International Journals

2024

J. Yang, G. C. Lim, C. Hwang and J. -I. Ha, "Two-Phase DC Charging Method for Improved Efficiency and Zero Torque in Motor-Integrated Charger," in IEEE Transactions on Industrial Electronics, doi: 10.1109/TIE.2024.3468730.

S. J. Lee, J. Choi, G. C. Lim, S. M. Kim, E. -K. Kim and J. -I. Ha, "Analysis and Mitigation of Bearing Current in Inverter-Fed IPMSMs Drive System," in IEEE Transactions on Industrial Electronics, doi: 10.1109/TIE.2024.3456435.

J. Lee, S. Choi and J. -I. Ha, "Design and Four-Degrees of Freedom Modulation Method of Dual Active Bridge Converter," in IEEE Journal of Emerging and Selected Topics in Power Electronics, doi: 10.1109/JESTPE.2024.3448290.

J. Lee, S. Choi and J. -I. Ha, "Design and Analysis of Resonant Network for Dual Active Bridge Converter," in IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 12, no. 4, pp. 3784-3799, Aug. 2024, doi: 10.1109/JESTPE.2024.3406953.

J. Shim, J. Seo, S. Lee, T. Joung, H. Kwak and J. -I. Ha, "Ensemble-Based Anomaly Detection With Comprehensive Feature Distances for Induction Motors," in IEEE Transactions on Industry Applications, vol. 60, no. 4, pp. 6033-6044, July-Aug. 2024, doi: 10.1109/TIA.2024.3384356.

S. Choi, E. Chung, G. C. Lim, J. -S. Hong, G. -Y. Choe and J. -I. Ha, "Single-Sided Compensation Network Design Method for Capacitive Power Transfer System Considering Coupling Variation," in IEEE Transactions on Industry Applications, vol. 60, no. 4, pp. 6351-6365, July-Aug. 2024, doi: 10.1109/TIA.2024.3384346.

B. R. Park, G. C. Lim, Y. Han and J. -I. Ha, "Six-Vertex Voltage Injection Strategy for Sensorless IPMSM Control Using Single DC-Link Current Sensor," in IEEE Transactions on Industrial Electronics, doi: 10.1109/TIE.2024.3368166.

J. Shim, S. Lee, D. Jeon and J. -I. Ha, "Contact Force Estimation Using Uncertain Torque Model and Friction Models for Robot Manipulator," in IEEE Transactions on Industrial Electronics, vol. 71, no. 10, pp. 12634-12644, Oct. 2024, doi: 10.1109/TIE.2024.3352145.

C. Hwang, G. C. Lim, S. Lee, J. -J. Moon, K. -S. Park and J. -I. Ha, "Synchronous Overmodulation With Less Switchings Including Six-Step Operation," in IEEE Transactions on Industrial Electronics, vol. 71, no. 10, pp. 11967-11977, Oct. 2024, doi: 10.1109/TIE.2023.3347852.

2023

H. -g. Choi, J. -I. Ha and K. Lee, "Ultra-Low Inductance PMSM Drive Using a DC Current Sensor," in IEEE Transactions on Industrial Electronics, vol. 71, no. 6, pp. 5597-5607, June 2024, doi: 10.1109/TIE.2023.3288203.

J. -S. Hong, S. Choi and J. -I. Ha, "Modulation Method of Series-Resonant Dual-Active Half-Bridge Converter for ZVS and Minimum RMS Current," in IEEE Transactions on Industry Applications, vol. 60, no. 1, pp. 694-708, Jan.-Feb. 2024, doi: 10.1109/TIA.2023.3324316.

E. Chung and J. -I. Ha, "Impedance Matching Network Design for 6.78-MHz Wireless Power Transfer System With Constant Power Characteristics Against Misalignment," in IEEE Transactions on Power Electronics, vol. 39, no. 1, pp. 1788-1801, Jan. 2024, doi: 10.1109/TPEL.2023.3320199.

