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Exploring Power Network Signatures for Information Forensics

Saturday, September 19th, 2015

September 17, 2015 at 12:00 p.m. Dr. Min Wu, Professor of Electrical and Computer Engineering and a Distinguished Scholar-Teacher at the University of Maryland, College Park will be presenting “Exploring Power Network Signatures for Information Forensics”.

Speaker: Dr. Min Wu
IEEE Fellow
Professor of Electrical and Computer Engineering
University of Maryland, College Park

Day & Time: Thursday, September 17, 2015
12:00 p.m. – 1:00 p.m.

Location: Room ENG105, Ryerson University
245 Church Street, Toronto, Ontario M5B 2K3
Click here to see the Map – Look for ENG

Organizer: IEEE Signal Processing Society
Electrical and Computer Engineering Graduate Program
CASPAL Ryerson

Contact: Prof. Xiao-Ping Zhang
CASPAL (Communications and Signal Processing Applications Lab.)
Department of Electrical and Computer Engineering,
Ryerson University

Abstract: Osama bin Laden’s video propaganda prompted numerous information forensic questions: given a video under question, when and where was it shot? Was the sound track captured together at the same time/location as the visual, or superimposed later? Similar questions about the time, location, and integrity of multimedia and other sensor recordings are important to provide evidence and trust in crime solving, journalism, infrastructure monitoring, smart grid management, and other informational operations.

An emerging line of research toward addressing these questions exploits novel signatures induced by the power network. An example is the small random-like fluctuations of the electricity frequency known as the Electric Network Frequency (ENF), owing to the dynamic control process to match the electricity supplies with the demands in the grid. These environmental signatures reflect the attributes and conditions of the power grid and become naturally “embedded” into various types of sensing signals. They carry time and location information and may facilitate integrity verification of the primary sensing data. This talk will provide an overview of recent information forensics research on ENF carried out by our Media and Security Team (MAST) at University of Maryland, and discuss some on-going and open research issues in and beyond security applications.

Biography:Min Wu is a Professor of Electrical and Computer Engineering and a Distinguished Scholar-Teacher at the University of Maryland, College Park. She received her Ph.D. degree in electrical engineering from Princeton University in 2001. At UMD, she leads the Media and Security Team (MAST), with main research interests on information security and forensics and multimedia signal processing. Her research and education have been recognized by a NSF CAREER award, a TR100 Young Innovator Award from the MIT Technology Review Magazine, an ONR Young Investigator Award, a Computer World “40 Under 40” IT Innovator Award, a University of Maryland Invention of the Year Award, an IEEE Mac Van Valkenburg Early Career Early Career Teaching Award, and several paper awards from IEEE SPS, ACM, and EURASIP. She was elected IEEE Fellow for contributions to multimedia security and forensics. Dr. Wu chaired the IEEE Technical Committee on Information Forensics and Security (2012-2013), and has served as Vice President – Finance of the IEEE Signal Processing Society (2010-2012) and Founding Chief Editor of the IEEE SigPort initiative (2013-2014). Currently, she is serving as Editor-in-Chief (2015-2017) of the IEEE Signal Processing Magazine and an IEEE Distinguished Lecturer.

Advanced Technologies in Power System and Power Electronics

Sunday, August 30th, 2015

September 18, 2015 at 9:00 a.m (EDT) Toronto IEEE IAS&PELS joint Chapter and Power System Chapter along with Ryerson’s Faculty of Engineering and Architectural Science invite you to join us for seminar discussions related to Power Electronics and Power System. For registration please contact Marjan at alavi@ieee.org.

Speakers: Many – See Below

Day & Time: Friday, September 18th, 2015
9:00 AM to 2:00 PM (EDT)

Location: 50 Carlton St., Toronto, ON
Ryerson University
Click here for a Map

Meeting URL: https://meetings.vtools.ieee.org/m/35766

Organizers: IEEE IAS&PELS Joint Chapter, Power System Chapter, Ryerson Faculty of Engineering and Architectural Science

Registration: For registration please contact Marjan at alavi@ieee.org.

