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Professor Robert Pilawa-Podgurski's Research Group at UC Berkeley

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Awards

Rahul Iyer and Tahmid Mahbub Win Best Paper Award at IEEE INTELEC 2024

August 23, 2024 by Dennis Woo

Rahul K. Iyer, S. Tahmid Mahbub, and Robert C.N. Pilawa-Podgurski have won the Best Student Paper Award at the 2024 IEEE International Communications Energy Conference (INTELEC) for their paper “Quasi- Two-Level Switching for Active Balancing of Flying Capacitor Multilevel Converters Under Light-Load Conditions” (https://ieeexplore.ieee.org/document/10678933/)

Recent work in the Pilawa group has highlighted the design of “active-balancing” controllers to ensure the safe operation of high-performance Flying Capacitor Multilevel (FCML) converters during system transients. This work builds on broader efforts to study the converter dynamics and design stable high-bandwidth controllers. In particular, this work highlights techniques to ensure stable converter operation when the load current is small. Compared to prior work relying on Phase-Shifted Pulse-Width Modulation, the proposed switching scheme enables active balancing at average load currents approaching and equal to zero. The conference paper and oral presentation given at IEEE INTELEC 2024 highlight the proposed switching and control methods and showcase the practical implementation of the controller on industry-standard digital signal processor hardware.

They are continuing to work on additional characterization of the balancing controller at different operating conditions, and aim to apply the proposed technique to demonstrate safe startup of the converter at light-load conditions.

Submitted by Sarah Douglas on October 20, 2024

https://bpec.berkeley.edu/rahul-iyer-and-tahmid-mahbub-win-best-paper-award-at-ieee-intelec-2024/

Filed Under: Awards, Conferences

Prof. Robert Pilawa-Podgurski Receives 2024 Spark Award from Bakar Fellows Program

May 21, 2024 by Dennis Woo

Prof. Robert Pilawa-Podgurski has received the 2024 Spark Award from Bakar Fellows Program, with Dr. Yicheng Zhu as his Innovation Fellow. Their awarded research proposal, titled “Powering the AI Revolution: A New Voltage Regulator Enabling Direct 48-V-to-1-V Vertical Power Delivery for Next-Generation Ultra-High-Power Processors,” aims to make use of innovative tools and techniques designed in Prof. Pilawa’s lab to develop a hybrid switched-capacitor voltage regulation module for ultra-high-power processors that can achieve a 2x reduction in power conversion losses and a 4x reduction in physical size compared to state-of-the-art commercial products. This could reduce overall data center power usage by almost ten percent, benefiting both the environment and businesses.

The Bakar Fellows Program has been committed to expanding access to entrepreneurship since its inception in 2012, providing funding, resources, and mentorship to faculty, graduate students, and, most recently, undergraduates. This year marks the beginning of a new partnership with the Academic Innovation Catalyst (AIC), a new deep tech funding platform founded by Matt and Lisa Sonsini. Initially, AIC will join forces with the Bakar Fellows program to allocate grants to Berkeley faculty immersed in deep technology exploration, particularly in climate technology. Grant recipients will receive $300,000 over three years for market research, prototype development and other commercialization activities, in line with the standard Bakar Fellows award amount and duration. AIC envisions expanding this pilot initiative across UC Berkeley and beyond, fostering innovation on a broader scale within the academic community. The inaugural recipients of the AIC grants are Robert Pilawa-Podgurski, a UC Berkeley Electrical Engineering & Computer Sciences professor, and Zakaria Al Balushi, a UC Berkeley Materials Science and Engineering assistant professor.

Filed Under: Awards

Dr. Yicheng Zhu Receives Ross N. Tucker Memorial Award

April 26, 2024 by Dennis Woo

Post-doctoral scholar Dr. Yicheng Zhu has received a Ross N. Tucker Memorial Award for 2024.

