Assistant Professor

Degrees with fields, institutions and dates

• Ph.D., Mechanical Engineering; Virginia Tech, 2003.
• MS, Mechanical Engineering, South Dakota State University, 1999.
• BE, Mechanical Engineering, Chungnam National University, Daejon, Korea, 1998.

Years service on this faculty, including date of original appointment and dates of advancement in rank.

• Assistant Professor, 2005-present

Other related experience-teaching, industrial

• Visiting Assistant Professor – Rowan University, Glassboro, NJ September 2004- June 2005
• Research Associate – Advanced Vehicle Dynamics Laboratory, Virginia Tech, August 2003-August 2004

Principal publications

Peer-reviewed journals

• J.H. Koo, F. Goncalves and M. Ahmadian, "A Comprehensive Response Time Analysis of Magneto-Rheological Fluid Dampers" Smart Materials and Structures 15, 2006, 351-358.
• J.H. Koo, F. Goncalves and M. Ahmadian, "A Review of the State of Art in MR Fluid Technologies: Part I: MR Fluid and MR Fluid Models" The Shock and Vibration Digest, Vol 38, No 3, May 2006, 203-219.
• J.H. Koo, M. Ahmadian and M. Setarch, "Experimental Robustness Analysis of MR Semi-Active Tuned Vibration Absorbers Subject to Mass Off-tuning" Journal of Vibration and Acoustics - Transactions of the ASME Vol 128, Feb 2006, 126-131.
• M. Elahinia, J. H. Koo, M. Ahmadian, and C. Woolsey, “Backstepping Control of an SMA Actuated Robotic Arm” Journal of Vibration and Control, Vol. 11, No. 3, pp.
• J. H. Koo, M. Ahmadian, M. Setareh, and T. Murray, “In Search of Suitable Control Methods for Semi-Active Tuned Vibration Absorbers,” Journal of Vibration and Control, Vol. 10, No. 2, pp 163-174 February, 2004.
• J. H. Koo, and M. Ahmadian, “A Qualitative Analysis of Groundhook Tuned Vibration Absorbers for Controlling Structural Vibrations,” Proceedings of the IMECHE Part K Journal of Multi-body Dynamics, Vol. 216, No. 4, pp. 351-359, 2002.

