Papers

Y. Hwang and P. Jang, “New RDC Method Using Trapezoidal Excitation Signal Considering Resolver Nonlinearity,” in IEEE Transactions on Instrumentation and Measurement, vol. 72, pp. 1-9, 2023, Art no. 9000709, doi: 10.1109/TIM.2023.3238022.

Y. Hwang and J. Kim, “Analysis and Elimination of Speed Measurement Ripple in Sinusoidal Coded Gearwheel Encoder for Spindle Motor Drive,” in IEEE Transactions on Industrial Electronics, vol. 70, no. 8, pp. 7664-7672, Aug. 2023, doi: 10.1109/TIE.2022.3210507.

B. Jung, P. Jang, K. Nam and Y. Kim, “Overmodulation Strategy for Torque Balance of Dual-Motor Systems Considering Angle Offset,” in IEEE Transactions on Industry Applications, vol. 58, no. 6, pp. 6869-6878, Nov.-Dec. 2022, doi: 10.1109/TIA.2022.3198382.

P. Jang, T. Lee, Y. Hwang and K. Nam, “Quadrature Demodulation Method for Resolver Signal Processing Under Different Sampling Rate,” in IEEE Access, vol. 10, pp. 7016-7024, 2022, doi: 10.1109/ACCESS.2021.3136770.

B. Jung, T. Lee and K. Nam, “Overmodulation Strategy for Voltage Source Inverter With a Single DC-Link Current Sensor,” in IEEE Transactions on Industry Applications, vol. 58, no. 1, pp. 531-540, Jan.-Feb. 2022, doi: 10.1109/TIA.2021.3128585.

W. Lee, J. Kim, P. Jang and K. Nam, “On-Line MTPA Control Method for Synchronous Reluctance Motor,” in IEEE Transactions on Industry Applications, vol. 58, no. 1, pp. 356-364, Jan.-Feb. 2022, doi: 10.1109/TIA.2021.3128468.

T. Lee, H. Lee, P. Jang, Y. Hwang and K. Nam, “Position Fault Detection for UAM Motor With Seamless Transition,” in IEEE Access, vol. 9, pp. 168042-168051, 2021, doi: 10.1109/ACCESS.2021.3134911.

T. Lee, H. Lee, P. Jang, Y. Hwang and K. Nam, “Position Fault Detection for UAM Motor With Seamless Transition,” in IEEE Access, vol. 9, pp. 168042-168051, 2021, doi: 10.1109/ACCESS.2021.3134911.

B. Koo, J. Kim and K. Nam, “Halbach Array PM Machine Design for High Speed Dynamo Motor,” in IEEE Transactions on Magnetics, vol. 57, no. 2, pp. 1-5, Feb. 2021, Art no. 8202105, doi: 10.1109/TMAG.2020.3022894.

M. Lee, B. Koo and K. Nam, “Analytic Optimization of the Halbach Array Slotless Motor Considering Stator Yoke Saturation,” in IEEE Transactions on Magnetics, vol. 57, no. 2, pp. 1-6, Feb. 2021, Art no. 8200806, doi: 10.1109/TMAG.2020.3019353.

Lee, Minhyeok, Yunkyung Hwang, and Kwanghee Nam. 2021. “Torque Ripple Minimizing of Uniform Slot Machines with Delta Rotor via Subdomain Analysis” Energies 14, no. 21: 7390.

J. Lee and K. Nam, “A Power Circulation Method Using Two Frequencies in Motor Emulator System,” in IEEE Transactions on Energy Conversion, vol. 35, no. 4, pp. 1868-1876, Dec. 2020, doi: 10.1109/TEC.2020.2998090.

