International
Journal papers
- 2024
J. Jung, D. Kim, L. Yang, and N. Kim, "Optimal Energy Management Strategy for Repeat Path Operating Fuel Cell Hybrid Tram," Energies, vol. 17, no. 7, p. 1560, 2024. [link].
- 2023
T. Kim, W. Lee, D. Park, J. Jung, and N. Kim, "Energy-Saving Strategy for Speed Cruise Control Using Pulse and Glide Driving," International Journal of Precision Engineering and Manufacturing-Green Technology, vol. 10, no. 6, pp. 1553-1564, 2023. [link].
L. Yang, D. Park, S. Lyu, C. Zheng, and N. Kim, "Optimal Control for Shifting Command of Two-Speed Electric Vehicles Considering Shifting Loss," International Journal of Automotive Technology, vol. 24, no. 4, pp. 1051-1059, 2023. [link].
D. Xu, C. Zheng, Y. Cui, S. Fu, N. Kim & S. W. Cha, "Recent Progress in Learning Algorithms Applied in Energy Management of Hybrid Vehicles: A Comprehensive Review," International Journal of Precision Engineering and Manufacturing-Green Technology, vol. 10, no1, pp. 245-267. [link].
- 2022
H. Lee, K. Kim, N. Kim*, and S. W. Cha*, "Energy efficient speed planning of electric vehicles for car-following scenario using model-based reinforcement learning," Applied Energy, vol. 313, p. 118460. [link].
W. Li, J. Ye, Y. Cui, N. Kim, S. W. Cha, and C. Zheng*, "A Speedy Reinforcement Learning-Based Energy Management Strategy for Fuel Cell Hybrid Vehicles Considering Fuel Cell System Lifetime," International Journal of Precision Engineering and Manufacturing-Green Technology, vol. 9, no. 3, pp. 859-872. [link].
H. Jeoung, W. Lee, D. Park, and N. Kim*, "Data-Driven Analysis of the Correlation of Future Information and Costates for PMP-based Energy Management Strategy of Hybrid Electric Vehicle," International Journal of Precision Engineering and Manufacturing-Green Technology, vol. 9, no. 3, pp. 873-883. [link]
- 2021
N. Kim*, C. Zheng, J. Jeong, H. Lee, W. Lee, and H. Jeoung, "Generic Representations for Hybrid Powertrain Configurations," International Journal of Automotive Technology, vol. 22, no. 6, pp. 1683-1693. [link]
C. Zheng, Y. Wang, Z. Liu, T. Sun, N. Kim, J. Jeong, and S.W. Cha, "A Hybrid Energy Storage System for an Electric Vehicle and Its Effectiveness Validation," International Journal of Precision Engineering and Manufacturing-Green Technology, vol. 8, no. 6, pp. 1739-1754. [link]
W. Lee, H. Jeoung, D. Park, T. Kim, H. Lee, and N. Kim*, "A Real-Time Intelligent Energy Management Strategy for Hybrid Electric Vehicles Using Reinforcement Learning," IEEE Access, vol. 9, pp. 72759-72768. [link]
W. Lee, J. Park, and N. Kim*, "Analysis of Transmission Efficiency of a Plug-In Hybrid Vehicle Based on Operating Modes," International Journal of Precision Engineering and Manufacturing-Green Technology, vol. 8, no. 1, pp. 165-175 [link]
- 2020
H. Lee, N. Kim*, and S. W. Cha*, "Model-based Reinforcement Learning for Eco Driving Control of Electric Vehicles," IEEE Access, vol. 8, pp. 202886-202896, 2020, [link]
W. Lee, J. Jeong, T. Kim, J. Chung, D. Kim, B. Lee, N. Kim*, "Control Analysis of a Real-World P2 Hybrid Electric Vehicle Based on Test Data," Energies, vol. 13, no. 16, p.4092, 2020. [link]
H. Lee, C. Kang, Y. Park, N. Kim*, and S. W. Cha*, "Online Data-Driven Energy Management of a Hybrid Electric Vehicle Using Model-Based Q-Learning," IEEE Access, vol. 8, pp. 84444-84454, 2020. [link]
H. Lee, C. Song, N. Kim*, and S. W. Cha*, "Comparative Analysis of Energy Management Strategies for HEV: Dynamic Programming and Reinforcement Learning," IEEE Access, vol. 8, pp. 67112-67123, 2020. [link]