The Tucker Award is given to recognize superior work and scholarship in the characterization, development and/or use of semiconductor, magnetic, optical or electronic materials by a graduate student or students pursuing such areas of inquiry. This award memorializes Dr. Ross N. Tucker, who contributed significantly to the advancement of the technology of materials used in semiconductor electronics. More details about this award can be found on the EECS Department website. Dr. Zhu’s thank you video can be viewed here. (edited) 

Filed Under: Awards

Ben Liao wins Best Presentation Award at 2024 IEEE PECI

April 19, 2024 by Robert Pilawa-Podgurski

EE researcher Ben Liao, working with Professor Robert Pilawa-Podgurski, has received the Best Presentation Award at the 2024 IEEE Power and Energy Conference at Illinois (PECI) – a student-directed power and energy conference held annually at the University of Illinois at Urbana-Champaign. The PECI Best Presentation Award is determined both by conference directors and input from attendees.

Ben received the Best Presentation Award for his work on designing and building a high-power, electronically-controlled, modular resistive load bank. The proposed design overcomes testing limitations in commercial solutions when characterizing state-of-the-art converters. The architecture can easily be extended and modified to suit various other applications where an electronically-controlled resistive load is desired. For more information, please consult the full paper, available at this link.

Ben Liao (left) accepts the Best Presentation Award at 2024 IEEE PECI from Conference Co-Directors Anubhav Bose (center) and Raya Mahony (right).

Filed Under: Awards

Berkeley EECS wins Best Presentation Awards at IEEE APEC

March 25, 2024 by Berkeley Engineering

EE grad student Logan Horowitz and post-doc Nathan Miles Ellis, advised by Professor Robert Pilawa-Podgurski, have received awards for outstanding technical presentations at the IEEE Applied Power Electronics Conference (APEC)–the flagship conference in power electronics. 

Logan received a Best Presentation award for his work on a 14-level  Flying-Capacitor-Multilevel inverter for electric vehicles, and Nathan for his work on a 48V-to-1V point-of-load (PoL) converter for aerospace telecommunications and computing applications. Both works demonstrated performance greatly exceeding state-of-the-art capabilities in energy conversion.

The APEC Best Presentation Awards are scored using several criteria, including quality of slides, presentation, and how well the presenter responds to questions. The award is considered a significant professional achievement. APEC 2024 hit record attendance this year, which took place in Long Beach, CA.

Submitted by Gloria Tao on March 25, 2024
https://eecs.berkeley.edu/news/berkeley-eecs-wins-best-presentation-awards-at-ieee-apec/



Filed Under: Awards, Conferences

Two graduate students receive technical awards at IEEE APEC

June 12, 2023 by Berkeley Engineering

Two Berkeley EECS graduate students, Haifah Sambo and Logan Horowitz, received separate Technical Session Best Presentation Awards at the 2023 IEEE Applied Power Electronics Conference (APEC), after a rigorous review process that highlights the conference’s most innovative technical solutions. Sambo received a Technical Lecture Award, for her oral presentation of her paper, “Autotuning of Resonant Switched-Capacitor Converters for Zero Current Switching and Terminal Capacitance Reduction,” while Horowitz received a Technical Dialogue Award, for his poster presentation paper of his paper “Decoupling Device for Small Commutation Loop and Improved Switching Performance with Large Power Transistors.” APEC focuses on the practical and applied aspects of the power electronics business and is the premier conference in the field. The technical program includes peer-reviewed papers that cover all areas of technical interest for practicing power electronics professionals. Both Sambo and Horowitz are advised by Professor Robert Pilawa-Podgurski. 

Submitted by Bennett Agnew on June 12, 2023 – 3:33pm
Two graduate students receive technical awards at IEEE APEC | EECS at UC Berkeley