Seminar Agenda:
The seminar agenda is as follows:
1) 8:30AM Registration
2) 9:00AM Welcome
3) 9:20AM Presentation I – by Dr. Bin Wu
4) 10:00AM Presentation II – by Dr. Yunwei Li
5) 10:40AM Coffee time and Break
6) 11:20AM Presentation III – by Dr. Samir Kouro
7) 12:00PM Light lunch
8) 12:30PM Presentation IV – by Dr. You Zhou
9) 1:20PM Presentation V – by Dr. Wuhua Li
10) 2:00PM Lab tours – LEDAR and CUE labs

Presentation I by Dr. Bin Wu

Power Engineering Research at Ryerson University

Abstract:
The Power Engineering (PE) Group at Ryerson University is one of the leading research groups in a Canadian university in the field of high-power converters, medium voltage (MV) drives, renewable energy systems, and power systems. The Ryerson PE Group has a long-term successful research collaborations with Canadian industry, including Rockwell Automation Canada, Honeywell Aerospace Canada, Toronto Hydro Corporation, and Hydro One Incorporated.

In this talk, our research facilities will be introduced, which include the Laboratory for Electric Drive Applications and Research (LEDAR) and research laboratories in Centre for Urban Energy (CUE). A variety of industrial research projects will be discussed, including high-power (megawatt) converters for MV drives, wind and PV energy conversion systems, electric vehicle fast chargers and charging stations, and battery energy management systems. The talk ends with the research trends and directions in the area of MV drives.

Biography:
Bin Wu received his Ph.D. degree in electrical and computer engineering from the University of Toronto, Canada in 1993. He joined Ryerson University in 1993, where he is currently a Professor and Senior NSERC/Rockwell Automation Industrial Research Chair in Power Electronics and Electric Drives. Dr. Wu has published more than 300 technical papers, authored/coauthored two Wiley-IEEE Press books, and holds more than 25 granted/pending US/European patents in the area of power conversion, medium voltage drives, and renewable energy systems.
Dr. Wu received the Gold Medal of the Governor General of Canada in 1993, Premier’s Research Excellence Award in 2001, NSERC Synergy Award for Innovation in 2002, Ryerson Distinguished Scholar Award in 2003, YSGS Outstanding Contribution to Graduate Education Award, and Professional Engineers Ontario (PEO) Engineering Excellence Medal in 2014. He is a fellow of Institute of Electrical and Electronics Engineers (IEEE), Engineering Institute of Canada (EIC), and Canadian Academy of Engineering (CAE).
Contact:
Dr. Bin Wu
Professor, Department of Electrical and Computer Engineering, Ryerson University, Canada
Email: bwu@ee.ryerson.ca
Web: http://www.ee.ryerson.ca/~bwu/

Presentation II by Dr. Yunwei Li

Virtual Impedance based Grid Interfacing Converter Control for Active Distribution System Power Quality Improvement

Abstract:
With today’s increasing concerns on energy costs, energy security and greenhouse gas emissions, more and more renewable energy sources is being integrated into the power distribution system through distributed generation (DG). For example, photovoltaic (PV) power production has been doubling every two years, increasing by an average of 48% each year since 2002. At the same time, the increased penetration of nonlinear loads may introduce power quality issues to the distribution power system. Such a system with the presence of many power electronics interfaced DG and loads can be considered as an active distribution system, where the power electronics interfaces can actively participated in the system operation and control with improved efficiency, reliability and power quality. This talk focuses on the distribution system harmonic control through the DG-grid interfacing converters. The compensation strategies are developed using the virtual impedance control concept.

Biography:
Dr. Yunwei (Ryan) Li is currently a Professor with the Department of Electrical and Computer Engineering, University of Alberta, Canada. Dr. Li received the Ph.D. degree from Nanyang Technological University, Singapore. In 2005, Dr. Li was a Visiting Scholar with the Aalborg University, Denmark. From 2006 to 2007, he was a Postdoctoral Research Fellow at Ryerson University, Canada. In 2007, he also worked at Rockwell Automation Canada. His research interests include control and PWM for power converters in distributed generation, microgrid, renewable energy, electric motor drives, and custom power devices. Dr. Li has published over 120 papers in these areas.
Dr. Li is a senior member of IEEE, a Professional Engineer with Alberta Canada. He serves as an Associate Editor for IEEE Transactions on Power Electronics, IEEE Transactions on Industrial Electronics, and IEEE Journal of Emerging and Selected Topics in Power Electronics. Dr. Li received the 2013 Richard M. Bass Outstanding Young Power Electronics Engineer Award from IEEE Power Electronics Society.
Contact:
Dr. Yunwei (Ryan) Li
Professor, Department of Electrical and Computer Engineering, University of Alberta, Canada
Email: yunwei.li@ualberta.ca
Web: http://www.ece.ualberta.ca/~yunwei1/

