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Session 2003

Development of a Hydrogen Powered HEV as an Interdisciplinary Laboratory Project

Micheal Parten, Timothy Maxwell Electrical and Computer Engineering/Mechanical Engineering Texas Tech University

I Introduction

Over the past several years, Texas Tech University’s Advanced Vehicle Engineering Laboratory (AVEL) has converted six conventional vehicles to hybrid electric (HEVs) and alternative fueled vehicles for the various Vehicle Challenges sponsored by the U.S. Department of Energy (DOE), the three major U.S. automobile manufacturers, the Society of Automotive Engineers and Natural Resources Canada.

Of particular interest today is the popularity of full sized sport utility vehicles (SUV). These vehicles are reversing the trends, over the last few years, of reduced emissions and improved fuel economy. In line with these problems, Texas Tech University is developing a hybrid Ford Explorer powered by 2.3 liter spark ignition engine, running on hydrogen, in parallel hybrid configuration with a 75 kilowatt induction motor. Two nickel metal hydride battery packs connected in parallel at 300 Volts DC nominal provide 13 Amp hours to drive the electric motor. The hybrid design maximizes efficiency with electric assistance adding to the vehicle’s performance during high engine loads and maintains a self sustaining charge through regeneration at times of low power train demands. A National Instruments' LabVIEW system is used to monitor and control the vehicle.

The development of the vehicle is a multidisciplinary project with students from mechanical engineering, electrical engineering and computer science involved. The majority of the undergraduate team members are enrolled in a two-semester senior design sequence. However, graduate students and volunteers also participated in the program. Faculty advisors from both electrical and mechanical engineering provide guidance for the team. Large, interdisciplinary team projects like this can give students a more complete understanding of interfacing, decision making and cooperation.

II. Hydrogen as a Fuel

Proceedings of the 2004 American Society for Engineering Education Annual Conference & Exposition Copyright  2004, American Society for Engineering Education

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Maxwell, T., & Parten, M. (2004, June), Development Of A Hydrogen Powered Hev As An Interdisciplinary Laboratory Project Paper presented at 2004 Annual Conference, Salt Lake City, Utah. 10.18260/1-2--13382