Peer-reviewed journal articles and conference publications authored or co-authored by Prof. Andrew Stillwell.
This page is maintained manually and presented in reverse chronological order. It includes the complete publication record we could verify from Andrew Stillwell’s current Illinois ECE profile, Illinois Experts, the group’s historical bibliography, and older indexed work.
Journal Publications
2026
[J.17] A. K. Delmar and A. Stillwell, “A Current-Sourced Switched-Capacitor Converter (i-SCC) for Integrated Power Conversion With Discrete Inductors and Reduced Package Current,” IEEE Open Journal of Power Electronics, 2026. doi: 10.1109/OJPEL.2026.3724521.
[J.16] N. Stokowski, A. Freeman, A. Rodgers, A. Delmar, J. Sengstock, A. Solecki, and A. Stillwell, “Design and Validation of an 8-Level Flying Capacitor Multilevel Converter for Electric Aircraft Pulse Deicing,” IEEE Transactions on Transportation Electrification, 2026. doi: 10.1109/TTE.2026.3705992.
[J.15] S. Aflatounian, S. Subramaniyan, K. Luo, S. Dewanjee, V. Ganesan, O. R. Gittus, E. A. Müller, G. Prentice, M. J. Payne, A. Stillwell, P. V. Braun, and N. Miljkovic, “Comparative Evaluation of Dielectric Liquids for Single-Phase Immersion Cooling of Electronics,” International Journal of Heat and Mass Transfer, vol. 265, 128765, 2026. doi: 10.1016/j.ijheatmasstransfer.2026.128765.
[J.14] A. Bali, X. Zhang, A. Bose, K. S. Haran, and A. Stillwell, “Analysis and Design of a Multilevel Interleaved Hybrid Active Neutral Point Clamped Inverter for Electric Aircraft Propulsion,” IEEE Open Journal of Power Electronics, vol. 7, pp. 209–225, 2026. doi: 10.1109/OJPEL.2025.3644673.
2025
[J.13] S. Khodakarami, V. Agarwal, P. Kabirzadeh, A. Solecki, M. J. Hoque, W. Yang, N. Stokowski, J. Jacobs, A. Chatterji, E. Lovelace, A. Stillwell, and N. Miljkovic, “Aircraft Electrothermal Pulse Deicing,” ASME Journal of Heat and Mass Transfer, vol. 147, no. 1, 012401, 2025. doi: 10.1115/1.4066396.
2024
[J.12] M. J. Inanlu, Y. Gurumukhi, P. Kabirzadeh, R. Anand, S. Khodakarami, V. Viswanathan, A. Stillwell, and N. Miljkovic, “Capacitive Sensing of Frost Growth Dynamics on Aluminum Surfaces with Different Wettabilities,” International Journal of Heat and Mass Transfer, vol. 225, 125377, 2024. doi: 10.1016/j.ijheatmasstransfer.2024.125377.
2022
[J.11] M. E. Blackwell, A. Stillwell, and R. C. N. Pilawa-Podgurski, “Dynamic Level Changing for Full Range ZVS in Flying Capacitor Multi-Level Converters,” IEEE Open Journal of Power Electronics, vol. 3, pp. 574–586, 2022. doi: 10.1109/OJPEL.2022.3200371.
[J.10] L. Li, S. Khodakarami, X. Yan, K. F. Rabbi, A. A. Gunay, A. Stillwell, and N. Miljkovic, “Enabling Renewable Energy Technologies in Harsh Climates with Ultra-Efficient Electro-Thermal Desnowing, Defrosting, and Deicing,” Advanced Functional Materials, vol. 32, no. 31, 2022. doi: 10.1002/adfm.202201521.
[J.9] 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,” IEEE Transactions on Power Electronics, vol. 37, no. 6, pp. 6335–6348, 2022. doi: 10.1109/TPEL.2021.3122739.
2021
[J.8] M. G. Taul, N. Pallo, A. Stillwell, and R. C. N. Pilawa-Podgurski, “Theoretical Analysis and Experimental Validation of Flying-Capacitor Multilevel Converters Under Short-Circuit Fault Conditions,” IEEE Transactions on Power Electronics, vol. 36, no. 11, pp. 12292–12308, 2021. doi: 10.1109/TPEL.2021.3075447.
[J.7] M. J. Hoque, A. Gunay, A. Stillwell, Y. Gurumukhi, R. C. N. Pilawa-Podgurski, and N. Miljkovic, “Modular Heat Sinks for Enhanced Thermal Management of Electronics,” Journal of Electronic Packaging, vol. 143, no. 2, 020903, 2021.
