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Team Gary

Team Gary. Dan Farley Tyson Rogstad Erik Flum Rob Koch Gary Zigmann. Background Information. Pat Teehan developed the MARV platform to be used by future Electromechanical students for their miniprojects.

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Team Gary

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  1. Team Gary Dan Farley Tyson Rogstad Erik Flum Rob Koch Gary Zigmann

  2. Background Information • Pat Teehan developed the MARV platform to be used by future Electromechanical students for their miniprojects. • MARV is controlled by a HC12 microcontroller, a Scorpion XL motorcontroller and two drive motors. • The frame is constructed of 8020 extruded aluminum which allows easily assembly and alteration.

  3. Problem Statement MARV2 is in an empty room. When MARV2 senses its battery is low, it needs to autonomously recharge its battery.

  4. Solution Statement Using a mechanical switch to simulate a battery low condition, our software sends MARV2 into a search routine where it aims to detect an infrared emitter. The direction of both motors will be determined by the output voltage of two infrared sensors mounted on one side of the unit.

  5. System Overview DockingStation AC to DC IR Emitter Battery Microcontroller Motorcontroller MARV IR Receiver Electrical Probe

  6. MARV Finding Docking Station Battery Voltage Is Low, IR Receivers Activated, MARV Spins

  7. MARV Finding Docking Station Receiver Detects IR Emission

  8. MARV Finding Docking Station MARV Spins Until Both Receivers Are Equal

  9. MARV Finding Docking Station Microcontroller compares rear sensor to front sensor

  10. MARV Finding Docking Station MARV Reaches Docking Station, Probes Touch Electrical Connection

  11. Mechanical Design of Docking Station A/C to DC IR Controls Wood Base Alignment Brackets For IR Emitters Electrical Connection Vertical Supports

  12. Mechanical Design of Probes

  13. Code Flow Chart Battery Low Check Buttons Vlow On Spin Left Front Sensors Not Equal Stop Button Pressed Compare Front Sensors Stop Front Sensors Equal Compare Front and Rear Sensor Rear Sensor Greater Than or Equal to Front Sensor Front Sensor Greater than Rear Sensor Drive Straight 350 ms Go Straight

  14. Emitter Circuitry

  15. Oscillator Waveform

  16. Charging Circuit

  17. Personnel Assignments TYSON Sensors & Emitters ERIK Power Supply ROB Sensors DAN Software GARY Software

  18. Solution Statement • Use mechanical switch to simulate voltage low condition • Sends MARV into search routine, where it aims to detect a light source • Motors controlled by output voltages of sensors mounted on front and rear

  19. Work Breakdown Structure

  20. Questions?

  21. Budget

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