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Phd Students

Keunsoo Ha

Keunsoo Ha

Keunsoo Ha

Keunsoo Ha received the B.S. and M.S. degree in Electrical and Control Engineering from Hong-Ik University, Seoul, Korea in 1993 and 1995, respectively. He is currently a PhD student at Virginia Tech since 2002.

In 1995, he worked at Korea Electronics Technology Institute, in Precision Machinery Research Center, where he had been a senior researcher for two years and researched in developing BLDCM drives for household air-conditioners, refrigerator fans, step motor controllers for car dashboard and linear motor drivers for machine tools.

His research interests include electric motor drives, power electronics, and his principal research concerns the sensorless control of switched reluctance motor. He is the recipient of the third prize paper award and the first prize paper award from the Industrial Drives Committee of the IEEE Industrial Applications Society in 2005 and 2007 respectively.

Publications

Journals

  1. K. Ha, C. Lee, J. Kim, R. Krishnan and S. G. Oh, "Design and Development of Low-Cost and High-Efficiency Variable-Speed Drive System With Switched Reluctance Motor," IEEE Transactions on Industry Applications, Vol. 43, No. 3, May-June 2007.
  2. R. Krishnan, S. Y. Park and K. Ha, "Theory and operation of a four quadrant switched reluctance motor drive with a single controllable switch- the lowest cost four quadrant brushless motor drive," IEEE Transactions on Industry Applications, Vol. 41, July 2005.

Conference

  1. K. Ha, C. Lee, J. Kim, R. Krishnan and S. G. Oh, "Design and Development of Low-Cost and High-Efficiency Variable-Speed Drive System With Switched Reluctance Motor," in Proc. IEEE Industry Applications Conference, Vol. 4, Oct. 2006. First Prize Paper Award
  2. K. Ha, S. G. Oh, B. MacCleery and R. Krishnan, " An automated reconfigurable FPGA-based magnetic characterization of switched reluctance machines," in Proc. IEEE International Symposium on Industrial Electronics, Vol. 2, June 2005.
  3. R. Krishnan, S. Y. Park and K. Ha, "Theory and operation of a four quadrant switched reluctance motor drive with a single controllable switch- the lowest cost four quadrant brushless motor drive," in Proc. IEEE Industry Applications Conference, Oct. 2004. Third Prize Paper Award

Technical Reports

  1. K. Ha, “NI CompactRIO and LabVIEW FPGA Measure Magnetization Characteristics of the SR Machine”, National Instruments Customer Solutions, 2004
  2. K. Ha, “Real-Time Control of a Switched Reluctance Motor Using NI LabVIEW FPGA and CompactRIO”, National Instruments Customer Solutions, 2004