- Plenary Lecture, Kansas Power & Energy Conference 2021, Multi-input Multi-output ac Link Power Converter, Manhattan, KS, Apr. 19-20, 2021.
- Plenary Lecture, NSF Workshop on Future and Opportunities for Power Electronics in an Electrified Transportation Industry, Washington, DC, Oct. 18-19, 2018.
- Invited Webinar, IEEE Industry Applications Society, Nov. 1, 2017, Motivation for Magnetic Gear and Magnetically Geared Machines.
- Invited seminar, May 11, 2017, Seoul, South Korea, Hyundai Motor Co., Recent Advances in Electric Machines and Power Electronics at EMPE Lab.
- Invited Distinguished Colloquium Series Speaker, Apr. 28, 2017, ECE Dept., University of Maryland, College Park, MD, Compact Modular Medium Voltage Power Converters
- Invited Seminar, Apr. 5, 2017, College Station, TX, Texas A&M, ECE Dept.- Analog Group, Recent Advances in Electric Machines and Power Electronics at EMPE Lab.
- Invited seminar, Oct. 28, 2016, Dallas, TX, Unitron, Capacitor-less Power Converters.
- Invited seminar, Oct. 27, 2016, Dallas, TX, Texas Instruments Inc., Permanent Magnet Assisted Synchronous Reluctance Motors.
- Invited lecture, Feb. 17th, 2016, TVS Inc., Bengaluru, India, Recent Advances in Electric Machines.
- Invited lecture, Dec. 18th, 2014, Emerson Electric Motors, St. Louis, MO, Permanent Magnet Assisted Synchronous Reluctance Machines (PMa-SynRM),
- Invited lecture, IEEE PES General Meeting, July 27-31, 2014, National Harbor, MD, “Permanent Magnet Assisted Synchronous Reluctance Machine (PMa-SynRM) Design and Performance Analysis For Fan and Pump Applications’.
- Invited seminar, SMMA’14, April. 22-24, Fort Myers, FL, “Design of Ferrite Assisted Synchronous Reluctance Motor (Fa-SynRM) with Aluminum Conductors in Stator”.
- Invited seminar, Prairie View A&M University, Feb. 10, 2014, Prairie View, TX, “Recent Advances in Electric Machines and Power Electronics for Renewable Energy – Offshore Electric Power Grid”.
- Invited short course presented at the IEEE-APEC’13, March 17-21, 2013, Long Beach, CA, “ac-Link Universal Converters for Renewable energy and Transportation”.
- Invited seminar, University of Southern California, Los Angeles, CA, Jan. 11, 2013, “Recent Advances in Electric Machines and Power Electronics for Renewable Energy – Offshore Electric Power Grid”.
- Keynote Speaker, JMAG User Conference, Detroit, Oct. 16, 2012, “Magnetic Gears”.
- Invited seminar, University of Texas – San Antonio, Oct. 28, 2011, “Soft Switched High-Frequency Link dc/ac Converters for Subsea Applications”.
- Invited seminar, POSCO, Seoul, Korea, Aug. 19, 2011, “New Power Converters for Battery Energy Storage”.
- Invited seminar, Samsung Advanced Research Institute of Technology (SAIT), Seoul, Korea, Aug. 18, 2011, “Recent Advances in Electric Machines and Power Electronics at EMPE Lab”.
- Invited seminar, Korea Railroad Research Center (KRRI), Seoul, Korea, Aug. 18, 2011, “Recent Advances in Electric Machines and Power Electronics at EMPE Lab”.
- Invited seminar, LGC R&D Center, Seoul, Korea, Aug. 17, 2011, “Electric Motors for Electric and Hybrid Electric Vehicles”.
- Invited seminar, LG Electronics, Seoul, Korea, Aug. 17, 2011, “Electric Motors and Power Converters for Electric Vehicles”.
- Invited seminar, Hanyang University, Seoul, Korea, Aug. 16, 2011, “Recent Advances in Electric Machines and Power Electronics at EMPE Lab”.
- Invited seminar, Hyundai Motor Co., Seoul, Korea, Aug. 16, 2011, “Recent Advances in Electric Machines and Power Electronics at EMPE Lab”.
