17, 2000.
- NSF Bridge Monitoring Workshop, University of California, Irvine, California, March 9, 2001.
- Joint US-EU Workshop on Sensor Technology and Control, April 12, 2002, Como and Somma Lombardo, Italy.
- Fourth International Workshop on Structural Control (4IWSC), New York, New York, June 10-11, 2004.

Technical reviewer for:
- AIAA Journal
- American Controls Conferences
- Automatica
- Computer-Aided Civil and Infrastructure Engineering
- Computer Methods in Applied Mechanics and Engineering
- Dynamics and Control
- Earthquake Engineering and Structural Dynamics
- Earthquake Spectra
- Engineering Structures
- Experimental Mechanics
- Inernational Journal of Non-Linear Mechanics
- International Journal on Materials and Structural Reliability
- Journal of Applied Mechanics, ASME
- Journal of Engineering Mechanics, ASCE
- Journal of Intelligent Material Systems and Structures
- Journal of Structural Engineering, ASCE
- Journal of Vibration and Acoustics, ASME
- Journal of Wind Engienering and Industrial Aerodynamics
- Journal of Vibration and Control
- Smart Materials and Structures
- Structural Control and Health Monitoring
- Transactions on Control System Technology, IEEE

Service as:
- Co-chair, Session on "Random Vibrations and Stochastic Dynamics I / Stochastic Dynamics I" at the 15th ASME Biennial Conference on Mechanical Vibration and Noise, 1995 ASME Design Engineering Technical Conferences, Boston, Massachusetts, September 17-21, 1995.
- Co-chair, Session on "Control/Optimization and Modeling of Nonlinearity" at the Third International Conference on Computational Stochastic Mechanics, Santorini, Greece, June 14-17, 1998.
- Co-chair, Session on "Building Dynamics and Control: Active, Semi-active, and Hybrid Control Systems" at the Second World Conference on Structural Control, Kyoto, Japan, June 28 - July 1, 1998.
- Co-chair, Session on "GIS and Remote Sensing" at the Mitigation of Earthquake Disaster by Advanced Technologies (MEDAT-1) workshop, Los Angeles, March 2-3, 2000.
- Chair, Session on "Passive, Active, or Semi-Active Damping Devices" at the Smart Systems for Bridges, Structures, and Highways conference (7th SPIE Annual International Symposium on Smart Structures and Materials), Newport Beach, California, March 5-9, 2000.
- Co-organizer and co-chair, Session on "Benchmark Study in Structural Health Monitoring and Damage Detection" and Session on "Structural Control of Flexible and Asymmetric Buildings for Seismic Response Mitigation" at the 14th ASCE Engineering Mechanics Conference (EM2000), Austin, Texas, May 21-24, 2000.
- Co-chair, Session on "Dynamical Systems II" at the International Conference on Monte Carlo Simulation (MCS 2000), Monaco, June 18-21, 2000.
- Co-chair, Session on "Passive and Active Control Applications" at the Third International Workshop on Structural Control (3IWSC), Champs-sur-Marne, France, July 6-8, 2000.
- Chair, Session on "ER/MR Device Design, Modeling, and Performance" at the Smart Systems for Bridges, Structures, and Highways conference (8th SPIE Annual International Symposium on Smart Structures and Materials), Newport Beach, California, March 5-8, 2001.
- Co-chair, Session on "Random Uncertainties in Dynamical Systems" at the 8th International Conference on Structural Safety and Reliability (ICOSSAR '01), Newport Beach, California, June 17-23, 2001.
- Co-chair, Plenary session at the 8th International Conference on Structural Safety and Reliability (ICOSSAR '01), Newport Beach, California, June 17-23, 2001.
- Co-chair, Session on "New Frontiers in Structural Control" at the 8th International Conference on Structural Safety and Reliability (ICOSSAR '01), Newport Beach, California, June 17-23, 2001.
- Co-chair, Session on "Smart Structural Systems and Devices," Symposium on Structural Control, Identification, and Monitoring, 2001 Joint ASME/ASCE/SES Applied Mechanics and Materials Summer Conference (MMC2001), San Diego, California, June 27-29, 2001.
- Co-organizer, Session on "Smart Damping Systems for Civil Engineering Structures" at the ASCE 2002 Structures Congress, Denver, Colorado, April 4-6, 2002.
- Supervisor and recorder, Session on "Benchmark Control Working Group" at the Third World Conference on Structural Control (3WCSC), Como, Italy, April 7-11, 2002.
- Co-organizer and co-chair, two sessions "Control, Monitoring and Identification of Large Structures II" at the 2002 American Control Conference, Anchorage, Alaska, May 8-10, 2002.
- Organizer and chair, Session on "Reliability and Analysis of Stochastic Structural Systems" at the 2002 ASCE Engineering Mechanics Conference (EM2002), New York, June 2-5, 2002.
- Ragazzini Education Award Subcommitee, American Automatic Control Council, 2003.
- Review Committee, EERI Student Paper Competition, EERI, 2003.
- Chair, Session on "Structural Health Monitoring: Phase 2 Benchmark Problem," 16th ASCE Engineering Mechanics Conference (EM03), University of Washington, Seattle, 16-18 July 2003.
- Chair, Session on "Uncertainty Quantification V: Non-Traditional Approaches to Uncertainty Quantification," and Co-chair, Session on "Uncertainty Quantification IV: Computational Stochastic Mechanics," 7th U.S. National Congress on Computational Mechanics, Albuquerque, NM, 27-31 July 2003.
- Organizer, Session on "Benchmark Studies in Control of a Base Isolated Building" at the ASCE 2004 Structures Congress, Nashville, Tennessee, April 22-26, 2004.
- Organizer and co-Chair, Sessions on "Computational Stochastic Mechanics" at the 9th ASCE EMD/SEI/AD Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability (PMC04), Albuquerque, NM, July 26-28, 2004.
- Co-organizer, session on "Applications of Control, Identification and Monitoring to Civil Engineering Structures," 13th Mediterranean Conference on Control and Automation, Cyprus, 27-29 June 2005.
- Co-chair, Session on "Control and Identification of Large Structural Systems," 2005 American Control Conference (ACC05), Portland, Oregon, June 8-10, 2005.

