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EMRAM

EMRAM. INNOVATIONS. Mini-Sumo Project. Nick Enriquez Project Manager, MCU Programmer, PCB Design Christian Marquez Parts Requisition, Sensors, Programming Support Christopher Reyes Presentation Editor, Motors, Power Supply Support Catherine Acain Reports Editor, Power Supply, PCB support

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EMRAM

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  1. EMRAM INNOVATIONS Mini-Sumo Project

  2. Nick Enriquez Project Manager, MCU Programmer, PCB Design Christian Marquez Parts Requisition, Sensors, Programming Support Christopher Reyes Presentation Editor, Motors, Power Supply Support Catherine Acain Reports Editor, Power Supply, PCB support Isai Michel Webmaster, Body & Mechanics, Programming support EMARAM INNOVATIONSTeam Members:

  3. “The Juggernaut”

  4. PROJECT OVERVIEW • Mini-Sumo Competition • Design Specifications • 500g maximum weight • 10cm x 10cm maximum width and length • No destructive techniques • Our Design Approach • Robust Frame • High Torque • Simple but effective software implementation

  5. Body & Mechanics

  6. Track system • Sprocket • Idler • Tracks

  7. Finished goals • Chassis • Track traction system • Sprocket • Idler • Track • Coverings • Bumper • PCB and component mounting

  8. Vehicle demonstration

  9. Motors

  10. SERVO MODIFICATION

  11. Pulse Width & RPM Testing

  12. Sensors

  13. Photo Sensor • QRD1113 Reflective Object Sensors (Fairchild Semiconductors) • 4.36 V swing (4.59 V to 228 mV) from black to white surfaces • 1 V - Threshold

  14. Distance Sensors • 400 mV - Threshold

  15. Distance Sensors

  16. Power Supply

  17. Lithium Ion Polymer Battery • 3.7 V each • 7.6 V Total Provided • Light-Weight: 0.7oz. • Easy to Charge/ Recharge

  18. Voltage Regulation Schematic

  19. Battery & Power Supply Specs • Current Draw: 650mA – 750mA • Power: 4.94W-5.7W • Battery Rating: 800mAH • Actual Charge Rating: 780mAH • Avg. life (fully charged): 45 minutes

  20. Microcontroller &PCB Layout

  21. PRINTED CIRCUIT BOARD

  22. SYSTEM INTEGRATION

  23. MODE: Pull-Away Program Start YES Are we at the boundary? 5-second delay MODE: Turn and Seek NO Is enemy in range? NO YES MODE: Attack Algorithm Flowchart

  24. Freescale MC9S12C32 • Hardware: • Module Utilization • Programming via BDM Port • Removal of components • Software: • Delay function • 5-Second Start Delay • Line Sense Function • Phototransistors • Priority • ADC Threshold Value = 0x32 • IR Proximity Sensors • ADC Threshold Value = 0x15 • Motors • Utilizing PWM vs. Bit banging • Controlled by adjusting Duty Cycle

  25. Functional demonstration

  26. Project Scheduling & Budget

  27. GANTT CHART

  28. ‘BEFORE’ and ‘AFTER’

  29. Questions?

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