Design and testing of a prototype midsize parallel hybrid-electric sport utility

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Design and testing of a prototype midsize parallel hybrid-electric sport utility

Marshaus, Julie G.

The University of Wisconsin - Madison hybrid vehicle team has designed and constructed a four-wheel drive, charge sustaining, parallel hybrid-electric sport utility vehicle for entry into the FutureTruck 2003 competition. This is a multi-year project utilizing a 2002 4.0 liter Ford Explorer as the base vehicle. Wisconsin's FutureTruck, nicknamed the 'Moolander', weighs 2000 kg and includes a prototype aluminum frame. The Moolander uses a high efficiency, 1.8 liter, common rail, turbo-charged, compression ignition direct injection (CIDI) engine supplying 85 kW of peak power and an AC induction motor that provides an additional 60 kW of peak power. The 145 kW hybrid drivetrain will out-accelerate the stock V6 powertrain while producing similar emissions and drastically reducing fuel consumption. The PNGV Systems Analysis Toolkit (PSAT) model predicts a Federal Testing Procedure (FTP) combined driving cycle fuel economy of 16.05 km/L (37.8 mpg). The Moolander achieved 16.36 km/L (38.5 mpg) and Ultra Low Emission Vehicle (ULEV) emissions during initial dynamometer testing. Without sacrificing any interior space, the Moolander maintains the stock appearance and towing capacity of the Ford Explorer while reducing greenhouse gas emissions by a factor of 2.