University Activities

Committees (USC):
- Screening Exam Committee, Dept. of Civil Engineering, 1999-2000, 2001-
- Laboratory Committee, Dept. of Civil Engineering, 1999-
- Undergraduate Recruitment Committee, Dept. of Civil Engineering, 1999-
- Undergraduate Financial Aid Committee, School of Engineering, 2001-
- Teaching Assistant Committee, Dept. of Civil Engineering, 2001-
- Engineering Retention Committee, School of Engineering, 2002
- Curriculum Committee, Dept. of Civil Engineering, 2004-
- Chair Evaluation Committee, Dept. of Civil Engineering, 2005

Courses taught (USC unless otherwise noted):
- Aerospace Structures I (AAE225; UIUC)
- Stochastic Concepts in Engineering Planning and Design (CE331; ND)
- Risk Analysis (CE408)
- Statics (CE205)
- Uncertainty Quantification (CE560)
- Introduction to Engineering (ENGR101) (Civil Engineering segment)
- Numerical Methods for Stochastic Differential Equations (Center for Mathematical Sciences, Lund University, Lund, Sweden)

Other University related activities:
- Organizer, USC segment (one of four segments) of the PEER Earthquake Engineering Scholars Course, Fall 2001, Fall 2003, Fall 2005

Students Supervised (USC unless otherwise noted)

Undergraduates († = pursued or intends to pursue graduate studies)
- Patrick M. Schneidau† (University of Notre Dame; with B.F. Spencer Jr.), Design and Construction of an Experimental Stay Cable Model, Spring 1998.
- Aaron M. Vorwork† (University of Notre Dame; with B.F. Spencer Jr.), Experimental Testing of a Stay Cable Model with Viscous and Magnetorheological Damping, Summer 1998.
- Patrick J. Wilson, Fall 2000.
- Nick Ertmer, USC Merit Scholar, Earthquake Engineering Outreach using a Small-Scale Shaking Table, Spring 2001.
- Tat S. Fu†, FPKtool: A GUI Tool for Solving SDOF Problems in Stochastic Dynamics, Fall 2002 - Spring 2003.
- Jessica Le†, Experimental Structural Health Monitoring using Variable Stiffness Devices, Spring 2003.
- Allen M. Au†, Experimental Structural Health Monitoring using Variable Stiffness Devices, Fall 2003. Mini-MOST Virtual Lab for Advanced Earthquake Engineering Simulation, Spring 2004 - Summer 2004.

Master's
- Greg A. Baker (University of Notre Dame; with B.F. Spencer Jr.), Experimental Verification of Control Strategies for a Structural Control Benchmark, Spring 1998 - Spring 1999; Smart Damping of Stay Cables using Magnetorheological Fluid Dampers, Fall 1998 - Fall 1999. M.S., 1999.
- Tat S. Fu, FPKtool: a GUI for Solving FPK Equations for SDOF Systems. Summer 2003 - Summer 2004. M.S., August 2004.

Ph.D.
- Juan Carlos Ramallo (University of Notre Dame; with B.F. Spencer Jr.), Magnetorheological Dampers and Intelligent Base Isolation Systems, Summer 1998 - Fall 1999. Ph.D., National University of Tucuman, Argentina, 2003.
  (As of 2004, Assistant Professor Laboratorio de Estruras-UNT, Universidad Nacional de Tucuman, Argentina.)
- Mohamed Ihab Sherif Mohamed Elmasry, Fall 2000 - Fall 2004. Ph.D., 2005, Health Monitoring of Structures under Ambient Vibrations using Semiactive Devices.
  (As of 2005, on the faculty of the Arab Academy for Science & Technology and Maritime Transport, Alexandria, Egypt.)
- Baris Erkus, Fall 2001 - present. Ph.D., in progress (Fall 2005 expected).
- Vicrom Panichacarn, Spring 2002 - present. Ph.D., in progress.
- Yong-Jei Lee, Summer 2002 - present. Ph.D., in progress.
- Ali Asghari, Summer 2003 - present. Ph.D., in progress.
- Tat S. Fu (with S.F. Masri), Fall 2004 - present.
- Dongyu Zhang, Fall 2004 - present.

Other Ph.D. Committee service:
- Richard E. Christenson (Notre Dame) (Ph.D. advisor: B.F. Spencer, Jr.), dissertation final exam committee, November 2001
  (As of 2005: assistant professor, Colorado School of Mines)
- Ka-Veng "Kelvin" Yuen (Caltech) (Ph.D. advisor: J.L. Beck), dissertation final exam committee, April 2002
  (As of 2005: assistant professor, University of Macau)
- Yangsoo Lee (Ph.D. Advisor: J.-P. Bardet), qualifying exam committee, May 2003
- Krishna Chintalapudi (Ph.D. Advisor: R. Govindan), qualifying exam committee, 18 May 2004

