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Critical Design Review Group 7 Jason Dumbaugh Artiom Bell Koltan Riley II

KIFT Knight Industries Five Thousand. Critical Design Review Group 7 Jason Dumbaugh Artiom Bell Koltan Riley II. UCF. SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE. Project Objectives. To build a fun, working Senior Design project that won’t break the bank.

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Critical Design Review Group 7 Jason Dumbaugh Artiom Bell Koltan Riley II

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  1. KIFT Knight Industries Five Thousand Critical Design ReviewGroup 7Jason DumbaughArtiom BellKoltan Riley II UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  2. Project Objectives • To build a fun, working Senior Design project that won’t break the bank. • To introduce a project that is useful to the military, as well as other government agencies. • To introduce a product that the everyday consumer will be able to use. • To learn the dynamics of as many electrical components as possible (Bluetooth, GPS, Microcontroller programming, sensors) UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  3. Inspiration Knight Rider’s K.I.T.T. had: • Turbo Boost – allowed KITT to reach speeds in excess of 200 MPH • Pursuit Mode – high-speed driving mode where KITT was in control of the car • Infrared Tracking Scope – allowed KITT to sense objects within 10 miles • Flame Thrower – Two flame throwers were located on KITT’s bumper UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  4. Key Design Objectives KIFTwill have: • A regular RC car motor, no 200 MPH speeds here. • Pursuit Mode – KIFT will be able to drive itself using GPS waypoints for guidance. • Tracking Scope – KIFT will be able to sense dangerous walls and other objects and maneuver around them. • Remotely controlled through a Bluetooth controller. • NO Flame throwers, they would melt KIFT. UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  5. Block Diagram Bluetooth Controller Bluetooth Module Sensor 1 Sensor 2 GPS Microcontroller Sensor 3 Sensor 4 Drive Train UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  6. Bluetooth Controller Playstation3 SIXAXIS • Bluetooth Capabilities • The Range of Motion within 30 ft. • SIXAXIS™ Technology • Battery Life ( 30 Hrs.) • Rechargeable (USB Charger) • High amount of input buttons UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  7. Chassis Selection Hitari K.I.T.T. • Replica of vehicle in Knight Rider • Cost Efficient for a RC Vehicle ($65 USD) • K.I.T.T. comes full assembled • Full assembly becomes difficult for modification in being able to manipulate the equipped circuit cards. UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  8. Chassis Selection Evader • relatively similar in size compared to K.I.T.T. • Reasonable cost for a Hobby RC Vehicle ($100 USD) • Due to the minimal use of Circuit cards used in the Evader, our necessary modifications can be easily made to the vehicle. • Ample space for our equipment. UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  9. Microcontroller Selection LPC2148 • 60MIPs ARM processor with 512k flash • Runs with simple robust protocol on UART, SPI, I2C • All FAT, USB, and peripherals are accessible from Java Programs • USB device • All I/O pins are 5 V tolerant • Enumerates as a USB mass storage UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  10. Microcontroller Dev Board Uberboard • Socket for EM-408 SiRF III GPS receiver • Socket for BlueSMiRF short range RF modem • Socket for micro SD card (up to 2GB) UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  11. Microcontroller Dev Board ALFATxp • Can be easily used with any microcontroller including PIC, AVR • 2 Serial Ports • More prototyping room • Supports MultiMedia Card (MMC) and Secure Digital • All features of the Uberboard • Java Virtual Machine • Unoccupied I/Os UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  12. GPS Selection EM-408 • SiRF III Chipset • 20-Channel Receiver • Extremely high sensitivity : -159dBm • 10m Positional Accuracy / 5m with WAAS • Hot Start : 8s / Warm Start : 38s / Cold Start : 42s • 75mA at 3.3V • 20gram weight • Outputs NMEA 0183 and SiRF binary protocol UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  13. Bluetooth Chip Selection STMicroelectronics GS-BT2416C1DB • Onboard USB port for easy programming • Integrated Antenna • Class 1: ~100m range • USB, UART, PCM, SPI • Low Power Consumption • Cheap ~$50 • One Problem… no HID profile! UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  14. Bluetooth Chip Selection Bluegiga WT32 • HID (Human Interface Device) profile and many others • Bluetooth 2.1 compliant • Integrated Antenna • Class 2: ~30m range • USB, UART, PCM, SPI • Low Power Consumption • Cheap ~$50 UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  15. Sonar Sensor Selection Devantech SRF05 • TTL Interface (0 and 1) • Min range: 3cm radial • Max range: 4m radial • 40kHz frequency • Easy to manipulate • Moderately priced ~$30 each • Need 4 sensors UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  16. Power Supply • Primary: Duratrax Starter Battery Pack require for the EVADER. • Secondary: designed to power the other electrical components of the vehicle (GPS, Bluetooth, Sensors, Microcontroller) • Voltage Regulator -LM7805 capable of maintaining output voltage between 5V-18V. LM317T capable of maintaining 1.2V-37V UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  17. Primary Power Supply Duratrax Starter Box Power Pak DTXP4600 • Consists:AC wall Charger, 2 1500mAh 7.2V 6 cell flat battery (Ni-Cd) packs . • Charger:Capable of fully recharging the battery pack in a 2-3 hour time frame. • Inexpensive ~$40 UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  18. Secondary Power Supply • Source: 9V Battery • Capable of providing the necessary constant voltages to the electrical components. • Constant Voltages to output 5V (LM7805) 3.3 V (LM 371T). UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  19. Wiring of the WT- 32 UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  20. Other Interfacing Aspects • GPS • Will be connected to the ALFATxp via UART 1 • Bluetooth • Will be connected to the ALFATxp via UART 2 multiplexed with UART 1 • Propulsion • The LPC will send out a PWM signal through two I2C ports for Left/Right and Forward/Reverse controls • Sensors • 5 GPIO ports will be used for sensors • The outbound V+ will be shared but each sensor will have an individual return line • Storage • The GPS waypoints will be saved on the SD card which will function as the unit’s Hard Drive UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  21. Testing • Stage 1 • Bluetooth LED Test • Movement Control Test using direct input from PC (No Bluetooth) • Stage 2 • Use Bluetooth to operate motion controls • GPS Coordinate Storage Test • Sensor Stopping Tests • Stage 3 • Waypoint finding test • Object Avoidance Algorithm Implementation • Integration of Object Avoidance and Waypoint finding UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  22. Projected Timeline • September: Manually pair onboard vehicle Bluetooth module with PS3 Controller. • Early October: Use PS3 Controller to drive KIFT and ensure proper button mapping and kill switches. • Late October: Trim GPS streams and ensure they’re properly saved into KIFT’s memory. • Early November: Program sensor data and produce object avoidance algorithm. • Mid-November: Incorporate object avoidance algorithms with Pursuit Mode. • Late November: Acquire final circuit board and install components. Final testing. UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  23. Kift’s finances UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  24. Project Completion % • Design- 80% • Parts Acquisition-80% • Programming-20% • Bluetooth communication-25% • GPS Communication-0% • Object Avoidance-0% • Prototyping-30% • Testing-0% • Documentation-70% • Overall-35% UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  25. Image Permissions The images in today’s presentation were reproduced with permission from: • Hitari, Inc. • Sparkfun Electronics • Acroname • STMicroelectronics UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

  26. Questions? KITT at CES 2009 in Las Vegas UCF SCHOOL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE

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