Publications

Journal Articles

  • G. Zulauf, J. Roig, J. Plummer, and J. Davila, "Coss Measurements for Superjunction MOSFETs: Limitations and Opportunities," IEEE Trans. Electron Devices, in press. [Paper (3MB)]
  • W. Liang, C. Charles, L. Raymond, A. Stuchbery, K. Surakitbovorn, L. Gu, R. Boswell, and J. Rivas, "An Integrated RF Power Delivery and Plasma Micro-Thruster System for Nano-Satellites," Frontiers in Physics, Oct. 2018. [Paper (online)]
  • G. Zulauf, Z. Tong, J. Plummer, and J. Rivas, "Active Power Device Selection in HF and VHF Power Converters," IEEE Trans. Power Electronics, in press. [Paper (6MB)]
  • J. Choi, J. Xu, R. Makhoul, and J. Rivas, "Implementing an Impedance Compression Network to Compensate for Misalignments in a Wireless Power Transfer System," IEEE Trans. Power Electronics, in press.
  • S. Park and J. Rivas, "Duty Cycle and Frequency Modulations in Class-E DC-DC Converters for Wide Input and Output Voltage Ranges," IEEE Trans. Power Electronics, pp. 10524-10538, Dec. 2018. [Paper (8MB)]
  • G. Zulauf, S. Park, W. Liang, K. Surakitbovorn, and J. Rivas, "Coss Losses in 600 V GaN Power Semiconductors in Soft-Switched, High- and Very-High-Frequency Power Converters," IEEE Trans. Power Electronics, pp. 10748-10763, Dec. 2018. [Paper (13MB)]
  • L. Gu, W. Liang, M. Praglin, S. Chakraborty, and J. Rivas, "A Wide-Input-Range High-Efficiency Step-down Power Factor Correction Converter Using Variable Frequency Multiplier Technique," IEEE Trans. Power Electronics, pp. 9399-9411, Nov. 2018.
  • J. Choi, D. Tsukiyama, Y. Tsuruda, and J. Rivas, "High-Frequency, High-Power Resonant Inverter with eGaN FET for Wireless Power Transfer," IEEE Trans. Power Electronics, pp. 1890-1896, Mar. 2018.
  • S. Park and J. Rivas, "Design of a Class-DE Rectifier with Shunt Inductance and Nonlinear Capacitance for High Voltage Conversion," IEEE Trans. Power Electronics, pp. 2282-2294, Mar. 2018. [Paper (15MB)]
  • C. Charles, W. Liang, L. Raymond, J. Rivas, and R. Boswell, "Vacuum Testing of a Miniaturised Switch Mode Amplifier Powering an Electrothermal Plasma Micro-Thruster," Frontiers in Physics, Aug. 2017. [Paper (online)]
  • W. Liang, L. Raymond, M. Praglin, D. Biggs, F. Righetti, M. Cappelli, B. Holman, and J. Rivas, "Low Mass RF Power Inverter for CubeSat Applications Using 3D Printed Inductors," IEEE J. Emerging and Selected Topics in Power Electronics, pp. 880-890, Jun. 2017.
  • W. Liang, L. Raymond, and J. Rivas, "3-D-Printed Air-Core Inductors for High-Frequency Power Converters," IEEE Trans. Power Electronics, pp. 52-64, Jan. 2016. [Paper (8MB)]
  • W. Liang, J. Glaser, and J. Rivas, "13.56 MHz High Density DC-DC Converter with PCB Inductors," IEEE Trans. Power Electronics, pp. 4291-4301, Aug. 2015.

Conference Proceedings

  • J. Zhuang, G. Zulauf, and J. Rivas, "Substrate Bias Effect on E-Mode GaN-on-Si HEMT Coss Losses," in Wide Bandgap Power Devices and App. (WiPDA), pp. 130-133, Oct. 2018.
  • J. Choi, Y. Ooue, N. Furukawa, and J. Rivas, "Designing a 40.68 MHz Power-Combining Resonant Inverter with eGaN FETs for Plasma Generation," in Energy Conversion Congress and Expo. (ECCE), Oct. 2018.