Yoonjae Kim, Bonkil Koo, Kwanghee Nam, “Induction Motor Design Strategy for Wide Constant Power Speed Range”, IEEE Transactions on Industrial Electronics, vol. 66, no. 11, pp. 8371-8381, Nov. 2019

Heekwang Lee, Seungmin Hong, Jongwon Choi, Kwanghee Nam, Jaehong Kim, “Sector-Based Analytic Overmodulation Method”, IEEE Transactions on Industrial Electronics, vol. 66, no. 10, pp. 7624-7632, Oct. 2019

Jongwon Choi, Kwanghee Nam, Alexey A. Bobtsov, Romeo Ortega, “Sensorless Control of IPMSM Based on Regression Meodel”, IEEE Transactions on Power Electronics, vol. 34, no. 9, pp. 9191-9201, Sept. 2019

Hee-Kwang Lee, Kwang-Hee Nam, “Online Overshoot Suppression Method for EV Propulsion Motor Considering Cross-Coupled Inductance”, IEEE Transactions on Power Electronics, vol. 65, no. 12, pp. 9255-9265, Dec. 2018

M. L. Woldesemayat, H. Lee, S. Won and K. Nam “Modeling and Verification of Six-Phase Interior Permanent Magnet Synchronous Motor,” IEEE Transactions on Power Electronics, vol. 33, no. 10, pp. 8661-8671. Oct. 2018

Hee-Kwang, Lee; Muluneh Woldesemayat; Kwanghee Nam; “Zero Torque Control for EV Coasting Considering Cross Coupling Inductance,” IEEE Transactions on Industrial Electronics, vol. 64, no. 8, pp. 6096-6104, Aug. 2017

Jong-Won, Choi; Kwanghee Nam; Alexey A. Bobstov; Anton Pyrkin; Romeo Ortega; “Robust Adaptive Sensorless Control for Permanent-Magnet Synchronous Motors,” IEEE Transactions on Power Electronics, vol. 32, no. 5, May 2017

Y. Kim and K. Nam; “Copper-Loss-Minimizing Field Current Control Scheme for Wound Synchronous Machines,” IEEE Transactions on Power Electronics, vol. 32, no. 2, pp. 1335-1345, Feb. 2017.

Kim, J; Jeong, I; Nam, K; Yang J; Hwang, T; “Sensorless Control of PMSM in a High-Speed Region Considering Iron Loss,”  IEEE Transactions on Industrial Electronics, vol. 62, no. 10, pp. 6151-6159, Oct. 2015

Ilsu Jeong; Kwanghee Nam; “Analytic Expressions of Torque and Inductances via Polynomial Approximations of Flux Linkages,” IEEE Transactions on Magnetics, vol. 51, no. 7, July 2015

Sung-Yoon Jung; Chunting Chris Mi; Kwanghee Nam; “Torque Control of IPMSM in the Field-Weakening Region With Improved DC-Link Voltage Utilizatio,” IEEE Transactions on Industrial Electronics, vol. 62, no. 6, pp. 3380-3387, July. 2015

Ilsu Jeong; Bon-Gwan Gu; Junwoo Kim; Kwanghee Nam; “Inductance Estimation of Electrically Excited Synchronous Motor Via Polynomial Approximations by Least Square Method,” IEEE Transactions on Industry Applications, vol.51, no. 2, pp. 1526-1537, July. 2014

Hong, Jinseok; Lee, Heegwang; Kwanghee Nam; “Charging Method for the Secondary Battery in Dual Inverter Drive Systems for Electric Vehicles” Power Electronics, IEEE Transactions on, vol. 30, no. 2, pp. 909-921, Mar. 2014 

Kim, Junwoo; Jung, Ilsu; Lee, Kilho; Nam, Kwanghee; “Fluctuating Current Control Method for a PMSM along Constant Torque Contours” Power Electronics, IEEE Transactions on, Volume 29, Issue 11, Nov. 2014 Page(s):6064 – 6073

Jung, Sungyoon; Hong, Jinseok; Nam, Kwanghee; “Current Minimizing Torque Control of the IPMSM Using Ferrari`s Method” Power Electronics, IEEE Transactions on, Dec. 2013 Page(s):5603-5617