Grants, Contracts, and Consulting

Grate Stress Analysis, consulting work for Zurn Industries, Inc., Erie, Pennsylvania, July, 1992 (PI: L.A. Bergman, AAE, UIUC).
Robust Numerical Solution and Visualization of the Transient Multidimensional Fokker-Planck Equation for Stochastic Dynamical Systems, National Science Foundation / National Center for Supercomputing Applications, November 1994 - November 1995, 12,000 Node-Hours CM-5, 50 SU Hours Convex Exemplar, and 300 SU Hours SGI Power Challenge (co-PI with L.A. Bergman, AAE, UIUC).
U.S.-Austrian Cooperative Research on the Application of Genetic Algorithms to Monte Carlo Simulation of Random Differential Equations, National Science Foundation (INT 96-00033), August 1996 - July 2001, $27,000 (co-authored with PI B.F. Spencer, Jr., CE/GEOS, ND, L.A. Bergman, AAE, UIUC, and D.E. Goldberg, GE, UIUC).
REU Supplement, National Science Foundation, May 1998 - December 1998, $12,250 (authored on behalf of the Structural Dynamics and Control / Earthquake Engineering Laboratory, CE/GEOS, ND).
Smart Dampers for Vibration Suppression: Control Strategies and Device Durability, Indiana Space Grant Consortium, May 1998 - May 1999, $3000 (co-PI; with PI B.F. Spencer, Jr., CE/GEOS, ND).
Fourth International Conference on Stochastic Structural Dynamics, National Science Foundation (CMS 98-13960), May 1998 - April 1999, $12,000 (PI; with co-PI: B.F. Spencer, Jr., CE/GEOS, ND).
IP Integration of SMART Technology, Visteon Automotive Systems, July - October, 1998, $30,000 (co-PI; with PI B.F. Spencer, Jr., CE/GEOS, ND and co-PI M.K. Sain, EE, ND).
Smart Damping Strategies for Seismic Protection of Urban Structures, National Science Foundation (CMS 99-00234), May 1999 - April 2002, $340,000 (was co-PI on proposal; with PI B.F. Spencer, Jr., CE/GEOS, ND and co-PI M.K. Sain, EE, ND). Resigned from grant prior to award due to leaving ND.
Travel Addendum for Smart Damping for Seismic Protection, National Science Foundation, May 1999 - April 2002, $15,000 (was co-PI on proposal; with PI B.F. Spencer, Jr., CE/GEOS, ND and co-PI M.K. Sain, EE, ND). Resigned from grant prior to award due to leaving ND.
Smart Dampers for Vibration Suppression: Application to Cable Vibration, Indiana Space Grant Consortium, May 1999 - May 2000, $3000 (was co-PI on proposal; with PI B.F. Spencer, Jr., CE/GEOS, ND). Resigned from grant due to leaving ND.
Small-Scale Structural Health Monitoring Project, Zumberge Fund, University of Southern California, July 2000 - June 2002, $15,000 (PI).
NEESgrid: A Distributed Virtual Laboratory for Advanced Earthquake Experimentation Simulation, National Science Foundation, June 2000 - March 2001, $300,000 "scoping award" (key personnel).
CAREER: Integrated Monitoring and Smart Damping for Dynamic Hazard Mitigation, National Science Foundation (CMS 00-94030), March 2001 - February 2006, $375,000 (PI).
The Use of Discrepancy Sensitivity in Optimization and Uncertainty, Sandia National Labs, April 2001 - March 2002, $17,500 (PI).
NEESgrid: A Distributed Virtual Laboratory for Advanced Earthquake Experimentation Simulation, National Science Foundation (CMS 01-17853), August 2001 - September 2005, $13,350,000 (senior personnel).
Smart Damping Devices for Monitoring the Health of Bridges, Caltrans via the METRANS National Center for Metropolitan Transportation Research, September 2001 - December 2002, METRANS project 01-10, $50,000 (PI).
Innovative Bridge Structural Health Monitoring using Variable Stiffness and Damping Devices, USDoT via the METRANS National Center for Metropolitan Transportation Research, July 2003 - June 2004, METRANS project 03-17, $75,000 (PI).
ITR: Structural Health Monitoring using Local Excitation and Large-Scale Networked Sensing, National Science Foundation (ANI 03-25875), September 2003 - August 2008, $2,600,000 (co-PI with PI R. Govindan and co-PIs S.F. Masri, B. Krishnamachari and G. Sukhatme).
NSF/Sandia: Discrepancy Sensitivity for Efficiently Choosing Computer Experiments in Design and Uncertainty Quantification, National Science Foundation (DMI 03-31145) / Sandia National Laboratories, January 2004 - December 2006, $248,288 (PI).
NEESgrid: A Distributed Virtual Lab for Advanced Earthquake Experimentation and Simulation, National Science Foundation via subcontract from Washington University, St. Louis, March 2004 - September 2004, $10,000 (PI).

Books/Proceedings Written or Edited

B.F. Spencer, Jr. and E.A. Johnson (eds.), Stochastic Structural Dynamics: Proceedings of the Fourth International Conference on Stochastic Structural Dynamics, Notre Dame, Indiana, August 6-8, 1998, Balkema, Rotterdam, 1999.
A. Kareem, A. Haldar, B.F. Spencer Jr., and E.A. Johnson (eds.), Proceedings of the 8th ASCE Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability (PMC2000), Notre Dame, Indiana, July 24-26, 2000. CD-ROM, 263 papers, 1900 pages.

Refereed Journal Publications (‡ = students advised or co-advised by Prof. Johnson)

E.A. Johnson, S.F. Wojtkiewicz, L.A. Bergman, and B.F. Spencer, Jr., "Observations with Regard to Massively Parallel Computation for Monte Carlo Simulation of Stochastic Dynamical Systems," International Journal of Non-Linear Mechanics, 32(4), 1997, 721-734.
E.A. Johnson, L.A. Bergman, and B.F. Spencer, Jr., "Parallel Implementations of MCS -- Comparative Studies from Stochastic Structural Dynamics," Probabilistic Engineering Mechanics special issue "State of the Art Report on Computational Stochastic Mechanics" (G.I. Schuëller, ed.), 12(4), 1997, 208-212.
E.A. Johnson, P.G. Voulgaris, and L.A. Bergman, "Multiobjective Optimal Structural Control of the Notre Dame Building Model Benchmark," Earthquake Engineering and Structural Dynamics, 27(11), 1998, 1165-1187.
S.F. Wojtkiewicz, E.A. Johnson, L.A. Bergman, M. Grigoriu, and B.F. Spencer, Jr., "Response of Stochastic Dynamical Systems Driven by Additive Gaussian and Poisson White Noise: Solution of a Forward Generalized Kolmogorov Equation by a Spectral Finite Difference Method," Computer Methods in Applied Mechanics and Engineering, 168(1-4), 1999, 73-89.
B.F. Spencer, Jr., E.A. Johnson, and J.C. Ramallo‡, "'Smart' Isolation for Seismic Control," JSME International Journal, Special issue on Frontiers of Motion and Vibration Control, Series C, 43(3), September 2000, 704-711.
J.C. Ramallo‡ E.A. Johnson, and B.F. Spencer, Jr., "'Smart' Base Isolation Systems," Journal of Engineering Mechanics, ASCE, 128(10), October 2002, 1088-1099.
E.A. Johnson, C. Proppe, B.F. Spencer, Jr., L.A. Bergman, G.S. Székely, and G.I. Schuëller, "Parallel Processing in Computational Stochastic Dynamics," Probabilistic Engineering Mechanics, 18(1), January 2003, 37-60.
E.A. Johnson, R.E. Christenson, and B.F. Spencer, Jr., "Semiactive Damping of Cables with Sag," Computer Aided Civil and Infrastructure Engineering, 18(2), 2003, 132-146.
E.A. Johnson, H.F. Lam, L.S. Katafygiotis, and J.L. Beck, "The Phase I IASC-ASCE Structural Health Monitoring Benchmark Problem using Simulated Data," Journal of Engineering Mechanics, ASCE, 130(1), January 2004, 5-15.
J.M. Caicedo, S.J. Dyke, and E.A. Johnson, "NExT and ERA for Phase I of the IASC-ASCE Benchmark Problem: Simulated Data," Journal of Engineering Mechanics, ASCE, 130(1), January 2004, 49-61.
E.A. Johnson, G.A. Baker‡, B.F. Spencer, Jr., and Y. Fujino, "Semiactive Damping of Stay Cables," Journal of Engineering Mechanics, ASCE, accepted.
S. Narasimhan, S. Nagarajaiah, E.A. Johnson and H.P. Gavin, "Smart Base Isolated Benchmark Building Part I: Problem Definition," Structural Control and Health Monitoring (special issue on "Base Isolation Benchmark Control"), accepted.
B. Erkus‡ and E.A. Johnson, "Smart Base Isolated Benchmark Building Part III: A Sample Controller For Bilinear Isolation," Structural Control and Health Monitoring (special issue on "Base Isolation Benchmark Control"), accepted.
R.E. Christenson, B.F. Spencer Jr., and E.A. Johnson, "Experimental Verification of Smart Cable Damping," Journal of Engineering Mechanics, ASCE, in review.
R.E. Christenson, B.F. Spencer, Jr., E.A. Johnson, and K. Seto, "Coupled Building Control Considering the Effects of Building/Connector Configuration," Journal of Structural Engineering, ASCE, in review.
E.A. Johnson and B. Erkus‡, "Dissipativity and Performance Analysis of Smart Dampers via LMI Synthesis," Structural Control and Health Monitoring, accepted.
E.A. Johnson and M.I. Elmasry‡, "Structural Health Monitoring using Variable Stiffness and Damping Devices," Journal of Engineering Mechanics, ASCE, submitted.
R.E. Christenson, B.F. Spencer, Jr., E.A. Johnson and K. Seto, "Semiactive Connected Control Method for Adjacent Multi-Degree-of-Freedom Buildings," Journal of Engineering Mechanics, ASCE, submitted.
K. Chintalapudi‡, E.A. Johnson and R. Govindan, "Structural Damage Detection using Wireless Sensor Networks," in preparation.
M.I. Elmasry‡, E.A. Johnson, and A.M. Au‡, "Experimental Verification of VSDDs for Improving Structural Health Monitoring," Journal of Engineering Mechanics, ASCE, in preparation.
E.A. Johnson and Y.-J. Lee‡, "Structured Model Reduction via LMIs for Structural Control and Monitoring," Structural Control and Health Monitoring, in preparation.
E.A. Johnson, T.S. Fu‡, S.F. Wojtkiewicz and L.A. Bergman, "FPK Solution Tool for SDOF SDEs and Application to Semiactive Control," Probabilistic Engineering Mechanics, in preparation.

