2025

 25. Byeong-Il Kim, Joon-Seok Kim, Yeongsu Bak, and June-Seok Lee "A Complementary Carrier based PWM Strategy for Average Current Sampling of Three-Phase Inverter Using Single Current Sensor," in Proc. Applied Power Electronics Conference (APEC), pp. 1734–1740, 2025.

2024

 24. Junhyeok Choi and Yeongsu Bak, "Improved Sliding Mode Control Method Using a Hyperbolic Function for Battery Charger of PMDs," in Proc. International Conference on Electrical Machines and Systems (ICEMS), pp. 76–79, 2024.

 23. Gyuri Kim and Yeongsu Bak, "Sliding Mode Control Method Based on FLC for Performance Improvement of PMD Battery Charger," in Proc. International Conference on Electrical Machines and Systems (ICEMS), pp. 72–75, 2024.

2023

 22. Yeongsu Bak, "An Improved Torque Predictive Control Method for Permanent Magnet Synchronous Motors Using a Fuzzy Logic Control," in Proc. Energy Conversion Congress and Exposition (ECCE), pp. 5284–5289, 2023.

 21. Yeongsu Bak, "Control Strategy for Restarting Procedure of Sensorless PMSM Drives Using Indirect Matrix Converter," in Proc. Applied Power Electronics Conference (APEC), pp. 3216–3221, 2023.

2019

 20. Sung-Soo Jeon, Yeongsu Bak, and Kyo-Beum Lee, "Reduction of DC-Link Voltage Fluctuation for Hydraulic Turbine Generation Systems Using Back-to-Back Converters," in Proc. Conference on Energy Conversion (CENCON), pp. 75–78, 2019.

 19. Young Jae Lee, Yeongsu Bak, and Kyo-Beum Lee, "Dynamic Characteristic Improvement of Phase-Shift Full-Bridge Center-Tapped Converters Using a Model Predictive Control," in Proc. Conference on Energy Conversion (CENCON), pp. 100–103, 2019.

 18. Ho-Sung Kang, Seok-Min Kim, Yeongsu Bak, and Kyo-Beum Lee, "A Controller Design for a Stability Improvement of an Integrated Charging System in Hybrid Electric Vehicle," in Proc. Control of Smart Grid and Renewable Energy Systems (CSGRES), pp. 141–146, 2019.

 17. Anto Joseph, Yeongsu Bak, Sze Sing Lee, and Kyo-Beum Lee, "Fault-Tolerant and Reconfiguration Control for Boost Multi-level NPC Converter Fed Doubly Fed Induction Machines," in Proc. International Conference on Power Electronics (ICPE), pp. 2466–2472, 2019.

 16. Yeongsu Bak and Kyo-Beum Lee, "Restarting Method for Hydraulic Turbine Generation Systems Applied PMSG Sensorless Control," in Proc. International Conference on Power Electronics (ICPE), pp. 1639–1644, 2019.

 15. Dong-Woo Seo, Yeongsu Bak, Sungjoon Cho, Kyuchul Bae, and Kyo-Beum Lee, "An Improved Flying Restart Method of Sensorless PMSM Drive Systems Fed by an ANPC Inverter Using Repetitive Zero Voltage Vectors," in Proc. Applied Power Electronics Conference (APEC), pp. 3309–3314, 2019.

 14. Keon Young Kim, Yeongsu Bak, and Kyo-Beum Lee, "Model Predictive Current Control for a PMSM Fed by an Indirect Matrix Converter With Torque Ripple Reduction," in Proc. Applied Power Electronics Conference (APEC), pp. 1891–1896, 2019.

2018

 13. Dongho Choi, Yeongsu Bak, and Kyo-Beum Lee, "Short Fault Detection of Outer Switches in the Current Source Inverter for Reverse Matrix Converter," in Proc. International Conference on Electrical Engineering (ICEE), 2018.

 12. 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," in Proc. International Power Electronics Conference (IPEC), pp. 4104–4108, 2018.

 11. Yun Jang, Yeongsu Bak, and Kyo-Beum Lee, "Indirect Matrix Converter for Permanent-Magnet-Synchronous-Motor Drives by Improved Torque Predictive Control," in Proc. International Power Electronics Conference (IPEC), pp. 1736–1740, 2018.

 10. 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," in Proc. Applied Power Electronics Conference (APEC), pp. 1299–1304, 2018.

2017

  9. Yeongsu Bak, June-Seok Lee, and Kyo-Beum Lee, "Modulation and Control Strategy for a Single-Phase to Three-Phase Indirect Matrix Converter Drives," in Proc. Energy Conversion Congress and Exposition (ECCE), pp. 1065–1070, 2017.

2016

  8. 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," in Proc. Power and Energy Conference (PECON), pp. 461–466, 2016.

  7. Yeongsu Bak, June-Seok Lee, and Kyo-Beum Lee, "A Low Voltage Ride Through Control Strategy for Energy Storage Systems," in Proc. Energy Conversion Congress and Exposition (ECCE), pp. 1–6, 2016.

  6. June-Seok Lee, Yeongsu Bak, Kyo-Beum Lee, and Frede Blaabjerg "MPC-SVM Method for Vienna Rectifier with PMSG used in Wind Turbine Systems," in Proc. Applied Power Electronics Conference (APEC), pp. 3416–3421, 2016.

  5. Yeongsu Bak and Kyo-Beum Lee, "Discontinuous PWM for Low Switching Losses in Indirect Matrix Converter Drives," in Proc. Applied Power Electronics Conference (APEC), pp. 2764–2769, 2016.

2015

  4. Yeongsu Bak, June-Seok Lee, and Kyo-Beum Lee, "Control Strategy for Balanced Currents of Indirect Matrix Converter Under Unbalanced Grid Voltage Conditions," in Proc. Asia-Pacific Forum on Renewable Energy (AFORE), pp. 164–164, 2015.

  3. Yeongsu Bak, Yongsoo Cho, and Kyo-Beum Lee, "Reverse Matrix Converter for Permanent Magnet Synchronous Motor Drives using a Direct Power Control," in Proc. Energy Conversion Congress and Exposition (ECCE), pp. 6832–6837, 2015.

  2. Yeongsu Bak, Eunsil Lee, Yongsoo Cho, and Kyo-Beum Lee, "Constant Speed Control for a Reverse Matrix Converter under Variable Input Conditions," in Proc. Energy Conversion Congress and Exposition (ECCE), pp. 5924–5929, 2015.

2014

  1. Yeongsu Bak, Eunsil Lee, and Kyo-Beum Lee, "An Indirect Matrix Converter for Dual Output AC-Drive System With Reduced Number of Power Transistors," in Proc. Conference on Energy Conversion (CENCON), pp. 360–364, 2014.