Connecting the dots,
from coarse to fine problems
Current Member in NICELAB, Sogang University
Email: kjsong4089@gmail.com
Websites: Google Scholar, Github, LinkedIn
Research Interests
AI (Graph Neural Networks) + Optimization (Graph-based modeling) + High Performance Computing for Large-Scale Energy Systems
Renewable Energy Forecasting
AI for Optimization in (Renewable Energy-Integrated) Power Systems
e,g., Security-constrained OPF, Unit Commitment, Optimal Transmission Switching
Publications
International Journal Papers
H.T. Doan, M. Kim, K. Song, and H. Kim, Applied Energy, pp. 1-14, Aug. 2025 (2024 IF = 11.0, JCR Top 6.6%)
K. Song, M. Kim, and H. Kim, IEEE Transactions on Sustainable Energy, pp. 1-14, Aug. 2024 (2023 IF = 8.6, JCR Top 5%)
T. Park, K. Song, J. Jeong, and H. Kim, Energies, Vol.16, No. 14, pp. 1-20, Jul. 2023 (2022 IF = 3.2)
K. Song, J. Jeong, J. H. Moon, S. C. Kwon, and H. Kim, Sensors, Vol. 23, No. 1, pp. 1-18, Dec. 2022 (2021 IF = 3.847)
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Power System Decision Making in the Age of Deep Learning: A Comprehensive Review
Y. Lim, M. Son, K. Park, M. Kim, K. Song, H. Lee and H. Kim, submitted to Energies (1st round revision)
GraphOPF...
K. Song, K. Park, S. Choi, S. Kim, T. Kim, Y. Choi, S. Min, and H. Kim, submitted to the TPWRS
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ExpressOPF...
H.T. Doan, K. Song, S. Shin, K. Kim, and H. Kim, to be submitted to IEEE TPWRS (on-going)
DRL Home ESS ...
M. Son, K. Song, M. Kim, Y. Lim and H. Kim, submitted to ... (on-going)
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Data-Driven network control for PF, OPF based on the physics-aware GNN (e.g., co)
Comparative Analysis of Constructing Optimal Power Flow Foundation Models
FedDT w/ DP...
International Conference Papers
K. Song, M. Kim, and H. Kim, 2024 IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids (SmartGridComm)
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AI AC-OPF...
H.T. Doan, K. Song, K. Kim, and H. Kim, to be submitted to the Top AI conf. workshop (submitted)
Projects
National Power Grid Optimization with Hardware-Accelerated Physics-Informed Neural Network (PINN)
Sogang University, funded by National Research Foundation of Korea, Principal Investigator (2025.06 ~)
Study on AC-OPF: AI for Optimization (or Learning to Optimize) Approach
Sogang University, funded by KPX, Principal Investigator (2024.05 ~ 2025.05)
Sogang University (2024.02 ~ 2024.05)
→ Participated in this competition as "NICE_Forecast" team and got 11th/3rd place in the total and student teams.
If you want to check our methods, please see our code (on-going).
Scheduling Charge/discharge Control of the Home Energy Storage System
Sogang University, funded by LG Electronics, Principal Investigator (2023.04 ~ 2023.10)
Pioneering Technological Advancements for Enabling Home Energy Management Systems
Sogang University, led by ETRI & funded by KETEP, Principal Investigator (2022.06 ~ 2023.06)
Smart City Energy Data Prediction / Analysis and Visualization
Sogang University, funded by KEPCO KEPRI, Principal Investigator (2021.03 ~ 2022.12)
Patents
대규모 데이터 결손 보완을 고려한 발전 예측 시스템 및 방법
Sogang University
에너지 프라이버시 보호를 위한 분할학습 기반 태양광 예측 모델
Sogang University
Method and System for Predicting Renewable Energy Power Generation using Data from Multiple Weather Stations
KR 1020220157702, 2022.11.22 (Sogang University & KEPCO KEPRI)
Awards
The Grand Prize (최우수상): Sogang University Best Paper Award
Sogang University, 2024
Excellence award (우수상): Qualcomm & Sogang University Best Paper Award
Sogang University, 2023
Encouragement award (장려상): Qualcomm & Sogang University Best Paper Award
Sogang University, 2022
Encouragement award (장려상): Result Performance of Tech University of Korea LINC+
Tech University of Korea, 2020.11
WorldClass Enterprise Association chairman's award (월드클래스기업협회장 수상): TUK 20th Industrial Technology Exhibition
Tech University of Korea, 2020.10
The First Prize (최우수상): CP-CoP (Creative Project-Community of Practice) Competition
Tech University of Korea, 2019.11
Reviewer Activities
IEEE Transactions on Sustainable Energy