Presentation III by Dr. Samir Kouro

Research on Photovoltaic Energy Conversion Systems at UTFSM

Abstract:
The north of Chile has the world’s most favorable resources for solar energy conversion. Nevertheless, particular conditions of the dessert such as high altitude, high temperature fluctuations, lack of water and dust are challenges for the development of the solar industry. Two research centers of excellence: the Solar Energy Research Center (SERC) and the Advanced Center for Electrical and Electronic Engineering (AC3E) are addressing these challenges. The Power Electronics Research Group of the Technical University Federico Santa Maria (UTFSM) leads these efforts in both centers, from the power electronics perspective. In this presentation some of the recent research and development projects on photovoltaic energy conversion systems will be introduced, including: soiling effects on energy yield, sub-module PV converters, photovoltaic energy in mining applications, multilevel converters for grid connected PV systems and predictive control of PV inverters.

Biography:
Dr. Samir Kouro received the M.Sc. and Ph.D. degrees in electronics engineering from the Universidad Tecnica Federico Santa Maria (UTFSM), Valparaíso, Chile, in 2004 and 2008, respectively. From 2009 to 2011 he was a Postdoctoral Fellow in the Department of Electrical and Computer Engineering, Ryerson University, Toronto, Canada. Since 2011 he has been with UTFSM where he currently is associate professor. Dr. Kouro has directed 6 Chilean National Fund projects (Fondecyt), is founding member and Principal Investigator of the Solar Energy Research Center (SERC-Chile) one of the national priority areas centers of excellence of Chile, and founding member and Titular Researcher of the Advanced Center of Electrical and Electronics Engineering (AC3E), one of the technology transfers centers of excellence in Chile. He has coauthored one book, four book chapters and over 100 refereed journal and conference papers. He has served as Guest Editor of a Special Section in the IEEE Transactions on Industrial Electronics (2013-2014) and one in the IEEE Transactions on Power Electronics (2014-2015). Dr. Kouro received the IEEE Power Electronics Society Richard M. Bass Outstanding Young Power Electronics Engineer Award in 2012, the IEEE Industry Applications Magazine 1st prize paper award of 2012, the IEEE Transactions on Industrial Electronics Best Paper Award of 2011, the IEEE Industrial Electronics Magazine Best Paper Award of 2008.

Contact:
Dr. Samir Kouro
Professor, Department of Electronic Engineering, Universidad Técnica Federico Santa María, Chile
Email: samir.kouro@ieee.org
Web: http://www2.elo.utfsm.cl/~skr/Samir_Home_Page/Home.html

Presentation IV by Dr. You (George) Zhou

Power Electronics for Future Energy Internet

Abstract:
In this presentation, future de-centralized energy/power system is defined under the concept of energy internet with zero or low carbon emission feature. The role of power electronics within this context is reviewed and fundamental stability issue within multiple-converter based power system is discussed. Distributed energy storage is found to be the general solution to decouple the in-stability caused from constant power device connection. Based on this concept, an Energy Memory & Energy computer concept is proposed for future energy internet. The related energy control & management platform is then introduced as an Energy-Operating-System (EOS). Overall, power electronics is proven to be the fundamental and key technology for digitized energy system with defined development road map in energy internet.

Biography:
Dr. You(George) Zhou earned his bachelor and master degree from Tsinghua University, China and his PhD degree in Toronto, Canada, all in Electrical Engineering. From 2000 – 2013, he was with Honeywell Aerospace, responsible for power/energy system design for various aircraft platforms including Boeing 7E7/787, Lockheed Martin F35, Airbus A380/A350. He pioneered digital power system design concept for Honeywell Aerospace and has won many awards in Honeywell including Honeywell Outstanding Engineer Award & Honeywell Technical Achievement Award. He has over thirty patents and related publications. In 2013, He joined National Institute of Clean and Low Carbon Energy (NICE) in Beijing, China, as a member of National “Thousand Talents Program”. He is now the technical leader for distributed energy system group of NICE, the core R&D section of its parental company Shenhua Group, ranked 165th of Fortune 500 in 2014 and supplies 12% energy of China. His research includes energy internet based system design and integration for multiple source based energy system including energy generation, energy conversion and energy storage from zero or low carbon emission perspective.