S. Lee, J. -S. Hong, J. Shim, M. Kim and J. -I. Ha, "Magnetic Field Synthesis of Electromagnetic Navigation Systems in Current Limits," in IEEE Transactions on Industrial Electronics, vol. 71, no. 7, pp. 7477-7487, July 2024, doi: 10.1109/TIE.2023.3306399.

J. -S. Hong, J. -I. Ha, S. Cui and J. Hu, "Topology and Control of an Enhanced Dual-Active Bridge Converter With Inherent Bipolar Operation Capability for LVDC Distribution Systems," in IEEE Transactions on Power Electronics, vol. 38, no. 10, pp. 12774-12789, Oct. 2023, doi: 10.1109/TPEL.2023.3297389. (Corresponding Author)

B. R. Park, G. C. Lim, Y. Han and J. -I. Ha, "Saliency-Based Sensorless Control Using Current Derivative in IPMSM Drives With Single DC-Link Current Sensor," in IEEE Transactions on Industrial Electronics, vol. 71, no. 4, pp. 3394-3404, April 2024, doi: 10.1109/TIE.2023.3274858.

H. Kwon, J. Lee, J. Lee and J. -I. Ha, "Analytical Modeling and Design of 27.12 MHz Single-Switch DC–DC Converter With PCB Transformer," in IEEE Access, vol. 11, pp. 12742-12754, 2023, doi: 10.1109/ACCESS.2023.3242010.

2022

J. Choi, G. C. Lim, C. Hwang, B. R. Park and J. -I. Ha, "Feedback Gain Design of Induction Machine Full-Order Flux Observer," in IEEE Transactions on Industrial Electronics, vol. 70, no. 10, pp. 9870-9881, Oct. 2023, doi: 10.1109/TIE.2022.3217605.

J. Lee, G. C. Lim and J. -I. Ha, "Pulse Width Modulation Methods for Minimizing Commutation Torque Ripples in Low Inductance Brushless DC Motor Drives," in IEEE Transactions on Industrial Electronics, vol. 70, no. 5, pp. 4537-4547, May 2023, doi: 10.1109/TIE.2022.3189104.

S. Lee, G. Noh and J. -I. Ha, "Reconfigurable Power Circuits to Series or Parallel for Energy-Balanced Multicell Battery Pack," in IEEE Transactions on Industrial Electronics, vol. 70, no. 4, pp. 3641-3651, April 2023, doi: 10.1109/TIE.2022.3181412.

2021

J. -S. Hong, S. Lee and J. -I. Ha, "Control Method in Minimum Infinity-Norm Approach for Multicoil Magnetic Manipulation System," in IEEE Transactions on Magnetics, vol. 58, no. 1, pp. 1-9, Jan. 2022, Art no. 5600209, doi: 10.1109/TMAG.2021.3123093.

H. Chen, K. Sun, H. Shi, J. -I. Ha and S. Lee, "A Battery Charging Method With Natural Synchronous Rectification Features for Full-Bridge CLLC Converters," in IEEE Transactions on Power Electronics, vol. 37, no. 2, pp. 2139-2151, Feb. 2022, doi: 10.1109/TPEL.2021.3108622.

E. Chung, J. -I. Ha, A. A. Bastami and D. J. Perreault, "Impedance Compressing Matching Network Based on Two-Port Network Analysis for Wireless Power Transfer System," in IEEE Journal of Emerging and Selected Topics in Industrial Electronics, vol. 3, no. 3, pp. 432-442, July 2022, doi: 10.1109/JESTIE.2021.3103679.

G. Noh, J. Lee and J. -I. Ha, "Design and Analysis of Single-Inductor Power Converter for Both Battery Balancing and Voltage Regulation," in IEEE Transactions on Industrial Electronics, vol. 69, no. 3, pp. 2874-2884, March 2022, doi: 10.1109/TIE.2021.3065606.

H. -G. Choi, K. Lee and J. -I. Ha, "Design and Control Method for Interior Permanent Magnet Synchronous Machine Drive With Capacitor Power Network," in IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 9, no. 1, pp. 259-273, Feb. 2021, doi: 10.1109/JESTPE.2019.2958693.

