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ECE 477 Final Presentation Team 6  Spring 2013

ECE 477 Final Presentation Team 6  Spring 2013. Outline. Project overview Block diagram Design challenges Individual contributions Project demonstration Questions / discussion. Project Overview. Android application as controller Robot vehicle with microcontroller

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ECE 477 Final Presentation Team 6  Spring 2013

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  1. ECE 477 Final Presentation Team 6  Spring 2013

  2. Outline • Project overview • Block diagram • Design challenges • Individual contributions • Project demonstration • Questions / discussion

  3. Project Overview • Android application as controller • Robot vehicle with microcontroller • Path is drawn in Android application and the vehicle will follow that path • Outdoor mode with GPS, Google Maps, Compass • Indoor mode with tilt control

  4. Block Diagram

  5. Design Challenges • Compass interference • Mu metal, transorbs, choke, physical separation • Printed circuit board very convoluted • Redesign, remove unnecessary components (recharge circuit) • GPS, compass, and Bluetooth potential interference • Space out as much as possible on PCB • Programs would randomly stop • Identified as an Mbed problem with the online compiler, fixed with LPCXpresso

  6. Individual Contributions • Team Leader – Alexander Curtis • Team Member 2 – Edward Kidarsa • Team Member 3 – PeachanokLertkajornkitti • Team Member 4 – Jun Pan

  7. Team Leader – Alexander Curtis • Schematic • Initial creation and revisions • Microcontroller code • Fuel gauge algorithm • Ultrasonic sensor & servo interrupts • Testing components • GPS, fuel gauge, motor control • Proposing short term goals, organization

  8. Member 2 – Edward Kidarsa • Created the printed circuit board • Multiple iterations as project progressed • Compass module (LSM303DLM) • Tilt compensation • Magnetometer and accelerometer values together • Interference issue • Outdoor mode algorithm • GPS and compass working together

  9. Member 3 – PeachanokLertkajornkitti • Android programming • Battery progress bar • Fuel gauge • Battery percentage • Accelerometer • Debugging, testing • Power circuitry, compass • Documentation • User manual, senior design report

  10. Member 4 – Jun Pan • Android programming • Bluetooth communication • Google maps, android map API • Microcontroller programming • Software framework • GPS parsing • Indoor & outdoor mode • Soldering • 100 pin microcontroller many times • Power circuitry, most IC’s

  11. Project Demonstration • The ability to send and receive encoded data to an from an Android device via Bluetooth. • The ability to control acceleration and direction of vehicle through Android device accelerometer. • The ability to navigate to a designated GPS coordinate with ~5m approximation. • The ability to monitor battery power. • The ability to detect obstacles and prevent forward movement until the obstacle is gone.

  12. Questions / Discussion

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