Recent Publications
Under Review/Preparation
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Geng, S., Lee, T., Mallapragada, D., and Botterud, A. (2023). An integer clustering approach for modeling large-scale EV fleets with guaranteed performance. Under review for the 23rd Power Systems Computation Conference (PSCC). Preprint: https://arxiv.org/abs/2310.02208.
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Wu, D., Wolter, F., and Geng, S. (2023). Approximating voltage stability boundary under high variability of renewables using differential geometry. Under review for the 23rd Power Systems Computation Conference (PSCC). Preprint: https://arxiv.org/abs/2310.01911.
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Geng, S., Lee, T., Mallapragada, D., and Botterud, A. (2023). Co-planning of energy distribution infrastructure for EV fast-charging and hydrogen stations. Under preparation.
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Bai, H., Lei, S., Geng, S., Hu, X., Li, Z., and Song, Z. (2022). Optimal design and economic assessment of a renewable energy hub with second-life batteries. Under review for Applied Energy.
Journal Publications
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Geng, S., and Hiskens, I. A. (2022). Unified grid-forming/following inverter control. IEEE Open Access Journal of Power and Energy.
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Geng, S., and Hiskens, I. A. (2021). Convergence of distributed Steinmetz control for phase balancing of distribution networks. IEEE Transactions on Power Systems.
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Li, N., Geng, S., Kolmanovsky, I., & Girard, A. (2021). An explicit reference governor for linear sampled-data systems with disturbance inputs and uncertain time delays. IEEE Transactions on Automatic Control.
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Geng, S., Vrakopoulou, M., and Hiskens, I. A. (2020). Optimal capacity design and operation of energy hub systems. Proceedings of the IEEE, 108(9), 1475-1495.
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Geng, S., Vrakopoulou, M., and Hiskens, I. A. (2020). Chance-constrained optimal capacity design for a renewable-only islanded microgrid. Electric Power Systems Research, 189, 106564. (PSCC 2020)
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Geng, S., and Hiskens, I. A. (2019). Second-order trajectory sensitivity analysis of hybrid systems. IEEE Transactions on Circuits and Systems I: Regular Papers, 66(5), 1922-1934.
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Liu, J., Gao, Y., Geng, S., & Wu, L. (2016). Nonlinear control of variable speed wind turbines via fuzzy techniques. IEEE Access, 5, 27-34.
Conference Proceedings
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Geng, S., and Hiskens, I. A. (2022). Dynamic performance of unified grid-forming/following inverter control. In 58th Annual Allerton Conference on Communication, Control, and Computing.
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Geng, S., and Hiskens, I. A. (2020). Reach-set estimation for DAE system under uncertainty and disturbance using trajectory sensitivity and logarithmic norm. In 21st IFAC World Congress, IFAC.
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Kundu, S., Geng, S., Nandanoori, S. P., Kalsi, K., and Hiskens, I. A. (2019). Distributed barrier certificates for safe operation of inverter-based microgrids. In American Control Conference (ACC), pp. 1042-1047. IEEE.
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Geng, S., and Hiskens, I. A. (2018). Jump conditions for second-order trajectory sensitivities at events. In International Symposium on Circuits and Systems (ISCAS), pp. 1-5. IEEE.
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Geng, S., Zhao, Y., Sun, S., Wu, X., Zheng, Y., and Liu, J. (2016). Sliding mode control of LLC resonant DC-DC converters. In 25th International Symposium on Industrial Electronics (ISIE), pp. 1034-1037. IEEE.
Technical Reports
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Geng, S., Lee, T., Mallapragada, D., and Botterud, A. (2023). Optimal energy distribution infrastructure for EV fast-charging and hydrogen fueling. Published by MIT Energy Initiative, Future Energy Systems Center, Cambridge, MA (United States).
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Molzahn, D., et al., Geng, S. (2021). Mitigating phase unbalance for distribution systems with high penetrations of solar PV. Published by Argonne National Lab (ANL), Argonne, IL (United States).