B. Gu, H. Lee, C. Kang, D. Sung, S. Lee, S. Yun, S. K. Park, G. Cho, N. Kim*, and S. W. Cha*, "Receding Horizon Control of Cooling System for Large-Size Uninterruptible Power Supply based on a Metal-Air Battery System," Energies, vol. 13, no. 7, p.1611, 2020. [link]
- 2019
W. Lee, H. Jeoung, D. Park, and N. Kim*, "An Adaptive Concept of PMP-based Control for Saving Operating Costs of Extended-Range Electric Vehicles," IEEE Transactions on Vehicular Technology, vol. 68, no. 12, pp. 11505-11512, 2019, [link]
N. Kim*, J, Jeong, and C. Zheng, "Adaptive Energy Management Strategy for Plug-In Hybrid Electric Vehicles with Pontryagin’s Minimum Principle Based on Daily Driving Patterns," International Journal of Precision Engineering and Manufacturing-Green Technology, vol. 6, no. 3, 2019, pp. 539-548. [link]
H. Jeoung, K. Lee, and N. Kim*, "Methodology for Finding Maximum Performance and Improvement Possibility of Rule-based Control for Parallel Type-2 Hybrid Electric Vehicles," Energies, vol. 12, no. 10, 2019, p1924. [link]
N. Kim*, W. Lee, H. Jeoung, D. H. Park, and D. Kim, "A Method for Solving Causality Conflicts in Vehicle Powertrain Modeling," J Mech Sci Technol, vol. 33, no. 4, 2019, pp. 1523-1533. [link]
- 2018
N. Kim* and Y. Park, "Collision Tests and Model Development of a Train Coupling System Using a High Capacity Energy Absorber," Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, vol. 232, no. 9, 2018, pp. 2215-2227. [link]
- 2017
J. Jeong, N. Kim, W. Lim, Y-I Park,, S. W. Cha*, and M. E. Jang*, "Optimization of power management among an engine, battery and ultra-capacitor for a series HEV: a dynamic programming application," International Journal of Automotive Technology, vol. 18, no. 5, 2017, pp. 891–900. [link]
- 2016
N. Kim*, A. Rousseau, and E. Rask, "Parameter Estimation for a Lithium-Ion Battery From Chassis Dynamometer Tests," IEEE Transactions on Vehicular Technology, vol. 65, pp. 4393-4400, 2016. [link]
N. Kim*, J. Jeong, S. Ha, and S. W. Cha, "Sufficient Conditions of Optimal Energy Management Strategies for Fuel Cell Hybrid Electric Vehicles Based on Pontryagin’s Minimum Principle," IMechE Part D: J. Automobile Engineering, vol 230, no. 2, 2016, pp. 202-214. [link]
N. Kim* and A. Rousseau, "Thermal impact on the control and the efficiency of the 2010 Toyota Prius hybrid electric vehicle," IMechE Part D: J. Automobile Engineering, vol 230, no. 1, 2016, pp. 82-92. [link]
In conference proceeding
W. Lee, J. Han, Y. Zhang, D. Karbowski, A. Rousseau and N. Kim, "A Real-Time Intelligent Speed Optimization Planner using Reinforcement Learning", In 2020 SAE World Congress Experience (WCX), SAE Technical Paper 2021-01-0434, 2021. [link]
J. Han, W. Lee, D. Karbowski, A. Rousseau, and N. Kim, "Fine-tuning a real-time speed planner for eco-driving of connected and automated vehicles," In 2020 IEEE Vehicle Power and Propulsion Conference (VPPC), pp. 1-6, 2020. [link]
W. Lee, H. Jeoung, D. Park, L. Yang and N. Kim, "Analysis of Powertrain Efficiency of a Multi-Mode Hybrid Electric Vehicle Based on Operating Modes," In 2020 IEEE Vehicle Power and Propulsion Conference (VPPC), pp. 1-5, 2020. [link]
D. Park, L. Yang and N. Kim, "Validation for Ioniq EV via Chassis Dynamometer Test," 2019 IEEE Vehicle Power and Propulsion Conference (VPPC), Hanoi, Vietnam, pp. 1-3, 2019. [link]
W. Lee, S. Song, H. Jeoung, D. Park and N. Kim. "A Speed Profile Optimization for Automated Electric Vehicles Based on Dynamic Programming," In 2019 Electric Vehicle Symposium 32 (EVS 32)
W. Lee, H. Jeoung, D. Park, and N. Kim, "An Adaptive Energy Management Strategy for Extended-Range Electric Vehicles Based on Pontryagin's Minimum Principle," In 2018 IEEE Vehicle Power and Propulsion Conference (VPPC), pp. 1-4, 2018. [link]