Filed Under: Awards, Conferences

Yicheng Zhu wins NVIDIA Graduate Fellowship

January 25, 2023 by Berkeley Engineering

EECS Ph.D. student Yicheng Zhu (advisor: Robert Pilawa-Podgurski) has won an NVIDIA Graduate Fellowship. Zhu, whose research interests include enabling technologies for high-performance electric power conversion, is one of five recipients of the fellowship, which awards up to $50,000 to each recipient in support of research in areas such as accelerated computing, with fellows tackling projects in deep learning, robotics, computer vision, computer graphics, circuits, autonomous vehicles, and programming systems. Awardees are selected from a highly competitive, global applicant pool and will participate in a summer internship with NVIDIA. Spanning 22 years, NVIDIA has awarded $6 million to nearly 200 students to support graduate research. “Our fellowship recipients are among the most talented graduate students in the world,” said NVIDIA Chief Scientist Bill Dally. “They’re working on some of the most important problems in computer science, and we’re delighted to support their research.” Zhu’s research will explore extreme-performance hybrid switched-capacitor voltage regulation modules for ultra-high-power GPUs, which enables highly efficient and ultra-compact vertical power delivery with fast transient response.

Submitted by Matthew Santillan on January 25, 2023 – 4:51pm

Yicheng Zhu wins NVIDIA Graduate Fellowship | EECS at UC Berkeley

NVIDIA Awards $50,000 Research Fellowships to PhD Students



Filed Under: Awards

Rod Bayliss and Vivek Nair win 2022 Hertz Fellowships

June 6, 2022 by Berkeley Engineering

EECS graduate students Roderick Bayliss III (advisor: Robert Pilawa-Podgurski) and Vivek Nair (advisor: Dawn Song) have been selected to receive 2022 Hertz Fellowships.  One of the most prestigious awards of its kind, Hertz Fellowships support PhD students whose research show “the greatest potential to tackle society’s most urgent problems.” Bayliss is developing more efficient and power-dense types of power converters—devices that change the current, voltage or frequency of electrical energy—and inductors, which store energy, to help reduce the world’s dependence on fossil fuels. He earned his B.S. and M.Eng. in Electrical Engineering from MIT.  Nair is developing cutting-edge cryptographic techniques to defend digital infrastructure against sophisticated cyberthreats. He was the youngest-ever recipient of a B.A. and Master’s in computer science from the University of Illinois Urbana-Champaign, and is the founder of Multifactor.com.  Their fellowships will fund up to five years of graduate research with “the freedom to pursue innovative ideas wherever they may lead.”  Hertz Fellows also receive lifelong professional support, including mentoring and networking with a powerful community of more than 1,200 researchers.

Submitted by Magdalene L. Crowley on June 6, 2022 – 11:19am

Rod Bayliss and Vivek Nair win 2022 Hertz Fellowships | EECS at UC Berkeley



Filed Under: Awards

Amanda Jackson, Samantha Coday, Kelly Fernandez, and Rose Abramson win IEEE APEC best presentation awards

April 26, 2022 by Berkeley Engineering

Four EECS students in Robert Pilawa-Podgurski’s lab have won best presentation awards for papers they presented at the 2022 IEEE Applied Power Electronics Conference (APEC) in March.  Three Technical Lecture Awards were won by:  undergraduate EECS student Amanda Jackson for “A Capacitively-Isolated Dual Extended LC-Tank Converter with 50% Two-Phase Operation at Even Conversion Ratios;” graduate student Samantha Coday for “Design and Implementation of a (Flying) Flying Capacitor Multilevel Converter;” and graduate student Kelly Fernandez for “A Charge Injection Loss Compensation Method for a Series-Stacked Buffer to Reduce Current and Voltage Ripple in Single-Phase Systems.”  Graduate student Rose Abramson won a Technical Dialogue Award for “Core Size Scaling Law of Two-Phase Coupled Inductors — Demonstration in a 48-to-1.8 V MLB-Pol Converter.”   The Technical Sessions showcased the best, peer-reviewed papers that described “new design ideas” and “innovative solutions” in “all areas of technical interest for the practicing power electronics professional.” The dialogue sessions concentrated on papers “with a more specialized focus.”  APEC is the premier conference in the field of power electronics.

Submitted by Magdalene L. Crowley on April 26, 2022 – 2:12pm

Amanda Jackson, Samantha Coday, Kelly Fernandez, and Rose Abramson win IEEE APEC best presentation awards | EECS at UC Berkeley



Filed Under: Awards, Conferences

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