Other Refereed Publications

L.A. Bergman, D.M. McFarland, J.K. Hall, E.A. Johnson, and A. Kareem, "Optimal Distribution of Tuned Mass Dampers in Wind-Sensitive Structures," in A.H-S. Ang, M. Shinozuka, and G.I. Schuëller (eds.), Structural Safety and Reliability: Proceedings of ICOSSAR '89, the 5th International Conference on Structural Safety and Reliability, San Francisco, August 7-11, 1989, ASME, New York, 1990, 95-102.
L.A. Bergman, S.F. Wojtkiewicz, E.A. Johnson, and B.F. Spencer, Jr., "Robust Numerical Solution of the Fokker-Planck Equation for Second Order Dynamical Systems Under Parametric and External White Noise Excitations" (invited), in W.H. Kliemann, W.F. Langford, and N. Sri Namachchivaya (eds.), Fields Institute Communications: Nonlinear Dynamics and Stochastic Mechanics, American Mathematical Society, Providence, 1996, 23-37. Presented at the International Symposium on Nonlinear Dynamics and Stochastic Mechanics, Fields Institute for Research in Mathematical Sciences, Waterloo, Ontario, Canada, August 28-September 1, 1993.
K. Gurley, A. Kareem, L.A. Bergman, E.A. Johnson and R.E. Klein, "Coupling Tall Buildings for Control of Response to Wind," in G.I. Schuëller, M. Shinozuka, and J.T.P. Yao (eds.), Structural Safety and Reliability: Proceedings of ICOSSAR '93, the 6th International Conference on Structural Safety and Reliability, Innsbruck, Austria, August 9-13, 1993, Balkema, Rotterdam, 1994, 1553-1560.
L.A. Bergman, S.F. Wojtkiewicz, E.A. Johnson, and B.F. Spencer, Jr., "Some Reflections on the Efficacy of Moment Closure Methods," in P.D. Spanos (ed.), Computational Stochastic Mechanics: Proceedings of the Second International Conference on Computational Stochastic Mechanics, Athens, Greece, June 13-15, 1994, Balkema, Rotterdam, 1995, 87-95.
E.A. Johnson, S.F. Wojtkiewicz, and L.A. Bergman, "Some Experiments with Massively Parallel Computation for Monte Carlo Simulation of Stochastic Dynamical Systems," in P.D. Spanos (ed.), Computational Stochastic Mechanics, Balkema, Rotterdam, 1995, 325-336. Presented at the Second International Conference on Computational Stochastic Mechanics, Athens, Greece, June 13-15, 1994.
E.A. Johnson, L.A. Bergman, D.E. Goldberg, and S.J. Dyke, "Monte Carlo Simulation of Dynamical Systems of Engineering Interest in a Massively Parallel Computing Environment: An Application of Genetic Algorithms" (invited), in A. Naess and S. Krenk, eds., IUTAM Symposium on Advances in Nonlinear Stochastic Mechanics, Kluwer, Dordrecht, 1996, 225-234. Presented at the IUTAM '95 Symposium on Advances in Nonlinear Stochastic Mechanics, Trondheim, Norway, July 3-7, 1995.
E.A. Johnson, P.G. Voulgaris, and L.A. Bergman, "Methods of System Identification for Monitoring Slowly Time-Varying Structural Systems," Intelligent Information Systems Conference (IIS'97), Grand Bahama Island, Bahamas, December 8-10, 1997. Proceedings (IEEE Computer Society, Los Alamitos, CA, 1997), 569-573.
E.A. Johnson, L.A. Bergman, and B.F. Spencer, Jr., "Intelligent Monte Carlo Simulation and Discrepancy Sensitivity," in P.D. Spanos (ed.), Computational Stochastic Mechanics, Balkema, Rotterdam, 1999, 31-39. Presented at the Third International Conference on Computational Stochastic Mechanics, Santorini, Greece, June 14-17, 1998.
S.F. Wojtkiewicz, E.A. Johnson, L.A. Bergman, M. Grigoriu, and B.F. Spencer, Jr., "Response of Stochastic Dynamical Systems Driven by Additive Gaussian and Poisson White Noises," in B.F. Spencer, Jr. and E.A. Johnson (eds.), Stochastic Structural Dynamics, Balkema, Rotterdam, 1999, 53-60.
S.F. Wojtkiewicz, L.A. Bergman, B.F. Spencer, Jr., and E.A. Johnson, "Numerical Solution of the Four-Dimensional Nonstationary Fokker-Planck Equation," in S. Narayanan and R.N. Iyengar (eds.), Nonlinearity and Stochastic Structural Dynamics, Kluwer Academic Publishers, Dordrecht, 2001, 277-288. Invited paper presented at the IUTAM Symposium on Nonlinearity and Stochastic Structural Dynamics, Indian Institute of Technology (Madras), Chennai, India, January 4-8, 1999.
E.A. Johnson, "Nonlinear Seismic Benchmark Problem: Dissipativity and the 9-Story Benchmark Building," Second European Conference on Structural Control (2ECSC), Champs-sur-Marne, France, July 3-6, 2000.
E.A. Johnson, H.F. Lam, L.S. Katafygiotis, and J.L. Beck, "A Benchmark Problem for Structural Health Monitoring and Damage Detection," in F. Casciati and G. Magonette (eds.), Structural Control for Civil and Infrastructure Engineering, World Scientific, Singapore, 2001, 317-324. Presented at the Third International Workshop on Structural Control (3IWSC), Champs-sur-Marne, France, July 6-8, 2000.
E.A. Johnson, R.E. Christenson, and B.F. Spencer Jr., "Smart Stay Cable Damping -- Effects of Sag and Inclination," in R.B. Corotis, G.I. Schuëller, and M. Shinozuka (eds.), Structural Safety and Reliability: ICOSSAR '01, CD-ROM (file FI18H02.PDF, 8 pages), Swets & Zeitlinger, Lisse, Netherlands, 2002. Invited paper presented at the 8th International Conference on Structural Safety and Reliability (ICOSSAR '01), Newport Beach, California, June 17-23, 2001.
S.F. Wojtkiewicz, E.A. Johnson, and L.A. Bergman, "FPKTOOL: A Computational Framework for the Vibration of GWN-driven SDOF Systems," in R.B. Corotis, G.I. Schuëller, and M. Shinozuka (eds.), Structural Safety and Reliability: ICOSSAR '01, CD-ROM (file FI19H02.PDF, 8 pages), Swets & Zeitlinger, Lisse, Netherlands, 2002. Invited paper presented at the 8th International Conference on Structural Safety and Reliability (ICOSSAR '01), Newport Beach, California, June 17-23, 2001.
E.A. Johnson and B. Erkus‡, "Dissipative Control of Structures with a Nonlinear MR Damper Model," in N. Sri Namachchivaya and Y.K. Lin (eds.), Nonlinear Stochastic Dynamics, Solid Mechanics and Its Applications Vol. 110, Kluwer Academic Publishers, Dordrecht, 2003, 227-236. Invited paper presented at the IUTAM Symposium on Nonlinear Stochastic Dynamics, Urbana-Champaign, Illinois, August 25-31, 2002.
E.A. Johnson, S.F. Wojtkiewicz, and L.A. Bergman, "Simulation of Dynamical Systems via Adaptive Importance Sampling using Discrepancy Measures," in N. Sri Namachchivaya and Y.K. Lin (eds.), Nonlinear Stochastic Dynamics, Solid Mechanics and Its Applications Vol. 110, Kluwer Academic Publishers, Dordrecht, 2003, 425-434. Invited paper presented at the IUTAM Symposium on Nonlinear Stochastic Dynamics, Urbana-Champaign, Illinois, August 25-31, 2002.
M.I.S. Elmasry‡ and E.A. Johnson, "Health Monitoring of Structures under Ambient Vibrations using Semiactive Devices," Proceedings of the 2004 American Control Conference (ACC04), Boston, June 30 - July 2, 2004.
E.A. Johnson and B. Erkus‡, "Investigation of Dissipativity for Control of Smart Dampers via LMI Synthesis," 2005 American Control Conference (ACC05), Portland, Oregon, June 8-10, 2005.

