Papers
  International Journals

2001
[1] Kyo-Beum Lee, Joong-Ho Song, Ick Choy, and Ji-Yoon Yoo, "Improvement of Low-Speed Operation Performances of DTC for 3-Level Inverter-Fed Induction Motors," IEEE Transactions on Industrial Electronics, vol. 48, no. 5, pp. 1006-1014, Oct. 2001. -SCI

2002
[2] Kyo-Beum Lee, Joong-Ho Song, Ick Choy, and Ji-Yoon Yoo, "Torque Ripple Reduction in DTC of Induction Motor Driven by 3-Level Inverter with Low Switching Frequency," IEEE Transactions on Power Electronics, vol. 17, no. 2, pp. 255-264, Mar. 2002. -SCI

2004
[3] Kyo-Beum Lee, Ji-Yoon Yoo, Joong-Ho Song, and Ick Choy, "An Improvement of Low Speed Operation of Electric Machine with an Inertia Identification Using ROELO," IEE Proceedings - Electric Power Applications, vol. 151, no. 1, pp. 116-120, Jan. 2004. -SCI
[4] Sung-Hoe Huh, Kyo-Beum Lee, Ick Choy, Gwi-Tae Park, and Ji Yoon Yoo, "Uncertainty Observer using the radial Basis Function Networks for Induction Motor Control," Journal of Power Electronics, vol. 4, no. 1, pp. 1-11, Jan. 2004. -SCIE
[5] Chang-Han Bae, Kyo-Beum Lee, and Kwang-Won Lee, "Sinusoidalisation of the input current in boost-type rectifier using sigma-delta modulation schemes," IEE Proceedings - Electric Power Applications, vol. 151, no. 6, pp. 679-684, Nov. 2004. -SCI

2005
[6] Gil-Su Lee, Dong-Hyun Lee, Tae-Woong Yoon, Kyo-Beum Lee, Joong-Ho Song, and Ick Choy, "Speed and Flux Estimation for an Induction Motor Using a Parameter Estimation Technique," IJCAS (International Journal of Control, Automation, and Systems), vol. 3, no. 1, pp. 79-86, Mar. 2005. -SCIE
[7] Kyo-Beum Lee and Frede Blaabjerg, "A Non-Linearity Compensation Method for Matrix Converter Drives," IEEE Power Electronics Letters, vol. 3, no. 1, pp. 19-23, Mar. 2005.
[8] Kyo-Beum Lee, Chang-Han Bae, and Frede Blaabjerg, "Disturbance observer that uses the radial basis function networks for low speed control of electric machine," IEE Proceedings - Control Theory & Applications, vol. 152, no. 2, pp. 118-125, Mar. 2005. -SCI
[9] Kyo-Beum Lee, Sung-Hoe Huh, Ji-Yoon Yoo, and Frede Blaabjerg, "Performance Improvement of DTC for Induction Motor-Fed by Three-Level Inverter with an Uncertainty Observer Using RBFN," IEEE Transactions on Energy Conversion, vol. 20, no. 2, pp. 276-283, June 2005. -SCI
[10] Kyo-Beum Lee and Frede Blaabjerg, "A Modified DTC-SVM for Sensorless Matrix Converter Drives Using a Simple Deadbeat Control," HAIT Journal of Science and Engineering B, vol. 2, no. 5-6, pp. 715-735, 2005.
[11] Sung-Hoe Huh, Kyo-Beum Lee, Dong-Won Kim, Ick Choy, and Gwi-Tae Park, "Sensorless Speed Control System Using a Neural Network," IJCAS (International Journal of Control, Automation, and Systems), vol. 3, no. 4, pp. 612-619, 2005. -SCIE

2006
[12] Kyo-Beum Lee and Frede Blaabjerg, "Reduced Order Extended Luenberger Observer Based Sensorless Vector Control Driven by Matrix Converter With Non-Linearity Compensation," IEEE Transactions on Industrial Electronics, vol. 53, no. 1, pp. 66-75, Feb. 2006. -SCI
[13] Kyo-Beum Lee and Frede Blaabjerg, "An Improved Direct Torque Control for Sensorless Matrix Converter Drives with Constant Switching Frequency and Torque Ripple Reduction," IJCAS (International Journal of Control, Automation, and Systems), vol. 4, no. 1, pp. 113-123, Feb. 2006. -SCIE
[14] Kyo-Beum Lee and Frede Blaabjerg, "Improved Sensorless Vector Control for Induction Motor Drives Fed by Matrix Converter Using Nonlinear Modeling and Disturbance Observer," IEEE Transactions on Energy Conversion, vol. 21, no. 1, pp. 52-59, Mar. 2006. -SCI
[15] Kyo-Beum Lee, Chang-Han Bae, and Frede Blaabjerg, "An improved DTC-SVM method for matrix converter drives using a deadbeat scheme," International Journal of Electronics, vol. 93, no. 11, pp. 737-753, 2006. -SCI

2007
[16] Kyo-Beum Lee and Frede Blaabjerg, "An improvement of speed control performances of a two-mass system using a universal approximator" Electrical Engineering (Springer), vol. 89, no. 5, pp. 389-396, May 2007. -SCI
[17] Kyo-Beum Lee and Frede Blaabjerg, "Performance improvement of sensorless vector control for matrix converter drives using PQR power theory" Electrical Engineering (Springer), vol. 89, no. 8, pp. 607-616, Sept. 2007. -SCI
[18] Kyo-Beum Lee and Frede Blaabjerg, "Robust and Stable Disturbance Observer of Servo System for Low Speed Operation Using the Radial Basis Function Network," IEEE Transactions on Industry Applications, vol. 43, no. 3, pp. 627-635, May/June 2007. -SCI
[19] Kyo-Beum Lee and Frede Blaabjerg, "An Improved DTC-SVM Method for Sensorless Matrix Converter Drives Using an Overmodulation and Simple Non-Linearity Compensation," IEEE Transactions on Industrial Electronics, vol. 54, no. 6, pp. 3155-3166, Dec. 2007. -SCI
[20] Kyo-Beum Lee, Frede Blaabjerg, and Tae-Woong Yoon, "Speed Sensorless DTC-SVM for Matrix Converter Drives with Simple Non-Linearity Compensation," IEEE Transactions on Industry Applications, vol. 43, no. 6, pp. 1639-1649, Nov./Dec. 2007. -SCI
[21] Kyo-Beum Lee and Frede Blaabjerg, "Simple Sensorless Scheme for Induction Motor Drives Fed by a Matrix Converter Using Constant Air-Gap Flux and PQR Transformation," IJCAS (International Journal of Control, Automation, and Systems), vol. 5, no. 6, pp. 652-662, Dec. 2007. -SCIE

2008
[22] Kyo-Beum Lee and Frede Blaabjerg, "Sensorless DTC-SVM for Induction Motor Driven by a Matrix Converter Using a Parameter Estimation Strategy," IEEE Transactions on Industrial Electronics, vol. 55, no. 2, pp. 512-521, Feb. 2008. -SCI
[23] Kyo-Beum Lee and Frede Blaabjerg, "Simple Power Control for Sensorless Induction Motor Drives Fed by a Matrix Converter," IEEE Transactions on Energy Conversion, vol. 23, no. 3, pp. 781-788, Sept. 2008. -SCI

2009
[24] Kyo-Beum Lee and Frede Blaabjerg, "Disturbance Observer-Based Simple nonlinearity Compensation for Matrix Converter Drives," Research Letters in Electronics, on-line publish, 2009.
[25] Kyo-Beum Lee and Joong-Ho Song, "Single-Phase Active Filter for High Order Harmonics Compensation," Journal of Electrical Engineering, vol. 9, no. 2, pp. 20-25, 2009.
[26] Seo-Hyeong Kim, Woojin Choi, Sewan Choi, and Kyo-Beum Lee, "Combined Dithered Sigma-Delta Modulation based Random PWM Switching Scheme," Journal of Power Electronics, vol. 9, no. 5, pp. 667-678, Sept. 2009. -SCIE
[27] Sung-Tak Jou, Sol-Bin Lee, Yong Bae Park, and Kyo-Beum Lee, "Direct Power Control of a DFIG in Wind Turbines to Improve Dynamic Responses," Journal of Power Electronics, vol. 9, no. 5, pp. 781-790, Sept. 2009. -SCIE
[28] Kiwoo Park, Dongkyong Chwa, and Kyo-Beum Lee, "Robust Disturbance Compensation for Servo Drives Fed by a Matrix Converter," Journal of Power Electronics, vol. 9, no. 5, pp. 791-799, Sept. 2009. -SCIE

2010
[29] Hae-Gwang Jeong, Kyo-Beum Lee, Sewan Choi, and Woojin Choi, "Performance improvement of LCL-filter based grid connected-inverters using PQR power transformations," IEEE Transactions on Power Electronics, vol. 25, no. 5, pp. 1320-1330, May 2010. -SCI
[30] Gwi-Geun Park, Seon-Hwan Hwang, Jang-Mok Kim, Kyo-Beum Lee, Dong-Choon Lee, "Reduction of Current Ripples due to Current Measurement Errors in a Doubly Fed Induction Generator," Journal of Power Electronics, vol. 10, no. 3, pp. 313-319, May 2010. -SCIE
[31] Yong Bae Park and Kyo-Beum Lee, "Capacitance of a Coaxial Line Terminated by a Gap," Journal of Electrostatics, vol. 68, no. 2, pp. 200-202, 2010. -SCIE
[32] Yi-Kyu Kang, Hae-Gwang Jeong, Kyo-Beum Lee, Dong-Choon Lee, and Jang-Mok Kim, "Simple Estimation Scheme for Initial Rotor Position and Inductances for Effective MTPA-Operation in Wind-Power Systems using an IPMSM," Journal of Power Electronics, vol. 10, no. 4, pp. 396-404, July 2010. -SCIE
[33] Dongkyong Chwa and Kyo-Beum Lee, "Variable Structure Control of the Active and Reactive Powers for a DFIG in Wind Turbines," IEEE Transactions on Industry Applications, vol.46, no. 6, pp. 2545-2555, Nov./Dec. 2010. -SCI
[34] Kiwoo Park and Kyo-Beum Lee, "Hardware Simulator Development for a 3-Parallel Grid-connected PMSG Wind Power System," Journal of Power Electronics, vol. 10, no. 5, pp. 555-562, Sept. 2010. -SCIE
[35] Young-Jong Ko and Kyo-Beum Lee, "Fault Diagnosis of a Voltage-Fed PWM Inverter for a Three-Parallel Power Conversion System in a Wind Turbine," Journal of Power Electronics, vol. 10, no. 6, pp. 686-693, Nov. 2010. -SCIE
[36] Sol-Bin Lee, Kyo-Beum Lee, Dong-Choon Lee, and Jang-Mok Kim, "An Improved Control Method for a DFIG in a Wind Turbine under an Unbalanced Grid Voltage Condition," Journal of Electrical Engineering & Technology, vol. 5, no. 4, pp. 614-622, Dec. 2010. -SCIE

2011
[37] Dae-Keun Choi and Kyo-Beum Lee "Stability Improvement of Distributed Power Generation Systems with an LCL-Filter Using Gain Scheduling Based on Grid Impedance Estimations," Journal of Power Electronics, vol. 11, no. 4, pp. 599-605, July 2011. -SCIE
[38] Sungsik Park, Yohan Park, Sewan Choi, Woojin Choi, and Kyo-Beum Lee, "Soft-Switched Interleaved Boost Converters for High Step-Up and High-Power Applications," IEEE Transactions on Power Electronics, vol. 26, no. 10, pp. 2906-2914, Oct. 2011. -SCI
[39] Sang-Hyun Kim, Woojin Choi, Kyo-Beum Lee, and Sewan Choi, "Advanced Dynamic Simulation of Supercapacitors Considering Parameter Variation and Self-Discharge," IEEE Transactions on Power Electronics, vol. 26, no. 11, pp. 3377-3385, Nov. 2011. -SCI

2012
[40] Won-Sang Im, Jang-Sik Kim, Jang-Mok Kim, Dong-Choon Lee, and Kyo-Beum Lee, "Diagnosis Methods for IGBT Open Switch Fault Applied to 3-Phase AC/DC PWM Converter," Journal of Power Electronics, vol. 12, no. 1, pp. 120-127, Jan. 2012. -SCIE
[41] June-Seok Lee, Hae-Gwang Jeong, and Kyo-Beum Lee, "Active damping for wind power systems with an LCL filter using a DFT," Journal of Power Electronics, vol. 12, no. 2, pp. 326-332, Mar. 2012. -SCIE
[42] Kiwoo Park, Kyo-Beum Lee, and Frede Blaabjerg, "Improving Output Performance of a Z-source Sparse Matrix Converter under Unbalanced Input Voltage Conditions," IEEE Transactions on Power Electronics, vol. 27, no. 4, pp. 2043-2054, Apr. 2012. -SCI
[43] Hae-Gwang Jeong, Hak-Seung Ro, and Kyo-Beum Lee, "An Improved Maximum Power Point Tracking Method for Wind Power Systems," Energies, pp. 1339-1354, May 2012. -SCIE
[44] Ui-Min Choi, Hae-Gwang Jeong, Kyo-Beum Lee, and Frede Blaabjerg, "Method for Detecting an Open-Switch Fault in a Grid-Connected NPC Inverter System," IEEE Transactions on Power Electronics, vol. 27, no. 6, pp. 2726-2739, June 2012. -SCI
[45] Youngjong Ko, Kyo-Beum Lee, Dong-Choon Lee, and Jang-Mok Kim, "Fault Diagnosis of Three-Parallel Voltage-Source Converter for a High-Power Wind Turbine," IET Power Electronics, Vol. 5, No. 7, pp. 1058-1067, Aug. 2012. -SCIE
[46] Bo-Hwan Seo, Thanh Hai Nguyen, Dong-Choon Lee, Kyo-Beum Lee, and Jang-Mok Kim, "Condition Monitoring of Lithium Polymer Batteries Based on a Sigma-Point Kalman Filter," Journal of Power Electronics, vol. 12, no. 5, pp. 778-786, Sept. 2012. -SCIE
[47] Hyung-Seop Kim, Won-Sang Im, Jang-Mok Kim, Dong-Choon Lee, and Kyo-Beum Lee, "Fault Diagnosis Method of Voltage Sensor in 3-phase AC/DC PWM Converters," Journal of International Conference on Electrical Machines and Systems, vol. 1, no. 3, pp. 115-121, Sept. 2012.
[48] Jong-Hyun Lee, Hae-Gwang Jeong, and Kyo-Beum Lee, "Performance Improvement of Grid-Connected Inverter Systems under Unbalanced and Distorted Grid Voltage by Using a PR Controller," Journal of Electrical Engineering & Technology, vol. 7, no. 6, pp. 918-925, Nov. 2012. -SCIE

