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Team 28 (S.P.O.C.)

Team 28 (S.P.O.C.). Solar Power Optimized Cart. Team Members. Cameron Boozarjomehri Computer Engineer Team Leader Jacob Bitterman Electrical Engineer Hardware Lead (Leader of a way team) William Ellett Computer Engineer Software Lead (redshirt 1) Zaza Soriano Team Mentor

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Team 28 (S.P.O.C.)

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  1. Team 28 (S.P.O.C.) Solar Power Optimized Cart

  2. Team Members • Cameron Boozarjomehri • Computer Engineer • Team Leader • Jacob Bitterman • Electrical Engineer • Hardware Lead (Leader of away team) • William Ellett • Computer Engineer • Software Lead (redshirt 1) • Zaza Soriano • Team Mentor • Consultant (Supreme Overlord) • Dr. Richie • Being a Swell Guy • Sponsor • Duke Energy

  3. Motivation • Desire to work with Solar Technology • Interested in transportation project • Environmental conservation interests • Have an excuse to drive a golf cart to and from campus

  4. Current Methodology (TESLA Supercharger) • Electric car using charge stations • Cost: $62,400 (1,170 for Vehicle Dock) • Super Charge station incorporate PV cells (Separate Assembly)

  5. Current Methodology (UCF ZENN) • Zero Emission No Noise • Electric Car modified with a PV array • Cost: $15,995 (just car, no integrated PV hookup) • Range of 35 Miles

  6. Objectives • Electric vehicle • Powered solely by photovoltaic cells • Able to charge while driving • Vehicle drive modes to control performance • Performance mode • Balanced mode • Eco mode • Clearly display vehicle information to user • Use a simple User Interface to allow users to manipulate the vehicle

  7. Specifications • Cart can reach top speeds in excess of 10 miles per hour • Considered normal for this model cart • Cart will have parallel charging circuits • Vehicle load capacity of 700lbs (including passengers and all components) • Charge from no energy in 6 hours during optimal sunlight exposure [Stretch Goal]

  8. Specification Cont. • Rear panel adjustable with 80º of freedom to optimize solar energy collection • Optimization system that suggests best panel angle to within 5º • User Interface • Displays current drive mode (Performance, Balanced, Eco Boost) • Display energy absorption rate in watts to nearest watt • Battery charge percentage accurate to nearest whole percent • Stretch Goals: • Display current maximum range in miles +/- 1 mile • Display speed in mph to nearest 1/10th of a mile

  9. Goals/Specifications of Drive Mode • All drive modes have emergency shutoff to protect cart components

  10. Overall Block Diagram Solar Panels MPPT/ Converter Batteries Micro-Controller Onboard Display Motor

  11. Component positioning (Side) Solar Panels 5’ 4” Display Microcontroller Housing 5’ 7.5” Battery/ Buck Converter Housing *Banana for Scale 7’ 9.5”

  12. Component positioning (Back) 3’ 11” 3’ 3” Microcontroller Housing 5’ 4” 5’ 7.5”

  13. Vehicle (Golf Cart)

  14. Photovoltaic Optimization Solar Panels MPPT/ Converter Batteries Micro-Controller Onboard Display Motor

  15. Solar (Photovoltaic) Panel

  16. Microcontroller

  17. Printed Circuit Board Schematic

  18. Printed Circuit board

  19. MPPT Design DC-DC converter DC-DC converter

  20. Buck Converter overview Off-state On-state

  21. Buck Converter

  22. Component positioning (Batteries) Thermal Sensors 18 Volts per circuit Thermal Sensors

  23. Battery

  24. Additional Sensors 33mm 18mm

  25. Drive Circuit Solar Panels MPPT/ Converter Batteries Micro-Controller Onboard Display Motor

  26. Standard Mode Drive Modes Eco Boost Mode Performance Mode

  27. Relay Diagram SPDT SPST SPDT Converter SPDT SPST SPST SPDT Converter SPDT

  28. Relay Driver Schematic

  29. Relays and Diode 33mm

  30. User Interface Solar Panels MPPT Batteries Micro-Controller Onboard Display Governor/Motor

  31. Component positioning (Dash Board) B0 B1

  32. User Display

  33. User Display “Eco Mode Max Range” “Balance Mode AvgRng & Spd” “Performance Mode Max Speed” B1 B1 B1 Hold B0 & B1: Cycle Cart Info Hold B1 Release B1 Battery Power Input and Charge Panel Output & Efficiency Current Drive Mode Battery Temperatures F/C B0 B0 B0 Program start B0

  34. Panel Adjustment control

  35. Project Budget

  36. Stretch Goal • Bluetooth: • Redundant Data Distribution from display to phone • PV Optimization using GPS • Suggest parking position to improve vehicle charge time • Displayed Via OLED • Motor Control • Limiting Acceleration to maximize range • Controlled by the Microcontroller • Data Displayed • Current Speed • Maximum Range in each drive mode

  37. Questions?

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