Jeong, Ilsu; Hyon, Byong Jo; Nam, Kwang-Hee; “Dynamic Modeling and Control for SPMSMs With Internal Turn Short Fault” Power Electronics, IEEE Transactions on, Volume 28, Issue 7, July 2013 Page(s):3495 – 3508 

Kim, S.; Song, H.; Nam, K.; “Idling Port Isolation Control of Three-Port Bidirectional Converter for EVs ” Power Electronics, IEEE Transactions on, Volume 27, Issue 5, May 2012 Page(s):2495 – 2506

Jung, S.-Y.; Nam, K.; “PMSM Control Based on Edge-Field Hall Sensor Signals Through ANF-PLL Processing” Industrial Electronics, IEEE Transactions on, Volume 58,  Issue 11,  November 2011 Page(s):5121 – 5129

Ortega, R.; Praly, L.; Astolfi, A.; Junggi Lee; Kwanghee Nam; “Estimation of Rotor Position and Speed of Permanent Magnet Synchronous Motors With Guaranteed Stability” Control Systems Technology, IEEE Transactions on, Volume 19,  Issue 3,  May 2011 Page(s):601 – 614

Jaehong Kim; Guerrero, J.M.; Rodriguez, P.; Teodorescu, R.; Kwanghee Nam; “Mode Adaptive Droop Control With Virtual Output Impedances for an Inverter-Based Flexible AC Microgrid” Power Electronics, IEEE Transactions on, Volume 26,  Issue 3,  March 2011 Page(s):689 – 701

Jaehong Kim; Hong-Seok Song; Kwanghee Nam; “Asymmetric Duty Control of a Dual-Half-Bridge DC/DC Converter for Single-Phase Distributed Generators” Power Electronics, IEEE Transactions on, Volume 26,  Issue 3,  March 2011 Page(s):973 – 982

Junggi Lee; Jinseok Hong; Kwanghee Nam; Romeo Ortega; Laurent Praly; Alessandro Astolfi; “Sensorless Control of Surface-Mount Permanent-Magnet Synchronous Motors Based on a Nonlinear Observer” Industrial Electronics, IEEE Transactions on, Volume 25,  Issue 2,  Feb 2010 Page(s):290 – 297

Jung-Min Kwon; Eung-Ho Kim;Bong-Hwan Kwon; Kwang-Hee Nam; “High-Efficiency Fuel Cell Power Conditioning System With Input Current Ripple Reduction” Industrial Electronics, IEEE Transactions on, Volume 56,  Issue 3,  March 2009 Page(s):826 – 834

Jung-Min Kwon; Bong-Hwan Kwon; Kwang-Hee Nam; “Grid-Connected Photovoltaic Multistring PCS With PV Current Variation Reduction Control” Industrial Electronics, IEEE Transactions on, Volume 56,  Issue 11,  Nov. 2009 Page(s):4381 – 4388

Kim ,J.; Hong, J.; Nam, K.;”A Current Distortion Compensation Scheme for Four-Switch Inverters” Power Electronics, IEEE Transactions on, Volume 24,  Issue 4,  April 2009 Page(s):1032 – 1040

Lee,J.; Nam, K.; Choi, S.; Kwon, S.;”Loss-Minimizing Control of PMSM With the Use of Polynomial Approximations” Power Electronics, IEEE Transactions on, Volume 24,  Issue 4,  April 2009 Page(s):1071 – 1082

Seung Min Hur; Shiwen Mao; Hou, Y.T.; Kwanghee Nam; Reed, J.H.; “Exploiting Location Information for Concurrent Transmissions in Multihop Wireless Networks” Vehicular Technology, IEEE Transactions on, Volume 58,  Issue 1,  Jan. 2009 Page(s):314 – 323

Kwon, J.-M.; Kwon, B.-H.; Nam, K.-H.; “Three-Phase Photovoltaic System With Three-Level Boosting MPPT Control”Power Electronics, IEEE Transactions on, Volume 23,  Issue 5,  Sept. 2008 Page(s):2319 – 2327