2013
[49] June-Seok Lee and Kyo Beum Lee, "Variable DC-Link Voltage Algorithm with a Wide Range of MPPT for a Two-String PV System," Energies, vol. 6, no. 1, pp. 58-78, Jan. 2013. -SCIE
[50] Hae-Gwang Jeong, Gwang Seob Kim, and Kyo-Beum Lee, "Second-Order Harmonic Reduction Technique for Photovoltaic Power Conditioning Systems Using a Proportional-Resonant Controller," Energies, vol. 6, no. 1, pp. 79-96, Jan. 2013. -SCIE
[51] Ui-Min Choi and Kyo-Beum Lee, "Neutral-Point Voltage Balancing Method for Three-Level Inverter Systems with a Time-Offset Estimation Scheme," Journal of Power Electronics, vol. 13, no. 2, pp. 243-249, Mar. 2013. -SCIE
[52] Hae-Gwang Jeong, Dong-Keun Yoon, and Kyo-Beum Lee, "Design of an LCL-Filter for Three-Parallel Operation of Power Converters in Wind Turbines," Journal of Power Electronics, Vol. 13, no. 3, pp. 437-446, May 2013. -SCIE
[53] Hae-Gwang Jeong, Jong-Hyun Lee, and Kyo-Beum Lee, "A 2nd Order Harmonic Compensation Method for Wind Power System Using a PR Controller," Journal of Electrical Engineering & Technology, vol. 8, no. 3, pp. 507-515, May 2013. -SCIE
[54] Ui-Min Choi, Hyun-Hee Lee, and Kyo-Beum Lee, "Simple Neutral-Point Voltage Control for Three-Level Inverters Using a Discontinuous Pulse Width Modulation," IEEE Transactions on Energy Conversion, vol. 28, no. 2, pp. 434-443, June 2013. -SCI
[55] Gwang-Seob Kim, Kyo-Beum Lee, Dong-Choon Lee, and Jang-Mok Kim, "Fault Diagnosis and Fault-Tolerant Control of DC-link Voltage Sensor for Two-stage Three-Phase Grid-Connected PV Inverters," Journal of Electrical Engineering & Technology, vol. 8, no. 4, pp. 752-759, July 2013. -SCIE
[56] Hae-Gwang Jeong and Kyo-Beum Lee, "A Controller Design for a Stability Improvement of an On-Board Battery Charger," Journal of Electrical Engineering & Technology, vol. 8, no. 4, pp. 951-958, July 2013. -SCIE
[57] Won-Sang Im, Jang-Mok Kim, Dong-Choon Lee, and Kyo-Beum Lee, "Diagnosis and Fault Tolerant Control of 3-phase AC-DC PWM Converter Systems," IEEE Transactions on Industry Applications, vol. 49, no. 4, pp. 1539-1547, Jul./Aug. 2013. -SCI
[58] Ui-Min Choi and Kyo-Beum Lee, "A SVM Strategy for Neutral-Point Voltage Balancing in Three-Level Inverter Systems," IET Power Electronics, vol. 6, Iss. 7, pp. 1390-1398, Aug. 2013. -SCIE
[59] Xingsi Pu, Thanh Hai Nguyen, Dong-Choon Lee, Kyo-Beum Lee, and Jang-Mok Kim, "Fault diagnosis of DC-link capacitors in three-phase AC/DC PWM converters by online estimation of equivalent series resistance," IEEE Transactions on Industrial Electronics, vol. 60, no. 9, pp. 4118-4127, Sept. 2013. -SCI
[60] Hae-Gwang Jeong and Kyo-Beum Lee, "Controller Design for a Quick Charger System Suitable for Electric Vehicles," Journal of Electrical Engineering & Technology, vol. 8, no. 5, pp. 1122-1130, Sept. 2013. -SCIE
[61] Eunsil Lee, Kyo-Beum Lee, Youngil Lee, and Joongho Song, "High Performance Current Controller for Sparse Matrix Converter Based on Model Predictive Control," Journal of Electrical Engineering & Technology, vol. 8, no. 5, pp. 1138-1145, Sept. 2013. -SCIE
[62] Jin-Hyuk Park, Hae-Gwang Jeong, and Kyo-Beum Lee, "Output Current Ripple Reduction Algorithms for Home Energy Storage System," Energies, vol. 6, no. 10, pp. 5552-5569, Sept. 2013. -SCIE
[63] Ju-Hye Kim, Sung-Tak Jou, Dae-Keun Choi, and Kyo-Beum Lee, "Direct Power Control of Three-Phase Boost Rectifiers Using a Sliding-Mode Scheme," Journal of Power Electronics, vol. 13, no. 6, pp. 1000-1007, Nov. 2013. -SCIE

2014
[64] Ui-Min Choi, Kyo-Beum Lee, and Frede Blaabjerg, "Diagnosis and Tolerant Strategy of an Open-Switch Fault for T-type Three-Level Inverter Systems," IEEE Transactions on Industry Applications, vol. 50, no. 1, pp. 495-508, Jan./Feb. 2014. -SCI
[65] Hyun-Woo Sim, June-Seok Lee, and Kyo-Beum Lee, "On-line Parameter Estimation of Interior Permanent Magnet Synchronous Motor Using an Extended Kalman Filter," Journal of Electrical Engineering & Technology, vol. 9, no. 2, pp. 600-608, Mar. 2014. -SCIE
[66] Ui-Min Choi, June-Seok Lee, and Kyo-Beum Lee, "New Modulation Strategy to Balance the Neutral-Point Voltage for Three-Level Neutral-Clamped Inverter Systems," IEEE Transactions on Energy Conversion, vol. 29, no. 1, pp. 91-100, Mar. 2014. -SCI
[67] June-Seok Lee and Kyo-Beum Lee, "New Modulation Techniques for a Leakage Current Reduction and a Neutral-Point Voltage Balance in Transformerless Photovoltaic Systems using a Three-Level Inverter," IEEE Transactions on Power Electronics, vol. 29, no. 4, pp. 1720-1732, April 2014. -SCI
[68] Hae-Gwang Jeong and Kyo-Beum Lee, "A Control Scheme to Fulfill the Grid-Code Under Various Fault Conditions in the Grid-Connected Wind Turbines," Electrical Engineering (Springer), vol. 96, no. 2, pp. 199-210, June 2014. -SCI
[69] Soo-Cheol Kim, Thanh Hai Nguyen, Dong-Choon Lee, Kyo-Beum Lee, and Jang-Mok Kim, "Fault Tolerant Control of DC-Link Voltage Sensor for Three-Phase AC/DC/AC PWM Converters," Journal of Power Electronics, vol. 14, no. 4, pp. 695-703, July 2014. -SCIE
[70] Hyun-Woo Sim, June-Seok Lee, and Kyo-Beum Lee, "A Simple Strategy for Sensorless Speed Control for an IPMSM During Startup and Over Wide Speed Range," Journal of Electrical Engineering & Technology, vol. 9, no. 5, pp. 1582-1591, Sept. 2014. -SCIE
[71] Tae-Min Yoon, June-Seok Lee, and Kyo-Beum Lee, "Rotor Position estimation Method of IPMSM using HF Signal Injection and Sliding-Mode Controller," IEEJ Transactions on Electrical and Electronic Engineering, vol. 9, no. S1, pp. S56-S63, Oct. 2014. -SCIE
[72] June-Seok Lee and Kyo-Beum Lee, "Tolerance Control for Inner Open-Switch Faults of a T-type Three-Level Rectifier," Journal of Power Electronics, vol. 14, no. 6, pp. 1157-1165, Nov. 2014. -SCIE
[73] June-Seok Lee and Kyo-Beum Lee, "An Open-Switch Fault Detection Method and Tolerance Controls Based on SVM in a Grid-Connected T-Type Rectifier with Unity Power Factor," IEEE Transactions on Industrial Electronics, vol. 61, no. 12, pp. 7092-7104, Dec. 2014. -SCI

2015
[74] Hak-Seung Ro, Hae-Gwang Jeong, Kyoung-Gu Lee, June-Seok Lee, and Kyo-Beum Lee, "Torque Ripple Minimization Scheme Using Torque Sharing Function Based Fuzzy Logic Control for a Switched Reluctance Motor," Journal of Electrical Engineering & Technology, vol. 10, no. 1, pp. 118-127, Jan. 2015. -SCIE
[75] June-Hee Lee, June-Seok Lee, and Kyo-Beum Lee, "Current Sensorless MPPT Control Method for Dual-Mode PV Module-Type Interleaved Flyback Inverters," Journal of Power Electronics, vol. 15, no. 1, pp. 54-64, Jan. 2015. -SCIE
[76] June-Seok Lee, Kyo-Beum Lee, and Frede Blaabjerg, "Open-Switch Fault Detection Method of a Back-to-Back Converter using NPC Topology for Wind Turbine Systems," IEEE Transactions on Industry Applications, vol. 51, no. 1, pp. 325-335, Jan./Feb. 2015. -SCI
[77] Dae-Keun Choi and Kyo-Beum Lee, "Dynamic Performance Improvement of AC/DC PWM Converter Using Model Predictive Direct Power Control Set," IEEE Transactions on Industrial Electronics, vol. 62, no. 2, pp. 757-767, Feb. 2015. -SCI
[78] June-Seok Lee and Kyo-Beum Lee, "Open-Switch Fault Tolerance Control for a Three-Level NPC/T-type Rectifier in Wind Turbine Systems," IEEE Transactions on Industrial Electronics, vol. 62, no. 2, pp. 1012-1021, Feb. 2015. -SCI
[79] Sang Ho Moon, Sung-Tak Jou, and Kyo-Beum Lee, "Performance Improvement of a Bidirectional DC-DC Converter for Battery Chargers Using an LCLC Filter," Journal of Electrical Engineering & Technology, vol. 10, no. 2, pp. 560-573, Mar. 2015. -SCIE
[80] Ui-Min Choi, Frede Blaabjerg, and Kyo-Beum Lee, "Method to Minimize the Low-Frequency Neutral-Point Voltage Oscillations with Time-Offset Injection for Neutral-Point-Clamped Inverters," IEEE Transactions on Industry Applications, vol. 51, no. 2, pp. 1678- 1691, Mar./Apr. 2015. -SCI
[81] Yongsoo Cho, Kyo-Beum Lee, Youngil Lee, and Joongho Song, "Torque-Ripple Minimization and Fast Dynamic Scheme for Torque Predictive Control of Permanent-Magnet Synchronous Motors," IEEE Transactions on Power Electronics, vol. 30, no. 4, pp. 2182-2190, Apr. 2015. -SCI
[82] Yeongsu Bak, Eunsil Lee, and Kyo-Beum Lee, "Indirect Matrix Converter for Hybrid Electric Vehicle Application with Three-phase and Single-phase Outputs," Energies, vol. 8, no. 5, pp. 3849-3866, Apr. 2015. -SCIE
[83] Ui-Min Choi, Frede Blaabjerg, and Kyo-Beum Lee, "Reliability Improvement of a T-type Three-Level Inverter with Fault-Tolerant Control Strategy," IEEE Transactions on Power Electronics, vol. 30, no. 5, pp. 2660-2673, May 2015. -SCI
[84] Ui-Min Choi, Frede Blaabjerg, and Kyo-Beum Lee, "Study and Handling Methods of Power IGBT Module Failures in Power Electronic Converter Systems," IEEE Transactions on Power Electronics, vol. 30, no. 5, pp. 2517-2533, May 2015. -SCI
[85] Kyoung-Gu Lee, June-Seok Lee, and Kyo-Beum Lee, "Wide-Range Sensorless Control for SPMSM Using an Improved Full-order flux observer," Journal of Power Electronics, vol. 15, no. 3, pp. 721-729, May 2015. -SCIE
[86] June-Seok Lee and Kyo-Beum Lee, "Carrier-Based Discontinuous PWM Method for Vienna Rectifiers," IEEE Transactions on Power Electronics, vol. 30, no. 6, pp. 2896-2900, June 2015. -SCI
[87] Hak-Seung Ro, Dong-Hee Kim, Hae-Gwang Jeong, and Kyo-Beum Lee, "Tolerant Control for Power transistor Faults in Switched Reluctance Motor Drives," IEEE Transactions on Industry Applications, vol. 51, no. 4, pp. 3187-3197, July/Aug. 2015. -SCI
[88] Ui-Min Choi, Frede Blaabjerg, and Kyo-Beum Lee, "Control Strategy of Two Capacitor Voltages for Separate MPPTs in Photovoltaic Systems using Neutral-Point-Clamped Inverters," IEEE Transactions on Industry Applications, vol. 51, no. 4, pp. 3295-3303, July/Aug. 2015. -SCI
[89] Jong-Hoon Kim, Jung-Nam Lee, Chung-Yul Yoo, Kyo-Beum Lee, and Woong-Moo Lee, "Low-cost and energy-efficient asymmetric nickel electrode for alkaline water electrolysis," International Journal of Hydrogen Energy, vol. 40, no. 34, pp. 10720-10725, Sept. 2015. -SCI
[90] Dae Joong Kim, Jin-Hyuk Park, and Kyo-Beum Lee, "Scheme for Improving Line Current Distortion of PFC Using a Predictive Control Algorithm," Journal of Power Electronics, vol. 15, no. 5, pp. 1168-1177, Sept. 2015. -SCIE
[91] June-Seok Lee, Ui-Min Choi, and Kyo-Beum Lee, "Comparison of Tolerance Controls for Open-Switch Fault in a Grid-Connected T-Type Rectifier," IEEE Transactions on Power Electronics, vol. 30, no. 10, pp. 5810-5820, Oct. 2015. -SCI
[92] Hye-Ung Shin, Kiwoo Park, and Kyo-Beum Lee, "A Non-unity Torque Sharing Function for Torque Ripple Minimization of Switched Reluctance Generators in Wind Power Systems," Energies, vol. 8, no. 10, pp. 11685-11701, Oct. 2015. -SCIE
[93] Seok-Kyoon Kim, Dae-Keun Choi, Youngil Lee, and Kyo-Beum Lee, "Offset-Free Model Predictive Control for the Power Control of Three-Phase AC/DC Converters," IEEE Transactions on Industrial Electronics, vol. 62, no. 11, pp. 7114-7126, Nov. 2015. -SCI
[94] Seok-Kyoon Kim and Kyo-Beum Lee, "Robust Feedback-Linearizing Output Voltage Regulator for DC/DC Boost Converter," IEEE Transactions on Industrial Electronics, vol. 62, no. 11, pp. 7127-7135. Nov. 2015. -SCI
[95] Jae-Seung Yoon, Kyoung-Gu Lee, June-Seok Lee, and Kyo-Beum Lee, "Off-Line Parameter Identification of Permanent Magnet Synchronous Motor Using a Goertzel Algorithm," Journal of Electrical Engineering & Technology, vol. 10, no. 6, pp. 2262-2270. Nov. 2015. -SCIE
[96] Eunsil Lee and Kyo-Beum Lee, "Design and Implementation of a Reverse Matrix Converter for Permanent Magnet Synchronous Motor Drives," Journal of Electrical Engineering & Technology, vol. 10, no. 6. pp. 2297-2306, Nov. 2015. -SCIE
[97] Seok-Kyoon Kim and Kyo-Beum Lee, Robust One-Step ahead State Predictor using Adaptive Proportional-Integral Observer, IET Power Electronics, vol. 8, no. 12. pp. 2411-2417, Dec. 2015. -SCIE