- Invited seminar, Rensselaer Polytechnic Institute, Troy, NY, Sep. 23, 2010, “Condition Monitoring and Fault Diagnosis of Electric Machines”.
- Invited seminar, GE Global Research Center, Niskayuna, NY, Sep 24, 2010, “High Frequency Power Converters”.
- Invited Tutorial, IEEE 2010 Energy Conversion Conference and Exposition (ECCE’10), Atlanta, GA, Sep. 12, 2010, “Design and Control of Permanent Magnet Machines for Geared and Gearless Applications”.
- Invited seminar, Solar Turbines, San Diego, CA, Aug. 20, 2010, “Electric Machines and Power Electronics Review”.
- Distinguished speaker, University of Texas – Arlington, March. 31, 2010, “Condition Monitoring and Fault Diagnosis of Electric Machines”.
- Invited seminar, General Electric Technology Center, Bangalore, India, March 8, 2010, “Recent Advances in Electric Machines Technologies”.
- Invited seminar, National Cheng Kung University, Tainan, Taiwan, Feb. 5, 2010, “A Novel Soft-Switched AC Link Converter”.
- Invited seminar, National Tshing Hua University, Hsinchu, Taiwan, Feb. 4, 2010, “Permanent Magnet Synchronous reluctance Machines”.
- Invited seminar, National Central University, Taoyuan, Taiwan, Feb. 3, 2010, “Fault Diagnosis and Condition Monitoring of Electric Machines”.
- Invited seminar, PSERC, “Recent Advances in Electric Energy Conversion and Storage,” Sep. 1, 2009.
- Invited seminar, Northeastern University, Boston, MA, May 26, 2009, “Energy Conversions, Transmissions, and Storage”.
- Panelist, IEEE-IECON’08, Nov. 10-13, 2008, Orlando, FL, “Recent Advances and Applications of Power Electronics and Motor Drives”.
- Keynote speaker, International Conference in Electric Machines and Systems (ICEMS’08), Oct. 17-19, 2008, Wuhan, China.
- Invited seminar, Tsinghua University, Beijing, China, Oct. 15, 2008, “Advanced Electric Machines and Power Electronics Lab at TAMU”.
- Invited seminar, Ferdowsi University, Mashhad, Iran, June 1, 2008, “Advances in Power Electronics and Electric Machines”.
- Invited seminar, San Diego State University, San Diego, CA, April 15, 2008, “Recent Advances in Electric Machines and Power Electronics”.
- Invited seminar, General Atomics, San Diego, CA, April 14, 2008, “Recent Advances in Electric Machines and Power Electronics”.
- Invited seminar, University of Denver, Denver, CO, April 7-8, 2008, “Recent Advances in Electric Machines and Power Electronics”.
- Invited seminar, North Carolina University, Raleigh, NC, March 27, 2008, “Recent Advances in Electric Machines and Power Electronics”.
- Invited seminar, Northeastern University, Boston, MA, March 19, 2008, “Recent Advances in Electric Machines and Power Electronics”.
- Invited seminar at RDECOM Power & Energy IPT, Tactical Electronics and Rotating Machinery Workshop, 23-24 January 2008, “Feasibility Study of Novel Permanent Magnet Assisted Synchronous Reluctance Generators (PMa-SynRG)”.
- Invited seminar at TECO-Westinghouse, Round Rock, TX, November 20, 2007, “Research Activities at EMPE Lab”.
- Invited seminar at European Airspace and Defense Systems (EADS), Munich, Germany, May 25, 2007, “Fault Tolerant Motor Drives”, Munich, Germany.
- Invited tutorial at PCIM’07, Nuremberg, Germany, May 21, 2007, “Condition Monitoring, Fault Diagnosis, and Fault Tolerant Electric Motor Drives”.
- Invited seminar at Black & Decker Company, Baltimore, MD, May 14, 2007, “Design and Performance Improvement of Electromechanical Devices”.
- Invited seminar at United Technology Research Center (UTRC), Hartford, Connecticut, March 14, 2007, “Recent Advances in Modern Electric Machines and Power Electronics Converters”.
