Final Project Review – 4/10/2008 Al Mukmin Judson Ryckman Miguel Roncal Paul Otto Walter Thorn

 FPGA: Field programmable gate array  I/O: Input/Output  cRIO: Compact Reconfigurable I/O  LabVIEW: Laboratory Virtual Instrumentation Engineering Workbench  FTP: File transfer protocol  USB: Universal serial bus  VR: Voltage Regulator  RC: Resistor*Capacitor  VU Motorsports: Vanderbilt University Motorsports  NCAA: National Collegiate Athletic Association  FR: Front-Right  DAQ: Data Acquisition  VI: Virtual Instrument

Data acquisition motivation  Engineering feedback  Performance enhancement/development  Driver training

System Requirements  Channels  4x Wheel Speed  4x Shock Length  3 Axis Acceleration  Engine RPM  Oil Pressure  Throttle Position  Steering Position  2x Radiator Temps  Brake Pressure Waterproof Shock/EMF Resistant 200 Hz Resolution Min 20 Minutes Data Storage Remote Operated Wirelessly Accessible

GUI and Data Analysis IEEE b Wireless Communication 10Base-T Data Acquisition System Signal/Power Conditioning FRONT SENSORS Shock Position / VelocityLat. / Long. AccelerationSteering PositionBrake PressureTachometer REAR SENSORS Shock Position / VelocityOil PressureWheel SpeedTemperatureThrottle Position System Overview

System Spec. - Sensors ChannelSensor TypePart/ModelCost Wheel SpeedProximity SwitchAutomation Direct PD1-AP- 1A 4x $24.00 Shock PositionRotary PotentiometerNovotechnik SP28414x $69.00 AccelerationAccelerometer Analog Devices ADXL330Z$Free.99 Oil PressurePressure TransducerOmega 32B1-250GV$Free.99 Brake PressurePressure TransducerAshcroft T2 Series$ SteeringRotary PotentiometerNovotechnik SP2801$69.00 Radiator Temp.ThermistorBWD WT7072x $9.49 Total Cost$671.63* * A working system: Priceless

System Spec. – Sensor Network

Circuitry 2 Circuit Boxes: (Front/Rear) -Power distribution -Signal conditioning & filtering

Wiring Harness  Self-contained wiring system  24-gauge color-coded telephony cable  Screw-type connectors on sensors & boxes

System Spec. – Data Acquisition  NI CompactRIO 9012  Embedded microcontroller running LabVIEW real- time  64 MB DRAM memory  10/100BASE-T Ethernet port with embedded Web and file servers  9101 Chassis  Reconfigurable FPGA  4 module slots

System Spec. – Data Acquisition  Input Modules  9205 C-series analog input module ▪ 32 channel ▪ 0-10 VDC input range ▪ 16 bit resolution ▪ 250 kS/s  9401 digital I/O module ▪ 8 channel ▪ 100 ns ultra high speed digital I/O

System Spec. – Telemetry  Linksys b wireless broadband router with high gain antennae  10Base-T connection to cRIO  Wireless capabilities:  Real-time data monitoring  Remote LabVIEW configuration  Data FTP

System Spec. – Data Network

LabVIEW Real-time VI  DAQ start/stop  High speed logging  Real time monitoring  Controlled or autonomous execution  40min of logging time at 400Hz

LabVIEW Post-processing VI

Shakedown Testing 4/2/08, 4/8/08  Successful high-speed logging of all channels