2023

 11. Gyuri Kim and Yeongsu Bak, “Battery Charger with a Wide Range of Output Voltages for Personal Mobility Device,” The Transactions of the Korean
Institute of Power Electronics, vol. 28, no. 6, pp. 424–430, Dec. 2023.

 10. Gwanyoung Moon and Yeongsu Bak, “Operation Method of Power Sliding Door in Vehicle Using BLDC Motor,” The Transactions of the Korean
Institute of Power Electronics, vol. 28, no. 2, pp. 98–104, Apr. 2023.

2020

  9. Byeol Han, June-Seok Lee, Yeongsu Bak, and Kyo-Beum Lee, “Performance Analysis of Direct Torque Control method for Traction System based on IPMSM,” Journal of the Korean Society for Railway, vol. 23, no. 1, pp. 21–34, Jan. 2020.

2019

  8. Dae-Hyun Cho, Yeongsu Bak, and Kyo-Beum Lee, “Performance Improvement of a Hydraulic Turbine Generation System Using Adaptive Fuzzy Sliding Mode Control,” The Transactions of the Korean Institute of Electrical Engineers, vol. 68, no. 10, pp. 1195–1203, Oct. 2019.

  7. Sung-Soo Jeon, Yeongsu Bak, and Kyo-Beum Lee, “Minimization of DC-Link Voltage Variation in a Hydraulic Turbine Generation System Using
Back-to-Back Converters,” The Transactions of the Korean Institute of Electrical Engineers, vol. 68, no. 8, pp. 943–950, Sep. 2019.

  6. Byeol Han, Yeongsu Bak, and Kyo-Beum Lee, “Improvement of Dynamic Response for IPMSM based on DTC-CFTC Using Sliding Mode Control,” Journal of Institute of Korean Electrical and Electronics Engineers, vol. 23, no. 2, pp. 628–635, Jun. 2019.

  5. Young Jae Lee, Yeongsu Bak, and Kyo-Beum Lee, “Restarting Method for EEMF Based Sensorless Permanent Magnet Synchronous Motor Drive Systems,” The Transactions of the Korean Institute of Power Electronics, vol. 24, no. 2, pp. 127–133, Apr. 2019.

  4. Yeongsu Bak, June-Seok Lee, and Kyo-Beum Lee, “Driving Method of Interior Permanent Magnet Synchronous Motor for Railroad Cars Using a Synchronous PWM Method,” Journal of The Korean Society for Railway, vol. 22, no. 2, pp. 129–139, Feb. 2019.

2018

  3. Keon Young Kim, Yeongsu Bak, and Kyo-Beum Lee, “Initial Rotor Position Estimation of an IPMSM Based on Least Squares Approximation with a Polarity Identification,” The Transactions of the Korean Institute of Power Electronics, vol. 23, no. 1, pp. 72–75, Feb. 2018.

2017

  2. Yoon Jang, Yeongsu Bak, and Kyo-Beum Lee, “Torque Predictive Control for Dynamic Performance Improvement of Clamping Force in EMB for Railroad Cars,” Journal of Institute of Korean Electrical and Electronics Engineers, vol. 21, no. 3, pp. 174–184, Sep. 2017.

  1. Jiook Sin, Yeongsu Bak, Seong-Soo Park, and Kyo-Beum Lee, “Reduction of Grid Current Harmonic Distortion through a 6th Harmonic Control Method in Grid-Connected Three-Level NPC Inverters,” The Transactions of the Korean Institute of Electrical Engineers, vol. 66, no. 5, pp. 778–785, May 2017.