2016
[98] Eunsil Lee and Kyo-Beum Lee, "Fault-Tolerant Strategy to Control a Reverse Matrix Converter for an Open-Switch Fault in Rectifier Stage," Journal of Power Electronics, vol. 16, no. 1, pp. 57-65, Jan. 2016. -SCIE
[99] June-Seok Lee and Kyo-Beum Lee, "A Novel Carrier-Based PWM Method for Vienna Rectifier with a Variable Power Factor," IEEE Transactions on Industrial Electronics, vol. 63, no. 1, pp. 3-12, Jan. 2016. -SCI
[100] Seok-Kyoon Kim, Kyoung-Gu Lee, and Kyo-Beum Lee, "Singularity-Free Adaptive Speed Tracking Control for Uncertain Permanent Magnet Synchronous Motor," IEEE Transactions on Power Electronics, vol. 31, no. 2, pp. 1692-1701, Feb. 2016. -SCI
[101] June-Seok Lee and Kyo-Beum Lee, "Time-Offset Injection Method for Neutral-Point AC Ripple Voltage Reduction in a Three-Level Inverter," IEEE Transactions on Power Electronics, vol. 31, no. 3, pp. 1931-1941, Mar. 2016. -SCI
[102] Byoung-Seoup Lee, Seok-Kyoon Kim, Jin-Hyuk Park, and Kyo-Beum Lee, "Adaptive Output Voltage Tracking Controller for Uncertain DC/DC Boost Converter," International Journal of Electronics, vol. 103, no. 6, pp. 1002-1017, Mar. 2016. -SCI
[103] Hyun-Woo Sim, June-Seok Lee, and Kyo-Beum Lee, "Detecting Open-Switch Faults: Using Asymmetric Zero-Voltage Switching States," IEEE Industry Applications Magazine, vol. 22, no. 2, pp. 27-37, Mar./Apr. 2016. -SCIE
[104] Yongsoo Cho and Kyo-Beum Lee, "Virtual-Flux-Based Predictive Direct Power Control of Three-Phase PWM Rectifiers with Fast Dynamic Response," IEEE Transactions on Power Electronics, vol. 31, no. 4, pp. 3348-3359, Apr. 2016. -SCI
[105] June-Seok Lee and Kyo-Beum Lee, "Open-Circuit Fault Tolerant Control for Outer Switches of Three-Level Rectifiers in Wind Turbine Systems," IEEE Transactions on Power Electronics, vol. 31, no. 5, pp. 3806-3815, May 2016. -SCI
[106] Seung-Koo Baek, Hye-ung Shin, Seong-Yun Kang, Choon-Soo Park, and Kyo-Beum Lee, "Open Fault Detection and Tolerant Control for a Five Phase Inverter Driving System," Energies, vol. 9, no. 5, pp. 355-372, May 2016. -SCIE
[107] June-Seok Lee and Kyo-Beum Lee, "Performance Analysis of Carrier-Based Discontinuous PWM Method for Vienna Rectifiers with Neutral-Point Voltage Balance," IEEE Transactions on Power Electronics, vol. 31, no. 6, pp. 4075-4084, Jun. 2016. -SCI
[108] June-Seok Lee, Seungjong Yoo, and Kyo-Beum Lee, "Novel Discontinuous PWM Method of a Three-Level Inverter for Neutral-Point Voltage Ripple Reduction," IEEE Transactions on Industrial Electronics, vol. 63, no. 6, pp. 3344-3354, Jun. 2016. -SCI
[109] Jin-Hyuk Park, Dae Joong Kim, and Kyo-Beum Lee, "Predictive Control Algorithm Including Conduction-Mode Detection for PFC Converter," IEEE Transactions on Industrial Electronics, vol. 63, no. 9, pp. 5900-5911, Sep. 2016. -SCI
[110] June-Seok Lee, Tae-Min Yoon, and Kyo-Beum Lee, "Bearing fault detection of IPMSMs using zoom FFT," Journal of Electrical Engineering & Technology, vol.11, no. 5, pp.1235-1241, Sep. 2016. -SCIE
[111] Raeho Kwak, June-Hee Lee, and Kyo-Beum Lee, "Active Frequency Drift Method of Islanding Detection Applied to a Micro-Inverter with Uncontrollable Reactive Power," Journal of Power Electronics, vol. 16, no. 5, pp. 1918-1927, Sep. 2016. -SCIE
[112] Hye-Ung Shin and Kyo-Beum Lee, "Optimal design of a 1 kW switched reluctance generator for wind power systems using a genetic algorithm," IET Electric Power Applications, vol. 10, no. 8, pp. 807-817, Sep. 2016. -SCI
[113] Ui-Min Choi, June-Seok Lee, Frede Blaabjerg, and Kyo-Beum Lee, "Open-Circuit Fault Diagnosis and Fault-Tolerant Control for a Grid-Connected NPC Inverter," IEEE Transactions on Power Electronics, vol. 31, no. 10, pp. 7234-7247, Oct. 2016. -SCI
[114] Seok-Min Kim, June-Seok Lee, and Kyo-Beum Lee, "A Modified Level-Shifted PWM Strategy for Fault Tolerant Cascaded Multilevel Inverters with Improved Power Distribution," IEEE Transactions on Industrial Electronics, vol. 63, no. 11, pp. 7264-7274, Nov. 2016. -SCI
[115] Woo Jin Choi, Seok-Kyoon Kim, Juyong Kim, and Kyo-Beum Lee, "Input-Constrained Current Controller for DC/DC Boost Converter," Journal of Power Electronics, vol. 16, no. 6, pp. 2016-2023, Nov. 2016. -SCIE
[116] Seok-Kyoon Kim, June-Seok Lee, and Kyo-Beum Lee, "Offset-Free Robust Adaptive Back-Stepping Speed Control for Uncertain Permanent Magnet Synchronous Motor," IEEE Transactions on Power Electronics, vol. 31, no. 10, pp. 7065-7076, Dec. 2016. -SCI

2017
[117] Yeongsu Bak, June-Seok Lee, and Kyo-Beum Lee, Balanced Current Control Strategy for Current Source Rectifier Stage of Indirect Matrix Converter under Unbalanced Grid Voltage Conditions, Energies, vol. 10, no. 1, Jan. 2017. -SCIE
[118] Seok-Kyoon Kim, June-Seok Lee, and Kyo-Beum Lee, "Self-Tuning Adaptive Speed Controller for Unknown Permanent Magnet Synchronous Motor," IEEE Transactions on Power Electronics, vol. 32, no. 2, pp.1493-1506, Feb. 2017. -SCI
[119] Abdelsalam A. Ahmed, Byung-Kwon Koh, Hyo Sung Park, Kyo-Beum Lee, and Young Il Lee, "Finite Control Set Model Predictive Control Method for Torque Control of Induction Motors using a State Tracking Cost Index," IEEE Transactions on Industrial Electronics, vol. 64, no. 3, pp.1916-1928, Mar. 2017. -SCI
[120] Dong Yeop Han, Yongsoo Cho, and Kyo-Beum Lee, "Simple Sensorless Control of Interior Permanent Magnet Synchronous Motor Using PLL Based on Extended EMF," Journal of Electrical Engineering & Technology, vol. 12, no. 2, pp.711-717, Mar. 2017. -SCIE
[121] Min Ho Ahn, Jin-Hyuk Park, and Kyo-Beum Lee, "Model-Based Optimal Control Algorithm for Clamp Switch of Zero Voltage Switching DC-DC Converter," Journal of Power Electronics, vol. 17, no. 2, pp. 323-333, Mar. 2017. -SCIE
[122] June-Seok Lee and Kyo-Beum Lee, "Predictive Control of Vienna Rectifiers for PMSG Systems," IEEE Transactions on Industrial Electronics, vol. 64, no. 4, pp. 2580-2591, Apr. 2017. -SCI
[123] Hye Ung Shin, Seong Yun Kang, and Kyo-Beum Lee, "Torque Ripple Reduction in Direct Torque Control of Five-Phase Induction Motor Using Fuzzy Controller with Optimized Voltage Vector Selection Strategy," Journal of Electrical Engineering & Technology, vol. 12, no. 3, pp. 1177-1186, May 2017. -SCIE
[124] Yesl Shin, June-Seok Lee, and Kyo-Beum Lee, "Design of a CLC Filter for Flyback Type Micro-Inverters of Grid-Connected Photovoltaic Systems," IETE Journal of Research, vol. 63, no. 4, pp. 504-513, Jun. 2017. -SCIE
[125] Min-Gyo Jeong, Hye Ung Shin, Ju-Won Baek, and Kyo-Beum Lee, "An Interleaving Scheme for DC-Link Current Ripple Reduction in Parallel-Connected Generator Systems," Journal of Power Electronics, vol. 17, no. 4, pp. 1004-1013, Jul. 2017. -SCIE
[126] Tan Kheng Suan Freddy, June-Hee Lee, Hyun-Cheol Moon, Kyo-Beum Lee, and Nasrudin Abd Rahim, "Modulation Technique for Single-Phase Transformerless Photovoltaic Inverters with Reactive Power Capability," IEEE Transactions on Industrial Electronics, vol. 64, no. 9, pp. 6989-6999, Sep. 2017. -SCI
[127] Seong Yun Kang, Hye Ung Shin, Sung-Min Park, and Kyo-Beum Lee, "Optimal Voltage Vector Selection Method for Torque Ripple Reduction in Direct Torque Control of a Five-Phase Induction Motor," Journal of Power Electronics, vol. 17, no.5, pp. 1203-1210, Sep. 2017. -SCIE
[128] June-Hee Lee, June-Seok Lee, and Kyo-Beum Lee, "A Fault Diagnosis Method in Cascaded H-bridge Multilevel Inverter Using Output Current Analysis," Journal of Electrical Engineering & Technology, vol. 12, no.6, pp. 2278-2288, Nov. 2017. -SCIE
[129] Min-Gyo Jeong, Seok-Min Kim, June-Seok Lee, and Kyo-Beum Lee, "Discontinuous PWM Scheme for Switching Losses Reduction in Modular Multilevel Converters," Journal of Power Electronics, vol. 17, no.6, pp. 1490-1499, Nov. 2017. -SCIE

2018
[130] Yeongsu Bak, June-Seok Lee, and Kyo-Beum Lee, "Low-Voltage Ride-Though Control Strategy for a Grid-Connected Energy Storage System," Applied Science, vol. 8, no.1, Jan. 2018. -SCIE
[131] Jin-Hyuk Park and Kyo-Beum Lee, "Performance Improvement for Reduction of Resonance in a Grid-Connected Inverter System Using an Improved DPWM Method," Energies, vol. 11, no.1, Jan. 2018. -SCIE
[132] June-Seok Lee, Seung-Joo Lee, and Kyo-Beum Lee, "Novel Switching Method for Single-Phase NPC Three-Level Inverter with Neutral-Point Voltage Control," International Journal of Electronics, vol. 105, no.2, pp. 303-323, Feb. 2018. -SCI
[133] Yongsoo Cho, Yeongsu Bak, and Kyo-Beum Lee, "Torque-Ripple Reduction and Fast Torque Response Strategy for Predictive Torque Control of Induction Motors," IEEE Transactions on Power Electronics, vol. 33, no.3, pp. 2458-2470, Mar. 2018. -SCI
[134] Anatolii Tcai, Hye-Ung Shin, and Kyo-Beum Lee, "DC-Link Capacitor Current Ripple Reduction in DPWM based Back-to-Back Converters," IEEE Transactions on Industrial Electronics, vol. 65, no.3, pp. 1897-1907, Mar. 2018. -SCI
[135] June-Hee Lee and Kyo-Beum Lee, "A Dead-Beat Control for Bridgeless Inverter Systems to Reduce the Distortion of Grid Current," IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 6, no.1, pp. 151-164, Mar. 2018. -SCIE
[136] Yeongsu Bak and Kyo-Beum Lee, "Constant Speed Control of a Permanent Magnet Synchronous Motor Using a Reverse Matrix Converter under Variable Generator Input Conditions," IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 6, no.1, pp. 315-326, Mar. 2018. -SCIE
[137] Jin-Hyuk Park, SongHee Yang, and Kyo-Beum Lee, "Synchronous Carrier-based Pulse Width Modulation Switching Method for a Vienna Rectifier," Journal of Power Electronics, vol. 18, no.2, pp. 604-614, Mar. 2018. -SCIE
[138] Seok-Kyoon Kim and Kyo-Beum Lee, "Robust Offset-Free Speed Tracking Controller of Permanent Magnet Synchronous Generator for Wind Power Generation Applications," Electronics, Vol. 7, Iss. Apr. 2018. -SCIE
[139] Yeongsu Bak and Kyo-Beum Lee, "Reverse Matrix Converter Control Method for PMSM Drives Using DPC," International Journal of Electronics, vol. 105, no.5, pp. 725-740, May 2018. -SCI
[140] Joon Young Park, Jiook Sin, Yeongsu Bak, Sung-Min Park, and Kyo-Beum Lee, "Common-mode Voltage Reduction for Inverters Connected in Parallel Using an MPC Method with Subdivided Voltage Vectors," Journal of Electrical Engineering and Technology, vol. 13, no.3, pp. 1212-1222, May 2018. -SCIE
[141] Han Rim Lee, Jin-Hyuk Park, and Kyo-Beum Lee, "Optimal Soft-Switching Scheme for a Bidirectional DC-DC Converters with Auxiliary Circuit," Journal of Power Electronics, vol. 18, no.3, pp. 681-693, May 2018. -SCIE
[142] Yong-Dae Kwon, Jin-Hyuk Park, and Kyo-Beum Lee, "Improving Line Current Distortion in Single-Phase Vienna Rectifiers Using Model-Based Predictive Control," Energies, vol. 11, no. 5, May 2018. -SCIE
[143] June-Seok Lee, Hyun-Woo Sim, Juyong Kim, and Kyo-Beum Lee, "Combination Analysis and Switching Method of a Cascaded H-Bridge Multilevel Inverter Based on Transformers with the Different Turns-Ratio for Increasing the Voltage Level," IEEE Transactions on Industrial Electronics, vol. 65, no.6, pp. 4454-4465, Jun. 2018. -SCI
[144] Hyo-Chul In, Seok-Min Kim, and Kyo-Beum Lee, "Design and Control of Small DC-link Capacitor-Based Three-Level Inverter with Neutral-Point Voltage Balancing," Energies, vol.11, no.6, Jun. 2018 -SCIE
[145] Seok-Kyoon Kim, June-Seok Lee, and Kyo-Beum Lee, "Robust Speed Control Algorithm with Disturbance Observer for Uncertain PMSM," International Journal of Electronics, vol. 105, no.8, pp. 1300-1318, Aug. 2018. -SCI
[146] Seok-Kyoon Kim, Jin-Hyuk Park, and Kyo-Beum Lee, "Robust optimal output voltage tracking algorithm for interleaved N-phase DC/DC boost converter with performance recovery property, International Journal of Electronics, vol.105, no.10, pp.1673-1694, Oct. 2018 -SCI
[147] Ibrahim Alsofyani, Nik Rumzi Nik Idris, and Kyo-Beum Lee, "Dynamic Hysteresis Torque Band for Improving the Performance of Lookup-Table-Based DTC of Induction Machines," IEEE Transactions on Power Electronics, in press. -SCI
[148] June-Seok Lee, Raeho Kwak, and Kyo-Beum Lee, "Novel Discontinuous PWM Method for a Single-Phase Three-Level Neutral Point Clamped Inverter with Efficiency Improvement and Harmonic Reduction," IEEE Transactions on Power Electronics, in press.-SCI

