Professor Yifei Pu, Sichuan University, China

Professor Yifei Pu obtained a bachelor's degree from Sichuan University in 1999, a master's degree from Sichuan University in 2003, and a doctoral degree from Sichuan University in June 2006. He worked as a postdoctoral researcher at the School of Electronic Engineering, University of Electronic Science and Technology of China from June 2006 to April 2008. He worked as a postdoctoral researcher at the French Academy of Sciences from December 2007 to May 2009. After graduating with a PhD in July 2007, He joined the School of Computer Science at Sichuan University as an associate professor. In 2013, I was appointed as a master's supervisor and in September 2014, He was appointed as a doctoral supervisor. Professor Pu Yifei has been focusing on how to apply fractional calculus to modern signal analysis and processing, exploring new fields of fractional order signal processing. The main research directions include fractional order signal processing, image processing, circuits and systems, and artificial intelligence.


Professor Syed Abdul Rehman Khan, Xuzhou University of Technology, China

Syed Abdul Rehman Khan is an expert of Supply Chain and Logistics Management. Dr. Khan achieved his CSCP—Certified Supply Chain Professional certificate from the U.S.A. and completed his postdoctoral fellowship from Tsinghua University. Dr. Khan has more than nine years' core experience in supply chain and logistics at industry and academic levels. He has attended several international conferences and also has been invited as a keynote speaker in different countries. He has published several scientific research papers in different well-renowned international journals and conferences. He is a regular contributor to conferences and workshops around the world. Also, Dr. Khan holds memberships in the following well renowned institutions and supply chain bodies/associations: APCIS-U.S.; Production and Operation Management Society, India; Council of Supply Chain Management of Professionals U.S.; Supply Chain Association of Pakistan; and Global Supply Chain Council China.


Professor Adrian Ioinovici, Shanghai University of Electrical Power, China

Adrian Ioinovici, IEEE Fellow, is the Director of the Power Electronics based on Switched Capacitors Center, the Shanghai University of Electrical Power, China, within the "one thousand foreign experts plan",  and holds honorary professorships from many universities. Previously, he served as a Professor and Director of the Power electronics for renewable energy Centre, Sun-Yat-sen University, Guangzhou under the "One thousand experts" program and as a Full Professor in the Nanjing University of aeronautics and Astronautics. He got the IEEE Fellow grade for "pioneering work in switched-capacitor converters". He authorized the books Computer-Aided Analysis of Active Circuits (New York: Marcel Dekker, 1990) and Power Electronics and Energy Conversion Systems, Volume 1: Fundamentals and Hard-switching Converters (Wiley, 2013), translated to Chinese in 2017, and the chapter Power Electronics in Encyclopedia of Physical Science and Technology (San Francisco, Academic, 2001). His main research interests are switching-capacitor converters and inverters, large dc gain converters, soft-switching converters. He published over 200 papers in IEEE Transactions and conferences. He has given keynote speeches or tutorials at many IEEE conferences. He has been a number of terms the Chairman of the Technical Committee on Power Systems and Power Electronics of the IEEE CAS Society. He served as an Associate Editor for Power Electronics of the IEEE Transactions on Circuits and Systems I, and of Journal of Circuits, Systems, and Computers (JCSC), and he was a Guest Editor of special issues of different IEEE Transactions. He was an Overseas Advisor of the IEICE Transactions, Japan. He is currently serving as an Associate Editor for IEEE Transactions on Power Electronics and IEEE Transactions on Industrial Electronics, and as a Co-Editor-in-Chief of WSEAS Transactions on Advances in Engineering Education.


Abstract: the switched-capacitor-based energy conversion history and principles will be revisited. Still on-going misunderstandings will be explained. Common ground switched capacitor multilevel inverters will be thoroughly discussed in the light of the requirements imposed by photovoltaics when used as energy sources. The limits of the state-of-the-art solutions will be shown. Further directions of the research to meet the challenges imposed on the power electronics used as the front end of the electrical grid supplied by renewable energy will be presented.


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