2020

J. Lee and J. -I. Ha, "Temperature Estimation of PMSM Using a Difference-Estimating Feedforward Neural Network," in IEEE Access, vol. 8, pp. 130855-130865, 2020, doi: 10.1109/ACCESS.2020.3009503.

G. Noh, J. Mace and J. -I. Ha, "Analysis and Design of 4-to-1 Capacitor-Stacking Balancer for Stacked Voltage Domain," in IEEE Access, vol. 8, pp. 110252-110263, 2020, doi: 10.1109/ACCESS.2020.3001598.

H. -G. Choi, K. Lee and J. -I. Ha, "Design and Control Method for a Surface-Mounted Permanent Magnet Motor Drive System With Passive Output Power Network," in IEEE Transactions on Power Electronics, vol. 35, no. 4, pp. 3891-3905, April 2020, doi: 10.1109/TPEL.2019.2937333.

Choi, Hg., Ha, JI. Dynamic current control using synchronous pulse-width modulation for permanent magnet machines. J. Power Electron. 20, 501–510 (2020), doi: 10.1007/s43236-020-00038-2.

2019

S. Kwon and J. -I. Ha, "Fault-Tolerant Operation Under Single-Phase Open in Mono Inverter Dual Parallel SMPMSM With Single Shaft," in IEEE Transactions on Power Electronics, vol. 34, no. 12, pp. 12064-12079, Dec. 2019, doi: 10.1109/TPEL.2019.2906431.

K. -H. Lee and J. -I. Ha, "Resonant Switching Cell Model for High-Frequency Single-Ended Resonant Converters," in IEEE Transactions on Power Electronics, vol. 34, no. 12, pp. 11897-11911, Dec. 2019, doi: 10.1109/TPEL.2019.2906336.

Mace, J., Noh, G., Jeon, Y., & Ha, J. I. (2019). Load and capacitor stacking topologies for DC-DC step down conversion. Journal of Power Electronics, 19(6), 1449-1457, doi: 10.6113/JPE.2019.19.6.1449.

K. Lee, J. -I. Ha and D. V. Simili, "Analysis and Suppression of Slotting and Cross-Coupling Effects on Current Control in PM Synchronous Motor Drives," in IEEE Transactions on Power Electronics, vol. 34, no. 10, pp. 9942-9956, Oct. 2019, doi: 10.1109/TPEL.2019.2894265.

Y. Han and J. -I. Ha, "Droop Control Using Impedance of Grid-Integrated DFIG within Microgrid," in IEEE Transactions on Energy Conversion, vol. 34, no. 1, pp. 88-97, March 2019, doi: 10.1109/TEC.2018.2861819.

G. -H. Min and J. -I. Ha, "Inner Supply Data Transmission in Quasi-Resonant Flyback Converters for Li-Ion Battery Applications Using Multiplexing Mode," in IEEE Transactions on Power Electronics, vol. 34, no. 1, pp. 64-73, Jan. 2019, doi: 10.1109/TPEL.2018.2827390.

2018

W. J. Chang, K. -H. Lee, J. -I. Ha and K. T. Nam, "Hydrogen Production via Water Electrolysis: The Benefits of a Solar Cell-Powered Process," in IEEE Electrification Magazine, vol. 6, no. 1, pp. 19-25, March 2018, doi: 10.1109/MELE.2017.2784632.

A. Al Bastami et al., "Dynamic Matching System for Radio-Frequency Plasma Generation," in IEEE Transactions on Power Electronics, vol. 33, no. 3, pp. 1940-1951, March 2018, doi: 10.1109/TPEL.2017.2734678.

J. Park, S. Jung and J. -I. Ha, "Variable Time Step Control for Six-Step Operation in Surface-Mounted Permanent Magnet Machine Drives," in IEEE Transactions on Power Electronics, vol. 33, no. 2, pp. 1501-1513, Feb. 2018, doi: 10.1109/TPEL.2017.2676703.