[149] Jae-Goo Kim, Kyo-Beum Lee, and Jungwook Park, "Clamping-Angle Control PWM Method to Restore Linear Modulation Range of Voltage Source Inverter," IEEE Transactions on Power Electronics, in press. -SCI

[150] Seok-Min Kim, Min-Gyo Jeong, Juyong Kim, and Kyo-Beum Lee, "Hybrid Modulation Scheme for Switching Loss Reduction in a Modular Multilevel High-voltage Direct Current Converter," IEEE Transactions on Power Electronics, in press. -SCI

[151] Seok-Min Kim, In Jung Won, Juyong Kim, and Kyo-Beum Lee, "DC-link Ripple Current Reduction Method for Three-level Inverters with Optimal Switching Pattern," IEEE Transactions on Industrial Electronics, in press. -SCI
[152] Young Seol Lim, June-Seok Lee, and Kyo-Beum Lee, "Advanced Speed Control for Five-Leg Inverter Driving a Dual-Induction Motor System," IEEE Transactions on Industrial Electronics, in press. -SCI
[153] Hyun Cheol Moon, June-Seok Lee, and Kyo-Beum Lee, "A Robust Deadbeat Finite Set Model Predictive Current Control Based on Discrete Space Vector Modulation for Grid-Connected Voltage Source Inverter," IEEE Transactions on Energy Conversion, in press. -SCI
[154] June-Hee Lee, Hyun Cheol Moon, June-Seok Lee, and Kyo-Beum Lee, "Improved Finite Set-Model Predictive Control Based on Discrete Space Vector Modulation for Grid-Connected Three-Level Voltage Source Inverters," IEEE Journal of Emerging and Selected Topics in Power Electronics, in press. -SCIE
[155] Yeongsu Bak and Kyo-Beum Lee, "Discontinuous PWM Method for Reduction of Switching Losses in Indirect Matrix Converter Drives," Journal of Power Electronics, in press. -SCIE
[156] Seok-Kyoon Kim, Jin-Hyuk Park, and Kyo-Beum Lee, "Performance Recovery Output Voltage Controller for DC/DC Boost Converter," International Journal of Electronics, in press. -SCI
 
 Domestic Journals

1999
[1] Kyo-Beum Lee, Joong-Ho Song, Ick Choy, Kwang-Bae Kim, and Kwang-Won Lee, "Ű ⸦ ̿ 2 ӵ ," ȸ, vol. 48A, no. 3, pp. 286-293, Mar. 1999.
[2] Chang-Han Bae, Kyo-Beum Lee, Joong-Ho Song, and Kwang-Won Lee, "Է ¾ ," ȸ, vol. 48B, no. 9, pp. 510-516, Sep. 1999.

2000
[3] Kyo-Beum Lee, Joong-Ho Song, Ick Choy, Kwang-Bae Kim, and Ji-Yoon Yoo, "3 ιͷ Ǵ ũ Ӽ ," ȸ, vol. 49B, no. 10, pp. 693-700, Oct. 2000.
[4] Kyo-Beum Lee, Joong-Ho Song, Ick Choy, and Ji-Yoon Yoo, "3 ιͷ Ǵ ũ ũ ," ȸ. vol. 5, no. 6, pp. 620-631, Dec. 2000.

2002
[5] Jae-Young Jang, Kyo-Beum Lee, Joong-Ho Song, Ick Choy, Ji-Yoon Yoo, and Ju-Yeop Choi, "ι ܶ⿡ ," ȸ, vol. 51B, no. 3, pp. 116-124, Mar. 2002.

2004
[6] Kyo-Beum Lee, Jooho Song, Joong-Ho Song, and Ick Choy, "ο Ȯ 翣 ⸦ ̿ ," ȸ, vol. 53B, no. 3, pp. 173-179, Mar. 2004.
[7] Kyo-Beum Lee, Joong-Ho Song, Ick Choy, and Ji-Yoon Yoo, "Ȯ 翣 ⸦ ̿ ," ȸ, vol. 9, no. 3, pp. 231-239, June 2004.
[8] Kyo-Beum Lee, " 𵨸 ܶ ⸦ ̿ Matrix Converter Ǵ ," ȸ, vol. 53B, no. 8, pp. 500-508, Aug. 2004.
[9] Kyo-Beum Lee and Ji-Yoon Yoo, " Լ ܶ⸦ ̿ ý ɰ," ȸ, vol. 9, no. 5, pp. 467-477, Oct. 2004.
[10] Kyo-Beum Lee, "PQR ̷ ̿ Matrix Converter ġ Ư ," ȸ, vol. 53B, no. 12, pp. 751-758, Dec. 2004.

2005
[11] Kyo-Beum Lee, " ̿ Matrix Converter Ǵ Ȯ 翣 ɰ," ȸ, vol. 10, no. 4, pp. 363-372, Aug. 2005.

2007
[12] Kyo-Beum Lee, "Ʈ ͸ ̿ ġ ̷ ," ȸ, vol. 56, no. 3, pp. 524-530, Mar. 2007.

2008
[13] Won-Sang Kim, Gyung-Hun Sim, Kyo-Beum Lee, Byung-Chang Jeong, and Seung-Ho Song, "̵ ߿ dz¹ý ," ȸ, vol. 13, no. 2, pp. 152-162, April 2008.
[14] Gyung-Hun Sim, Sung-Hoi Huh, and Kyo-Beum Lee, "Ʈ ͸ ̿ ġ ظ ," ȸ, vol. 57, no. 4, pp. 610-616, April 2008.
[15] Hae-Gwang Jeong, Kyo-Beum Lee, Shin-Il Kang, Hyen Young Lee, Oh-Joeng Kwon, and Seung-Ho Song, " ̷ ̿ 뿬 PWM ι ý ɰ," ȸ, vol. 13, no. 4, pp. 319-327, Aug. 2008.

2009
[16] Seo-Hyeong Kim, Seong-Tak Ju, Hae-Gwang Jeong, Kyo-Beum Lee, and Gyu-Bum Jung, "2 Space Dithered Sigma-Delta Modulation Random PWM Ī ̿ DC-DC ," ȸ, vol. 14, no. 1, pp. 54-61, Feb. 2009.
[17] Sang-Hyun Kim, Kyo-Beum Lee, Sewan Choi, and Woojin Choi, "ڿ Ŀн Ư ," ȸ, vol. 14, no. 3, pp. 188-196, June 2009.
[18] Sung-Sik Park, Sewan Choi, Woojin Choi, and Kyo-Beum Lee, "¾к ZVS DC-DC ," ȸ, vol. 14, no. 9, pp. 315-322, Aug. 2009.

2010
[19] Duk-Hong Kang, Dae-Keun Choi, and Kyo-Beum Lee, " DFT ̿ ȿº ܵ ," ȸ, vol. 15, no. 3, pp. 179-187, June. 2010.
[20] Eunsil Lee, Kiwoo Park, and Kyo-Beum Lee, "Է ܶ Ȳ Űȸθ ⸦ ̿ Ʈ ," ȸ, vol. 15, no. 3, pp. 199-206, June 2010.
[21] Sang-Hyouk Lee, Hae-Gwang Jeong, Kyo-Beum Lee, Se-Wan Choi, and Woo-Jin Choi, "PMSG ̿ dz ý 3 ," ȸ, vol. 15, no. 4, pp. 296-308, Aug. 2010.
[22] Young-Dong Yoo, Kyo-Beum Lee, and Suk-Kyo Hong, "ܶ⸦ ̿ ڵ ý ," ȸ , vol. 15, no. 5, pp. 352-360, Oct. 2010.
[23] Young-Dong Yoo, Kyo-Beum Lee, and Suk-Kyo Hong, "ܶ Ű ȸθ ̿ ڵ ý ," ȸ , vol. 15, no. 5, pp. 401-410, Oct. 2010.
[24] Xingsi Pu, Kyung-Hyun Kim, Dong-Choon Lee, Kyo-Beum Lee, and Jang-Mok Kim, "ũ Ŀн 뷮 µƯ ," ȸ , vol. 15, no. 5, pp. 387-393, Oct. 2010.

2011
[25] Yo-Han Park, Se-Wan Choi, Woo-Jin Choi, and Kyo-Beum Lee, "¾ ͸ CCM-ZVZCS ," ȸ , vol. 16, no. 2, pp. 114-121, Apr. 2011.
[26] Hae-Gwang Jeong and Kyo-Beum Lee, "̵  ̿ 뿬 dz¹ ý LVRT ," ȸ , vol. 16, no. 4, pp. 396-404, Aug. 2011.
[27] Je-Wook Park, Seong-Won Baek, Jang-Mok Kim, Dong-Choon Lee, and Kyo-Beum Lee, " Ƶ ̿ 3 ̿ ," ȸ , vol. 16, no. 5, pp. 457-465, Oct. 2011.
[28] Hyun-Hee Lee, Dae-Keun Choi, and Kyo-Beum Lee, "- ⸦ ̿ 뿬 dz¹ ý MPPT ," ȸ , vol. 16, no. 5, pp. 484-493, Oct. 2011.

2012
[29] Byoung-Seoup Lee, June-Seok Lee, and Kyo-Beum Lee, "̵ ̵  ̿ 뿬 ι ɰ," ȸ , vol. 17, no. 1, pp. 57-66, Feb. 2012.
[30] Dae-Keun Choi and Kyo-Beum Lee, "dz¹ý MPPT ," ȸ , vol. 17, no. 3, pp. 205-212, June. 2012.

2013
[31] Eunsil Lee, Kyo-Beum Lee, and Gyu-Bum Joung, "Ľ Ʈ ," ȸ , vol. 18, no. 3, pp. 217-224, June. 2013.
[32] Jung-Hyun Kim, Gwang-Seob Kim, and Kyo-Beum Lee, "¾籤 ͸ ⸦ Űȸθ- MPPT ," ȸ , vol. 18, no. 4, pp. 349-358, Aug. 2013.
[33] Yesl Shin, Kyo-Beum Lee, Yong-Ho Jeon, and Bong-Sob Song, "ִ ¾籤 ڵ ý ," ȸ , vol. 18, no. 4, pp. 376-386, Aug. 2013.
[34] Jung-Hyun Kim, Sung-Tak Jou, and Kyo-Beum Lee, "¾籤 ͸ ⸦ ˰" ȸ , vol. 18, no. 6, pp. 507-514, Dec. 2013.
[35] Kyoung-Gu Lee, June-Seok Lee, and Kyo-Beum Lee, " ڼ ⸦ ڼ ӵ ," ȸ , vol. 18, no. 6, pp. 565-572, Dec. 2013.

2014
[36] Kyun-Seon Ji, Sung-Tak Jou, Hae-Gwang Jeong, and Kyo-Beum Lee, "3- NPC ιͿ Ŭε ʴ ġ ," ȸ , vol. 19, no. 3, pp. 257-265, June 2014.
[37] Dae Joong Kim, Jin-Hyuk Park, and Kyo-Beum Lee, " ڵ ޼ ȿ ս м," ȸ , vol. 63, no. 8, pp. 1055-1063, Aug. 2014.
[38] Woo Jin Choi, Eunsil Lee, Joong-ho Song, Young-II Lee, and Kyo-Beum Lee, "Model Predictive Control for Induction Motor Drives Fed by a Matrix Converter," κýȸ , vol. 20, no. 9, pp. 900-907, Sept. 2014.
[39] Dae-Keun Choi and Kyo-Beum Lee, "ٻ ͸ DC/DC ͸ 𵨱 ," ȸ , vol. 19, no. 5, pp. 415-421, Oct. 2014.
[40] Jae-Seung Yoon, Dong-Hee Kim, Hye-Ung Shin, and Kyo-Beum Lee, " ̷а ̵  ̿ ġ Ͻ ũ ," ȸ , vol. 63, no. 10, pp. 1384-1392, Oct. 2014.

2015
[41] Seung-Joo Lee, June-Seok Lee, and Kyo-Beum Lee, "ġ ս Ҹ ܻ 3 NPC ι ο Ī ," ȸ , vol. 64, no. 2, pp. 268-275, Feb. 2015.
[42] Hye-Ung Shin and Kyo-Beum Lee, " dz ġ Ͻ ," ȸ , vol. 64, no. 3, pp. 405-410, Mar. 2015.
[43] Byoung-Seoup Lee, Tae-Min Yoon, Jong-Hoon Kim, and Kyo-Beum Lee, "ؼ Ǯ-긴 DC-DC ," ȸ , vol. 64, no. 4, pp. 552-559, Apr. 2015.
[44] Hye-Ung Shin, Sung Tak Jou, Kyo-Beum Lee, and Man Yop Han, "ڼ ݹ߷° ڸø ȿ ̿ Ʈ̴ ̷ ," ȸ , vol. 64, no. 5, pp. 694-700, May. 2015.
[45] Seok-Min Kim, June-Seok Lee, and Kyo-Beum Lee, "Cascaded Ƽ ι  Level-Shifted PWM ο ," ȸ , vol. 64, no. 5, pp. 718-725, May. 2015.
[46] Eunsil Lee, Woo Jin Choi, and Kyo-Beum Lee, "ũ Ʈ ," κýȸ , vol. 21, no. 7, pp. 662-668, July 2015.
[47] Dong Yeob Han, Jin-Hyuk Park, and Kyo-Beum Lee, "ܻ ι Ư DC ˰," ȸ , vol. 64, no. 7, pp. 1005-1011, July 2015.
[48] Woo-Jin Choi, Kyo-Beum Lee, and Gyu-Bum Joung, " Էп Ʈ Ī ͸ DC-DC ," ȸ , vol. 20, no. 4, pp. 313-320, Aug. 2015.
[49] Kyun Seon Ji, Sung Tak Jou, and Kyo-Beum Lee, " ⺸ к ," ȸ , vol. 64, no. 9, pp. 1297-1305, Sept. 2015.
[50] Sung Tak Jou and Kyo-Beum Lee, "Ƴα ȸθ ̿ 3 PWM ," ȸ , vol. 64, no. 11, pp. 1564-1570, Nov. 2015.
[51] Sung Tak Jou and Kyo-Beum Lee, "̷ ⸦ ڱ⺣ ̴ ȸ ," ȸ , vol. 64, no. 12, pp. 1703-1708, Dec. 2015.