2020
[J.6] P. Birbarah, T. Gebrael, T. Foulkes, A. Stillwell, A. Moore, R. C. N. Pilawa-Podgurski, and N. Miljkovic, “Water Immersion Cooling of High Power Density Electronics,” International Journal of Heat and Mass Transfer, vol. 147, 118918, 2020. doi: 10.1016/j.ijheatmasstransfer.2019.118918.
[J.5] A. Stillwell and R. C. N. Pilawa-Podgurski, “A Resonant Switched-Capacitor Converter With GaN Transistors for High-Efficiency Power Delivery to Series-Stacked Processors,” IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 8, no. 3, pp. 3139–3150, 2020. doi: 10.1109/JESTPE.2019.2917658.
2019
[J.4] 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,” IEEE Transactions on Power Electronics, vol. 34, no. 11, pp. 11429–11441, 2019. doi: 10.1109/TPEL.2019.2899899.
[J.3] A. Stillwell and R. C. N. Pilawa-Podgurski, “A 5-Level Flying Capacitor Multi-Level Converter with Integrated Auxiliary Power Supply and Start-Up,” IEEE Transactions on Power Electronics, vol. 34, no. 3, pp. 2900–2913, 2019. doi: 10.1109/TPEL.2018.2843777.
2017
[J.2] 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,” IEEE Transactions on Power Electronics, vol. 32, no. 11, pp. 8570–8581, 2017. doi: 10.1109/TPEL.2017.2650140.
2004
[J.1] P. Kirawanich, N. S. Kranthi, R. Gunda, A. R. Stillwell, and N. E. Islam, “A Method to Characterize the Interactions of External Pulses and Multiconductor Lines in Electromagnetic Topology Based Simulations,” Journal of Applied Physics, vol. 96, no. 10, pp. 5892–5897, 2004. doi: 10.1063/1.1803104.
Conference Publications
2026
[C.24] A. Guicheteau, N. Stokowski, and A. Stillwell, “Modeling and Analysis of Switching Sequence Effects on Capacitor Voltage Balancing in Multi-Phase Switched-Capacitor Converters,” 2026 IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Cambridge, UK, 2026, pp. 1–8.
[C.23] A. Bali and A. Stillwell, “A Dual-FOC Active-Filter Motor-Drive Architecture for High-Frequency Low-Inductance Machines,” 2026 IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Cambridge, UK, 2026, pp. 1–8.
[C.22] A. Rodgers, A. K. Delmar, and A. Stillwell, “A Multilevel Input-Inductor Converter for Integrated Data Center Point-of-Load Conversion,” 2026 IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Cambridge, UK, 2026, pp. 1–7.
[C.21] A. K. Delmar, A. Rodgers, and A. Stillwell, “Asymmetric Inductor Design in Fully Soft-Charged Current-Sourced Switched Capacitor Converters,” 2026 IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Cambridge, UK, 2026, pp. 1–8.
[C.20] A. K. Delmar, M. Khatua, H. Krishnamurthy, and A. Stillwell, “Input-Inductor Cascaded Buck (I2CB) Converter for 48 V IBC Applications,” 2026 IEEE Applied Power Electronics Conference and Exposition (APEC), San Antonio, TX, USA, 2026, pp. 3368–3373. doi: 10.1109/APEC51134.2026.11516915.
2025
[C.19] N. Stokowski, A. Freeman, A. Rodgers, A. K. Delmar, J. Sengstock, A. Solecki, and A. Stillwell, “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.
2024
[C.18] 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.
[C.17] H. Qiu, P. Kabirzadeh, V. S. Garimella, A. Bali, K. Gurusami, K. J. Lee, A. Stillwell, T. Salamon, and N. Miljkovic, “Single-Phase and Two-Phase Liquid Immersion Cooling of Data Center Power Supply Units for Heat Capture,” 2024 IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), 2024, pp. 1–8. doi: 10.1109/ITherm55375.2024.10709424.
[C.16] 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.
[C.15] A. Solecki, S. Khodakarami, P. Kabirzadeh, M. J. Hoque, W. Yang, N. Stokowski, J. Jacobs, E. Lovelace, A. Stillwell, and N. Miljkovic, “Design and Testing of an Efficient and Rapid Electro-Thermal Pulsed Interfacial De-Icing Framework for Electrified Aircraft,” 2024 IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), 2024, pp. 1–7. doi: 10.1109/ITherm55375.2024.10709550.
[C.14] 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.
[C.13] 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.
2020
[C.12] N. Pallo, M. G. Taul, A. Stillwell, and R. C. N. Pilawa-Podgurski, “Short-Circuit Fault Ride-Through of Flying-Capacitor Multilevel Converters through Rapid Fault Detection and Idle-Mode Operation,” 2020 IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), 2020. doi: 10.1109/COMPEL49091.2020.9265743.