- Invited short course presented at the Army Research Lab (TARDEC), Jan. 10, 2007, Detroit, MI, “Vehicle Electric Power Generation and Distribution”.
- Invited seminar, King Mongkut Institute of Technology at Ladkrabang, Bangkok, Thailand, Dec. 15, 2006, “Recent Advances in Modern Electric Machines and Power Electronics Converters”.
- Invited seminar, Chiang Mai University, Chiang Mai, Thailand, Dec. 13, 2006, “Research Activities at Advanced Electric Machines & Power Electronics Laboratory of Texas A&M University”.
- Keynote Speaker, Ansoft Leading Insight – Application Workshops for High-Performance Design, Detroit, Oct. 24, 2006.
- Invited seminar, Air Force Research Lab, Albuquerque, NM, July 25, 2006, “Flywheel Energy Storage Systems, Condition Monitoring, Fault Diagnosis, and Fault Tolerant Electric Drives”.
- Invited seminar, Drexel University, Philadelphia, PA, April 13, 2006, “Recent Advances in Power Electronics and Motor Drives”.
- Invited seminar, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil, April 1, 2006, “Flywheel Energy Storage Systems”.
- Invited seminar, Federal University of Santa Catarina, Florianopolis, Brazil, March 30, 2006, “Flywheel Energy Storage Systems”.
- Invited short course, WEG Industries, Jaragua del Sol, Brazil, March 28, 2006, “Permanent Magnet Assisted Synchronous Reluctance Motors for Low Cost Applications”.
- Invited seminar, WEG Industries, Jaragua del Sol, Brazil, March 27, 2006, “Flywheel Energy Storage Systems, for Land/Sea/Space Applications”.
- Invited seminar, Oregon State University, Corvallis, OR, March 17, 2006, “Flywheel Energy Storage Systems”.
- Invited short course presented at the Army Research Lab (TARDEC), Jan. 9, 2006, Detroit, MI, “Flywheel Energy Storage Systems, for Land/Sea/Space Applications”.
- Invited seminar, Universidad de Concepcion, Concepcion, Chile, Nov. 24-25, 2005, “Permanent Magnet Assisted Synchronous reluctance Motor Design and Performance Improvement” and “Design and Analysis of Three-Phase AC/AC Power Converters for AC Drives and Utility Interface”.
- Invited seminar, Universidad Tecnica Federico Santa Maria, Valparaiso, Chile, Nov. 28, 2005, “Recent Advances in Electric Machines & Power Converters in Advanced Electric Machines & Power Electronics Laboratory”.
- Invited seminar, University of Tehran, Tehran, Iran, Dec. 7, 2004, “Fault Tolerant Motor Drives for Hybrid Electric Vehicle Applications”.
- Invited seminar, Power System Conference (PSC’04), Tehran, Iran, Nov. 22-24, 2004, “Recent Advances in Wind Power Generations”.
- Invited lecture, LG Electronics, Home Appliance Research Laboratory, Seoul, Korea. Oct. 22, 2004, “Wind Power Generators and Converters”.
- Invited lecture, Korea University, Seoul, Korea, Oct. 22, 2004, “Fault Diagnosis of Electric Machines”.
- Invited lecture, Chungbuk University, Cheongju, Korea, Oct. 21, 2004, “Fault Diagnosis of Electric Machines”.
- Invited lecture, Pohang Technical University, Pohang, Korea, Oct. 19, 2004, “Fault Diagnosis and Fault Tolerant Electric Motor Drives”.
- Invited lecture, Pusan National University, Busan, Korea, Oct. 19, 2004, “Fault Diagnosis of Electric Machines”.
- Invited short course presented at 2004 International Conference on Power Electronics (ICPE’04), Oct. 18-22, Busan, Korea, “Fault Diagnosis and Fault Tolerant Electric Motor Drives”.
- Invited lecture, Illinois Institute of Technology, April 30, 2004, Chicago, IL, “A Novel Integrated Alternator/Active Filter for Wind Power Applications”.
- Invited lecture, University of Missouri-Rolla, April 28, 2004, Rolla, MO, “Fault Tolerant Matrix Converters”.