2017

Y. Han and J. -I. Ha, "Control Method of Double Inverter Fed Wound Machine for Minimizing Copper Loss in Maximized Operating Area," in IEEE Transactions on Industrial Electronics, vol. 64, no. 10, pp. 7700-7710, Oct. 2017, doi: 10.1109/TIE.2017.2696458.

E. Chung, K. -H. Lee, Y. Han and J. -I. Ha, "Single-Switch High-Frequency DC–DC Converter Using Parasitic Components," in IEEE Transactions on Power Electronics, vol. 32, no. 5, pp. 3651-3661, May 2017, doi: 10.1109/TPEL.2016.2582831.

J. Lee and J. -I. Ha, "Direction Priority Control Method for Magnetic Manipulation System in Current and Voltage Limits," in IEEE Transactions on Industrial Electronics, vol. 64, no. 4, pp. 2914-2923, April 2017, doi: 10.1109/TIE.2016.2633231.

K. -H. Lee, E. Chung, Y. Han and J. -I. Ha, "A Family of High-Frequency Single-Switch DC–DC Converters With Low Switch Voltage Stress Based on Impedance Networks," in IEEE Transactions on Power Electronics, vol. 32, no. 4, pp. 2913-2924, April 2017, doi: 10.1109/TPEL.2016.2580154.

Chang, W. J., Lee, K. H., Ha, H., Jin, K., Kim, G., Hwang, S. T., ... & Nam, K. T. (2017). Design principle and loss engineering for photovoltaic–electrolysis cell system. ACS omega, 2(3), 1009-1018, 10.1021/acsomega.7b00012

H. Shin, Y. -H. Chae, Y. Son and J. -I. Ha, "Single-Phase Grid-Connected Motor Drive System With DC-Link Shunt Compensator and Small DC-Link Capacitor," in IEEE Transactions on Power Electronics, vol. 32, no. 2, pp. 1268-1278, Feb. 2017, doi: 10.1109/TPEL.2016.2540633.

K. Lee and J. -I. Ha, "Single-Phase Inverter Drive for Interior Permanent Magnet Machines," in IEEE Transactions on Power Electronics, vol. 32, no. 2, pp. 1355-1366, Feb. 2017, doi: 10.1109/TPEL.2016.2553782.

H. Shin, Y. Son and J. -I. Ha, "Grid Current Shaping Method with DC-Link Shunt Compensator for Three-Phase Diode Rectifier-Fed Motor Drive System," in IEEE Transactions on Power Electronics, vol. 32, no. 2, pp. 1279-1288, Feb. 2017, doi: 10.1109/TPEL.2016.2540651.

Y. Son and J. -I. Ha, "Discontinuous Grid Current Control of Motor Drive System With Single-Phase Diode Rectifier and Small DC-Link Capacitor," in IEEE Transactions on Power Electronics, vol. 32, no. 2, pp. 1324-1334, Feb. 2017, doi: 10.1109/TPEL.2016.2544400.

2016

Jung, S., & Ha, J. I. (2016). Consideration of the carrier based signal injection method in three shunt sensing inverters for sensorless motor control. Journal of Power Electronics, 16(5), 1791-1801, doi: 10.6113/JPE.2016.16.5.1791

Kang, J., Kim, T., Shin, H., Lee, J., Ha, J. I., & Yoon, J. (2016). Direct energy recovery system for membrane capacitive deionization. Desalination, 398, 144-150, doi: 10.1016/j.desal.2016.07.025

Y. Lee and J. -I. Ha, "Control Method of Monoinverter Dual Parallel Drive System With Interior Permanent Magnet Synchronous Machines," in IEEE Transactions on Power Electronics, vol. 31, no. 10, pp. 7077-7086, Oct. 2016, doi: 10.1109/TPEL.2015.2508063.