Sung Young Kim, Kwanghee Nam, Hong-Seok Song, Ho-Gi Kim; “Fault Diagnosis of a ZVS DC-DC Converter Based on DC-Link Current Pulse Shapes” Industrial Electronics, IEEE Transactions on, Vol. 55, No. 3, May 2008, pp1491-1494

Jaehong Kim, Junggi Lee, Kwanghee Nam; “Inverter-Based Local AC Bus Voltage Control Utilizing Two DOF Control” Power Electronics, IEEE Transactions on, Volume 23,No 3,May 2008, #pp1288-1298

Junggi Lee; Sunkyoung Lim; Kwanghee Nam; Dongik Choi; “An Optimal Selection of Induction-Heater Capacitance Considering Dissipation Loss Caused by ESR” Industry Applications, IEEE Transactions on, Volume 43, Issue 4, Page(s):1117 – 1125 , July-aug. 2007(SCI)

Jung-Min Kwon; Kwang-Hee Nam; Bong-Hwan Kwon; “Photovoltaic Power Conditioning System With Line Connection” Industry Electronics, IEEE Transactions on, Volume 53, Issue 4, Page(s):1048 – 1054, June 2006(SCI)

Bon-Gwan Gu; Kwanghee Nam; “A DC-link capacitor minimization method through direct capacitor current control” Industry Applications, IEEE Transactions on, Volume 42, Issue 2,  Page(s):573 – 581, March-April 2006(SCI)

Singh, G.K.; Singh, D.K.P.; Nam, K.; Lim, S.K.; “A simple indirect field-oriented control scheme for multi converter-fed induction motor” Industrial Electronics, IEEE Transactions on, Volume 52, Issue 6, Page(s):1653 – 1659, Dec. 2005(SCI)

Kang, G.; Nam, K.; “Field-oriented control scheme for linear induction motor with the end effect” Electric Power Applications, IEE Proceedings-, Volume 152, Issue 6, Page(s):1565 – 1572, November 2005(SCI)

Singh, G.K.; Nam, K.; Lim, S.K.; “A Simple Indirect Field-Oriented Control Scheme for Multiphase Induction Machine” Industrial Electronics, IEEE Transactions on, Volume 52, Issue 4, Page(s):1177 – 1184, Aug. 2005(SCI)

Gu, B.G.; Nam, K.; “A Theoretical minimum DC-link capacitance in PWM converter-inverter systems” Electric Power Applications, IEE Proceedings-, Volume 152, Issue 1, Page(s):81 – 88, Jan 2005(SCI)

Nguyen Xuan Hoang Viet; Hong-Seok Song; Kwanghee Nam; “Locating power supplies on a personal rapid transit system to minimize system losses” Industry Applications, IEEE Transactions on, Volume 40, Issue 6, Page(s):1671 – 1677, Nov.-Dec. 2004(SCI)

Lim, S.; Nam, K.; “Loss-minimising control scheme for induction motors” Electric Power Applications, IEE Proceedings-, Volume 151, Issue 4, Page(s):385 – 397, 7 July 2004(SCI)

Junha Kim; Jinhwan Jung; Kwanghee Nam; “Dual-inverter control strategy for high-speed operation of EV induction motors” Industrial Electronics, IEEE Transactions on, Volume 51, Issue 2, Page(s):312 – 320, April 2004(SCI)

SangCheol Lee; KwangHee Nam; “Overvoltage suppression filter design methods based on voltage reflection theory” Power Electronics, IEEE Transactions on, Volume 19, Issue 2, Page(s):264 – 271, March 2004(SCI)

G.K.Singh, K.Nam, S.K.Lim, “Multi-Converter Topology and Inductors Motor behavior fed Through Multi-inverter System” Communicated to Trans on Industrial Electronics, July 10, 2003(SCI)

G.K.Singh, K.Nam, S.K.Lim, “A Simple indirect field Oriented Control Scheme for Multi-Phase induction machine” Communicated to Trans on Industrial Electronics, Sept 18, 2003.

