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Upcoming Webinars - 

Hybrid-Electric Air-Vehicle Propulsion:  Challenges, Opportunities, and Impact

Phillip Ansell, Department of Aerospace Engineering, University of Illinois at Urbana-Champaign
Monday, April 22, 2019, 11:00am New York Time

Abstract:  The aeronautics industry has been challenged on many fronts to increase efficiency, reduce emissions, and decrease dependency on carbon-based fuels. These efforts have been driven not only due to the adverse effects of greenhouse gas emissions produced by aviation, but also to ensure long-term viability of the industry as it prepares for an increase in affordable sources of renewable energy and a decrease in availability of traditional fuel sources. To meet future demands, several approaches have been taken to reduce the fuel burn of aircraft, including improvements in the aerodynamic efficiency of air vehicles, increases in turbofan engine efficiency, and alternative jet fuels.  Additionally, electrification concepts for aircraft propulsion have been developed, such as turboelectric, hybrid-electric, and all-electric aircraft systems. However, the commercial viability of hybrid-electric aircraft is widely unknown. The high power-density, flight-weight electric motors necessary to provide some or all of the power for a commercial transport aircraft do not yet exist, but their performance may be estimated using future projections. Current battery technology is not as energy dense as traditional aircraft fuel sources, leading to significant range limitations when used as an energy source for aircraft. Additionally, battery technology is not completely without greenhouse gas emissions, as the energy used to charge the batteries from the electric grid must be generated in some way.

To determine if a hybrid aircraft is potentially viable as an approach to the future of commercial aviation, two factors must be considered: the aircraft must have sufficient range capabilities to complete the majority of missions within its class, and it must be able to complete these missions with greater efficiency (less energy), decreased greenhouse gas emissions, and/or at lower cost than a traditional, petroleum-based variant. In order to understand what technological improvements will be necessary in order to produce viable hybrid-electric aircraft systems, this webinar discusses results produced for the simulated flight performance of baseline and hybridized propulsion drivetrains across three classes of aircraft, including a four-passenger twin-engine general aviation vehicle, a 78-passenger regional jet, and a 128-passenger single-aisle commercial transport aircraft. The simulations were prescribed to follow the same takeoff, climb, cruise, descent, landing, and reserves requirements of a typical aircraft mission and validated in comparison to existing aircraft of these respective classes.  Variants of these aircraft were developed with varying degrees of hybridization and projected improvements in component-level capabilities across electrical machine and battery systems in order to define the technological improvements necessary for commercially-viable future hybrid-electric aircraft systems.  It is shown that the required range serves as a key factor in determining the potential improvements in fuel burn, greenhouse gas emissions, and operational cost per passenger mile offered by hybrid-electric aircraft propulsion, with the most substantial improvements being offered across missions with shorter range requirements. 


Prof. Phillip J. Ansell earned his BS in Aerospace Engineering from Penn State University in 2008, and his MS and PhD in Aerospace Engineering from the University of Illinois at Urbana-Champaign in 2010 and 2013, respectively.  He joined the faculty of the Department of Aerospace Engineering at the University of Illinois at Urbana-Champaign in 2015 as an Assistant Professor.  His research interests include subsonic and transonic aerodynamics, fluid dynamics, applied aerodynamics, atmospheric flight sciences, aero-propulsive integration, and aircraft propulsion electrification.

His research accomplishments have earned him several honors and awards, including the AFOSR Young Investigator Award (2015), inclusion in Forbes 30 under 30 list (2016, Science category), the ARO Young Investigator Award (2017), and the College of Engineering Dean’s Award for Excellence in Research at Illinois (2019).  Prof. Ansell has played a key technical role, along with others, in organizing the Electric Aircraft Technologies Symposium (EATS).  This collaborative symposium between AIAA and IEEE brings together the multi-disciplinary communities of electrical engineers and aerospace experts towards the advancement of aircraft propulsion electrification.

High Efficiency Wireless Charging of Electric Vehicles

Sponsored by the IEEE Industry Applications Society
Chris Mi, Department of Electrical and Computer Engineering, San Diego State University
Thursday, May 16, 2019, 11:00am New York Time

Abstract:  Wireless power transfer (WPT) technology offers significant improvement in convenience and electric safety for electric vehicle (EV) charging. Both capacitive and inductive wireless power transfer technology have been investigated for various applications. Experiments show that tens of kilowatts of power transfer can be achieved over 200mm distance with an efficiency of 97% (DC-DC), and an alignment tolerance of up to 300mm.