- Invited short course presented at the Army Research Lab (TARDEC), Jan. 14, 2004, Detroit, MI, “Reconfigurable Motor Drives and Power Electronics Based Architectures for Military Vehicles”.
- Invited short course presented at the IEEE-IECON’03, November 2-6, 2003, Roanoke, VA, “Applications of Power Electronics in Automotive Industry: State of the Art and Future Possibilities”.
- Invited lecture, Hyundai Motor Company, Advanced Technology Center, Seoul, Korea, July 16, 2003.
- Invited lecture, LG Electronics, Home Appliance Research Laboratory, Seoul Korea. July 15, 2003.
- Invited lecture, Samsung Electronics, Digital Appliance Research Laboratory, Seoul, Korea, July 16, 2003.
- Invited short course, Korean Agency for Technology and Standards (ATS), Seoul, Korea, July 14, 2003.
- Invited lecture, Korea Electronics Technology Institute (KETI), Seoul, Korea, July 14, 2003.
- Invited lecture, Korea Electric Research Institute (KERI), Seoul, Korea, July 18, 2003.
- Invited short course presented at the IEEE-APEC’03, February 9-13, 2003, Miami Beach, FL, “Synthesis of Advanced Control Methodologies for High Grade Adjustable Speed Motor Drives: Theory and Applications”.
- Invited short course presented at the Army Research Lab (TARDEC), Dec. 5, 2002, Detroit, MI, “Condition Monitoring and Fault Diagnosis of Electric Machines and Fault Tolerant Electric Machinery”.
- Invited short course presented at the IEEE-IECON’02, November 5-8, 2002, Seville, Spain, “Integration of Advanced Motion Control Devices in automotive Products: Design in the Context of the Application.
- Invited short course presented at the IEEE-IAS, October 13-17, 2002, Pittsburgh, PA, “Selection, Design, and Control of Adjustable Speed Motor Drives for Stressful & Fault Tolerant Applications”.
- Invited short course presented at the IEEE Applied Power Electronics Conference and Exposition, March 10-14, 2002, Dallas, TX, “Sensorless Control of Adjustable Speed Motor Drives: State of the Art and Recent Advances”
- Invited short course at Copeland Corporation, Sidney, OH, November 2, 2001, “Fault Diagnosis of Electric Machines”.
- Invited short course presented at the IEEE Applied Power Electronics Conference and Exposition, March 4-8, 2001, Anaheim, CA, “Current Intensive Motor Drives: A New Challenge in Automotive Applications”
- Invited Tutorial at 2nd International Conference on Power Electronics Drives and Energy Systems for Industrial Growth, IEEE-PEDES’98, Perth, Australia, 1-3 Dec., “Condition Monitoring and Fault Diagnosis of Electric Machines & Transformers”.
- Invited Seminar at Small Motors & Motion Association, Nashville, TN, Nov. 12, 1998, “Adjustable Speed AC Motor Drives: Application Problems and Solutions”.
- Invited short course at Reliance Electric, Cleveland, OH, March 27, 1997, “Fault Diagnosis of Electric Machines”.
- Invited short course at Whirlpool Co, Benton Harbor, MI, Dec. 5-6, 1996, “Permanent Magnet Motors”.
- Invited short course at Texas Instruments INC., Dallas, TX, Jan. 26, 1996, “Switched Reluctance Motor Drives”.
- Invited short course at LeTourneau Inc., Longview, TX, Jan. 12, 1996, “Design and Control of Switched Reluctance Motors”.
- Invited short course at General Motors Mesa Desert Proving Ground, Phoenix, AZ, Oct. 27, 1995, “Electric Drives for Electric and Hybrid Vehicles”.
- Invited short course at General Motors Milford Proving Ground, Detroit, MI, Sep. 8, 1995, “Electric Drives for Electric and Hybrid Vehicles”.
- Invited short course at IEEE Applied Power Electronics Conference and Exposition, March 4, 1995, Dallas, “Electric Drives for Electric and Hybrid Vehicles”.
- Invited Speaker at IEEE Industry Applications Society, Dallas Section, “Power electronics and Electric Machines-A Technology Review, Feb. 21, 1995.