Conference Proceedings (selected)

E.A. Johnson, J. Tzioufas, and L.A. Bergman, "Optimal Placement of Supports on a Simply Supported Plate," 34th AIAA Structures, Structural Dynamics, and Materials Conference, La Jolla, CA, April 19-22, 1993. AIAA-93-1437-CP. Proceedings, 1133-1142.
E.A. Johnson, "The Implementation of Continuously Updated Sharing in the Simple Genetic Algorithm Code, and its application to the Optimal Placement of Supports on a Simply Supported Plate," 35th AIAA Structures, Structural Dynamics, and Materials Conference, Hilton Head, SC, April 18-20, 1994. AIAA-94-1601-CP. Proceedings, 2276-2286.
E.A. Johnson, S.F. Wojtkiewicz, L.A. Bergman, and B.F. Spencer, Jr., "Observations with Regard to Massively Parallel Computation for Monte Carlo Simulation of Stochastic Dynamical Systems," Third International Conference on Stochastic Structural Dynamics, San Juan, Puerto Rico, January 15-18, 1995. Proceedings (H. Davoodi and A. Saffar, eds., University of Puerto Rico at Mayaguez, 1997), 7.61-7.73.
E.A. Johnson, L.A. Bergman, P.G. Voulgaris, and L.C. Freudinger, "Modal Filter Based On-line Monitoring of Uncertain Structural Systems," 11th ASCE Engineering Mechanics Specialty Conference, Fort Lauderdale, Florida, May 19-22, 1996. Proceedings (Y.K. Lin and T.C. Su, eds., ASCE, New York, 1996), 156-159.
E.A. Johnson, L.A. Bergman, and B.F. Spencer, Jr., "Monte Carlo Simulation of the Stochastic Beam-Beam Interaction Problem in Particle Accelerator Physics," 12th ASCE Engineering Mechanics Specialty Conference, La Jolla, California, May 17-20, 1998. Proceedings (H. Murakami and J.E. Luco, eds., ASCE, Reston, Virginia, 1998), 1457-1460.
E.A. Johnson, S.F. Wojtkiewicz, L.A. Bergman, and B.F. Spencer, Jr., "Finite Element and Finite Difference Solutions to the Transient Fokker-Planck Equation," Deutsches Elektronen-Synchrotron (DESY) report DESY-97-161 (A. Bazzani, J. Ellison, H. Mais, and G. Turchetti, eds., DESY, 1998), Proceedings of a Workshop: Nonlinear and Stochastic Beam Dynamics in Accelerators -- A Challenge to Theoretical and Computational Physics, Lüneburg, Germany, September 29 - October 3, 1997, 290-306.
E.A. Johnson, J.C. Ramallo‡, B.F. Spencer, Jr., and M.K. Sain, "Intelligent Base Isolation Systems," Second World Conference on Structural Control (2WCSC), Kyoto, Japan, June 28 - July 1, 1998. Proceedings (T. Kobori et al., eds., Wiley, 1999), vol. 1, 367-376.
B.F. Spencer, Jr., E.A. Johnson, and M.K. Sain, "Technological Frontiers of 'Smart' Protective Systems," Asia-Pacific Workshop on Seismic Design and Retrofit of Structures, Taipei, Taiwan, August 10-12, 1998. Proceedings (C.-H. Loh and J.-S. Hwang, eds.), 346-360.
J.C. Ramallo‡, E.A. Johnson, B.F. Spencer, Jr., and M.K. Sain, "Sistemas Inteligentes para el Aislamiento de Fundaciones" (i.e., "Intelligent Systems for the Isolation of Foundations"), Proceedings, XVI Jornadas Argentinas de Ingeniería Estructural, Buenos Aires, Argentina, September 22 - 25, 1998. CD-ROM Proceedings, 15 pages (in Spanish).
E.A. Johnson, B.F. Spencer, Jr., and Y. Fujino, "Semiactive Damping of Stay Cables: A Preliminary Study," 17th International Modal Analysis Conference (IMAC XVII), Kissimmee, Florida, February 8-11, 1999. Proceedings (Society for Experimental Mechanics, Bethel, Connecticut, 1999), 417-423.
B.F. Spencer, Jr., E.A. Johnson, and J.C. Ramallo‡, "'Smart' Fluid Dampers for Seismic Isolation," Proceedings of the US-Japan Workshop on Smart Materials and New Technologies for Improvement of Seismic Performance of Urban Structures, Kyoto, Japan, February 17-18, 1999.
E.A. Johnson, B.F. Spencer, Jr., and Y. Fujino, "Semi-active Control of Cable Vibration," JSME Dynamics and Design '99 Conference, Chiba, Japan, March 16-19, 1999. Proceedings, 153-156 (in Japanese).
B.F. Spencer, Jr., E.A. Johnson, and J.C. Ramallo‡, "'Smart' Isolation for Seismic Control," Pioneering International Symposium on Motion and Vibration Control in Mechatronics, Tokyo, Japan, April 6-7, 1999. Proceedings, 169-174.
J.C. Ramallo‡, E.A. Johnson, B.F. Spencer, Jr., and M.K. Sain, "Semiactive Building Base Isolation," 1999 American Control Conference, San Diego, California, June 2-4, 1999. Proceedings, 515-519.
G.A. Baker‡, E.A. Johnson, B.F. Spencer, Jr., and Y. Fujino, "Modeling and Semiactive Damping of Stay Cables," 13th ASCE Engineering Mechanics Division Conference, Johns Hopkins University, Baltimore, Maryland, June 13-16, 1999. CD-ROM Proceedings (N.P. Jones and R.G. Ghanem, eds.), 6 pages.
J.C. Ramallo‡, E.A. Johnson, B.F. Spencer, Jr., and M.K. Sain, "Effects of Semiactive Damping on the Response of Base-Isolated Buildings," 13th ASCE Engineering Mechanics Division Conference, Johns Hopkins University, Baltimore, Maryland, June 13-16, 1999. CD-ROM Proceedings (N.P. Jones and R.G. Ghanem, eds.), 6 pages.
G.A. Baker‡, E.A. Johnson, and B.F. Spencer, Jr., "Control Strategies for a Structural Control Benchmark Study: Verification by Experiment," 13th ASCE Engineering Mechanics Division Conference, Johns Hopkins University, Baltimore, Maryland, June 13-16, 1999. CD-ROM Proceedings (N.P. Jones and R.G. Ghanem, eds.), 6 pages.
