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Converging Technologies for Electric/Hybrid Vehicles and More Electric Aircraft Systems
Date: 2016/6/14             Browse: 581

Converging Technologies for Electric/Hybrid Vehicles and More Electric Aircraft Systems

Speaker: Kaushik Rajashekara

Time: Jun 14, 10:00am - 11:30pm.

Location: Room 306, Teaching Center


The aerospace industry is facing challenges similar to those of the automotive industry in terms of improving emissions, fuel economy, and cost.  Another similarity is the move toward replacing mechanical and pneumatic systems with electrical systems, thus transitioning toward “more electric” architectures.  To meet these challenges in the automotive industry, significant work has been done in the areas of electric, hybrid, and fuel cell vehicles.  In the case of airplanes, more electric architecture is the emerging trend.  The intent is to move as many aircraft loads as possible to electrical power, resulting in simpler aircraft systems leading to the potential for lower fuel consumption, reduced emissions, reduced maintenance, and possibly lower costs.  Electric-powered environment control systems (ECS), electrical actuators, electric de-icing, etc. are some examples of aircraft systems under consideration.  Electric starting of the engine and the conversion of all the pneumatic and hydraulic units on the accessory gearbox (AGB) to an electric system are also being investigated.  This presentation examines the synergies between the electrical components for electric/hybrid vehicles and more electric aircrafts systems and how the technology of the components being developed for these systems are converging to be modular, more efficient, smaller size, lower weight, and capable of operating over a wide temperature range.  Also, fuel cells for APU applications will also be discussed.


Kaushik Rajashekara received his PhD (1984) degree in Electrical Engineering from Indian Institute of Science.  In 1989, he joined Delphi division of General Motors Corporation in Indianapolis, IN, USA as a staff project engineer.  In Delphi and General Motors, he held various lead technical and managerial positions, and was the chief scientist for developing electric machines, controllers, and power electronics systems for electric, hybrid, and fuel cell vehicle systems.  In 2006, he joined Rolls-Royce Corporation as a Chief Technologist for More Electric Aircraft architectures and power conversion/control technologies for gas turbines in aero, marine, defense, and energy applications.  Since August 2012, he is a Distinguished Professor and Endowed Chair in Erik Jonsson School of Engineering and Computer Science at the University of Texas at Dallas. He also holds honorary Qiushi Chair Professor in Zhejiang University, China.

Prof. Rajashekara has published more than 140 papers in international journals and conferences, and has over 40 patents. He has given more than 100 invited presentations in international conferences and universities.  He has co-authored one IEEE Press book on sensorless control of ac motor drives and contributed individual chapters to six published books.

Prof. Rajashekara was elected as Member of the U.S. National Academy of Engineering for contributions to electric power conversion systems in transportation. He was also elected as Fellow of the National Academy of Inventors.  He is the recepient of the IEEE Richard Harold Kaufmann award for outstanding contributions to the advancement of electrical systems in transportation; IEEE Industry Applications Society Outstanding Achievement Award, and IEEE IAS Gerald Kliman award (2006) for contributions to the advancement of power conversion technologies through innovations and their applications to industry.  He is a Fellow of IEEE and a Fellow of SAE International.


SIST-Seminar 16033