  • L. Gu, K. Surakitbovorn, G. Zulauf, S. Chakraborty, and J. Rivas, "High-Frequency Bidirectional Resonant Converter for High Conversion Ratio and Variable Load Operation," in Control and Modeling for Power Electronics (COMPEL), Jun. 2018.
  • J. Xu, L. Gu, and J. Rivas, "Effect of Class 2 Ceramic Capacitance Variations on Switched Capacitor and Resonant Switched Capacitor Converters," in Control and Modeling for Power Electronics (COMPEL), Jun. 2018.
  • Y. Li, L. Gu, A. Hariya, Y. Ishizuka, J. Rivas, and S. Sanders, "A Wide Input Range Isolated Stacked Resonant Switched-Capacitor DC-DC Converter for High Conversion Ratios," in Control and Modeling for Power Electronics (COMPEL), Jun. 2018.
  • Z. Tong, G. Zulauf, and J. Rivas, "A Study on Off-State Losses in Silicon-Carbide Schottky Diodes," in Control and Modeling for Power Electronics (COMPEL), Jun. 2018.
  • J. Choi, J. Xu, R. Makhoul, and J. Rivas, "Design of a 13.56 MHz DC-to-DC Resonant Converter using an Impedance Compression Network to Mitigate Misalignments in a Wireless Power Transfer System," in Control and Modeling for Power Electronics (COMPEL), Jun. 2018.
  • K. Surakitbovorn and J. Rivas, "Design of a GaN-Based, Inductor-less, Wireless Power Transfer System at 40.68 MHz," in Control and Modeling for Power Electronics (COMPEL), Jun. 2018.
  • S. Park, G. Zulauf, and J. Rivas, "Estimating the Reliability of Series-Connected Schottky Diodes for High-Frequency Rectification," in Control and Modeling for Power Electronics (COMPEL), Jun. 2018.
  • G. Zulauf, Z. Tong, and J. Rivas, "Considerations for Active Power Device Selection in High Frequency and Very High Frequency Power Converters," in Control and Modeling for Power Electronics (COMPEL), Jun. 2018.
  • G. Zulauf and J. Rivas, "Coss losses in silicon superjunction MOSFETs across constructions and generations," in Int'l Symp. Power Semiconductor Devices and ICs (ISPSD), May 2018.
  • L. Gu, K. Surakitbovorn, and J. Rivas, "High-Frequency Resonant Converter with Synchronous Rectification for High Conversion Ratio and Variable Load Operation," in Int'l Power Electronics Conf. (IPEC - ECCE Asia), May 2018.
  • K. Surakitbovorn and J. Rivas, "Design of a GaN-Based Wireless Power Transfer System at 13.56 MHz to Replace Conventional Wired Connection in a Vehicle," in Int'l Power Electronics Conf. (IPEC - ECCE Asia), May 2018.
  • S. Park and J. Rivas, "FPGA-based Dynamic Duty Cycle and Frequency Controller for a Class-E2 DC-DC Converter," in Int'l Power Electronics Conf. (IPEC - ECCE Asia), May 2018. [Slides (5MB)]
  • S. Park*, L. Gu*, and J. Rivas, "60 V-to-35 kV Input-Parallel Output-Series DC-DC Converter Using Multi-Level Class-DE Rectifiers," in App. Power Electronics Conf. and Expo. (APEC), Mar. 2018. [Poster (2MB)] *Equal contribution.
  • G. Zulauf, W. Liang, K. Surakitbovorn, and J. Rivas, "Output Capacitance Losses in 600 V GaN Power Semiconductors with Large Voltage Swings at High- and Very-High-Frequencies," in Wide Bandgap Power Devices and App. (WiPDA), Oct. 2017.
  • L. Gu, W. Liang, and J. Rivas, "Design of Very-High-Frequency Synchronous Resonant DC-DC Converter for Variable Load Operation," in Energy Conversion Congress and Expo. (ECCE), Oct. 2017.