G.K.Singh, K.Nam, “Nature of Induction Machine faults An overview” Communicated to International of Intelligent Automation and soft Computing, August, 2003

Hong-Seok Song; In-Won Joo; Kwanghee Nam; “Source voltage sensorless estimation scheme for PWM rectifiers under unbalanced conditions” Industrial Electronics, IEEE Transactions on, Volume 50, Issue 6, Page(s):1238 – 1245, Dec 2003 (SCI)

Bon-Gwan Gu; Kwanghee Nam; “A vector control scheme for a PM linear synchronous motor in extended region” Industry Applications, IEEE Transactions on, Volume 39, Issue 5, Page(s):1280 – 1286, Sept.-Oct. 2003(SCI)

Gubae Kang; Junha Kim; Kwanghee Nam; “Parameter estimation scheme for low-speed linear induction motors having different leakage inductances” Industrial Electronics, IEEE Transactions on, Volume 50, Issue 4, Page(s):708 – 716, Aug. 2003(SCI)

Junha Kim; Kwanghee Nam; Jinho Chung; Hong Sunwoo; “Sensorless vector control scheme for induction motors based on a stator flux estimator with quadrant error compensation rule” Industry Applications, IEEE Transactions on, Volume 39, Issue 2, Page(s):492 – 503, March-April 2003(SCI)

Sangcheol Lee; Kwanghee Nam; “An overvoltage suppression scheme for AC motor drives using a half DC-link voltage level at each PWM transition” Industrial Electronics, IEEE Transactions on, Volume 49, Issue 3, Page(s):549 – 557, June 2002 (SCI)

J. Choi and K.Nam, “An output feedback tracking controller for systems diffeomorphic to the non-linear observer form” International Journal of Control, Vol. 74, No. 11, Page 1075-1084, 2001(SCI)

Namho Hur; Jinhwan Jung; Kwanghee Nam; “A fast dynamic DC-link power-balancing scheme for a PWM converter-inverter system” Industrial Electronics, IEEE Transactions on, Volume 48, Issue 4, Page(s):794 – 803, Aug. 2001(SCI)

Song, H.-S.; Nam, K.; “Instantaneous phase-angle estimation algorithm under unbalanced voltage-sag conditions” Generation, Transmission and Distribution, IEE Proceedings-, Volume 147, Issue 6, Page(s):409 – 415, Nov. 2000(SCI)

Hur, N.; Kwanghee Nam; “A robust load-sharing control scheme for parallel-connected multisystems” Industrial Electronics, IEEE Transactions on, Volume 47, Issue 4, Page(s):871 – 879, Aug. 2000(SCI)

Nambo Hur; Kwanghee Nam; Sangchul Won;”A two-degrees-of-freedom current control scheme for deadtime compensation” Industrial Electronics, IEEE Transactions on, Volume 47, Issue 3, Page(s):557 – 564, June 2000

Sung, J.-H.; Park, S.; Nam, K.; “New hybrid parallel active filter configuration minimising active filter size” Electric Power Applications, IEE Proceedings-, Volume 147, Issue 2, Page(s):93 – 98, March 2000(SCI)

Hong-Seok Song; Kwanghee Nam; “Dual current control scheme for PWM converter under unbalanced input voltage conditions” Industrial Electronics, IEEE Transactions on, Volume 46, Issue 5, Page(s):953 – 959, Oct. 1999(SCIE)

Jinhwan Jung; Sunkyoung Lim; Kwanghee Nam; “A feedback linearizing control scheme for a PWM converter-inverter having a very small DC-link capacitor” Industry Applications, IEEE Transactions on, Volume 35, Issue 5, Page(s):1124 – 1131, Sept.-Oct. 1999(SCI)

