IEEE Awards Booklet - 2021 - 16

2021 IEEE MEDALS

IEEE Medal in Power Engineering

IEEE Simon Ramo Medal

Sponsored by the IEEE Industry Applications,
Industrial Electronics, Power Electronics,
and Power & Energy Societies

Sponsored by Northrop Grumman Corporation

Praveen K. Jain

Elisabeth Paté-Cornell

For contributions to the theory and
practice of high-frequency powerconversion systems

For sustained leadership in developing
theory and applications of probability
and risk analysis for the design and
evaluation of complex engineering
systems

Praveen K. Jain has revolutionized many aspects of high-frequency
power conversion technology with innovations that have found
application in the space, telecommunications, computer, induction melting, and renewable energy industries. Jain was one of the
first researchers to solve the long-standing problems in the starting of thyristorized series-tuned induction melting power supply
systems. The inverter circuit configurations he proposed were applied worldwide by the induction heating industry in the design
of a wide range of power supplies. Jain's new class of ac-to-dc
converter topologies provided a breakthrough in the design of
compact, lightweight, and efficient power supplies for high-frequency power distribution systems in space applications, including Canadarm2 of the International Space Station. Jain was one
of the first researchers to take advantage of high distribution frequency in utilizing a single resonant conversion stage to achieve
near-unity power factor and regulated output dc voltage in a
high-frequency ac-to-dc converter. He also led the development
of asymmetrical pulse-width modulation control techniques for
high-density power supplies for telecommunications, improving
on conventional resonant converters based on variable frequency
control. Jain's innovative digital control techniques revolutionized
the design of multiphase buck converters in computer applications. The patented technology, adopted by most chip manufacturers, has been incorporated in the development of digital power
controllers with ultra-fast dynamic response for the computer microprocessors. Jain also developed new power converter topologies and control techniques for photovoltaic (PV) microinverters.
Through his novel just-in-time-energy-balance techniques, the
required amount of energy storage capacitors in single-phase PV
inverters has been reduced by a factor of more than 1,000 without using additional conversion stages.This has revolutionized the
design of PV microinverters. He is the founding director of the
Centre for Energy and Power Electronics Research (ePOWER)
at Queen's University, which is one of the top power electronics
research centers in the world.
An IEEE Fellow and recipient of the 2017 IEEE Canada Power
Medal, Jain is a professor and Tier-1 Canada Research Chair at
Queen's University, Kingston, Ontario, Canada.

For over forty years, Elisabeth Paté-Cornell has been at the international forefront of applying probabilistic risk analysis methods
to complex systems and system engineering problems, including space, medicine, energy, and cyber security. Historically, risk
has been estimated as a single probability of failure or as a mean
of potential losses. The probabilistic method, however, considers
the different failure scenarios and describes their consequences
as a distribution function, which is extremely useful in making
systems-level decisions. While Paté-Cornell has worked tirelessly
to enhance the theory of engineering risk analysis, she has also
focused on practical, real-world solutions as the ultimate goal. One
hallmark of her work has been a strong emphasis on the link between organizational factors, human behaviors-including what
we now call " safety culture " -and the system performance and
failure risk. Her work has made it possible to understand the underlying causes of accidents (for instance, on offshore oil platforms)
and, looking forward, to show the range of possible outcomes under real-world uncertainty to give a manager or decision maker
deep insight into possible consequences. Her contributions to society in understanding and managing risks include the optimization of warning systems (when to issue alerts to allow for proactive defenses), the mitigation of patient risks in anesthesia, and the
evaluation of the risks of failure of the thermal protection system
of NASA's Space Shuttle. She also explored and developed risk
insights in the airline industry, including a risk-analysis approach to
tradeoffs (for example, between schedule delays and maintenance).
She also published several papers on nuclear safety and analyzed
the reactions from the public, the media, and government agencies to the Three-Mile Island, Chernobyl, and Fukushima nuclear
accidents. Her recent work has focused on improvements of the
monitoring of satellites to avoid collisions in low-earth orbit and
on the use of game theory in risk analysis with applications that
have included counterterrorism, and cyber security.
A member of the U.S. National Academy of Engineering and
the French Académie des Technologies, Paté-Cornell is the Burt
and Deedee McMurtry Professor in the School of Engineering
and Founding Chair of the Department of Management Science
and Engineering at Stanford University, Stanford, CA, USA.

Scope: For outstanding contributions to the technology associated
with the generation, transmission, distribution, application, and
utilization of electric power for the betterment of society.

Scope: For exceptional achievement in systems engineering and
systems science.

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IEEE Awards Booklet - 2021

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