R.E. Christenson, B.F. Spencer, Jr., and E.A. Johnson, "Coupled Building Control using Active and Smart Damping Strategies" in B.H.V Topping and B. Kumar (eds.), Optimization and Control in Civil and Structural Engineering, Civil-Comp Press, 1999, 187-195. Presented at the Fifth International Conference on The Application of Artificial Intelligence to Civil and Structural Engineering, Oxford, England, September 13-15, 1999.
E.A. Johnson, G.A. Baker‡, B.F. Spencer, Jr., and Y. Fujino, "Mitigating Stay Cable Oscillation using Semiactive Damping," Smart Structures and Materials 2000: Smart Systems for Bridges, Structures, and Highways (S.C. Liu, ed.), Proceedings of SPIE Vol. 3988, 207-216. Presented at the 7th SPIE Annual International Symposium on Smart Structures and Materials, Newport Beach, California, March 5-9, 2000.
R.E. Christenson, B.F. Spencer, Jr., E.A. Johnson, and K. Seto, "Coupled Building Control using 'Smart' Damping Strategies," Smart Structures and Materials 2000: Smart Structures and Integrated Systems (N.M. Wereley, ed.), Proceedings of SPIE Vol. 3985, 482-490.
J.C. Ramallo‡, E.A. Johnson, B.F. Spencer, Jr., and M.K. Sain, "Semiactive Base Isolation Systems," ASCE 2000 Structures Congress: Advanced Technology in Structural Engineering, Philadelphia, Pennsylvania, May 8-10, 2000. CD-ROM Proceedings (M. Elgaaly, ed.), paper number 40492-005-002, 8 pages.
J.C. Ramallo‡, E.A. Johnson, and B.F. Spencer, Jr., "'Smart' Isolation for Seismic Control," 14th ASCE Engineering Mechanics Conference (EM2000), Austin, Texas, May 21-24, 2000. CD-ROM Proceedings (J.L. Tassoulas, ed.), paper JCRAMALO.PDF, 6 pages.
S.J. Dyke, J.M. Caicedo, and E.A. Johnson, "Monitoring of a Benchmark Structure for Damage Detection," 14th ASCE Engineering Mechanics Conference (EM2000), Austin, Texas, May 21-24, 2000. CD-ROM Proceedings (J.L. Tassoulas, ed.), paper SDYKE_1.PDF, 6 pages.
E.A. Johnson, H.F. Lam, L.S. Katafygiotis, and J.L. Beck, "A Benchmark Problem for Structural Health Monitoring and Damage Detection," 14th ASCE Engineering Mechanics Conference (EM2000), Austin, Texas, May 21-24, 2000. CD-ROM Proceedings (J.L. Tassoulas, ed.), paper EAJOHN.PDF, 6 pages.
E.A. Johnson, R.E. Christenson, and B.F. Spencer, Jr., "Semiactive Damping of Cables with Sag," Proceedings of the International Conference on Advances in Structural Dynamics (ASD2000) (J.M. Ko and Y.L. Xu, eds.), Hong Kong, December 13-15, 2000, 327-334.
J.M. Caicedo, S.J. Dyke, and E.A. Johnson, "Health Monitoring Based on Component Transfer Functions," Proceedings of the International Conference on Advances in Structural Dynamics (ASD2000) (J.M. Ko and Y.L. Xu, eds.), Hong Kong, December 13-15, 2000, vol. 2, 997-1004.
B.F. Spencer, H. Yoshioka, J.C. Ramallo‡ and E.A. Johnson, "'Smart' Base Isolation Systems: Theory And Experiments," in B.F. Spencer, Jr., and Y.X. Xu (eds.), Earthquake Engineering Frontiers in the New Millennium, A.A. Balkema Publishers, Netherlands, 2001, 259-265. Presented at the China-US Millennium Symposium on Earthquake Engineering, Beijing, China, November 2000.
R.E. Christenson, B.F. Spencer, Jr., and E.A. Johnson, "Experimental Verification of Semiactive Damping of Cables with Sag" (invited), 2001 American Control Conference (ACC01), Arlington, Virginia, June 25-27, 2001. Proceedings, 5058-5063.
E.A. Johnson, H.F. Lam, L.S. Katafygiotis, and J.L. Beck, "A Simulated Data Benchmark Problem in Structural Health Monitoring," in F.-K. Chang (ed.), Structural Health Monitoring: the Demands and Challenges, CRC Press, New York, 2002, 469-477. Scheduled for presentation at the Third International Workshop on Structural Health Monitoring (3IWSHM), Stanford University, Stanford, California, September 12-14, 2001; not presented due to September 11, 2001.
E.A. Johnson, R.B. Corotis, and G.I. Schuëller, "Computational Challenges and Breakthroughs: A Panel Discussion," in R.B. Corotis, G.I. Schuëller, and M. Shinozuka (eds.), Structural Safety and Reliability: ICOSSAR '01, CD-ROM (file FD3.PDF, 8 pages), Swets & Zeitlinger, Lisse, Netherlands, 2002.
S. Narasimhan, S. Nagarajaiah, H. Gavin, and E.A. Johnson, "Benchmark Problem for Control of Base Isolated Buildings," Third World Conference on Structural Control (3WCSC), Como, Italy, April 7-11, 2002. Proceedings (F. Casciati, ed., Wiley, 2003), vol 2., 349-354.
E.A. Johnson, "WG1 'Control Benchmark Activity'," Third World Conference on Structural Control (3WCSC), Como, Italy, April 7-11, 2002. Proceedings (F. Casciati, ed., Wiley, 2003), vol. 1, 259-264.
E.A. Johnson and S.F. Wojtkiewicz, "Use of Discrepancy Sensitivity in Uncertainty Quantification and Optimization," 4th AIAA Non-Deterministic Approaches Forum, 43rd AIAA/ASME/ASCE/AHS Structures, Structural Dynamics, and Materials Conference, Denver, Colorado, April 22-25, 2002, paper number AIAA-2002-1571.