Kim, J. W., & Ha, J. I. (2016). Cell balancing method in flyback converter without cell selection switch of multi-winding transformer. Journal of Electrical Engineering and Technology, 11(2), 367-376, doi: 10.5370/JEET.2016.11.2.367

Kim, J. W., & Ha, J. I. (2016). Accuracy enhancement of parameter estimation and sensorless algorithms based on current shaping. Journal of Power Electronics, 16(1), 1-8, doi: 10.6113/JPE.2016.16.1.1

2015

Y. Lee and J. -I. Ha, "Control Method for Mono Inverter Dual Parallel Surface-Mounted Permanent-Magnet Synchronous Machine Drive System," in IEEE Transactions on Industrial Electronics, vol. 62, no. 10, pp. 6096-6107, Oct. 2015, doi: 10.1109/TIE.2015.2420634.

S. Jung and J. -I. Ha, "Analog Filtering Method for Sensorless AC Machine Control With Carrier-Frequency Signal Injection," in IEEE Transactions on Industrial Electronics, vol. 62, no. 9, pp. 5348-5358, Sept. 2015, doi: 10.1109/TIE.2015.2410257.

Y. Son and J. -I. Ha, "Direct Power Control of a Three-Phase Inverter for Grid Input Current Shaping of a Single-Phase Diode Rectifier With a Small DC-Link Capacitor," in IEEE Transactions on Power Electronics, vol. 30, no. 7, pp. 3794-3803, July 2015, doi: 10.1109/TPEL.2014.2345421.

Y. Lee and J. -I. Ha, "Hybrid Modulation of Dual Inverter for Open-End Permanent Magnet Synchronous Motor," in IEEE Transactions on Power Electronics, vol. 30, no. 6, pp. 3286-3299, June 2015, doi: 10.1109/TPEL.2014.2325738.

K. Lee, Y. Han and J. -I. Ha, "Wound Rotor Machine With Single-Phase Stator and Three-Phase Rotor Windings Controlled by Isolated Three-Phase Inverter," in IEEE Transactions on Energy Conversion, vol. 30, no. 2, pp. 558-568, June 2015, doi: 10.1109/TEC.2015.2394807.

W. -J. Lee, Y. Son and J. -I. Ha, "Single-Phase Active Power Filtering Method Using Diode-Rectifier-Fed Motor Drive," in IEEE Transactions on Industry Applications, vol. 51, no. 3, pp. 2227-2236, May-June 2015, doi: 10.1109/TIA.2014.2365629.

2014

Y. Han and J. -I. Ha, "Wound Rotor Machine Fed by a Single-Phase Grid and Controlled by an Isolated Inverter," in IEEE Transactions on Power Electronics, vol. 29, no. 9, pp. 4843-4854, Sept. 2014, doi: 10.1109/TPEL.2013.2283738.

H. Shin and J. -I. Ha, "Phase Current Reconstructions from DC-Link Currents in Three-Phase Three-Level PWM Inverters," in IEEE Transactions on Power Electronics, vol. 29, no. 2, pp. 582-593, Feb. 2014, doi: 10.1109/TPEL.2013.2257866.

2013

Y. Han, S. Kim, J. -I. Ha and W. -J. Lee, "A Doubly Fed Induction Generator Controlled in Single-Sided Grid Connection for Wind Turbines," in IEEE Transactions on Energy Conversion, vol. 28, no. 2, pp. 413-424, June 2013, doi: 10.1109/TEC.2013.2252177.

J. -W. Shin, H. Shin, G. -S. Seo, J. -I. Ha and B. -H. Cho, "Low-Common Mode Voltage H-Bridge Converter with Additional Switch Legs," in IEEE Transactions on Power Electronics, vol. 28, no. 4, pp. 1773-1782, April 2013, doi: 10.1109/TPEL.2012.2213844.

Cho, B. G., Ha, J. I., & Sul, S. K. (2013). Analysis of the phase current measurement boundary of three shunt sensing PWM inverters and an expansion method. Journal of Power Electronics, 13(2), 232-242. 10.6113/JPE.2013.13.2.232

2012

S. Kim, J. -I. Ha and S. -K. Sul, "PWM Switching Frequency Signal Injection Sensorless Method in IPMSM," in IEEE Transactions on Industry Applications, vol. 48, no. 5, pp. 1576-1587, Sept.-Oct. 2012, doi: 10.1109/TIA.2012.2210175.