2016
[52] Seung-Koo Baek, Hye-Ung Shin, Seong-Yun Kang, Choon-Soo Park, and Kyo-Beum Lee, "5 ý ι ," ȸ , vol. 65, no. 2, pp. 304-310, Feb. 2016.
[53] Jung-Rok Lee, Seung-Gyu Seo, and Kyo-Beum Lee, "DPWM 3 ι LCL- ," ȸ , vol. 65, no. 3, pp. 419-427, Apr. 2016.
[54] Dong Yeob Han, Jae Seung Yoon, Yongsoo Cho, and Kyo-Beum Lee, " ڼ ȯ ," ȸ , vol. 65, no. 8, pp. 1362-1368, Aug. 2016.
[55] Seung Gyu Seo, Yongsoo Cho,and Kyo-Beum Lee "3 ι SVPWM LCL- ," ȸ , vol. 21, no. 6, pp. 538-541, Dec. 2016.

2017
[56] Seong Yun Kang, Jae Seung Yoon, Hye Ung Shin, and Kyo-Beum Lee " ڼ ⸦ ̿ ڼ ӵ ˰ ," ȸ , vol. 66, no. 2, pp. 339-346, Feb. 2017.
[57] Hyun-Cheol Moon, June-Seok Lee, June-Hee Lee, and Kyo-Beum Lee " ȭ к͸ ̿ SVM ," ȸ , vol. 22, no. 1, pp. 18-26, Feb. 2017.
[58] Young-Seol Lim, Duck-Ho Shin, June-Seok Lee, and Kyo-Beum Lee "ö ý FLI(Five-leg Inverter) м," ѱöȸ, vol. 20, no. 1, pp. 43-54, Feb. 2017.
[59] Songhee Yang, Jin-Hyuk Park, and Kyo-Beum Lee " Ī ļ 񿣳 ǰ ," ȸ , vol. 22, no. 2, pp. 181-184, Apr. 2017.
[60] Jiook Sin, Yeongsu Bak, Seong-Soo Park, and Kyo-Beum Lee "뿬 3- NPC ι 6 ̿ ," ȸ , vol. 66, no. 5, pp. 778-785, June 2017.
[61] Joon Young Park, Seok-Min Kim, SeungGyu Seo, Seong-Soo Park, and Kyo-Beum Lee " 3- ι ý LCL- ," ȸ , vol. 21, no. 2, pp. 105-114, June 2017.
[62] Hyo-Chul In, Seok-Min Kim, Seong-Soo Park, and Kyo-Beum Lee "ҿ뷮 Ŀн͸ 3- NPC ι - ǰ ," ȸ , vol. 22, no. 4, pp. 369-372, Aug. 2017.
[63] Yoon Jang, Yeongsu Bak, and Kyo-Beum Lee "ö EMB Ŭ ũ ," ȸ , vol. 21, no. 3, pp. 174-184, Sep. 2017.
[64] Jae Jin Lee, Woo Jin Choi, Seok-Min Kim, Joon Young Park, and Kyo-Beum Lee "CPU ڰ ¾籤 ƮĿ ý," ȸ , vol. 21, no. 3, pp. 211-218, Sep. 2017.

2018
[65] Keon Young Kim, Yeongsu Bak, and Kyo-Beum Lee "ؼ Ǻ ּ IPMSM ȸ ʱ ġ ," ȸ , vol. 23, no. 1, pp. 72-75, Feb. 2018.
 
 International Conferences

1998
[1] J. H. Song, K. B. Lee, I. Choy, K. B. Kim, J. Y. Choi, and K. W. Lee, "Vibration control of 2-mass system using a neural network torsional torque estimator," IEEE IECON '98, pp. 1785-1788, 1998.

2000
[2] K. B. Lee, J. H. Song, I. Choy, and J. Y. Choi, "An observer-based DTC of induction motors driven by 3-level inverter for improving low speed operation," IEE PEVD2000, pp. 170-175, 2000.
[3] K. B. Lee, J. H. Song, I. Choy, J. Y. Choi, J. H. Yoon, and S. H. Lee, "Torque Ripple Reduction in DTC of Induction Motor Driven by 3-level Inverter with Low Switching Frequency," IEEE PESC00 (Power Electronics Specialist Conference), pp. 448-453, 2000.
[4] Jooho Song, Kyo-Beum Lee, Joon-Ho Song, Ick Choy, and Kwang-Bae Kim, "Sensorless Vector Control of Induction Motor Using a Novel Reduced-Order Extended Luenberger Observer," IEEE IAS2000, pp. 1828-1834, 2000.

2001
[5] Kyo-Beum Lee, Joong-Ho Song, Ick Choi, Kwang-Bae Kim, and Ji Yoon Yoo, "Direct torque control of induction motor driven by 3-level inverter," ICEE2001 (International Conference on Electrical Engineering), pp. 1315-1319, 2001.
[6] Jae-Young Jang, Kyo-Beum Lee, Joong-Ho Song, and Ick Choy, "Disturbance Observer-Based Digital Control for Single-Phase UPS Inverters," IEEE ISIE2001 (IEEE International Symposium on Industrial Electronics), pp. 1095-1099, 2001.
[7] Lee, Kyo-Beum, Song, Joong-Ho, Woo, Myung-Ho, and Choy, Ick, "Single-phase active filter for higher order harmonics compensation," EPE2001 (European Conference on Power Electronics and Applications), CD format, 2001.
[8] Chang-Hee Won, Kyo-Beum Lee, Dae-Jin Bak, Joong-Ho Song, Ick Choy, and Ji-Yoon Yoo, "Commutation Torque Ripple Reduction in Brushless DC Motor Drives Using Single DC Current Sensor," ICPE'01(International Conference on Power Electronics), pp. 409-413, 2001.

2002
[9] Chang-Hee Won, Kyo-Beum Lee, Joong-Ho Song, Ick Choy, and Myotaeg Lim, "A Neutral-Voltage-Compensation Sensorless Control of Brushless DC Motors," ICEE2002, pp.717-722, 2002.
[10] Gil-Su Lee. Dong-Hyun Lee, Tae-Woong Yoon, Kyo-Beum Lee, Joong-Ho Song, and Ick Choy, "Speed and Flux Estimation for an Induction Motor," ICCAS2002, pp. 390-394, 2002.

2003
[11] Kyo-Beum Lee, Joong-Ho Song, Ick Choy, and Ji-Yoon Yoo, "An Inertia Identification Using ROELO for Low Speed Control of Electric Machine," IEEE APEC2003 (Applied Power Electronics Conference), pp. 1052-1055, 2003.
[12] H. S. Huh, K. B. Lee, J. Y. Yoo, G. T. Park, and I. Choy, "Design of a Robust Stable Speed-Sensorless Induction Motor Direct Torque Control Systems with an Uncertainty Observer Using a Universal Approximator," IEEE PESC03, pp. 580-585, 2003.
[13] H. S. Huh, K. B. Lee, I. Choy, G. T. Park, K. Lyu, and T. G. Song, "An Improvement of Speed Performances of DTC for Induction Motor with an Uncertainty Observer Using a Universal Approximator," IEEE IAS2003, pp. 1976-1981, 2003.

2004
[14] Kyo-Beum Lee and Frede Blaabjerg, "Performance Improvement of Sensorless Vector Control for Induction Motor Drives Fed by Matrix Converter Using Nonlinear Model and Disturbance Observer," IEEE PESC04, pp. 1341-1347, 2004.
[15] Kyo-Beum Lee and Frede Blaabjerg, "Reduced Order Extended Luenberger Observer Based Sensorless Vector Control Fed By Matrix Converter with Nonlinear Modeling," EPE-PEMC04, pp. 4.292-4.299, 2004.
[16] Kyo-Beum Lee and Frede Blaabjerg, "Performance Improvement of Servo Machine for Low Speed Operation Using RBFN Disturbance Observer," IEEE IECON04, pp. 914-919 (vol.1), 2004.

2005
[17] Kyo-Beum Lee and Frede Blaabjerg, "Performance Improvement of DTC-SVM for Matrix Converter Drives Using an Overmodulation Strategy," IPEC-Niigata 2005, CD format, 2005.
[18] Kyo-Beum Lee and Frede Blaabjerg, "A Non-Linearity Compensation Method for Matrix Converter Drive Using PQR Transformation," IEEE PESC05, pp. 2403-2409, 2005.
[19] Kyo-Beum Lee, Frede Blaabjerg, and Kwang-Won Lee, "A Simple DTC-SVM Method for Matrix Converter Drives Using a Deadbeat Scheme," EPE2005, CD format, 2005.
[20] Kyo-Beum Lee, Frede Blaabjerg, and Tae-Woong Yoon, "Speed-Sensorless DTC-SVM DTC-SVM for Matrix Converter Drives With Simple Non-Linearity Compensation," IEEE IAS2005, pp. 2367-2373, 2005.
[21] Kyo-Beum Lee and Frede Blaabjerg, "A Novel Unified DTC-SVM for Sensorless Induction Motor Drives Fed by a Matrix Converter," IEEE IAS2005, pp. 2360-2366, 2005.
[22] Kyo-Beum Lee and Frede Blaabjerg, "Robust and Stable Disturbance Observer of Servo System for Low Speed Operation Using the Radial Basis Function Network," IEEE IAS2005, pp. 1705-1710, 2005.

2006
[23] Kyo-Beum Lee and Frede Blaabjerg, "Sensorless Scheme for Induction Motor Drives Fed by a Matrix Converter Using Power Theory," IEEE PESC06, pp. 641-647, 2006.
[24] Kyo-Beum Lee and Frede Blaabjerg, "Sensorless Power Control for Induction Motor Drives Fed by a Matrix Converter," IEEE IAS2006, pp. 1242-1248, 2006.

2007
[25] Won-sang Kim, Kyo-Beum Lee, Sunghoi Huh, and Frede Blaabjerg, "Robust sensorless Control for Induction Motor Drives Fed by a Matrix Converter with Variable Structure - Model Reference Adaptive Control," IEEE PESC07, pp. 2423-2427, 2007.
[26] Gyung-hun Sim, Kyo-Beum Lee, and Frede Blaabjerg, "Robust DTC-SVM Method for Matrix Converter Drives with Model Reference Adaptive Control Scheme," EPE2007, pp. 1-8, Sept, 2007.

2008
[27] Hae-Gwang Jeong, Won-Sang Kim, Kyo-Beum Lee, Byung-Chang Jeong, and Seung-Ho Song, "A Sliding-Mode Approach to Control the Active and Reactive Powers for A DFIG in Wind Turbines," IEEE PESC08, pp. 120-125, 2008.
[28] Won-Sang Kim, Seong-Tak Ju, Kyo-Beum Lee, and Steve Watkins, "Direct Power Control of a Doubly Fed Induction Generator Using a SVM-Method," IEEE IAS2008, CD format, 2008.

2009
[29] Seo-Hyeong Kim and Kyo-Beum Lee, "Elimination of Harmonic Spikes using Second-Order Space Dithered Sigma-Delta Modulation," EPE2009, CD format, 2009.
[30] Kiwoo Park and Kyo-Beum Lee, "A Novel Sparse Matrix Converter with a Z-Source Network," IEEE IECON09, pp. 4523-4528, 2009.
[31] Kiwoo Park, Sung-Tak Jou, and Kyo-Beum Lee, "Z-Source Matrix Converter with Unity Voltage Transfer Ratio," IEEE IECON09, pp. 4559-4564, 2009.

2010
[32] Yi-Kyu Kang, Hae-Gwang Jeong, and Kyo-Beum Lee, "Control Method in a Wind Turbine driven by 3-Parallel Back-to-Back Converters using PQR Power Transformation," IPEC2010, pp. 2562-2598, 2010.
[33] Dae-Keun Choi, Duk-Hong Kang, and Kyo-Beum Lee, "A Novel Gain Scheduling Method for Distributed Power Generation Systems with a LCL-Filter By Estimating Grid impedance," IEEE ISIE2010, pp. 3438-3443, 2010.
[34] Kiwoo Park, Eun-Sil LEE, and Kyo-Beum Lee, "A Z-source Sparse Matrix Converter with a Fuzzy Logic Controller based Compensation Method under Abnormal Input Voltage Conditions," IEEE ISIE2010, pp. 604-609, 2010.
[35] Sol-Bin Lee and Kyo-Beum Lee, "Performance Improvement of a DFIG in a Wind Turbine under an Unbalanced Grid-Voltage Condition," IEEE ISIE2010, pp. 986-991, 2010.
[36] Dong-Geun Yoon, Hae-Gwang Jeong, and Kyo-Beum Lee, "The Design of an LCL-Filter for the Three-Parallel Operation of a Power Converter in a Wind Turbine," IEEE ECCE (Energy Conversion Congress & Expo), pp. 1537-1544, 2010.
[37] Kiwoo Park and Kyo-Beum Lee, "A Z-source Sparse Matrix Converter under a Voltage Sag Condition," IEEE ECCE, pp. 2893-2898, 2010.

2011
[38] Youngjong Ko, Kiwoo Park, Kyo-Beum Lee, and Frede Blaabjerg, "A New PLL System using Full Order Observer and PLL System Modeling in a Single Phase Grid-Connected Inverter," IEEE ICPE & ECCE, pp. 803-808, 2011.
[39] Youngjong Ko, Hae-Gwang Jeong, Kyo-Beum Lee, Dong-Choon Lee, and Jang-Mok Kim, "Diagnosis of the Open-Circuit Fault in Three-Parallel Voltage-Source Converver for a High-Power Wind Turbine," IEEE ECCE2011, pp. 877-882, 2011.
[40] Won-Sang Im, Jang-Mok Kim, Dong-Choon Lee, and Kyo-Beum Lee, "Diagnosis and Fault-tolerant Control of 3-phase AC-DC PWM Converter System," IEEE ECCE2011, pp. 1328-1333, 2011.