Kwanghee Nam; “Stabilization of feedback linearizable systems using a radial basis function network” Automatic Control, IEEE Transactions on, Volume 44, Issue 5, Page(s):1026 – 1031, May 1999(SCI)

Jinhwan Jung; Kwanghee Nam; “A dynamic decoupling control scheme for high-speed operation of induction motors” Industrial Electronics, IEEE Transactions on, Volume 46, Issue 1, Page(s):100 – 110, Feb. 1999(SCI)

Kwanghee Nam; Min-Jea Tahik; “A second-order stochastic filter involving coordinate transformation” Automatic Control, IEEE Transactions on, Volume 44, Issue 3, Page(s):603 – 608, March 1999(SCI)

Jeong-Hyoun Sung; Kwanghee Nam; “A simple snubber configuration for three-level GTO inverters” Power Electronics, IEEE Transactions on’ Volume 14, Issue 2, Page(s):246 – 257, March 1999(SCIE)

Jinhwan Jung; Kwanghee Nam; “A vector control scheme for EV induction motors with a series iron loss model” Industrial Electronics, IEEE Transactions on, Volume 45, Issue 4, Page(s):617 – 624, Aug. 1998(SCI)

Kichul Hong; Kwanghee Nam; “A load torque compensation scheme under the speed measurement delay”Industrial Electronics, IEEE Transactions on, Volume 45, Issue 2, Page(s):283 – 290, April 1998(SCI)

Jinhwan Jung; Kwanghee Nam; “A PI-type dead-time compensation method for vector-controlled GTO inverters” Industry Applications, IEEE Transactions on, Volume 34, Issue 3, Page(s):452 – 457, ay-June 1998(SCI)

Nam, K.; “An approximate nonlinear observer with polynomial coordinate transformation maps” Automatic Control, IEEE Transactions on, Volume 42, Issue 4, Page(s):522 – 527, April 1997(SCI)

K. Nam, “An output feedback stabilization scheme using the filtered transformation” IEEE Trans. on Automat. Contr. Vol. 40, No. 11, pp. 2089-2093, Nov., 1995(SCI)

H. Kim and K. Nam, “Object recognition of one D.O.F. tools by a back propagation neural network” IEEE Trans. on Neural Networks, Vol.6, No. 2, pp.484-487, Mar.1995(SCI)

K. Nam, S. Lee, and S. Won, “A local stabilizing scheme using an approximate feedback linearization” IEEE Trans. on Automat. Contr, Vol. 39, no. 11, Nov, pp. 2311-2314, 1994(SCI)

K. Nam, K. K. Lee, and A. Arapostathis, “Some numerical aspects of approximate linearization of single-input nonlinear systems” Int. J. Contr., Vol.57, No.2, pp. 463-472, 1993(SCI)

Kuc, J. S. Lee, and K. Nam, “An iterative Learning control theory for class on nonlinear dynamic systems” Automatica, Vol. 28, no. 6, pp. 1215-1222, 1992(SCI)

K. Nam and A. Arapostathis, “A sufficient condition for local controllability of nonlinear systems along closed orbits” IEEE Trans. Automat. Contr., AC-37, No. 3, pp.378-380, 1992(SCI)

T. Y. Kuc, K. Nam, and J. S. Lee, “An iterative Learning control of robot manipulators” IEEE Trans. on Robotics and Automation, Vol. 7, No. 6, 1991(SCI)

W. Lee and K. Nam, “Observer design for autonomous discrete-time nonlinear systems” Syst. & Contr. Lett., Vol. 17, pp. 49-58, pp 835-842, 1991.

K. Nam, “Linearization of discrete-time nonlinear systems and a canonical structure” IEEE Trans. on Automat. Contr., Vol. AC-34, No. 1, pp. 119-122, 1989(SCI)

K. Nam and A. Arapostathis, “A model reference adaptive control scheme for pure-feedback nonlinear systems” IEEE Trans. on Automat. Contr., Vol. AC-33, No. 9, pp. 803-811, 1988(SCI)