E.A. Johnson and B. Erkus‡, "Structural Control with Dissipative Damping Devices" (invited), 2002 American Control Conference (ACC02), Anchorage, Alaska, May 8-10, 2002. Proceedings, 2463-2468. CD-ROM Proceedings, paper ACC02-2463, file 441.pdf.
M.I.S. Elmasry‡ and E.A. Johnson, "Parametric Frequency Domain Identification in Multiconfiguration Structures" (invited), 15th ASCE Engineering Mechanics Conference (EM2002), Columbia University, New York, New York, June 2-5, 2002. CD-ROM Proceedings (A. Smyth, ed.), paper 444.pdf, 8 pages.
E.A. Johnson and B. Erkus‡, "Structural Vibration Mitigation using Dissipative Smart Damping Devices" (invited), 15th ASCE Engineering Mechanics Conference (EM2002), Columbia University, New York, New York, June 2-5, 2002. CD-ROM Proceedings (A. Smyth, ed.), paper 442.pdf, 8 pages.
S. Narasimhan, S. Nagarajaiah, H. Gavin, and E.A. Johnson, "Benchmark Problem for Control of Base Isolated Buildings," 15th ASCE Engineering Mechanics Conference (EM2002), Columbia University, New York, New York, June 2-5, 2002. CD-ROM Proceedings (A. Smyth, ed.), paper 478.pdf, 8 pages.
S.F. Masri, J. Caffrey, R. Myrtle, R. Nigbor, M. Agbabian, E.A. Johnson, W. Petak, M. Shinozuka, R. Tranquada, and L.C. Wellford, "Nonstructural Mitigation in Hospitals: The FEMA-USC Hospital Project," 7th National Conference on Earthquake Engineering, Boston, Massachusetts, July 21-25, 2002.
S. Narasimhan, S. Nagarajaiah, E.A. Johnson and HP. Gavin, "Smart Base Isolated Building Benchmark Problem," 16th ASCE Engineering Mechanics Conference, University of Washington, Seattle, July 16-18, 2003.
B. Erkus‡ and E.A. Johnson, "Benchmark Base Isolated Building with Controlled Bilinear Isolation," 16th ASCE Engineering Mechanics Conference, University of Washington, Seattle, July 16-18, 2003.
S. Narasimhan, S. Nagarajaiah, E.A. Johnson and H.P. Gavin, "Smart Base Isolated Building Benchmark Problem," ASCE 2004 Structures Congress, Nashville, Tennessee, April 22-26, 2004.
B. Erkus‡ and E.A. Johnson, "A Control Design Methodology for the Benchmark Base Isolated Building with Bilinear Isolation," ASCE 2004 Structures Congress, Nashville, Tennessee, April 22-26, 2004.
E.A. Johnson and S.F. Wojtkiewicz, "Response Surface Characterization using Discrepancy Sensitivity," 9th ASCE EMD/SEI/AD Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability (PMC04), Albuquerque, NM, July 26-28, 2004.
T.S. Fu‡, E.A. Johnson and S.F. Wojtkiewicz, "FPKtool: a GUI for solving FPK equations for SDOF systems," 9th ASCE EMD/SEI/AD Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability (PMC04), Albuquerque, NM, July 26-28, 2004.
M.I. Elmasry‡, A.M. Au‡ and E.A. Johnson, "Improvements in Structural Parameter Identification for SHM using VSDDs," 9th ASCE EMD/SEI/AD Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability (PMC04), Albuquerque, NM, July 26-28, 2004.
Y.J. Lee‡ and E.A. Johnson, "LMI Model Reduction for Modeling and Control of Structures," 9th ASCE EMD/SEI/AD Joint Specialty Conference on Probabilistic Mechanics and Structural Reliability (PMC04), Albuquerque, NM, July 26-28, 2004.
S. Masri, J. Caffrey, R. Myrtle, R. Nigbor, M. Agbabian, E. Johnson, W. Petak, M. Shinozuka, F. Tasbihgoo, R. Tranquada and L. Wellford, "The FEMA-USC Hospital Project: Nonstructural Mitigation in Hospitals," 13th World Conference on Earthquake Engineering, Vancouver, B.C., Canada, August 1-6, 2004, paper #2480.
J. Caffrey, R. Govindan, E.A. Johnson, B. Krishnamachari, S. Masri, G. Sukhatme, K. Chintalapudi, K. Dantu, S. Rangwala, A. Sridharan, N. Xu and M. Zuniga, "Networked Sensing for Structural Health Monitoring," (4IWSC), Columbia University, NY, June 10-11, 2004. Proceedings (DEStech Publications, Lancaster, PA, 2005), 57-66.
B. Erkus‡ and E.A. Johnson, "Performance and Dissipativity Analysis of Semiactive Systems via LMI Synthesis," 4th International Conference on Structural Control (4IWSC), Columbia University, NY, June 10-11, 2004. Proceedings (DEStech Publications, Lancaster, PA, 2005), 85-90.
S. Narasimhan, S. Nagarajaiah, E.A. Johnson and HP. Gavin, "Smart Base Isolated Benchmark Building Part I: Problem Definition," 4th International Conference on Structural Control (4IWSC), Columbia University, NY, June 10-11, 2004. Proceedings (DEStech Publications, Lancaster, PA, 2005), 97-102.
E.A. Johnson, J.L. Beck, L. Faravelli and A. Mita, "Future Directions for Structural Health Monitoring: Discussions of the Working Group 2," 4th International Conference on Structural Control (4IWSC), Columbia University, NY, June 10-11, 2004. Proceedings (DEStech Publications, Lancaster, PA, 2005), 177-181.
E.A. Johnson, "Discrepancy Sensitivity for Efficiently Choosing Computer Experiments," 2005 NSF Design, Service and Manufacturing Grantees and Research Conference, Scottsdale, AZ, January 3-6, 2005. CD-ROM proceedings, file 0331145_paper.pdf, 8 pages.
K. Chintalapudi‡, E.A. Johnson and R. Govindan, "Structural Damage Detection using Wireless Sensor-Actuator Networks," 13th Mediterranean Conference on Control and Automation, Cyprus, 27-29 June 2005.