2012
[41] Won-Sang Im, Jong-Joo Moon, Jang-Mok Kim, Dong-Choon Lee, and Kyo-Beum Lee,"Fault Tolerant Control Strategy of 3-phase AC-DC PWM Converter under Multiple Open-switch Faults Conditions," IEEE APEC2012 , pp. 789-795, 2012.
[42] Eunsil Lee and Kyo-Beum Lee, "Fault Diagnosis for a Sparse Matrix Converter using Current Patters," IEEE APEC2012, pp. 1549-1554, 2012.
[43] Eunsil Lee, Kyo-Beum Lee, Jae-Sik Lim, Youngil Lee and Joong-Ho Song, "Predictive Current Control for a Sparse Matrix Converter," IPEMC2012, pp. 36-40, 2012.
[44] Ui-Min Choi, Hae-Gwang Jeong and Kyo-Beum Lee, "Method of Neutral-point Voltage Balancing for a Grid Connected NPC Inverter System with Time-offset Variant Estimating," IPEMC2012, pp. 499-504, 2012.
[45] Jong-Kyu Kim, Jong-Hyun Lee, Hae-Gwang Jeong, and Kyo-Beum Lee, "Improvement of Grid-Connected Inverter Systems with PR Controllers under the Unbalanced and Distorted Grid Voltage," IPEMC2012, pp. 1183-1187, 2012.
[46] Gwang-Seob Kim and Kyo-Beum Lee, "Fault Diagnosis and Fault-Tolerant Control of a DC-Link Voltage Sensor for PV Inverters," IPEMC2012, pp. 1408-1412, 2012.
[47] Ui-Min Choi, Kyo-Beum Lee, and Frede Blaabjerg, "Diagnosis method of Open-Switch Fault for a Grid-Connected T-type Three-level Inverter System," PEDG2012, pp. 470-475, 2012.
[48] Ui-Min Choi, Kyo-Beum Lee, "Detection Method of an Open-Switch Fault and Fault-Tolerant Strategy for a Grid-Connected T-Type Three-Level Inverter System," ECCE2012, pp. 4188-4195, 2012.
[49] Hyun-Hee Lee, Ui-Min Choi, and Kyo-Beum Lee, "Neutral-Point Voltage Control for Grid-connected Three-Level Inverters using a Discontinuous Pulse Width Modulation," VPPC2012, pp. 638-642, 2012.
[50] Hae-Gwang Jeong, Kyo-Beum Lee, "Stability Improvement in an On-Board Battery Charger for Electric Vehicles," VPPC2012, pp. 690-694, 2012.


2013
[52] June-Seok Lee and Kyo-Beum Lee, "Modulation Technique to Reduce Leakage Current in Transformerless Photovoltaic Systems using a Three-Level Inverter," IEEE APEC2013, pp. 700-705, 2013.
[53] Yongsoo Cho, Kyo-Beum Lee, Mengqiu Li, Joong-Ho Song, and Young Il Lee, "Novel Torque Predictive Control for a Permanent-Magnet Synchronous Motor with Minimum Torque Ripple and Fast Dynamics," IEEE APEC2013, pp. 2253-2258, 2013.
[54] Hyunseob Kim, Jungho Han, Young-Il Lee, Joong-Ho Song, Kyo-Beum Lee, "Torque Predictive Control of Permanent-Magnet Synchronous Motor using Duty Ratio Prediction," IEEE ISIE2013, CD format, 2013.
[55] Hak-Seung Ro, Hae-Gwang Jeong, and Kyo-Beum Lee, "Torque Ripple Minimization of Switched Reluctance Motor Using Direct Torque Control Based on Sliding Mode Control," IEEE ISIE2013, CD format, 2013.
[56] Dong-Hee Kim, Hae-Gwang Jeong, and Kyo-Beum Lee, "Torque Ripple Minimization of Switched Reluctance Motors Based on Fuzzy Logic and Sliding Mode Control," IEEE ISIE2013, CD format, 2013.
[57] Hae-Gwang Jeong, Hak-Seung Ro, and Kyo-Beum Lee, "A Control Scheme of the Low Voltage Ride Through in Wind turbines using a Direct Power Control Based on a Sliding Mode Control," IEEE ISIE2013, CD format, 2013.
[58] Yongsoo Cho, Dong-Hee Kim, Kyo-Beum Lee, Young Il Lee, and Joong-Ho Song, "Torque Ripple Reduction and Fast Torque Response Strategy of Direct Torque Control for Permanent-Magnet Synchronous Motor," IEEE ISIE2013, CD format, 2013.
[59] June-Seok Lee, Kyo-Beum Lee, and Frede Blaabjerg, "Open-Switch Fault Detection Method of an NPC Converter for Wind Turbine Systems," IEEE ECCE2013, pp. 1696-1701, 2013.
[60] Ui-Min Choi, Kyo-Beum Lee, and Frede Blaabjerg, "Method to Minimize the Low-Frequency Neutral-Point Voltage Oscillations with Time-Offset Injection for Neutral-Point-Clamped Inverters," IEEE ECCE2013, pp. 4022-4029, 2013.
[61] Hak-Seung Ro, Dong-Hee Kim, Hae-Gwang Jeong, and Kyo-Beum Lee, "A Fault Diagnosis and Tolerant Method for Switched Reluctance Motor Drives," IEEE ECCE2013, pp. 4294-4299, 2013.

2014
[62] Kyoung-Gu Lee, June-Seok Lee, and Kyo-Beum Lee, "SPMSM Sensorless Control for Wide Speed Range Using Full-Order Flux Observer," IEEE ICIT2014, pp. 164-168, 2014.
[63] Woo Jin Choi, Eunsil Lee, and Kyo-Beum Lee, "A Novel MPC-SVM Strategy for Direct Torque Flux Control of an Induction Motor Drive System Using a Matrix Converter," IEEE ICIT2014, pp. 181-186, 2014.
[64] Yongsoo Cho, Woo Jin Choi, and Kyo-Beum Lee, "Model Predictive Control Using a Three-Level Inverter for Induction Motors With Torque Ripple Reduction," IEEE ICIT2014, pp. 187-192, 2014.
[65] Ui-Min Choi, Frede Blaabjerg, and Kyo-Beum Lee, "Independent Control Strategy of Two DC-link Voltages for Separate MPPTs in Transformerless Photovoltaic," IEEE APEC2014, pp. 1718-1724, 2014.
[66] June-Seok Lee, Kyo-Beum Lee, "Tolerance Controls for Open-Switch Fault in a Grid-Connected T-type Rectifier at Low Modulation Index," IEEE APEC2014, pp. 1846-1851, 2014.
[67] Tae-Min Yoon, Hyun-Woo Sim, June-Seok Lee, and Kyo-Beum Lee, "A Simplified Method to Estimate the Rotor Position Using the High Frequency Voltage Signal Injection," IEEE APEC2014, pp. 2453-2458, 2014.
[68] Jin-Hyuk Park, Hae-Gwang Jeong, and Kyo-Beum Lee, "Second Order Harmonics Reduction Technique Using Model Predictive Control for Household Energy Storage Systems," IEEE APEC2014, pp. 3060-3065, 2014.
[69] Yesl Shin, June-Hee Lee, June-Seok Lee, and Kyo-Beum Lee, "CLC Filter Design of a Flyback-Inverter for Photovoltaic Systems," IPEC2014, CD format, 2014.
[70] Sang-Ho Moon, Sung-Tak Jou, and Kyo-Beum Lee, "State-Space Average Modeling of Bidirectional DC-DC Converter for Battery Charger Using LCLC Filter," IPEC2014, CD format, 2014.
[71] June-Hee Lee, June-Seok Lee, and Kyo-Beum Lee, "Current sensorless MPPT Method for a PV Flyback Microinverters Using a Dual-mode," IPEC2014, CD format, 2014.
[72] June-Seok Lee, Eunsil Lee, and Kyo-Beum Lee, "Hybrid Parallel Three-Level Converter Topology for Large Wind Turbine Generation Systems," IEEE ISIE2014, CD format, 2014.
[73] Eunsil Lee, Kyo-Beum Lee, and Young-Doo Yoon, "Simple Fault Diagnosis and Fault-Tolerant Strategy Based on Model Predictive Control for Matrix Converter," IEEE ISIE2014, CD format, 2014.
[74] Yongsoo Cho, Kyo-Beum Lee, "Virtual-Flux-Based Power Predictive Control of Three-Phase PWM Rectifiers Using Space-Vector Modulation," IEEE ECCE2014, pp. 993-998, 2014.
[75] Jin-Hyuk Park, Hae-Gwang Jeong, and Kyo-Beum Lee, "An Improved DPWM Method for Reduction of Resonant Problem in the Inverter," IEEE ECCE2014, pp. 1528-1533, 2014.
[76] June-Seok Lee and Kyo-Beum Lee, "A Carrier-Based PWM Method for Neutral-Point Ripple Reduction of a 3-Level Inverter," IEEE ECCE2014, pp. 2095-2100, 2014.
[77] Hyun-Woo Sim, June-Seok Lee, and Kyo-Beum Lee, "A Detection Method for an Open-Switch Fault in Cascaded H-bridge Multilevel Inverters," IEEE ECCE2014, pp. 2101-2106, 2014.
[78] Yeongsu Bak, Eunsil Lee, and Kyo-Beum Lee, "An Indirect Matrix Converter for Dual Output ACDrive System With Reduced Number of Power Transistors," IEEE CENCON2014, 2014.
[79] June-Seok Lee, Sang-Ho Moon, and Kyo-Beum Lee, "Performance Improvement of Neutral-Point Voltage Balancing for Energy Storage System using DC/DC Converter," IEEE CENCON2014, 2014.
[80] Seung-Joo Lee, June-Seok Lee, and Kyo-Beum Lee, "Novel Switching Strategy for High-Efficiency of Single-Phase Three-level Inverters," IEEE CENCON2014, 2014.
[81] Dae-Keun Choi, Sang-Ho Moon, and Kyo-Beum Lee, "An Open-Switch Fault Detection Method and Tolerance Controls Based on MPDPC in a NPC Rectifier," IEEE CENCON2014, 2014.
[82] June-Seok Lee, Hyun-Woo Sim, and Kyo-Beum Lee, "Cascaded H-bridge Multilevel Inverter for Increasing Output Voltage Levels," IEEE CENCON2014, 2014.

2015
[83] June-Seok Lee and Kyo-Beum Lee, "Fault Tolerance Control for Outer Switches of a 3-Level Rectifier in Wind Turbine Systems," IEEE APEC2015, pp.1318-1323, 2015.
[84] Ui-Min Choi, Frede Blaabjerg, June-Seok Lee, and Kyo-Beum Lee, "Open-Circuit Fault Diagnosis for a Grid-connected NPC Inverter with Unity Power Factor," IEEE APEC2015, pp. 213-220, 2015.
[85] Seungjong Yoo, June-Seok Lee, and Kyo-Beum Lee, "A New Discontinuous PWM Method of Three-Level Inverter for Neutral-Point Voltage Ripple Reduction," ICPE ECCE Asia, 2015.
[86] Seok-Min Kim, June-Seok Lee, and Kyo-Beum Lee, "Fault-Tolerant Strategy using Neutral-Shift Method for Cascaded Multilevel Inverters Based on Level-Shifted PWM," ICPE ECCE Asia, 2015.
[87] Hye-Ung Shin and Kyo-Beum Lee, "Optimal Design of a Switched Reluctance Generator for Small Wind Power System using a Genetic Algorithm," ICPE ECCE Asia, 2015.
[88] Yeongsu Bak, Eunsil Lee, Yongsoo Cho, and Kyo-Beum Lee, "Constant Speed Control for a Reverse Matrix Converter under Variable Input Conditions," IEEE ECCE2015, pp. 5924-5929, 2015.
[89] Seung-Joo Lee, June-Seok Lee, and Kyo-Beum Lee, "High-Efficiency Switching Strategy and Neutral-Point Voltage Control in Single-Phase Three-Level Inverter," IEEE ECCE2015, pp. 6393-6398, 2015.
[90] Yeongsu Bak, Yongsoo Cho, and Kyo-Beum Lee, "Reverse Matrix Converter for Permanent Magnet Synchronous Motor Drives using a Direct Power Control," IEEE ECCE2015, pp. 6832-6837, 2015.
[91] Hye-Ung Shin and Kyo-Beum Lee, "Fault-Tolerant Switched Reluctance Machine Drives Using a Current Parks Vector," IEEE CENCON2015, 2015.
[92] Jin-Hyuk Park and Kyo-Beum Lee, "Improved DPWM Scheme for Improvement of Grid Current Quality in a Large-Scale Grid-Connected Inverter System with a LCL-Filter," IEEE CENCON2015, 2015.
[93] Yeongsu Bak, June-Seok Lee, and Kyo-Beum Lee, "Control Strategy for Balanced Currents of Indirect Matrix converter Under Unbalanced Grid Voltage Conditions," AFORE2015, 2015.

2016
[94] Yeongsu Bak and Kyo-Beum Lee, "Discontinuous PWM for Low Switching Losses in Indirect Matrix Converter Drives," IEEE APEC2016, pp. 2764-2769, 2016.
[95] June-Seok Lee, Yeongsu Bak, Kyo-Beum Lee, and Frede Blaabjerg, "MPC-SVM Method for Vienna Rectifier with PMSG used in Wind Turbine Systems," IEEE APEC2016, pp. 3416-3421, 2016.
[96] Min-Ho Ahn, Jin-Hyuk Park, and Kyo-Beum Lee, "An Optimal Control Method of Clamp Switch for ZVS Bi-directional DC-DC Converter," IPEMC ECCE Asia, 2016.
[97] SeungGyu Seo, Yongsoo Cho, and Kyo-Beum Lee, "LCL-Filter Design for Grid-Connected Three-Phase Inverter Using Space Vector PWM," IPEMC ECCE Asia, 2016.
[98] Seong-Yun Kang, Hye-Ung Shin, and Kyo-Beum Lee, "Improved Torque Ripple Reduction Method of Five-Phase Induction Motor Using Fuzzy Controller," IPEMC ECCE Asia, 2016.
[99] Hye-Ung Shin, Seung Koo Baek, and Kyo-Beum Lee, "Fault Detection and Fault-Tolerant Operation of a Five-Phase Induction Motor Driving System," IPEMC ECCE Asia, 2016.
[100] Hye-Ung Shin and Kyo-Beum Lee, "Fault Diagnosis Method for Power Transistors in Switched Reluctance Machine Drive System," IPEMC ECCE Asia, 2016.
[101] Se-Jin Lee, June-Hee Lee, and Kyo-Beum Lee, "Reduction of DC-link Current Ripple in Unbalanced Three-parallel PV Module Condition," ITEC2016, 2016.
[102] Seong-Yun Kang and Kyo-Beum Lee, "Improved Switching Selection for Direct Torque Control of a Five-Phase Induction Motor," ITEC2016, 2016.
[103] Dong Yeob Han, Yongsoo Cho, and Kyo-Beum Lee, "Simple Rotor Position Estimation for Sensorless Control of IPMSM using PLL based on EEMF," ITEC2016, 2016.
[104] Sanjeevikumar Padmanaban, Frede Blaabjerg, Patrick Wheeler, Mahajan Sagar Bhaskar, Sanjeet Dwivedi, and Kyo-Beum Lee, "Five-Phase Five-Level Open-Winding/Star-Winding Inverter Drive For Low-Voltage/High-Current Applications," ITEC2016, 2016.
[105] Yeongsu Bak, June-Seok Lee, and Kyo-Beum Lee, "A Low Voltage Ride Through Control Strategy for Energy Storage Systems," IEEE ECCE2016, 2016.
[106] Jin-Hyuk Park, June-Seok Lee, and Kyo-Beum Lee, "Control Scheme for the Wide Operation Range of Induction Generator with a Vienna Rectifier in Wind Turbine Systems," IEEE ECCE2016, 2016.
[107] Raeho Kwak, June-Seok Lee, and Kyo-Beum Lee, "Novel Clamp Switching Method for a Single Phase Three-Level Inverter with High Efficiency and Low Harmonics," IEEE IECON2016, 2016.
[108] SeungGyu Seo, Yongsoo Cho, and Kyo-Beum Lee, "Design of an LCL-Filter for Space Vector PWM in Grid-Connected 3-Level Inverters System," IEEE IECON2016, 2016.
[109] June-Hee Lee, June-Seok Lee, and Kyo-Beum Lee, "A Fault Detection Method in Cascaded H-bridge Multilevel Inverter," IEEE PECON2016, 2016.
[110] Min-Ho Ahn, Jin-Hyuk Park, and Kyo-Beum Lee, "A ZVS DC-DC Converter with Resonant Inductor and Back-to-Back Switch," IEEE PECON2016, 2016.
[111] Songhee Yang, Jin-Hyuk Park, and Kyo-Beum Lee, "A Carrier-Based PWM with Synchronous Switching Technique for a Vienna Rectifier," IEEE PECON2016, 2016.
[112] Injung Won, Yongsoo Cho, and Kyo-Beum Lee, "Predictive Control Algorithm for Capacitor-less Inverters with Fast Dynamic Response," IEEE PECON2016, 2016.
[113] Jongha Kim, Yeongsu Bak, and Kyo-Beum Lee, "Control Strategy of the Mono Converter Dual Parallel Surface-Mounted Permanent Magnet Synchronous Generator in Wind Power Generation System," IEEE PECON2016, 2016.