  • S. Talukder, S. Park, and J. Rivas, "A Portable Electrostatic Precipitator to Reduce Respiratory Death in Rural Environments," in Control and Modeling for Power Electronics (COMPEL), Jul. 2017. [Paper (2MB)]
  • G. Zulauf, W. Liang, and J. Rivas, "A Unified Model for High-Power, Air-Core Toroidal PCB Inductors," in Control and Modeling for Power Electronics (COMPEL), Jul. 2017. [Paper (3MB)]
  • S. Park and J. Rivas, "Isolated Resonant DC-DC Converters with a Loosely Coupled Transformer," in Control and Modeling for Power Electronics (COMPEL), Jul. 2017. [Paper (4MB)] [Poster (3MB)]
  • K. Surakitbovorn and J. Rivas, "Evaluation of GaN Transistor Losses at MHz Frequencies in Soft Switching Converters," in Control and Modeling for Power Electronics (COMPEL), Jul. 2017.
  • J. Choi and J. Rivas, "Implementing an Impedance Compression Network to Correct Misalignment in a Wireless Power Transfer System," in Control and Modeling for Power Electronics (COMPEL), Jul. 2017.
  • W. Liang, X. Cui, L. Raymond, L. Gu, C. Charles, R. Boswell, and J. Rivas, "A Compact RF Power Inverter with Reduced EMI for a CubeSat Electrothermal Micro-Thruster," in Control and Modeling for Power Electronics (COMPEL), Jul. 2017.
  • L. Gu, W. Liang, and J. Rivas, "A Multi-resonant Gate Driver for Very-High-Frequency (VHF) Resonant Converters," in Control and Modeling for Power Electronics (COMPEL), Jul. 2017.
  • A. Goldin, R. Rajagopal, C. Rivetta, and J. Rivas, "The "Smart Dim Fuse": A New Approach to Load Control as a Distributed Energy Resource," in Control and Modeling for Power Electronics (COMPEL), Jul. 2017.
  • S. Park and J. Rivas, "Power Loss of GaN Transistor Reverse Diodes in a High Frequency High Voltage Resonant Rectifier," in App. Power Electronics Conf. and Expo. (APEC), pp. 1942-1945, Mar. 2017. [Paper (4MB)] [Slides (8MB)]
  • W. Liang, L. Raymond, J. Rivas, C. Charles, and R. Boswell, "Structurally Supportive RF Power Inverter for a CubeSat Electrothermal Plasma Micro-Thruster with PCB Inductors," in App. Power Electronics Conf. and Expo. (APEC), pp. 2141-2145, Mar. 2017.
  • L. Gu, W. Liang, M. Praglin, S. Chakraborty, and J. Rivas, "Universal Line Input Power Factor Preregulator Using VFX Technique," in App. Power Electronics Conf. and Expo. (APEC), pp. 1810-1815, Mar. 2017.
  • J. Choi, D. Tsukiyama, and J. Rivas, "Comparison of SiC and eGaN Devices in a 6.78 MHz 2.2 kW Resonant Inverter for Wireless Power Transfer," in Energy Conversion Congress and Expo. (ECCE), Sep. 2016.
  • M. Praglin, L. Raymond and J. Rivas, "Inductance Cancellation in RF Resonant Power Converters," in Energy Conversion Congress and Expo. (ECCE), Sep. 2016.
  • J. Choi, D. Tsukiyama, and J. Rivas, "Evaluation of a 900 V SiC MOSFET in a 13.56 MHz 2 kW Resonant Inverter for Wireless Power Transfer," in Control and Modeling for Power Electronics (COMPEL), Jun. 2016.
  • W. Liang, L. Raymond, M. Praglin, D. Biggs, F. Righetti, M. Cappelli, B. Holman, and J. Rivas, "Low Mass RF Power Inverter for Cubesat Plasma Thruster Using 3D Printed Inductors," in Control and Modeling for Power Electronics (COMPEL), Jun. 2016.
  • L. Raymond, W. Liang, K. Surakitbovorn, and J. Rivas, "Resonant Bi-polar DC Pulse Power Supply for Electroporation Applications," in Control and Modeling for Power Electronics (COMPEL), Jun. 2016. [Poster (2MB)]
  • S. Park and J. Rivas, "A Design Methodology for Class-D Resonant Rectifier with Parallel LC Tank," in Control and Modeling for Power Electronics (COMPEL), Jun. 2016. [Paper (3MB)] [Poster (2MB)]
  • L. Raymond, W. Liang, K. Surakitbovorn, and J. Rivas, "27.12 MHz Isolated High Voltage Gain Multi-Level Resonant DC-DC Converter," in Energy Conversion Congress and Expo. (ECCE), pp. 5074-5080, Sep. 2015.
