2007 R.E.V. Racing Electric Vehicle Senior Design Project

Overview Purpose  Improve community awareness of electric vehicles  Raise publicity for school and design projects  To show potential plan for future Electric SAE Competition  Compete in SCCA Autocross and SAE Formula Hybrid Race Design Constraints  Meet safety guidelines from a combination of SCCA, SAE Formula Hybrid specifications  Weight and Volume

Objectives  0-60 mph in under 5 seconds  Weight under 650 lbs  Battery life of 15 minutes for continuous draw  Wireless download data capability  Prove an electrical system is comparable to an internal combustion system

AE ~ Aerospace Engineer, CE ~ Computer Engineer, EE ~ Electrical Engineer, ME ~ Mechanical Engineer The Team  Matt Reedy (EE/CE), Electrical Lead  Kristi Harrell (EE)  Audrey Moyers (CE)  Valerie Bastien (EE)  Jason McSwain (CE)  Elizabeth Diaz (ME), Team Lead  Jason Miner (ME), Mechanical Lead  Jared Doescher (ME)  Kathy Murray (AE/ME)  AJ Nick (ME)  Josh Wales (ME)  Dave Wickers (ME)  Oliver Zimmerman (ME)

Drive System/Electrical Team

Schedule Winter Break

Wireless Interface 512 Ram 1462 m Range Small C – freeware with limited assembler PLC EZPLC-D-96E: Voltage- 24V 96 I/O Max CPU Processor 32 Bit, 40 MHz Memory Available: 64 K Words Total Registers Bit Motor Advanced DC Motor FB Weight: lbs Input Voltage: V Current Max:700 amps 28 HP -Continuous Rating 85 HP –Peak Rating System Diagram Batteries Lithium Ion Batteries A123 Systems Part Number: ANR26650M1 Nominal capacity and voltage: 2.3 Ah, 3.3 V Max continuous discharge: 70 A Operating temperature range: -30˚C to +60˚C Weight: lbs (70g) Motor Controller Zilla Controller-Z1K-LV Weight: 15.5 lbs Max. Motor Amps: 1000 A Nom. Battery Voltage: 72 – 156 V Peak Power: 320,000 Watts User Interface EZ Monitor 5.7” Screen Displays vital system information from PLC

User Interface Left side of main battery Displays the average voltage level of the batteries located on the left side. Changes color when any cell temperature is too high. Right side of main battery Displays the average voltage level of the batteries located on the right side. Changes color when any cell temperature is too high. Auxiliary battery Displays the voltage level of the auxiliary battery. Changes color when any cell temperature is too high. Tachometer Analog display of the speed. Odometer Digital display of distance traveled. Timer Timer starts when “gas” pedal is initially pressed. RPM Displays revolutions per minute. Voltage Displays system main voltage. Current Displays system current. Main Screen

User Interface Individual Cells Displays the voltage level of the cell. Changes color when its temperature is too high. Cell Temperature Digital display of temperature. Cell Voltage Digital display of voltage. System Current Shows the system current. Average Temperature Displays the average temperature of the cells. Average Voltage Displays the average voltage of the cells. Power Displays the average percentage of voltage remaining in the cells. Auxiliary battery Displays the voltage level of the auxiliary battery. Changes color when any cell temperature is too high. Battery Screen

Budget

Website  Competition Information  SCCA Autocross  SAE Formula Hybrid