Hyeongmeen Baik (Graduate Student Member, IEEE) received the B.S. degree in electrical and electronic engineering from Yonsei University, Seoul, South Korea, in 2023. He is currently pursuing the Ph.D. degree in electrical and computer engineering at the University of Wisconsin–Madison, Madison, WI, USA. Since 2023, he has been a Research Assistant with the Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC), Madison, WI, USA, where he focuses on power electronics and control methods for power-electronics-based pulsed-power applications.
His research interests include advanced control strategies for high-power pulsed systems, renewable energy systems, energy-storage interfaces, high-frequency switching techniques for improved efficiency and reliability, and AI-driven modeling and control of power converters. He received the Best Presentation Award at IEEE APEC 2026.
Research Interests
- Pulsed power: Marx-generator pulsed power, magnetic confinement fusion, DBD drivers, and power-pulsation-buffer (PPB) control
- AI for power electronics: physics-informed neural networks (PINNs), spiking neural networks (SNNs), and reinforcement-learning-augmented MPC
- Renewable interfaces: electrolyzer EIS characterization and multi-port boost converters for hybrid power sources
- Bidirectional switches: four-quadrant double-pulse testing of monolithic bidirectional GaN switches (MBDS)
Education
Ph.D., Electrical & Computer Engineering
Advisor: Prof. Jinia Roy · WEMPEC
B.S., Electrical & Electronic Engineering
Thesis: Short-term photovoltaic power forecasting model based on ANN & meteorological factors
Honors & Awards
- Best Presentation Award, APEC 2026
- Highest Honors (Top 1% of department), Yonsei University — Spring 2022, Fall 2020
- High Honors (Top 3% of department), Yonsei University — Spring 2021, Fall 2019
- Honors (Top 10% of department), Yonsei University — Fall 2021
- Scholarship for Academic Excellence (Full-tuition), Yonsei University — Fall 2022, Spring 2021
- Scholarship for Academic Excellence (Half-tuition), Yonsei University — Spring 2022, Fall 2021
Research Experience
Research Assistant (Advisor: Prof. Jinia Roy)
- Solid-state Marx-generator pulsed power systems, modular flat-top current compensators for magnetic confinement fusion, and power electronics for dielectric barrier discharge (DBD) applications; PPB control for high-PAPR pulsed loads
- Applied PINNs, SNNs, and RL-augmented MPC for parameter identification, fault detection, and adaptive control of power converters
- GaN-based three-phase interleaved buck converter for electrochemical impedance spectroscopy (EIS) of water electrolyzers; multi-port extended-duty-ratio boost converter for hybrid power sources
- Four-quadrant double-pulse test (DPT) circuit for characterization and dynamic on-resistance evaluation of monolithic bidirectional GaN switches (MBDS)
Research Assistant (Advisor: Prof. Ye gu Kang)
- Linear Hall-effect sensor prototypes for x–y and rotary position estimation
- Optimal IPM rotor geometry via differential evolution
- Dual-mode (generator/motor) machine evaluation for maritime applications (Hyosung)
Research Intern
- Evaluated autoencoder-based deep-learning communication system performance
- Analyzed OFDM modulation and BER over multi- and single-path channels
Teaching
Teaching Assistant
Teaching Assistant (Supervisor: Prof. Jinia Roy)
- Developed active-learning modules for flipped-classroom instruction
- Led discussions and supported students during lectures and office hours
Tutorials & Invited Presentations
- H. Baik and J. Roy, “Active Capacitor Circuit and Control Techniques for Transportation Electrification Systems,” 90-min tutorial (peer-reviewed), IEEE Transportation Electrification Conference & Expo + IEEE Electric Aircraft Technologies Symposium (ITEC+EATS), Novi, MI, Jun 2026.
Publications
- H. Baik and J. Roy, “Review of Power Electronic Solutions for Dielectric Barrier Discharge Applications,” IEEE Transactions on Power Electronics, 2026.
- H. Baik and J. Roy, “EMI-Robust Physics-Informed Neural Networks for DC-DC Converter Parameter Identification,” IEEE Energy Conversion Congress and Exposition (ECCE), 2026 (accepted, to appear).
- H. Baik, S. Bae, and J. Roy, “Modeling and Dual-Mode Control of a Pulsed Buck Flashlamp Driver,” IEEE Energy Conversion Congress and Exposition (ECCE), 2026 (accepted, to appear).
- H. Baik, H. Poursiami, M. Parsa, and J. Roy, “Neuromorphic Parameter Estimation for Power Converter Health Monitoring Using Spiking Neural Networks,” International Conference on Neuromorphic Systems (ICONS), 2026 (accepted, to appear); arXiv:2604.15714, 2026.
- S. Kapse, H. Baik, and J. Roy, “Design of High-Frequency, High-Voltage Planar Transformer for Driving Dielectric Barrier Discharge Loads,” IEEE Applied Power Electronics Conference (APEC), Session D31.8, 2026.
- H. Kong, H. Baik, and J. Roy, “Double-Pulse Test Circuit for Four-Quadrant Characterization and Dynamic ON-Resistance Evaluation of Monolithic Bidirectional GaN Switches,” IEEE Applied Power Electronics Conference (APEC), Session T22.2, 2026.
- H. Baik, I. Prabhu, and J. Roy, “Multi-Port Extended-Duty-Ratio Boost Converter for Hybrid Power Sources,” IEEE Energy Conversion Congress and Exposition (ECCE), pp. 1–6, 2025.
- P. Javidi, H. Baik, and J. Roy, “A Synchronous Gate Driver System for Series-Connected SiC MOSFETs for High-Voltage Pulsed Power Supplies Based on Magnetic Pulse Compression,” IEEE Energy Conversion Congress and Exposition (ECCE), pp. 1–8, 2025.
- A. Chinnusamy, H. Baik, and J. Roy, “High Power Density Solid State Marx Generator Based Pulsed Power Driver for Nonlinear Transmission Line,” IEEE Energy Conversion Congress & Exposition Asia (ECCE-Asia), pp. 1–6, 2025.
- H. Baik and J. Roy, “Modular Flat-Top High-Current Compensator for Flywheel Energy Storage System in Magnetic Confinement Fusion Applications,” IEEE Energy Conversion Congress and Exposition (ECCE), pp. 7352–7358, 2024.
Preprints & Under Review
- H. Baik and J. Roy, “Parametric Instability of Gain-Scheduled DC–DC Converters under Pulsed Loads: Monodromy Analysis and Design Guideline,” submitted to IEEE Transactions on Industrial Electronics, 2026 (under review).
Patents
- H. Baik, Y. g. Kang, “Hall Sensor Based Rotor Position Estimation System and Method,” Korean Patent Application No. 10-2022-0060038 (2022).