Andrew R Stillwell

For More Information

• Stillwell Power Group

Education

• Ph.D., Electrical and Computer Engineering, University of Illinois Urbana-Champaign, 2019
• M.S., Electrical and Computer Engineering, University of Illinois Urbana-Champaign, 2016
• B.S., Electrical Engineering, University of Missouri-Columbia, 2005
• B.S., Computer Engineering, University of Missouri-Columbia, 2005

Other Professional Employment

• Group Manager, National Instruments, Austin, TX, 2006-2013

Research Interests

• Power Electronics
• Alternative and Renewable Energy Systems
• Transportation Electrification
• Wide Bandgap Power Devices
• Design Optimization
• Power Converter Design Optimization
• Pulsed Power Design

Research Topics

• Electric transportation
• Solar and renewable technology
• Storage and conversion

Selected Articles in Journals

• Khodakarami, S., Agarwal, V., Kabirzadeh, P., Solecki, A., Hoque, M. J., Yang, W., Stokowski, N. , Jacobs, J., Chatterji, A., Lovelace, E., Stillwell, A., and Miljkovic, N. (September 30, 2024). "Aircraft Electrothermal Pulse Deicing." ASME. J. Heat Mass Transfer. January 2025; 147(1): 012401. https://doi.org/10.1115/1.4066396
• Mohammad Jalal Inanlu, Yashraj Gurumukhi, Pouya Kabirzadeh, Rishi Anand, Siavash Khodakarami, Vishal Viswanathan, Andrew Stillwell, Nenad Miljkovic, Capacitive sensing of frost growth dynamics on aluminum surfaces with different wettabilities, International Journal of Heat and Mass Transfer, Volume 225, 2024, 125377, ISSN 0017-9310, https://doi.org/10.1016/j.ijheatmasstransfer.2024.125377.
• M. E. Blackwell, A. Stillwell and R. C. N. Pilawa-Podgurski, "Dynamic Level Changing for Full Range ZVS in Flying Capacitor Multi-Level Converters," in IEEE Open Journal of Power Electronics, vol. 3, pp. 574-586, 2022, doi: 10.1109/OJPEL.2022.3200371.
• E. Candan, N. C. Brooks, A. Stillwell, R. A. Abramson, J. Strydom and R. C. N. Pilawa-Podgurski, "A Six-Level Flying Capacitor Multilevel Converter for Single-Phase Buck-Type Power Factor Correction," in IEEE Transactions on Power Electronics, vol. 37, no. 6, pp. 6335-6348, June 2022, doi: 10.1109/TPEL.2021.3122739.
• Hoque, M. J., Günay, A., Stillwell, A., Gurumukhi, Y., Pilawa-Podgurski, R. C. N., and Miljkovic, N. (February 22, 2021). "Modular Heat Sinks for Enhanced Thermal Management of Electronics." ASME. J. Electron. Packag. June 2021; 143(2): 020903.
• A. Stillwell, E. Candan and R. C. N. Pilawa-Podgurski, "Active Voltage Balancing in Flying Capacitor Multi-Level Converters With Valley Current Detection and Constant Effective Duty Cycle Control," in IEEE Transactions on Power Electronics, vol. 34, no. 11, pp. 11429-11441, Nov. 2019.
• A. Stillwell and R. C. N. Pilawa-Podgurski, “A 5-Level Flying Capacitor Multi- Level Converter with Integrated Auxiliary Power Supply and Start-Up,” in IEEE Transactions on Power Electronics, vol. 34, no. 3, pp. 2900-2913, March 2019.
• Y. Lei, C. Barth, S. Qin, W. C. Liu, I. Moon, A. Stillwell, D. Chou, T. Foulkes, Z. Ye, Z. Liao, and R. C. N. Pilawa-Podgurski, “A 2-kW Single-Phase Seven-Level Flying Capacitor Multilevel Inverter With an Active Energy Buffer,” in IEEE Transactions on Power Electronics, vol. 32, no. 11, pp. 8570-8581, Nov. 2017.

Articles in Conference Proceedings

• N. Stokowski et al., "An 8-Level Flying Capacitor Multilevel Converter for Electric Aircraft Pulse Deicing," 2025 IEEE Applied Power Electronics Conference and Exposition (APEC), Atlanta, GA, USA, 2025, pp. 1242-1247, doi: 10.1109/APEC48143.2025.10977181.
• A. Bose, A. Bali, K. Haran and A. Stillwell, "A Generalized Multilevel Inverter & Slotless Permanent Magnet Motor-Drive Co-Design Framework," 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Phoenix, AZ, USA, 2024, pp. 6212-6219, doi: 10.1109/ECCE55643.2024.10861656.
• H. Qiu, P. Kabirzadeh, V. S. Garimella, A. Bali, K. Gurusami, K. J. Lee, A. Stillwell, T. Salamon, N. Miljkovic, "Single-Phase and Two-Phase Liquid Immersion Cooling of Data Center Power Supply Units for Heat Capture," 2024 23rd IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), Aurora, CO, USA, 2024, pp. 1-8, doi: 10.1109/ITherm55375.2024.10709424.
• W. Vavrik, A. K. Delmar and A. Stillwell, "Control and Modeling of Current-Sourced Hybrid Switched-Capacitor Converters with Dynamic Loads," 2024 IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Lahore, Pakistan, 2024, pp. 1-7, doi: 10.1109/COMPEL57542.2024.10613950.
• A. Solecki, S. Khodakarami, P. Kabirzadeh, M.J. Hoque, W. Yang, N. Stokowski ,J. Jacobs, E. Lovelace, A. Stillwell, N. Miljkovic, "Design and Testing of an Efficient and Rapid Electro-Thermal Pulsed Interfacial De-Icing Framework for Electrified Aircraft," 2024 23rd IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), Aurora, CO, USA, 2024, pp. 1-7, doi: 10.1109/ITherm55375.2024.10709550.
• A. Bali, X. Zhang, A. Bose, K. S. Haran and A. Stillwell, "A 7-Level Interleaved Hybrid Active Neutral Point Clamped Converter for High-Frequency Low-Inductance Motors," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, 2024, pp. 561-566, doi: 10.1109/APEC48139.2024.10509087.
• A. K. Delmar and A. Stillwell, "Current-Sourced Hybrid Switched-Capacitor Converter for Data Center Power Delivery," 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, 2024, pp. 1357-1362, doi: 10.1109/APEC48139.2024.10509139.

Professional Societies

• Secretary, IEEE PELS TC1
• Member, IEEE

Teaching Honors

• ISEE Levenick Teaching Sustainability Fellow (2020-21)