International Conferences

2024

M. Kim, J. Kim, J. Shin, J. Shim and J. -I. Ha, "Voltage Injection-Based Fault Diagnosis for Power Devices with Multi-Module Neural Networks," 2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia), Chengdu, China, 2024, pp. 4660-4665, doi: 10.1109/IPEMC-ECCEAsia60879.2024.10567341.

J. Lee, D. Lee, S. Lee and J. -I. Ha, "Direct Leakage Current Control Method of Single-Phase Non-Isolated EV Charger," 2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia), Chengdu, China, 2024, pp. 5053-5058, doi: 10.1109/IPEMC-ECCEAsia60879.2024.10567233.

J. Lee, S. Choi, E. Chung and J. -I. Ha, "Design Method of Impedance Transformation Network for Robust Resonant Power Converters with Wide Load Impedance Variation," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, 2024, pp. 101-106, doi: 10.1109/APEC48139.2024.10509146.

G. C. Lim, J. Yang, C. Hwang and J. -I. Ha, "Zero Sequence and Ground Current Analysis of Dual Source Open-End Winding PMSM Drive System," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, 2024, pp. 575-580, doi: 10.1109/APEC48139.2024.10509161.

J. Yang, G. C. Lim, C. Hwang and J. -I. Ha, "Two-Phase Interleaved DC Charging Method of Integrated Charger for Efficiency Enhancement," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, 2024, pp. 801-806, doi: 10.1109/APEC48139.2024.10509044.

C. Hwang, G. C. Lim, S. Lee, J. -J. Moon, K. -S. Park and J. -I. Ha, "Synchronous Overmodulation for Reduced Number of Switchings with Unit Voltage Gain Including Six-Step Operation," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, 2024, pp. 122-127, doi: 10.1109/APEC48139.2024.10509358.

2023

J. Shim, S. Lee, D. Jeon and J. -I. Ha, "Static Friction Torque Estimation for Robot Manipulators Using a Data-Driven Approach," 2023 IEEE International Symposium on Sensorless Control for Electrical Drives (SLED), Seoul, Korea, Republic of, 2023, pp. 1-5, doi: 10.1109/SLED57582.2023.10261391.

J. Shim, J. Choi, S. Lee and J. -I. Ha, "Multi-Channel Neural Networks-Based Thermal Monitoring of Electric Motor," 2023 IEEE International Symposium on Sensorless Control for Electrical Drives (SLED), Seoul, Korea, Republic of, 2023, pp. 1-6, doi: 10.1109/SLED57582.2023.10261386.

B. R. Park, G. C. Lim, Y. Han and J. -I. Ha, "Hexa-Active Vector Pulse Width Modulation in IPMSM Sensorless Drives Using Single DC-Link Current Sensor," 2023 IEEE International Symposium on Sensorless Control for Electrical Drives (SLED), Seoul, Korea, Republic of, 2023, pp. 1-7, doi: 10.1109/SLED57582.2023.10261368.

G. C. Lim, J. Lee, B. R. Park and J. -I. Ha, "Analysis of Pulse Width Modulation Methods for PMSM Sensorless Control Based on Current Derivative Measurement," 2023 IEEE International Symposium on Sensorless Control for Electrical Drives (SLED), Seoul, Korea, Republic of, 2023, pp. 1-5, doi: 10.1109/SLED57582.2023.10261383.

G. -H. Min, H. Kwon, J. Lee and J. -I. Ha, "Virtually Isolated Class E Converter with Coupled Capacitors," 2023 IEEE Applied Power Electronics Conference and Exposition (APEC), Orlando, FL, USA, 2023, pp. 2124-2128, doi: 10.1109/APEC43580.2023.10131604.

J. Lee, B. R. Park, G. C. Lim and J. -I. Ha, "Hybrid Pulse Width Modulation with Current Derivative Measurement for PMSM Sensorless Control," 2023 IEEE Applied Power Electronics Conference and Exposition (APEC), Orlando, FL, USA, 2023, pp. 1090-1096, doi: 10.1109/APEC43580.2023.10131520.

B. R. Park, G. C. Lim, Y. Han, J. Lee and J. -I. Ha, "Saliency-Based Sensorless IPMSM Drives Using Derivatives of Phase Currents With Single DC-Link Current Sensor," 2023 IEEE Applied Power Electronics Conference and Exposition (APEC), Orlando, FL, USA, 2023, pp. 1402-1408, doi: 10.1109/APEC43580.2023.10131390.

H. Lee, J. Lee and J. -I. Ha, "Chattering Suppression of Sliding Mode Observer in Load Torque Estimation," 2023 IEEE Applied Power Electronics Conference and Exposition (APEC), Orlando, FL, USA, 2023, pp. 678-685, doi: 10.1109/APEC43580.2023.10131276.

2022

J. Lee and J. -I. Ha, "Active Reactance Control for Output Voltage Regulation in Wireless Power Transfer," 2022 IEEE Energy Conversion Congress and Exposition (ECCE), Detroit, MI, USA, 2022, pp. 1-5, doi: 10.1109/ECCE50734.2022.9948184.

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2012