2017
[114] Injung Won, Yongsoo Cho, and Kyo-Beum Lee, "An Optimized Switching Scheme for DC-link Current Ripple Reduction in Three-level T-type Inverter," IEEE APEC2017, 2017.
[115] Hyun-Cheol Moon, June-Seok Lee, June-Hee Lee, and Kyo-Beum Lee, "Model Predictive Control of a Grid-Connected Inverter to Reduce Current Ripples and Computation Loads," IEEE APEC2017, 2017.
[116] June-Hee Lee and Kyo-Beum Lee, "A Fault Detection Method and a Tolerance Control in a Single-Phase Cascaded H-bridge Multilevel Inverter," IFAC 2017, 2017.
[117] Hyun-Cheol Moon, June-Seok Lee, June-Hee Lee, and Kyo-Beum Lee, "MPC-SVM Method with Subdivision Strategy for Current Ripples Reduction and Neutral-Point Voltage Balance in Three-Level Inverter," IEEE ECCE 2017, 2017.
[118] Yeongsu Bak, June-Seok Lee, and Kyo-Beum Lee, "Modulation and Control Strategy for a Single-Phase to Three-Phase Indirect Matrix Converter Drives," IEEE ECCE 2017, 2017.
[119] Hyo-Chul In, Seok-Min Kim, and Kyo-Beum Lee, "Improvement of the Intput-Output Quality of Three-level NPC Inverters with Small DC-link," IEEE ECCE 2017, 2017.
[120] Min-Gyo Jeong, Seok-Min Kim, and Kyo-Beum Lee, "Discontinuous PWM Scheme for a Modular Multilevel Converter with Advanced Switching Losses Reduction Ability," IEEE ECCE 2017, 2017.
[121] June-Hee Lee and Kyo-Beum Lee, "Optimal Phase Shifted Method to Reduce Current Ripples for Parallel Grid-connected Voltage Source Inverter under Unequal DC-link Voltages," IEEE ECCE 2017, 2017.
[122] June-Seok Lee, Kyo-Beum Lee, and Youngjong Ko, "An Improved Phase-Shifted PWM Method for a Three-Phase Cascaded H-Bridge Multi-Level Inverter," IEEE ECCE 2017, 2017.
[123] Yong-Dae Kwon, Jin-Hyuk Park, Kyung Min Kim, and Kyo-Beum Lee, "Line Current Improvement of Three-phase Four-wire Vienna Rectifier Using Dead-Beat Control," IEEE CENCON 2017, 2017.
[124] Ibrahim Mohd Alsofyani and Kyo-Beum Lee, "Modified Frequency Carriers for Improving DTC with Constant Frequency Torque Controller of Induction Machines," IEEE CENCON 2017, 2017.
[125] Jin-Hyuk Park and Kyo-Beum Lee, "A Two-Stage Bidirectional DC/DC Converter with SiC-MOSFET for Vehicle-to-Grid (V2G) Application," IEEE CENCON 2017, 2017.

2018
[126] Seok-Min Kim, June-Seok Lee, and Kyo-Beum Lee, "Fault-Tolerant Control Scheme for Modular Multilevel Converter based on Sorting Algorithm without Reserved Submodules," IEEE APEC2018, 2018.
[127] Young-Seol Lim, June-Seok Lee, Joon Hyoung Ryu, and Kyo-Beum Lee, "Sensorless Control Using a Full-Order Observer Based on a Novel Flux Model of High Power Interior Permanent Magnet Synchronous Motor," IEEE APEC2018, 2018.
[128] Dongho Choi, Yeongsu Bak, Jong-Pil Lee, Tae-Jin Kim, and Kyo-Beum Lee, "Control Strategy for Reduction of Current Distortion in Reverse Matrix Converter under Unbalanced Input Conditions," IEEE APEC2018, 2018.
[129] Ibrahim Mohd Alsofyani, June-Hee Lee, Byung-Moon Han, and Kyo-Beum Lee, "Improved Performance of CFTC-based Direct Torque Control of Induction Machines by Increasing Torque Loop Bandwidth," IPEC2018, 2018.
[130] Yun Jang, Yeongsu Bak, and Kyo-Beum Lee, "Indirect Matrix Converter for Permanent-Magnet-Synchronous-Motor Drives by Improved Torque Predictive Control," IPEC2018, 2018.
[131] Keon Young Kim, Yeongsu Bak, Jin-Hyuk Park, and Kyo-Beum Lee, "Model Predictive Control Using Subdivided Voltage Vectors for Current Ripple Reduction in an Indirect Matrix Converter," IPEC2018, 2018.
[132] Anatolii Tcai and Kyo-Beum Lee, "DC-link Ripple Current Reduction in Back-to-back converters with DPWM," IPEC2018, 2018.
[133] Ibrahim Mohd Alsofyani ,Byung-Moon Han, and Kyo-Beum Lee, Flux Regulation with Minimized Torque Ripple of DTC of Induction Machines at Low Speed by Controlling Single Hysteresis-Torque Band, ICEE2018, 2018.
[134] Dongho Choi, Yeongsu Bak, and Kyo-Beum Lee, Short Fault Detection of Outer Switches in the Current Source Inverter for Reverse Matrix Converter, ICEE2018, 2018.
[135] Seok-Min Kim and Kyo-Beum Lee, Control Method of Power Cycling Test Setup for Submodule Reliability Investigation of Modular Multilevel Converters, ICEE2018, 2018.
[136] Dong-woo Seo, June-Hee Lee, and Kyo-Beum Lee, Improved Model Predictive Control for Active NPC Grid-Connected Inverter System, ICEE2018, 2018.
[137] Ho-Pyo Sohn, Seok-Min Kim, and Kyo-Beum Lee, Improving Input Current Quality and Dynamic Response for Diode Rectifier-Fed IPMSM Drive System using Small DC-link Capacitor, ICEE2018, 2018.
[138] Young-Seol Lim, Kyo-Beum Lee, and June-Seok Lee, Wide-range Sensorless and MTPA Control Using a Full-order Flux Observer of High Power IPMSM for the Train Propulsion System, ICEE2018, 2018.
 
 Domestic Conferences

1998
[1] Kyo-Beum Lee and Kwang-Won Lee, "Ƽ ̿ ¾  ," 1998ȸ ϰмȸ , 1998.
[2] Kyo-Beum Lee, Joong-Ho Song, Ick Choy, and Kwang-Bae Kim, "Ű ⸦ ̿ 2 ӵ," 1998, ڵȭ, κƽ ȸ յмǥȸ , 1998.
[3] K. B. Lee, B. K. Kim, J. H. Song, I. Choy, K. B. Kim, K. W. Lee, "Precise Positioning Control of Linear Brushless DC Motor using Disturbance Observer, 98ѱڵмȸ , 1998.

1999
[4] Bongkeun Kim, Wankyun Chung, Kyobeum Lee, Joongho Song, and Ick Choy, "Modeling and Synchronizing Motion Control of Twin-servo System," 99ѱڵмȸ , 1999.
[5] Y. M. Park, J. H. Yoon, S. K. Choi, M. K. Jung, S. H. Lee, K. B. Lee, and J. H. Song, 3 ιͷ Ǵ ũ ũ," 1999 ȸ ߰мȸ , 1999.
[6] Y. M. Park, S. H. Lee, J. H. Yoon, Y. W. Park, N. H. Kim, K. B. Lee, J. H. Song, "3 ι͸ ̿ ũ ," 1999мȸ , pp. 386-389, 1999.

2000
[7] J. H. Yoon, S. K. Choi, S. H. Lee, K. B. Lee, J. H. Song, and I. Choi, "3 ιͷ Ǵ ũ ӿ ," 2000ȸ ϰмȸ , pp. 1030-1032, 2000.
[8] Jooho Song, Kyo-Beum Lee, Joong-Ho Song, Ick Choy, and Myotaeg Lim, "ο Ȯ 翣 ⸦ ̿ ," 2000ȸ ϰмȸ , pp. 1105-1107, 2000.
[9] Jooho Song, Kyo-Beum Lee, Joong-Ho Song, Ick Choy, Kwang-Bae Kim, and Myotaeg Lim, " ̿ Ķ ," 2000мȸ , pp. 177-180, 2000.
[10] K. B. Lee, J. H. Song, I. Choy, J. Y. Yoo, M. G. Jung, K. J. Han, and J. H. Yoon, "3 ιͷ Ǵ ũ Ī ļ ũ , 2000 мȸ , pp. 203-206, 2000.

2001
[11] Seok-Eon Joung, Kyo-Beum Lee, Dong-Seok Hyun, and Joong-Ho Song, "SEPIC ̿ ȸ Ư ," 2001мȸ , pp. 525-529, 2001.
[12] Y. M. Park, G. J. Han, S. K. Choi, M. K. Jung, S. H. Lee, N. H. Kim, K. B. Lee, and J. H. Song, "4MW ι ý ," 2001мȸ , pp. 352-355, 2001.
[13] Jae-Won Kho, Kyo-Beum Lee, and Young-Mo Koo, "ܶ ⸦ ̿ Ͼ BLDC ġ," 2001ȸ ϰмȸ , pp. 2399-2401, 2001.
[14] Dae-Jin Baek, Chang-Hee Won, Kyo-Beum Lee, Ick Choy, Joong-Ho Song, and Ji-Yoon Yoo, "DC link 귯ø ũ ," 2001ȸ ϰмȸ , pp. 974-976, 2001.

2002
[15] Kyo-Beum Lee, Ho-Jin Kang, Joong-Ho Song, Ick Choy, and Ji-Yoon Yoo, "Ȯ 翣 ⸦ ̿ ӿ ," 2002мȸ , pp. 142-145, 2002.

2003
[16] Kyo-Beum Lee, Young-Chul Yoon, Joong-Ho Song, Ick Choy, Bum-Jae Yoo, and Ji-Yoon Yoo, "Ȯ 翣 ⸦ ̿ ӿ ," 2003ȸ ϰмȸ , 2003.

2006
[17] Kyo-Beum Lee and Gyung-Hun Sim, "Ʈ ͷ Ǵ ̺ ," 2006ȸ ϰмȸ , pp. 1041-1042, 2006.
[18] Kyo-Beum Lee and Won-Sang Kim, "Matrix Converter Ǵ ġ ̷ ̿ ," 2006ȸ ϰмȸ , pp. 1043-1044, 2006.

2008
[19] Hae-Gwang Jeong, Kyo-Beum Lee, Sin-Il Kang, Hyen-Young Lee, Oh-Joeng Kwon, Seung-Ho Song, "̷ 뿬 PWM ι ý ɵ ," 2008мȸ , pp. 85-87, 2008.
[20] Won-Sang Kim, Gyung-Hun Sim, Sung-Tak Jou, Seo-Hyoung Kim, and Kyo-Beum Lee, "߿ dz¹  Ī ̵ ȯ," 2008мȸ , pp. 88-90, 2008.
[21] Seo-Hyeong Kim, Seong-Tak Ju, Hae-Gwang Jeong, Kyo-Beum Lee, and Gyu-Beum Jung, "2 Space Dithered Sigma-Delta Modulation Random PWM Ī ̿ DC-DC ," 2008߰мȸ , pp. 196-198, 2008.
[22] Kiwoo Park, Sung-Tak Jou, Mun-Soo Park, and Kyo-Beum Lee, "Ʈ ͷ Ǵ ġ ̵ ," 2008߰мȸ , pp. 224-226, 2008.

2009
[23] Eun-sil Lee, Kiwoo Park, and Kyo-Beum Lee, " ⸦ ̿ Z-ҽ Ʈ ," 2009мȸ , pp. 45-47, 2009.
[24] Hae-Gwang Jeong and Kyo-Beum Lee, "ڼ dz¹ ý 3 Ÿ-ἱ LCL ," 2009мȸ , pp. 72-74, 2009.
[25] Seo-Hyeong Kim, Kil-Hun Kim, and Kyo-Beum Lee, "CDSDM ̿ SPWM Ī ," 2009мȸ , pp. 121-123, 2009.
[26] Kiwoo Park, Dong-Sun Park, and Kyo-Beum Lee, "Z-ҽ Ľ Ʈ ," 2009мȸ , pp. 124-126, 2009.
[27] Duk-Hong Kang, Woojin Choi, Se-Wan Choi, and Kyo-Beum Lee, "Goertzel ˰ ̿ ȿº ܵ ," 2009мȸ , pp. 603-605, 2009.
[28] Dong-Keun Yoon, Yi-Kyu Kang, Hae-Gwang Jeong, and Kyo-Beum Lee, "뷮 ڼ dz¹ý 3 LCL ," 2009мȸ , pp. 606-608, 2009.
[29] Dae-Keun Choi, Woojin Choi, Se-Wan Choi, and Kyo-Beum Lee, "Ǵ 뿬 ι ̵ ," 2009мȸ , pp. 612-614, 2009.
[30] Yi-Kyu Kang, Hae-Gwang Jeong, Sang-Hyeok Lee, and Kyo-Beum Lee, " Back-to-Back ͷ Ǵ dz¹ ý ߼ ̿ ȯ ," 2009мȸ , pp. 615-617, 2009.
[31] Sol-Bin Lee, Seo-Hyoung Kim, and kyo-Beum Lee, " DFIG ̿ dz¹ ý 𵨸 ," 2009߰мȸ , pp. 200-202, 2009.