Reports

E.A. Johnson, Firing-Induced Vibration of an Electromagnetic Railgun Rail, M.S. thesis, Department of Aeronautical and Astronautical Engineering, University of Illinois at Urbana-Champaign, August 1993.
E.A. Johnson, L.A. Bergman, and P.G. Voulgaris, On-line Modal State Monitoring of Slowly Time-Varying Structures, NASA CR 198057, October, 1997.
E.A. Johnson, On-line Monitoring, Control, and Reliability of Structural Dynamical Systems, Ph.D. dissertation, Department of Aeronautical and Astronautical Engineering, University of Illinois at Urbana-Champaign, October 1997.
E.A. Johnson, G.A. Baker‡, B.F. Spencer, Jr., and Y. Fujino, Semiactive Damping of Stay Cables Neglecting Sag, Technical Report No. USC-CE-01-EAJ1, Dept. of Civil and Environmental Engineering, University of Southern California, 2001.
E.A. Johnson, R.E. Christenson, and B.F. Spencer, Jr., Flat-Sag Cables with Semiactive Damping, Technical Report No. USC-CE-02-EAJ1, Dept. of Civil and Environmental Engineering, University of Southern California, 2002.
E.A. Johnson and M.I.S. Elmasry‡, Parametric Frequency Domain Identification using Variable Stiffness and Damping Devices, METRANS Report, Project 01-10, 2003.
L. Pearlman, M. D'Arcy, E.A. Johnson, C. Kesselman and P. Plaszczak, NEESgrid Teleoperation Control Protocol (NTCP). NEESgrid TR-2004-23, 2004.
E.A. Johnson, NTCPclient Toolbox for MATLAB. NEESgrid TR-2004-36, 2004.
E.A. Johnson, NTCPmplugin Toolbox for MATLAB. NEESgrid TR-2004-37, 2004.
E.A. Johnson, NTCPcommon Toolbox for MATLAB. NEESgrid TR-2004-53, 2004.
E.A. Johnson and M.I.S. Elmasry‡, Analytical and Experimental Structural System Identification using Variable Stiffness and Damping Devices, METRANS Report, Project 03-17, 2005.

Technical Seminars and Tutorials

Earthquake Engineering Laboratory, Department of Civil Engineering and Geological Sciences, University of Notre Dame, Summer 1992.
NASA Dryden Flight Research Center, Edwards, CA, July 11, 1996.
Department of Civil Engineering, University of Minnesota, April 1, 1997.
Department of Aerospace Engineering, Mississippi State University, May 5, 1997.
Department of Mechanical Engineering, Oregon State University, June 20, 1997.
Leopold-Franzens University of Innsbruck, Austria, October 9, 1997.
Institut für Mechanik, Leopold-Franzens University of Innsbruck, Austria, January 13, 1999.
Institute of Technical Mechanics, University of Karlsruhe, Germany, January 18, 1999.
Department of Civil Engineering, Johns Hopkins University, February 22, 1999.
Department of Civil and Environmental Engineering, University of Southern California, March 30, 1999.
Department of Mechanical Engineering, University of Delaware, April 12, 1999.
Department of Aerospace Engineering, Georgia Institute of Technology, May 21, 1999.
Department of Civil Engineering, California Institute of Technology, October 21, 1999.
Rusch Engineering Honors Colloquium, University of Southern California, January 28, 2000.
Department of Civil Engineering, University of California at Los Angeles, February 8, 2000.
Department of Civil and Environmental Engineering, University of California, Irvine, February 15, 2001.
Danish Center for Applied Mathematics and Mechanics, Technical University of Denmark, Lyngby, Denmark, May 7, 2001.
Department of Civil and Environmental Engineering, Princeton University, September 28, 2001.
Bridge and Structures Laboratory, Department of Civil Engineering, University of Tokyo, June 27, 2002.
Department of Mechanical Engineering, Nihon University, Tokyo, Japan, June 28, 2002.
Department of Civil Engineering, Waseda University, Tokyo, Japan, July 1, 2002.
Department of Mechanics, Technical University of Athens, Athens, Greece, November 7, 2003.
Department of Civil and Environmental Engineering, Cornell University, Ithaca, NY, February 19, 2004.

Page last updated by Erik A. Johnson (JohnsonE@usc.edu).