Sijia Geng — PENSA

Recent Publications

Under Review/Preparation

Journal Publications

• Anderson, E., Ferris, M., Philpott, A., Anitescu, M, Cramton, P., Geng, S., Green, R., et al. (2025). Ten challenges for mathematical modeling of the energy transition. Current Sustainable/Renewable Energy Reports.
  

• Chatterjee, S., and Geng, S., (2025). Effects of line dynamics on Hopf and saddle-node bifurcations in grid-forming inverters. Sustainable Energy, Grids and Networks (SEGAN) and the 12th Bulk Power System Dynamics and Control Symposium (IREP).
  

• Geng, S., Lee, T., Mallapragada, D., and Botterud, A., (2024). An integer clustering approach for optimizing EV fleets and energy infrastructure. Electric Power Systems Research and the 23rd Power Systems Computation Conference (PSCC).

• Geng, S., Wolter, F., and Wu, D., (2024). Approximating voltage stability boundary under high variability of renewables using differential geometry. Electric Power Systems Research and the 23rd Power Systems Computation Conference (PSCC).
• Bai, H., Lei, S., Geng, S., Hu, X., Li, Z., and Song, Z., (2024). Techno-economic assessment of isolated micro-grids with second-life batteries: A reliability-oriented iterative design framework. Applied Energy.

• Geng, S., and Hiskens, I. A. (2022). Unified grid-forming/following inverter control. IEEE Open Access Journal of Power and Energy. 

• Geng, S., and Hiskens, I. A. (2021). Convergence of distributed Steinmetz control for phase balancing of distribution networks. IEEE Transactions on Power Systems.

• 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.

• 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.

• 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)

• 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.

• 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

• Geng, S., and Chatterjee, S., (2025). Unified Control Scheme for Optimal Allocation of GFM and GFL Inverters in Power Networks. Accepted by the 64th IEEE Conference on Decision and Control (CDC).
• Chatterjee, S., and Geng, S., (2025). Voltage Stability of Inverter-Based Systems: Impact of Parameters and Irrelevance of Line Dynamics. In the 2025 IEEE PowerTech Conference (PowerTech 2025).
• Chatterjee, S., and Geng, S., (2024). Sensitivity to Hopf bifurcation in grid-following inverters using normal vector methods. In the 60th Annual Allerton Conference on Communication, Control, and Computing (Allerton).
• Siahaan, Z., Mallada, E., and Geng, S., (2024). Decentralized stability criteria for grid-forming control in inverter-based power systems. In the 2024 IEEE Power & Energy Society General Meeting.
  

• 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. 

• 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.

• 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.

• 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.

• 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

• 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). 

• 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).