In this presentation, we will first look at the basic principle of WPT and its applications. Then we will show that safety is still one of the major concerns of WPT system for both inductive and capacitive power transfer. Then, we will discuss two unique topologies, the double-sided LCC topology which is one of the recommended topologies by the SAE J2954 standard for EV passenger car applications, and the LCLC topology for capacitive wireless power transfer. Finally, we will show some case studies that can be potentially commercialized with economic and safety viability. The application of WPT in various automotive vehicles will be discussed, including automatic guided vehicles (AGV), low-speed maglev trains, transit buses, elevators, delivery trucks, and fast charging of passenger cars. 


Chris Mi is a fellow of IEEE and SAE, Professor and Chair of the Department of Electrical and Computer Engineering, and the Director of the US DOE funded GATE Center for Electric Drive Transportation at San Diego State University, San Diego, California, USA. He was previously a professor at the University of Michigan, Dearborn from 2001 to 2015. He received the B.S. and M.S. degrees from Northwestern Polytechnical University, Xi’an, China, and the Ph.D. degree from the University of Toronto, Toronto, Canada, all in electrical engineering.  Previously he was an Electrical Engineer with General Electric Canada Inc. He was the President and the Chief Technical Officer of 1Power Solutions, Inc. from 2008 to 2011. He is the Co-Founder of SNC Technology.

His research interests are in electric and hybrid vehicles. He has taught tutorials and seminars on the subject of HEVs/PHEVs for the Society of Automotive Engineers (SAE), the IEEE, workshops sponsored by the National Science Foundation (NSF), and the National Society of Professional Engineers. He has delivered courses to major automotive OEMs and suppliers, including GM, Ford, Chrysler, Honda, Hyundai, Tyco Electronics, A&D Technology, Johnson Controls, Quantum Technology, Delphi, and the European Ph.D School. He has offered tutorials in many countries, including the U.S., China, Korea, Singapore, Italy, France, and Mexico. He has published more than 250 articles and delivered 100 invited talks and keynote speeches and as a panelist in major IEEE and SAE conferences.

Dr. Mi is the recipient of “Distinguished Teaching Award” and “Distinguished Research Award” of University of Michigan Dearborn. He is a recipient of the 2007 IEEE Region 4 “Outstanding Engineer Award,” “IEEE Southeastern Michigan Section Outstanding Professional Award.” and the “SAE Environmental Excellence in Transportation (E2T) Award.” He was also a recipient of the National Innovation Award and the Government Special Allowance Award from the China Central Government. He received two Best Paper Awards from IEEE Transactions on Power Electronics.

Dr. Mi was the Chair (2008-2009) and Vice Chair (2006-2007) of the IEEE Southeastern Michigan Section. Dr. Mi was the general Chair of the 5th IEEE Vehicle Power and Propulsion Conference held in Dearborn, Michigan, USA in September 6-11, 2009. Dr. Mi is one of the three Area Editors of the Editor of IEEE Transactions on Vehicular Technology, associate editor of IEEE Transactions on Power Electronics, Associate Editor of IEEE Transactions on Industry Applications. He served on the review panel for the NSF, the U.S. Department of Energy (2007–2010), the Natural Sciences and Engineering Research Council of Canada (2010), Hong Kong Research Grants Council, French Centre National de la Recherche Scientifique, Agency for Innovation by Science and Technology in Flanders (Belgium), and the Danish Research Council. He is the topic chair for the 2011 IEEE International Future Energy Challenge, and the General Chair for the 2013 IEEE International Future Energy Challenge. Dr. Chris Mi is a Distinguished Lecturer (DL) of the IEEE Vehicular Technology Society.

He is Guest Editor-in-Chief of IEEE Journal of Emerging and Selected Topics in Power Electronics - Special Issue on WPT, Guest Co-Editor-in-Chief of IEEE Transactions on Power Electronics Special Issue on WPT, Guest Editor of IEEE Transactions on Industrial Electronics - Special Issue on dynamic wireless power transfer, and steering committee member of the IEEE Transportation Electrification Conference (ITEC- Asian). He is Program Chair or General Chair of a number of international conferences, including Workshop on Wireless Power Transfer (WoW), IEEE International Electric Vehicle Conference (IEVC), and IEEE International Transportation Electrification Conference – Asia-Pacific. He is also the chair for the IEEE Future Direction’s Transportation Electrification Initiative (TEI) e-Learning Committee and developed an e-learning module on wireless power transfer.


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