Publications
Thesis and Dissertation
X. Cui, "Control, Modeling, and Design Towards Higher Performance Energy Systems", Ph.D. Dissertation, University of Michigan, Ann Arbor, August 2022.
Journal Articles
X. Cui and A. T. Avestruz, “Overcoming High-Frequency Limitations of Current-Mode Control Using a Control Conditioning Approach -- Part I: Modeling and Analysis”
X. Cui and A. T. Avestruz, “Overcoming High-Frequency Limitations of Current-Mode Control Using a Control Conditioning Approach -- Part II: Implementation and Hardware”
X. Cui and A.-T. Avestruz. “Large-Signal Stability Guarantees for Cycle-by-Cycle Controlled DC-DC Converters.” IEEE Control Systems Letters, 2022
X. Cui and A. T. Avestruz, “Fast-Response Variable Frequency DC-DC Converters Using Switching Cycle Event-Driven Digital Control,” IEEE Transactions on Power Electronics，2022
J. Wang, X. Wu, Z. Liu, X. Cui, Z. Song. “Modified SEPIC DC-DC Converter with Wide Step-up/Step-down Range for Fuel Cell Vehicles.” IEEE Transactions on Power Electronics, 2022
Z. Song, S. Nazir, X. Cui, I. Hiskens and H. Hofmann. “Benefit Assessment of Second-life Electric Vehicle Batteries in Distributed Power Grid Applications.” Journal of Energy Storage, 2022
X. Cui, A. Ramyar, J. Siegel, P. Mohtat, A. Stefanopoulou, and A. T. Avestruz, “Optimizing Partial Power Processing for Second-Use Battery Energy Storage Systems,” IEEE Access, 2021.
F. Chang, X. Cui, M. Wang, and W. Su. “Potential-Based Large-Signal Stability Analysis in DC Power Grids with Multiple Constant Power Loads.” IEEE Open Access Journal of Power and Energy, 2021
X. Cui, A. Ramyar, J. Siegel, P. Mohtat, A. Stefanopoulou, and A. T. Avestruz, “Comparing Power Processing System Approaches in Second-Use Battery Energy Buffering for EV Charging,” Journal of Energy Storage, 2021.
F. Chang, X. Cui, M. Wang, and W. Su, “Region of Attraction Estimation for DC Microgrids with Constant Power Loads Using Potential Theory,” IEEE Transactions on Smart Grid, 2021.
S. Y. Chu, X. Cui, X. Zan, and A. T. Avestruz, “Transfer-Power Measurement Using a Non-Contact Method for Fair and Accurate Metering of Wireless Power Transfer in Electric Vehicles,” IEEE Transactions on Power Electronics, 2021
F. Chang, X. Cui, M. Wang, W. Su, and A. Q. Huang, “Large-Signal Stability Criteria in DC Power Grids with Distributed-Controlled Converters and Constant Power Loads,” in IEEE Transactions on Smart Grid, doi: 10.1109/TSG.2020.2998041
Conference Papers
S. Dong, X. Fang, J. Tan, X. Cui, A. Hoke. “A Unified Analytical Method to Quantify Three Types of Fast Frequency Response from Inverter-based Resources.” 22nd Wind & Solar Integration Workshop, 2023. [Oral Presentation]
Y. Lou, A. Ramyar, X. Cui, J. Siegel, A. Stefanopoulou, and A.-T. Avestruz. “A Robust System Monitoring and Control for Power Conversion in Battery Energy Storage Systems.” 2023 IEEE Transportation Electrification Conference & Expo, 2023.[Oral Presentation]
X. Cui, Shuan Dong, Andy Hoke, and J. Tan, “Unified Metrics for Fast Frequency Response in Low-Inertia Power System,” The fourteenth Conference on Innovative Smart Grid Technologies, North America (ISGT NA 2023).
X. Cui, V. Contreras, W. Xu, and A.-T. Avestruz. “Switching-Synchronized Sampled-State Space for High-Speed Digital Control of a Variable Frequency Multiphase Buck Converter.” IEEE 23rd Workshop on Control and Modeling for Power Electronics (COMPEL), 2022.
