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People

Curriculum Vita

Education

Ph.D.Mechanical Engineering, University of California, Berkeley, 1991
Doctoral Dissertation Title: A Framework for Analysis and Synthesis of Fuzzy Linguistic Control Systems
Research Advisors: Professor Masayoshi Tomizuka(Chair), Professor David Dornfeld,
Professor Lotfi A. Zadeh

M.Sc.Mechanical Engineering, University of California, Berkeley, 1983
Masters Project Title: CONPAC: A Real-time Operating Systems for Control Applications
Research Advisors: Professor David M. Auslander(Chair), Professor Masayoshi
Tomizuka, Professor David Dornfeld

B.Sc. Mechanical Engineering, University of California, Berkeley, 1980

Background

Professor Department of Mechanical Engineering, Texas A&M University, Effective September 1, 2004.
Associate Professor Department of Mechanical Engineering, Texas A&M University, September 1997–Present
Assistant Director Aerospace Vehicle Systems Institute(AVSI), and Chief Engineer Texas Engineering Experiment Station(TEES), May 2000 – Present. Served as Chief Engineer from May 2000 to March 2002 and appointed as Assistant Director and Chief Engineer in March 2002
Faculty Fellow NASA Ames Research Center, Moffett Field, California, June 2000–August 2000, June 2002–August 2002
Faculty Fellow The Boeing Company, Seattle, Washington and Long Beach, California, June 1999– August 1999
Assistant Professor Department of Mechanical Engineering, Texas A&M University, September 1991–August 1997
Research Engineer United Technologies Research Center, East Hartford, Connecticut, June 1997–August 1997
Research Scientist Rockwell International Science Center, Thousand Oaks, California, June 1993–August 1993
Research Engineer Engineering Systems Research Center(ESRC), University of California, Berkeley, January 1991-July 1991
Research Scientist Integrated Systems, Inc., Palo Alto, California, November 1985–December 1986
Staff Engineer Measurex Corporation, Cupertino, California, February 1984–November 1985

Research (Recent)
Development of Intelligent Rollover Warning and Control Systems for Tractor-Semitrailers, TAMU-CONACyT Collaborative Program, Sept. 1, 2002 - August 31 - 2003.

Development of System for Identifying Road Surface Condition using Free Space Optics, Texas Transportation Institute, Sept. 1, 2002 - August 31, 2003 (with R. Lytton as Co-PI.)

High Availability Automation Needs Analysis and Technology Assessment for Ultradeepwater E&P Operations, Research Partnership for Secure Energy for America (RPSEA), May 1, 2003 through December 31, 2003 (with Alex Parlos as Co-PI.)

Condition Based Monitoring for the H-60 Aircraft, Joint Council on Aging Aircraft (JCAA), June 1, 2004 through May 31, 2005, (joint project with Georgia Institute of Technology.)

Distinctions

IEEE Best Paper Award, IEEE Transactions on Fuzzy Systems, December 2001.
B.P. Amoco Award for Teaching Excellence, October 2001.
Bechtel Faculty Fellow in Mechanical Engineering, 2000-2001.
NASA Faculty Fellow, Ames Research Center, Summer 2000.
Boeing A.D. Welliver Fellow, Summer 1999.
ASME Student Section Overall Best Teacher Award, 1999.
Peggy L. and Charles L. Brittan ‘65, Award for Outstanding Undergraduate Teaching, Department of Mechanical Engineering, October 1998.
Texas A&M Association of Former Students Distinguished Teaching Award, September 1997.
TEES Young Investigator Awards, Texas Engineering Experiment Station, Texas A&M University System, September 1994.
CTE Teacher-Scholar Award, Center for Teaching Excellence (CTE), Texas A&M University, 1993.
Best Paper Award, Manufacturing Systems, International Conference on Robots and Systems (ISRAM ‘92), Santa Fe, New Mexico, November 1992.

Recent Publications
(Journals)
1. J-S. Won* and R. Langari, “Intelligent Energy Management Agent for a Parallel Hybrid Vehicle, Part I: System Architecture and Design of the Driving Situation Identification Process,” IEEE Transactions on Vehicular Technologies, (accepted for publication 05/04.)
2. J-S. Won* and R. Langari, “Intelligent Energy Management Agent for a Parallel Hybrid Vehicle, Part II: Torque Distribution and Charge Sustenance Strategies and Performance Results,” IEEE Transactions on Vehicular Technologies. (accepted for publication 06/04.)
3. J.-S. Won* and R. Langari and M. Ehsani, “Energy Management Strategy for a Parallel-Hybrid Vehicle via Multi-Objective Optimization”, IEEE Transactions on Control Systems Technology (submitted 11/02, revised and resubmitted 07/03, accepted 03/04.)
4. H. Moghbelli, K. Ganapavarapu*, R. Langari, and M. Ehsani, “A Comparative Review of Fuel Cell Vehicles (FCVs) and Hybrid Electric Vehicles (HEVs) Part I: Performance and Parameter Characteristics, Emissions, Well-to-Wheels Efficiency and fuel economy, Alternative fuels, Hybridization of FCV,” SAE Transactions: Journal of Engines, Paper ID 2003-01-2298, September 2004 (to appear.)
5. H. Moghbelli, K. Ganapavarapu*, R. Langari, and M. Ehsani, “A Comparative Review of Fuel Cell Vehicles (FCVs) and Hybrid Electric Vehicles (HEVs) Part II: Control Strategies, Power Train, Total Cost, Infrastructure, New Developments, and Manufacturing & Commercialization,” SAE Transactions: Journal of Engines, Paper ID 2003-01-2299, September 2004 (to appear.)
6. J.-S. Won* and R. Langari, “A Driving Sitaution Awareness-based Energy Management Strategy for Parallel Hybrid Vehicle,” SAE Transactions: Journal of Passenger Vehicles, Paper ID 2003-01-2311, September 2004 (to appear.).
7. E. B. Smith* and R. Langari, “Fuzzy Multi-Objective Decision Making for Navigation and Motion Control in Mobile Robotics,” International Journal of Intelligent and Fuzzy Systems, Vol. 14, No. 2, pp. 95-108, March 2004.
8. B. Vijayakumar*, C. Temponi and R. Langari, “GA Based Engineering Design Optimization using Fuzzy Constraints and Fitness Functions,” International Journal of Smart Engineering System Design, Vol. 5, pp. 375-388, 2003.
9. Y. J. Lin*, S. Suh, R. Langari, and S. Noah, “On the Characteristics and Mechanism of Rolling Instability and Chatter,” ASME Journal of Manufacturing Science and Engineering Vol. 125, No. 4, pp 778-786,