2019
[C.11] A. Stillwell and R. C. N. Pilawa-Podgurski, “Design Optimization of a 1500 V GaN-Based Solar Inverter Using Flying Capacitor Multi-Level Converter Stages,” 2019 IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, MD, USA, 2019, pp. 4605–4612. doi: 10.1109/ECCE.2019.8913007.
[C.10] E. Candan, A. Stillwell, N. C. Brooks, R. A. Abramson, J. Strydom, and R. C. N. Pilawa-Podgurski, “A 6-Level Flying Capacitor Multi-Level Converter for Single-Phase Buck-Type Power Factor Correction,” 2019 IEEE Applied Power Electronics Conference and Exposition (APEC), Anaheim, CA, USA, 2019, pp. 1180–1187. doi: 10.1109/APEC.2019.8722199.
2018
[C.9] A. Stillwell, E. Candan, and R. C. N. Pilawa-Podgurski, “Constant Effective Duty Cycle Control for Flying Capacitor Balancing in Flying Capacitor Multi-Level Converters,” 2018 IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Padua, Italy, 2018, pp. 1–8. doi: 10.1109/COMPEL.2018.8460000.
[C.8] M. E. Blackwell, A. Stillwell, and R. C. N. Pilawa-Podgurski, “Dynamic Level Selection for Full Range ZVS in Flying Capacitor Multi-Level Converters,” 2018 IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Padua, Italy, 2018, pp. 1–8. doi: 10.1109/COMPEL.2018.8460086.
[C.7] A. Stillwell, M. E. Blackwell, and R. C. N. Pilawa-Podgurski, “Design of a 1 kV Bidirectional DC-DC Converter with 650 V GaN Transistors,” 2018 IEEE Applied Power Electronics Conference and Exposition (APEC), San Antonio, TX, USA, 2018, pp. 1155–1162. doi: 10.1109/APEC.2018.8341162.
2017
[C.6] A. Stillwell and R. C. N. Pilawa-Podgurski, “A 5-Level Flying Capacitor Multi-Level Converter with Integrated Auxiliary Power Supply and Start-Up,” 2017 IEEE Applied Power Electronics Conference and Exposition (APEC), Tampa, FL, USA, 2017, pp. 2932–2938. doi: 10.1109/APEC.2017.7931113.
2016
[C.5] A. Stillwell, D. Heeger, C. Meyer, S. Bedair, and R. C. N. Pilawa-Podgurski, “An Interleaved 1-to-6 Step-Up Resonant Switched-Capacitor Converter Utilizing Split-Phase Control,” 2016 IEEE Energy Conversion Congress and Exposition (ECCE), Milwaukee, WI, USA, 2016, pp. 1–8. doi: 10.1109/ECCE.2016.7854854.
[C.4] E. Candan, A. Stillwell, and R. C. N. Pilawa-Podgurski, “A Reliability Assessment of Series-Stacked Servers with Server-to-Bus Differential Power Processing,” 2016 IEEE International Telecommunications Energy Conference (INTELEC), Austin, TX, USA, 2016, pp. 1–7. doi: 10.1109/INTLEC.2016.7749094.
[C.3] A. Stillwell, Y. Lei, and R. C. N. Pilawa-Podgurski, “A Method to Extract Low-Voltage Auxiliary Power from a Flying Capacitor Multi-Level Converter,” 2016 IEEE Workshop on Control and Modeling for Power Electronics (COMPEL), Trondheim, Norway, 2016, pp. 1–8. doi: 10.1109/COMPEL.2016.7556747.
[C.2] 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, 7-Level GaN Inverter with an Active Energy Buffer Achieving 216 W/in³ Power Density and 97.6% Peak Efficiency,” 2016 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA, 2016, pp. 1512–1519. doi: 10.1109/APEC.2016.7468068.
2015
[C.1] A. Stillwell and R. C. N. Pilawa-Podgurski, “A Resonant Switched-Capacitor Converter with GaN Transistors for Series-Stacked Processors with 99.8% Power Delivery Efficiency,” 2015 IEEE Energy Conversion Congress and Exposition (ECCE), Montreal, QC, Canada, 2015, pp. 563–570. doi: 10.1109/ECCE.2015.7309739.
Accepted / Forthcoming
B. Wolhaupter, K. Haran, and A. Stillwell, “Design of a Cryogenic Power Isolator for Gate Drive Circuits,” accepted for presentation at the 2026 IEEE Energy Conversion Congress and Exposition (ECCE), October 2026.