Contact:
Dr. You (George) Zhou
National Institute of Clean and Low-Carbon Energy, Shenhua Group
Email: zhouyou@nicenergy.com
Web: http://www.nicenergy.com/cn/

Presentation V by Dr. Wuhua Li

Recent Research and Achievements in High Power Conversion System at SEEEDS

Abstract:
The efficiency, flexibility and reliability of high power conversion system have gained great popularity in power electronics community. Based on the classic definition of Dr. Newell on Power Electronics, the laboratory of SEEEDS (Sustainable & Efficient Electric Energy Delivery System) is dedicated to innovating advanced technology to improve the conversion efficiency, operation flexibility and system reliability in high power conversion system. At the semiconductor device level, the dynamic switching performance test principle and online-junction temperature extraction for high power IGBT modules will be introduced. At the power converter level, a Module Multilevel-clamped Composited Multilevel Converter (M-MC2) will be investigated. At the system control level, an accurate behavior model and common-mode voltage injection based nearest level modulation for modular multilevel converters (MMCs) will be highlighted.

Biography:
Dr. Wuhua Li (M’09) received the B.Sc. and Ph.D. degree in Applied Power Electronics and Electrical Engineering from Zhejiang University, Hangzhou, China, in 2002 and 2008, respectively.
From 2007 to 2008, he was a Research Assistant in General Electric (GE) Global Research Center. From 2008 to 2010, he joined the College of Electrical Engineering, Zhejiang University as a Lecturer. In December 2010, he was promoted as an Associate Professor. Since December 2013, he has been a Full Professor at Zhejiang University. From 2010 to 2011, he was a Ryerson University Postdoctoral Fellow with the Department of Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada. His research interests include high efficiency power converters and renewable energy power conversion system. Dr. Li has published more than 100 peer-reviewed technical papers and holds over 30 issued/pending patents.

Contact:
Dr. Wuhua Li
Professor, School of Electrical Engineering, Zhejiang University
Email: woohualee@zju.edu.cn
Web: http://mypage.zju.edu.cn/en/woohualee

Geographic Partitioning Techniques for the Anonymization of Health Care Data (Big data and advanced analytics methods to ensure privacy).

Sunday, August 2nd, 2015

September 29, 2015 at 1:30 p.m. Dr. Wei Shi, Assistant professor at the faculty of Business and I.T. in the University of Ontario Institute of Technology and an adjunct professor in the School of Computer Science at Carleton University, will be presenting “Geographic Partitioning Techniques for the Anonymization of Health Care Data (Big data and advanced analytics methods to ensure privacy)”.

Speaker: Dr. Wei Shi
Assistant professor at the faculty of Business and I.T. in the University of Ontario Institute of Technology and an adjunct professor in the School of Computer Science at Carleton University.

Day & Time: Tuesday, September 29, 2015
1:30 p.m. – 2:30 p.m.

Location: Eric Palin Hall
Ryerson University
Room: EPH207
87 Gerrard Street East, Toronto, Ontario
Click here to see the Map – Look for EPH

Organizer: IEEE Toronto Systems Chapter

Contact: E-mail: Alexei Botchkarev

Registration: Registration is free, but space is limited. Please register via this link: http://tinyurl.com/systemsEvent

Abstract: Hospitals and health care organizations collect large amounts of detailed health care data that is in high demand by researchers. Thus, the possessors of such data are in need of methods that allow for this data to be released without compromising the confidentiality of the individuals to whom it pertains. As the geographic aspect of this data is becoming increasingly relevant for research being conducted, it is important for an anonymization process to pay due attention to the geographic attributes of such data. In this talk, a novel system for health care data anonymization is presented. At the core of the system is the aggregation of an initial regionalization guided by the use of a Voronoi diagram. We conduct a comparison with another geographic-based system of anonymization, GeoLeader. We show that our system is capable of producing results of a comparable quality with a much faster running time.

Biography: Dr. Wei Shi is an assistant professor at the faculty of Business and I.T. in the University of Ontario Institute of Technology and an adjunct professor in the School of Computer Science at Carleton University. Dr. Shi received her BEng. in Computer Engineering from Harbin Institute of Technology in China and MSC and Ph.D. in Computer Science from Carleton University in Ottawa, Canada. Her research interests include big data analytics, algorithm design and analysis for distributed environments such as the cloud, wireless sensor network, mobile network as well as vehicular network. She has published over 40 technical papers in top conferences and journals. Her research work is supported by IBM and Natural Sciences and Engineering Research Council (NSERC) of Canada.