A. Ramyar, W. Xu, X. Cui, J. Siegel, A. Stefanopoulou and A.-T. Avestruz. “Lite-Sparse Hierarchical Partial Power Processing for Heterogeneous Degradation of Batteries in Energy Storage Systems.” 2022 IEEE Energy Conversion Congress & Exposition (ECCE), 2022. [Oral Presentation]
X. Cui, A. Ramyar, V. Contreras, G. Judge, J. Siegel, A. Stefanopoulou, and A. T. Avestruz, “Lite-Sparse Hierarchical Partial Power Processing for Parallel Batteries in Heterogeneous Energy Storage Systems,” IEEE 22nd Workshop on Control and Modeling for Power Electronics (COMPEL). [Oral Presentation]
X. Cui, C. Deng, and A. T. Avestruz, “A Fast Response DC-DC Converter with Programmable Ripple for Combined Distributed Computation and Communication,” 2021 IEEE Applied Power Electronics Conference (APEC), Arizona, USA, 2021.
X. Cui, C. Keller, and A. T. Avestruz, “A 5MHz High-Speed Saturating Inductor DC-DC Converter Using Cycle-by-Cycle Digital Control,” 2019 IEEE 20th Workshop on Control and Modeling for Power Electronics (COMPEL), Toronto, Canada, 2019.
A. Ramyar, X. Cui, and A. T. Avestruz, “Two-Port UpDown DC-DC Converter for Two-Dimensional Maximum Power Point Tracking of Differential Diffusion Charge Redistribution Solar Panel,” 2019 IEEE 20th Workshop on Control and Modeling for Power Electronics (COMPEL)/, Toronto, Canada, 2019. [Oral Presentation]
X. Cui, C. Keller, and A. T. Avestruz, “Cycle-by-Cycle Digital Control of a Multi-Megahertz Variable-Frequency Boost Converter for Automatic Power Control of LiDAR,” 2019 IEEE Energy Conversion Congress & Exposition (ECCE), Baltimore, USA, 2019. [Oral Presentation]
X. Cui and A. T. Avestruz, “Switching-Synchronized Sampled-State Space Modeling and Digital Controller for a Constant Off-Time, Current-Mode Boost Converter,” 2019 American Control Conference (ACC), Philadelphia, USA, 2019. [Oral Presentation]
L. Yang, X. Cui, et al., “Correct-by-Construction Control Synthesis for Buck Converters with Event-Triggered State Measurement,” 2019 American Control Conference (ACC), Philadelphia, USA, 2019. [Oral Presentation]
X. Cui and A. T. Avestruz, “A New Framework for Cycle-by-Cycle Digital Control of Megahertz-Range Variable Frequency Buck Converters,” 2018 IEEE 19th Workshop on Control and Modeling for Power Electronics (COMPEL), Padova, Italy, 2018.
S. Y. Chu, X. Cui, and A. T. Avestruz, “Accurate Transfer-Power Measurement for Wireless Charging of Electric Vehicles Under Misalignment,” 2018 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (Wow), Montréal, QC, Canada, 2018, pp. 1-6. [Oral Presentation]
A. Sarin, X. Cui, and A. T. Avestruz, “Comparison of switched receivers for direct-sequence spread-spectrum wireless power transfer,” 2017 IEEE 18th Workshop on Control and Modeling for Power Electronics (COMPEL), Stanford, CA, 2017, pp. 1-8.
W. Liang, X. Cui, et al., “A compact RF power inverter with reduced EMI for a CubeSat electro thermal micro-thruster,” 2017 IEEE 18th Workshop on Control and Modeling for Power Electronics (COMPEL), Stanford, CA, 2017, pp. 1-6.
Patents
“Power Processing and Energy Storage”, No.63/090,199 (US), utility patent 2021. [Published]
“Cycle-by-Cycle Digital Control of DC-DC Converters”, No.17/348,705 (US), utility patent 2021. [Published]
“Current Conditioning”, No.63/270,911 (US), utility patent 2022. [Published]
Optical Measuring System Used for Measuring Field Intensity of Direct-Current Electric Field, ZL201410830714, granted Apr. 2017. [Issued]