Peer-reviewed conference proceedings

• J.H. Koo, F. Goncalves, and H. Zhang, “Teaching Tuned Vibration Absorbers in Undergraduate Engineering Education: Bridging Theory with Practice” ASEE Mid-Atlantic Section Spring 2005 Conference, April 15-16, 2005 Teaneck, NJ, USA.
• H. Zhang and J.H. Koo, “Development of a Wearable Mechatronic System for Human Motion Recognition” ASEE Mid-Atlantic Section Spring 2005 Conference, April 15-16, 2005 Teaneck, NJ, USA.
• M. Elahinia, J.H. Koo, Craig Woolsey, and M. Ahmadian, “Backstepping Control of an SMA Actuated Manipulator” Proceedings of IMECE 2004, Paper No. IMECE2004-60009, November, 14-19, 2004 in Anaheim, CA USA.
• M. Elahinia, J. H. Koo, and M. Ahmadian, “Robustness Analysis of Shape Memory Alloy Tuned Vibration Absorbers” Proceedings of IMECE 2004, Paper No. IMECE2004-60120, November, 14-19, 2004 in Anaheim, CA USA.
• J.H. Koo and M. Ahmadian, “Semi-Active Controller Dynamics in a Magneto-Rheological Tuned Vibration Absorber” Proceedings of SPIE 2005, Vol. 5760, pp. 69-76, March, 2005.
• M. Setareh, J.K. Ritchey, T.M. Murray, J.H. Koo and M. Ahmadian, “An Analytical Investigation of the Use of a Semi-Active Pendulum Tuned Mass Damper for Floor Vibration Control” The Seventh International Conference on Motion and Vibration Control, Paper No. 104, August 8 – 11, 2004, St. Louis, MO, USA.
• Koo, J. H., Elahinia, M. Ahmadian, M., and Woolsey, C. A., “Model-Based Nonlinear Control of an SMA-Actuated Robotic Arm: An Experimental Study,” Proceedings of the 10th Conference on Nonlinear Vibrations, Stability, and Dynamics of Structures, Blacksburg, Virginia, July 25 – 29, 2004.
• J. H. Koo, F. Goncalves, and M. Ahmadian, “Investigation of Response Time of Magneto-Rheological Dampers,” Proceedings of SPIE 2004, Smart Structures and Materials, March 14-18, 2004, San Diego, CA, USA.
• J. H. Koo, M. Ahmadian, and M. Setareh, “Robustness Analysis of Semi-Active Tuned Vibration Absorbers with Magneto-Rheological Dampers: An Experimental Study,” Proceedings of IMECE 2003, November, 16-21, 2003 in Washington DC, USA.
• J. H. Koo, and M. Ahmadian, “On the Application of Magneto-Rheological Dampers for Reducing Floor Vibrations,” 146 Meeting of the Acoustical Society of America, November, 10-14, 2003 in Austin Texas., USA.
• J. H. Koo, M. Ahmadian, and M. Setareh, “Experimental Dynamic Analysis of Magneto-Rheological Tuned Vibration Absorbers,” Proceedings of DETC 2003 19th Biennial Conference on Mechanical Vibration and Noise, September, 2-6, 2003 in Chicago, IL, USA.
• F. Goncalves, J. H. Koo, and M. Ahmadian, “Experimental Approach for Finding the Response Time of MR Dampers for Vehicle Applications,” DETC 2003 19th Biennial Conference on Mechanical Vibration and Noise, September, 2-6, 2003 in Chicago, IL, USA.
• J. H. Koo, M. Ahmadian, and M. Setareh, “Experimental Evaluation of Magneto-Rheological Dampers for Semi-Active Tuned Vibration Absorbers,” Proceedings of SPIE 2003, Smart Structures and Materials, Paper No 5052-12, March 2-6, 2003, San Diego, CA, USA.
• J. H. Koo, M. Ahmadian, M. Setareh, and T. Murray, “A Robust Semi-Active Tuned Vibration Absorber to Reduce Force-Excited Structures,” Proceedings of IMECE 2002, Nov. 17-22, 2002 in New Orleans, LA, USA.
• J. H. Koo, M. Ahmadian, M. Setareh, and T. Murray, “In Search of Suitable Control Methods for Semi-Active Tuned Vibration Absorbers,” Ninth Conference on Nonlinear Vibrations, Stability, and Dynamics of Structures, July 28 – August 1, 2002 in Blacksburg, VA, USA.
• J. H. Koo, M. Ahmadian, and M. Setareh, “Adaptability Analysis of Semi-Active Tuned Vibration Absorbers for Controlling Floor Vibrations,” US-Korea Conference on Science, Technology, and Entrepreneurship, July 8 - 11, 2002 in Seoul, Korea.
• J. H. Koo, and M. Ahmadian, “Dynamic Analysis of Semi-Active Tuned Vibration Absorbers Using Closed-Form Equivalent Models,” Proceedings of IMECE 2001, Nov. 11-16, 2001 in New York, NY, USA.

Scientific and Professional societies of which a member

• American Society of Mechanical Engineers
• American Society of Engineering Education
• Korean-American Scientists and Engineers Association

Honors and awards.

• Torgersen Research Excellence Award, Spring 2004, Virginia Tech
• Travel Grant, Spring 2003, ASME Dynamic Systems and Controls Division
• Travel Fund Program Grant, Fall 2002, Virginia Tech
• Graduate Research Development Project Grant, Spring 2002, Virginia Tech
• Korean Scientists and Engineers Association (KSEA) Fellowship, 2002.

Institutional and Professional Service

Miami University (These are some selected examples)

• Member, Search Committee, 2006-07
• Member, Petition Committee, 2006-present
• Member, Ad Hoc Committee, Revise 449 Senior Design Project preliminary and final report guides, spring 2006
• Member, Committee of the Department meeting once a week, 2005-present

National

• Reviewer, Journal of Vibration Control, Journal of Vibration and Acoustics, Shock and Vibration, Journal of Mechanical Engineering Science, ASME IMECE 2001, ASME IMECE 2005
• Session Chair, Smart Structures and Materials (SPIE 2005), March 2005.

Professional Development Activities

• Faculty Center for Excellence in Teaching & Learning Workshops, Rowan University, Spring 2005