  • W. Liang, L. Raymond, L. Gu, and J. Rivas, "27.12 MHz GaN Resonant Power Converter with PCB Embedded Resonant Air Core Inductors and Capacitors," in Energy Conversion Congress and Expo. (ECCE), pp. 4251-4256, Sep. 2015.
  • L. Raymond, W. Liang, L. Gu, and J. Rivas, "13.56 MHz High Voltage Multi-Level Resonant DC-DC Converter," in Control and Modeling for Power Electronics (COMPEL), Jul. 2015.
  • L. Gu, W. Liang, L. Raymond, and J. Rivas, "27.12 MHz GaN Bi-Directional Resonant Power Converter," in Control and Modeling for Power Electronics (COMPEL), Jul. 2015. [Poster (2MB)]
  • J. Choi, D. Tsukiyama, Y. Tsuruda, and J. Rivas, "13.56 MHz 1.3 kW Resonant Converter with GaN FET for Wireless Power Transfer," in Wireless Power Transfer Conf., May 2015.
  • W. Liang, L. Raymond, and J. Rivas, "3D Printed Air Core Inductors for High Frequency Power Converters," in Energy Conversion Congress and Expo. (ECCE), pp. 971-979, Sep. 2014. [Poster (6MB)]
  • L. Raymond, W. Liang, and J. Rivas, "Performance Evaluation of Diodes in 27.12 MHz Class-D Resonant Rectifiers Under High Voltage and High Slew Rate Conditions," in Control and Modeling for Power Electronics (COMPEL), Jun. 2014. [Poster (0.7MB)]
  • J. Choi, W. Liang, L. Raymond, and J. Rivas, "A High-Frequency Resonant Converter Based on the Class Φ2 Inverter for Wireless Power Transfer," in Vehicular Tech. Conf., May 2014.
  • L. Raymond, W. Liang, J. Choi, and J. Rivas, "27.12 MHz Large Voltage Gain Resonant Converter with Low Voltage Stress," in Energy Conversion Congress and Expo. (ECCE), pp. 1814-1821, Sep. 2013.
  • W. Liang, J. Glaser, and J. Rivas, "13.56 MHz High Density DC-DC Converter with PCB Inductors," in App. Power Electronics Conf. and Expo. (APEC), pp. 633-640, Mar. 2013.

Patents

  • Satish Prabhakaran, John Stanley Glaser, Ljubisa Dragoljub Stevanovic, Juan Manuel Rivas Davila. "United States Patent US 8567046 B2 Methods for making magnetic components", General Electric Company, Oct 29, 2013
  • Rixin Lai, Luis Jose Garces, Juan Antonio Sabate, Juan Manuel Rivas Davila, Song Chi, Wesley Michael Skeffington,. "United States Patent US 8502539 B2 Gradient amplifier system", General Electric Company, Jul 31, 2013
  • Mehmet Arik, Tunc Icoz, Juan Manuel Rivas Davila, Charles Erklin Seeley, Yogen Vishwas Utturkar, Stanton Earl Weaver, Jr.. "United States Patent US 8496049 B2 Heat sinks with distributed and integrated jet cooling", General Electric Company, Jul 30, 2013
  • John Stanley Glaser, Juan Manuel Rivas Davila. "United States Patent US 7924580 B2 Switching inverters and converters for power conversion", General Electric Company, Apr 12, 2011
  • David J. Perreault, Juan M. Rivas, Anthony D. Sagneri, Olivia Leitermann, Yehui Han, Robert C. N. Pilawa-Podgurski,. "United States Patent 7,889,519 B2 Methods and apparatus for a resonant converter", Massachusetts Institute Of Technology, Feb 15, 2011
  • David J. Perreault, Juan M. Rivas, Yehui Han, Olivia Leitermann. "United States Patent 7535133 B2 Methods and apparatus for resistance compression networks", Massachusetts Institute Of Technology, May 19, 2009