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The HyREV Propulsion System: a B20 Power-Split Extended Range Electric Vehicle for the EcoCAR Challenge

Abstract

EcoCAR: The NeXt Challenge is a three-year collegiate advanced vehicle technology competition (AVTC) established by the United States Department of Energy (DOE) and General Motors (GM). Argonne National Laboratory (ANL) has managed the AVTC series for 20 years.

The competition challenges 17 North American universities to reduce the environmental impact of a captured GM fleet vehicle by minimizing its fuel consumption and reducing emissions while

-world atmosphere. Sponsors of the competition provide teams with the engineering tools and equipment needed to create a realistic vehicle design project. Using these tools the ERAU team, the EcoEagles, have devised a Power-Split EREV propulsion system. The team will build a prot Milford Proving Grounds in Detroit, Michigan.

Vehicle electrification is a major component of the vehicle design. The team designed around a 25-mile electric range, which provides a significant benefit for most consumers. The average commuter (50%) drives less than 40 km per day. This means that a consumer using the EcoEagles vehicle almost never has to use the diesel engine, resulting in a total petroleum energy reduction of 40-50%.

The vehicle uses an efficient 1.3-liter turbo-charged diesel engine, which can use bio-diesel or traditional diesel fuel. The combined power systems can produce more than 185 kilowatts of power. The control system includes a feature employing GPS, traffic information, and terrain maps, which, in combination with the multi-mode power system, can deliver 50-plus miles per gallon (mpg) combined fuel efficiency, compared to the stock combined efficiency of 22 mpg.

The EcoEagles have implemented a multi-disciplinary approach to the design and manufacturing of the EcoCAR. Departments within the Colleges of Engineering, Arts and Sciences, and Business will collaborate in order to design and integrate the systems into the competition vehicle, building upon experience from being the reigning national champions of the SAE Formula Hybrid competition. Besides the student leadership, there is also a panel of faculty advisors that meets with and provides input to the team and group leaders.

Introduction

The EcoCAR Challenge is an effort by the US Department of Energy, GM, and National Resources Canada to promote the development of cleaner, more efficient vehicles as part of a comprehensive educational program. The EcoEagles team represents Embry-Riddle Aeronautical University (ERAU) in this three year competition. The design goals for this competition are to reduce petroleum energy consumption and reduce well-to-wheel (WTW) emissions, while maintaining consumer acceptability. Because of the availability and efficiency of electricity and electric power systems, vehicle electrification was identified as a key technology for this project.

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Sabatini, V., & Maxson, R., & White, D., & McKisson, J., & Haupfear, W. (2010, June), The Hyrev Propulsion System: A B20 Power Split Extended Range Electric Vehicle For The Ecocar Challenge Paper presented at 2010 Annual Conference & Exposition, Louisville, Kentucky. 10.18260/1-2--16464