2010
[32] Xingsi Pu, Dong-Choon Lee, Kyo-Beum Lee, and Jang-Mok Kim, "ũ Ŀн ĿнϽ ESR ," ȸ ȯýۺκ мȸ , pp. 161-163, 2010.
[33] Young-Jong Ko, Kyo-Beum Lee, Dong-Choon Lee, and Jang-Mok Kim, " ̿ 3 ºȯý ," ȸ ȯýۺκ мȸ , pp. 185-187, 2010.
[34] Dong-Sun Park, Eunsil Lee, Kiwoo Park, and Kyo-Beum Lee, "Ʈ Ű ," мȸ , pp. 483-484, 2010.
[35] Kil-Hun Kim, Duk-Hong Kang, and Kyo-Beum Lee, " DFT LCL ɵμ ," мȸ , pp. 568-569, 2010.
[36] Xingsi Pu, Kyung-Hyun Kim, Dong-Choon Lee, Kyo-Beum Lee, and Jang-Mok Kim, "Capacitance Estimation of DC-Link Capacitor Considering Temperature Effect," мȸ , pp. 156-157, 2010.
[37] Yohan Park, Sewan Choi, Woojin Choi, and Kyo-Beum Lee, "¾ ͸ CCM-ZVC ," мȸ , pp. 378-379, 2010.
[38] Sun-Min Kim, Young-Jong Ko, and Kyo-Beum Lee, "ܻ 뿬 ºȯ ýۿ ý 𵨸 ̿ PLL ɰ," мȸ , pp. 286-287, 2010.

2011
[39] Bo-Hwan Seo, Dong-Choon Lee, Kyo-Beum Lee, and Jang-Mok Kim, "SPKF ̿ Ƭ ͸(LiPB) (SOC) ," 2011мȸ , pp. 228-229, 2011.
[40] Hyun-Hee Lee, Dae-Keun Choi, and Kyo-Beum Lee, "-νƮ ͸ ̿ 뿬 dz¹ý MPPT ," 2011мȸ , pp. 259-260, 2011.
[41] Se-ho Lee, June-Seok Lee, Hae-Gwang Jeong, and Kyo-Beum Lee, "뷮 dz¹ ýۿ DFT ̿ ɵ ," 2011мȸ , pp. 261-262, 2011.
[42] Sung-Tak Jou, Hae-Gwang Jeong, and Kyo-Beum Lee, "ö ġ ļ ġ ," 2011мȸ , pp. 386-387, 2011.
[43] Young-Jong Ko, Margo Elise, Kyo-Beum Lee, Dong Choon Lee, and Jang-Mok Kim, "뷮 ºȯ ġ ," 2011мȸ , pp. 415-416, 2011.
[44] Dae-Min Jang, Ui-Min Choi, and Kyo-Beum Lee, "뿬 NPCι ý 漺 ," 2011мȸ , pp. 417-418, 2011.
[45] Eunsil Lee and Kyo-Beum Lee, " ̿ Ľ Ʈ ," 2011мȸ , pp. 419-420, 2011.
[46] Hae-Gwang Jeong and Kyo-Beum Lee, " 뿬 dz¹ ý ," 2011мȸ , pp. 423-424, 2011.
[47] Hyun-Hee Lee, Ui-Min Choi, and Kyo-Beum Lee, "⸦ ̿ 3- NPC ι ߼ ," 2011мȸ ߰мȸ , pp. 209-210, 2011.
[48] Hae-Gwang Jeong, Dong-Hee Kim, and Kyo-Beum Lee, " ͸ ɼ ," 2011мȸ ߰мȸ , pp. 211-212, 2011.
[49] Ui-Min Choi, Hae-Gwang Jeong, and Kyo-Beum Lee, "뿬 3- NPC ι ý ߼ ," 2011мȸ ߰мȸ , pp. 213-214, 2011.
[50] Jong-Hyun Lee and Kyo-Beum Lee, "ʰ ⸦ ̿ 뿬 ι ְ," 2011мȸ ߰мȸ , pp. 215-216, 2011.
[51] Dae-Keun Choi and Kyo-Beum Lee, "dz¹ý Ƽ ȭ MPPT ," 2011мȸ ߰мȸ , pp. 263-264, 2011.
[52] Yee-Kyu Kang, Hak-Seung Ro, Hae-Gwang Jeong, and Kyo-Beum Lee, "뿬 dz ý ִ ," 2011мȸ ߰мȸ , pp. 265-266, 2011.
[53] June-Seok Lee, Byoung-Seoup Lee, and Kyo-Beum Lee, "̵ 带 ̿ 뿬 ¾籤 ý ," 2011мȸ ߰мȸ , pp. 269-270, 2011.
[54] Gwang-Seob Kim, Kyo-Beum Lee, Dong-Choon Lee, and Jang-Mok Kim "뿬 ιͿ ," 2011мȸ ߰мȸ , pp. 297-298, 2011.
[55] Young-Jong Ko, Hae-Gwang Jeong, and Kyo-Beum Lee, "ž ͸ ," 2011мȸ ߰мȸ , pp. 313-314, 2011.

2012
[56] Jae-Sik Lim, Youngil Lee, Joong-Ho Song, and Kyo-Beum Lee, "ǥ ڼ ũ ," 2012 ICROSмȸ, pp. 34-35, 2012.
[57] Hyun-Seob Kim, Jung-Ho Han, Joong-Ho Song, Youngil Lee, and Kyo-Beum Lee, "̺긮 SVM ̿ ũ DTC," 2012 ICROSмȸ, pp. 40-41, 2012.
[58] Eunsil Lee, Kyo-Beum Lee, Jae-Sik Lim, Youngil Lee, and Joong-Ho Song, "Ľ Ʈ ," 2012 ICROSмȸ, pp. 42-43, 2012.
[59] Hae-Gwang Jeong, and Kyo-Beum Lee, "- ," 2012 ICROSмȸ, pp. 44-45, 2012.
[60] Jong-Kyu Kim, Jong-Hyun Lee, and Kyo-Beum Lee, "ʰ ⸦ ̿ 뿬 ܻ dz¹ ְ," 2012 мȸ , pp. 67-68, 2012.
[61] June-Seok Lee and Kyo-Beum Lee, "Two-String 뿬 ¾籤 ý MPPT ɰ ˰," 2012 мȸ , pp. 211-212, 2012.
[62] Soo-Cheol Kim, Dong-Choon Lee, Jang-Mok Kim, and Kyo-Beum Lee, "3 AC/DC PWM ũ м ," 2012 мȸ , pp. 470-471, 2012.
[63] JaeSeung Yoon, Gwang-Seob Kim, and Kyo-Beum Lee, "뿬 ¾籤 ý ," 2012 мȸ , pp. 480-481, 2012.
[64] Ju-Hye Kim, Sung-Tak Jou, Dae-Keun Choi, and Kyo-Beum Lee, "3 ¾ ⿡ Ư ̵ ," 2012 ߰мȸ , pp. 101-102, 2012.
[65] Hak-Seung Ro, Hae-Gwang Jeong, and Kyo-Beum Lee, "⸦ ̿ ġ Ͻ ũ Ƶ ," 2012 ߰мȸ , pp. 223-224, 2012.
[66] Dong-Hee Kim, Hae-Gwang Jeong, and Kyo-Beum Lee, "ġ Ͻ ũ Ƶ ," 2012 ߰мȸ , pp. 225-226, 2012.

2013
[67] Woo Jin Choi, Eunsil Lee, Kyo-Beum Lee, Young Il Lee, Joong-Ho Song, " ýۿ ũ ּȭ ̿ DTC 񱳺м," 2013 ICROSмȸ, pp. 584-585, 2013.
[68] Sang Ho Moon, Yongsoo Cho, Kyo-Beum Lee, Young Il Lee, Joong-Ho Song, "  ̿ DTC-PMSM ," 2013 ICROSмȸ, pp. 582-583, 2013.
[69] Jung-Hyun Kim, Eunsil Lee, Kyo-Beum Lee, Yong-Jong Ko, "Ľ Ʈ ͷ Ǵ ⸦ ⼧," 2013 мȸ , pp. 84-85, 2013.
[70] Yesl Shin, Yongsoo Cho, Kyo-Beum Lee, " Ư ũ ڼ ũ ," 2013 мȸ , pp. 88-89, 2013.
[71] Ju-Hye Kim, Dong-Hee Kim, Sung-Tak Jou, and Kyo-Beum Lee, "ġ Ͻ Ư ," 2013 мȸ, pp. 90-91, 2013.
[72] Kyoung-Gu Lee, Yongsoo Cho, June-Seok Lee, and Kyo-Beum Lee, "TPC Ǵ ڼ ⸦ ̿ ӵ," 2013 мȸ , pp. 92-93, 2013.
[73] Hak-Seung Ro, Dong-Hee Kim, Hae-Gwang Jeong, and Kyo-Beum Lee, " ̿ ġ Ͻ ," 2013 мȸ , pp. 94-95, 2013.
[74] Seong-Soo Park, Jung-Hyum Kim, Kyo-Beum Lee, "¾籤 ͸ CC-CV ȯ ɰ," 2013 мȸ , pp. 206-207, 2013.
[75] Jae Jin Lee, Kyoung-Gu Lee, Kyo-Beum Lee, " ڼ ⸦ ǥ ڼ ӵ ," 2013 ICROS мȸ , pp. 67-70, 2013.

2014
[76] Sung Wan Ro, Dae- Keun Choi, Kyo-Beum Lee, "3- ιͷ Ǵ ڼ ⸦ ," 2014 ȸ ȯýۺιȸ мȸ , pp. 246-248, 2014.
[77] Dae Joong Kim, Jin-Hyuk Park, and Kyo-Beum Lee, "ȿ ޼ 3 ͸ DC-DC ," 2014 мȸ , pp. 29-30, 2014.
[78] Yeongsu Bak, Eunsil Lee, Kyo-Beum Lee, Seongsoo Lim, " Ʈ ý," 2014 мȸ , pp. 112-113, 2014.
[79] Kyun-Seon Ji, Sung-Tak Jou, Kyo-Beum Lee, " ּ ڽ¹ ̿ а ," 2014 мȸ , pp. 134-135, 2014.
[80] Seungjong Yoo, Yongsoo Cho, Kyo-Beum Lee, Daebong Lee, "UPS ý ŷڼ Ƽ ι ߼ ," 2014 мȸ , pp. 486-487, 2014.
[81] Hyun Woo Sim, June-Seok Lee, Kyo-Beum Lee, Dae Bong Lee, " Cascaded H-bridge Ƽ ι ," 2014 мȸ , pp. 496-497, 2014.
[82] Yong-Gyu Song, Seung-Joo Lee, June-Seok Lee, and Kyo-Beum Lee, "ܻ 3- NPC ι ȿ Ī ," 2014 мȸ , pp. 500-501, 2014.

2015
[83] Jin-Hyuk Park, Dong Yeob Han, and Kyo-Beum Lee, "LCL-͸ ϴ 뿬 ι ҿ ," 2015 мȸ , pp. 295-296, 2015.
[84] Seungjong Yoo, June-Seok Lee, and Kyo-Beum Lee, "ο DPWM ̿ 3- ι ߼ ," 2015 мȸ , pp. 315-316, 2015.
[85] Seong-Yun Kang, Hye-Ung Shin, and Kyo-Beum Lee, "3 5 ," 2015 мȸ , pp. 343-344, 2015.
[86] Seung Gyu Seo, Yongsoo Cho, and Kyo-Beum Lee, "3 AC/DC  б⸦ ڼ ," 2015 мȸ , pp. 399-400, 2015.
[87] Won Seok Jung, Yeongsu Bak, Eunsil Lee, Kyo-Beum Lee, "¾ ϴ Ʈ ," 2015 мȸ , pp. 499-500, 2015.
[88] Raeho Kwak, June Hee Lee, and Kyo-Beum Lee, "뿬 ҿ뷮 ¾籤 ιͿ AFD ܵ ," 2015 мȸ , pp. 524-525, 2015.

2016
[89] Han Rim Lee, Woo Jin Choi, and Kyo-Beum Lee, " ¾籤 ý ̺긮 MPPT ˰," 2016 мȸ , 2016.
[90] Hyun-Cheol Moon, June-Hee Lee, June-Seok Lee, Kyo-Beum Lee, "п ι ȭ SVM ," 2016 мȸ , 2016.
[91] Jiook Sin, Yeongsu Bak, Kyo-Beum Lee, "뿬 ι 6 ," 2016 мȸ , 2016.
[92] Hyochul In, Yongsoo Cho, Kyo-Beum Lee, " Ư ũ ũ ," 2016 мȸ , 2016.
[93] Min-Gyo Jeong, Tcai Anatolii, and Kyo-Beum Lee, "͸ ̿ 3 dz ý ," 2016 мȸ , 2016.
[94] Woo Jin Choi, Jung-Rok Lee, and Kyo-Beum Lee, "ٻ ͸ DC-DC ͸ ," 2016 ȸ ȯýۺιȸ ߰мȸ , pp. 198-200, 2016.

2017
[95] Dong-woo Seo, June-hee Lee, and Kyo-Beum Lee, "ȿ ͸ ذ ö̹ Ϳ 븮 Ī ," 2017 мȸ , pp.30-31, 2017.
[96] Yong-Dae Kwon, Jin-Hyuk Park, and Kyo-Beum Lee, "3 񿣳 ȿ ," 2017 мȸ , pp.80-81, 2017.
[97] Dongho Choi, Yeongsu Bak, and Kyo-Beum Lee, " Ʈ ͸ ̿ л ý Է ߻ ְ ," 2017 мȸ , pp.142-143, 2017.
[98] Young-Seol Lim, June-Seok Lee, and Kyo-Beum Lee, "뷮 ڼ ⸦ ڼ ," 2017 мȸ , pp.156-157, 2017.
[99] Keon Young Kim, Hye-Ung Shin, and Kyo-Beum Lee, "ּڽ¹ ڱ δϽ ȭ ̿ ڼ ʱ ġ ," 2017 мȸ , pp.158-159, 2017.
[100] Ho-Pyo Sohn, Yeongsu Bak, and Kyo-Beum Lee, "ҿ뷮 Ŀн͸ ιͷ Ǵ ڼ ," 2017 мȸ , pp.190-191, 2017.
[101] Ki Seok Sung, Seok-Min Kim, and Kyo-Beum Lee, "Active NPC ͸ ý ," 2017 ȸ ߰мȸ , pp.15-16, 2017.
[102] Byeong-Gyu Kang, Shin-Myung Jeong, and Kyo-Beum Lee, "ö ڼ ӿ ," 2017 ȸ ߰мȸ , pp.67-68, 2017.
[103] Seok-Min Kim, Ju-Won Baek, Juyong Kim, and Kyo-Beum Lee, " Ƽ ͸ ̿ Ư б ," 2017 ȸ ߰мȸ , pp.113-114, 2017.

2018
[104] Young-Seol Lim, June-Seok Lee, and Kyo-Beum Lee, 5- ι͸ ο , 2018 ȸ ϰмȸ, 2018.
[105] Ho-Sung Kang, Seok-Min Kim, Donghwi Lim, Raeho Kwak, Kyo-Min Kim, and Kyo-Beum Lee, õ ý ̿ ž , 2018 ȸ ϰмȸ, 2018.