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We develop modeling, optimization, and control technologies for hybrid and electric propulsion systems. Our research addresses shipboard energy management, hybrid energy storage systems, power distribution optimization, PHILS-based validation, and AI-assisted control strategies. By combining physics-based propulsion models with operational data and intelligent optimization algorithms, we aim to improve energy efficiency, reliability, and sustainability in future marine mobility systems.
Related works
Related works
Min Young Jang, Seong Hyeon Kim, Tae Kyung Lee, Bum Hyun Lim, Kyung Won Bae, Sun Je Kim, "Operating Data-Based State Prediction for Ship Engine Monitoring", ISOPE 2026 (The 26th International Ocean and Polar Engineering Conference), USA, 2026.06
Min Young Jang, Su Bin Choi, Soon Ho Hong, Hyun Min Song, Sun Je Kim, "Study on the scaled-down testbed design to develop power control strategies of hybrid electric propulsion ships", 11th PAAMES/AMEC 2025, Singapore, 2025.12
S.H. Hong, S.B. Choi, M.Y. Jang, S.J. Kim (C.A.),"Integrated topology and power distribution optimization for the shipboard hybrid energy storage system via genetic algorithms and dynamic programming", Ocean Engineering, 2025.
S.B. Choi, S.H. Hong, S.J. Kim (C.A.), "Stochastic Power Control Strategy for Hybrid Electric Propulsion Ships Using Markov Chain-Based Operational Data Augmentation," Journal of Marine Science and Engineering, 2025.
S.H. Hong, S.B. Choi, S.J. Kim (C.A.),"Hybrid energy management strategy based on neural networks robust to fluctuations in operational load", Ocean Engineering, 2025.
Su Bin Choi, Soon Ho Hong, Hyun Min Song, Sun Je Kim, "Development of the PHILS system for energy efficiency analysis and power control optimization of hybrid electric propulsion ship", Global Conference on Naval Architecture and Ocean Engineering(G-NAOE), UK, 2024.11
S.H. Hong, D.M. Kim, S.J. Kim (C.A.), "Power Control Strategy Optimization to Improve Energy Efficiency of the Hybrid Electric Propulsion Ship," IEEE Access, 2024.
S.H. Hong, D.M. Kim, S.J. Kim (C.A.), "A Back-Forward Approach-Based Efficiency Performance Analysis Model for Hybrid Electric Propulsion Ships Using the Holtrop-Mennen Method," Journal of Marine Science and Engineering, 2024.
S.H. Hong, D.M. Kim, and S.J. Kim, "Control variable optimization of high-level power controller to improve energy efficiency of the hybrid electric propulsion ship," Ubiquitous Robots 2023, USA, 2023.06.
S.J. Kim, K.-S. Kim, D. Kum, “Feasibility assessment and design optimization of a clutchless multimode parallel hybrid electric powertrain,” IEEE/ASME Transactions on Mechatronics, 2016.
S.J. Kim, K.-S. Kim, Y.-S. Yoon, “Development of a tire model based on an analysis of tire strain obtained by an intelligent tire system,” Int. J. of Auto. Tech., 2015.
S.J. Kim, Y.-S. Yoon, S. Kim, K.-S. Kim, “Fuel economy assessment of novel multi-mode parallel hybrid electric vehicle,” Int. J. of Auto. Tech., 2015.
S.J. Kim, C. Song, K.-S. Kim, Y.-S. Yoon, “Analysis of the shifting behavior of a novel clutchless geared smart transmission,” Int. J. of Auto. Tech., 2014.
Y.-S. Yoon, S.J. Kim, K.-S. Kim, “Conceptual design of economic hybrid vehicle system using clutchless geared smart transmission,” Int. J. of Auto. Tech., 2013.
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