Lee, K. W., & Ha, J. I. (2012). Evaluation of back-EMF estimators for sensorless control of permanent magnet synchronous motors. Journal of Power Electronics, 12(4), 604-614, doi: org/10.6113/JPE.2012.12.4.604

2011

Lee, J., Kwon, H. G., Shin, S., Han, S., Ha, J., Yoo, H., & Cho, H. H. (2011). Thermal design of hot plate for 300-mm wafer heating in post-exposure bake. Microelectronic engineering, 88(11), 3195-3198, doi: 10.1016/j.mee.2011.08.012

2010

J. -I. Ha, "Current Prediction in Vector-Controlled PWM Inverters Using Single DC-Link Current Sensor," in IEEE Transactions on Industrial Electronics, vol. 57, no. 2, pp. 716-726, Feb. 2010, doi: 10.1109/TIE.2009.2028361.

2009

J. -I. Ha, "Voltage Injection Method for Three-Phase Current Reconstruction in PWM Inverters Using a Single Sensor," in IEEE Transactions on Power Electronics, vol. 24, no. 3, pp. 767-775, March 2009, doi: 10.1109/TPEL.2008.2009451.

2008

J. -I. Ha, "Analysis of Inherent Magnetic Position Sensors in Symmetric AC Machines for Zero or Low Speed Sensorless Drives," in IEEE Transactions on Magnetics, vol. 44, no. 12, pp. 4689-4696, Dec. 2008, doi: 10.1109/TMAG.2008.2003479.

2005

K. Ide, Jung-Ik Ha and M. Sawamura, "A hybrid speed estimator of flux observer for induction motor drives," in IEEE Transactions on Industrial Electronics, vol. 53, no. 1, pp. 130-137, Feb. 2006, doi: 10.1109/TIE.2005.862306.

2004

Ji-Hoon Jang, Jung-Ik Ha, M. Ohto, K. Ide and S. -K. Sul, "Analysis of permanent-magnet machine for sensorless control based on high-frequency signal injection," in IEEE Transactions on Industry Applications, vol. 40, no. 6, pp. 1595-1604, Nov.-Dec. 2004, doi: 10.1109/TIA.2004.836222.

2003

Ji-Hoon Jang, S. -K. Sul, Jung-Ik Ha, K. Ide and M. Sawamura, "Sensorless drive of surface-mounted permanent-magnet motor by high-frequency signal injection based on magnetic saliency," in IEEE Transactions on Industry Applications, vol. 39, no. 4, pp. 1031-1039, July-Aug. 2003, doi: 10.1109/TIA.2003.813734.

Jung-Ik Ha, K. Ide, T. Sawa and S. -K. Sul, "Sensorless rotor position estimation of an interior permanent-magnet motor from initial states," in IEEE Transactions on Industry Applications, vol. 39, no. 3, pp. 761-767, May-June 2003, doi: 10.1109/TIA.2003.811781.

2000

Chung, D. W., Ha, J. I., Sul, S. K., Ide, K., Murokita, I., & Sawa, T. (2000), "Controller design of sensorless induction machine by high frequency voltage injection," in IEEJ Transactions on Industry Applications, 120(11), 1257-1264. doi: 10.1541/ieejias.120.1257

1999

Jung-Ik Ha, Seog-Joo Kang and S. -K. Sul, "Position-controlled synchronous reluctance motor without rotational transducer," in IEEE Transactions on Industry Applications, vol. 35, no. 6, pp. 1393-1398, Nov.-Dec. 1999, doi: 10.1109/28.806054.

Jung-Ik Ha and S. -K. Sul, "Sensorless field-orientation control of an induction machine by high-frequency signal injection," in IEEE Transactions on Industry Applications, vol. 35, no. 1, pp. 45-51, Jan.-Feb. 1999, doi: 10.1109/28.740844.