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AMPLINE

Control camera to follow puck using RF technology. Less expensive and despised FoxTrax alternative. Detailed implementation and components described.

nathanashley
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AMPLINE

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  1. AMPLINE Chad Nickell Sean Martin Chris Rothe Daniel Shay Nickell, Martin, Rothe, Shay

  2. Presentation Overview • Objectives • Approach • Sub-systems • Considerations and Upgrades • Schedule and Division of Labor • Economics Nickell, Martin, Rothe, Shay

  3. Description The Ampline System will control a camera to follow a hockey puck through a negative feedback loop. Nickell, Martin, Rothe, Shay

  4. Previous Implementations • FoxTrax- Used IR LEDs embedded in the puck and a multitude of sensors to locate and then illuminate the puck onscreen. Implementation required a separate “puck truck” to process the data. The system was expensive and widely despised by the hockey community. Nickell, Martin, Rothe, Shay

  5. Ampline Implementation • RF Transmitter embedded in puck • 3 RF receivers used for triangulation • Control system for camera position adjustment • Motor system with pitch and yaw adjustment Nickell, Martin, Rothe, Shay

  6. Camera and Receiver PUCK Nickell, Martin, Rothe, Shay Receivers

  7. System Overview Tripod Transmitter Motors Core Control Receivers Nickell, Martin, Rothe, Shay

  8. Transmitter • Produces a RF pulse with a designated code • Low power for extended battery life • Low cost per transmitter due to frequent loss of pucks • Low temperature operation • High G tolerance Nickell, Martin, Rothe, Shay

  9. System Overview Tripod Transmitter Motors Core Control Receivers Nickell, Martin, Rothe, Shay

  10. Receivers • Receive the RF code from the transmitter • Output data corresponding to a position or direction vector Nickell, Martin, Rothe, Shay

  11. System Overview Tripod Transmitter Motors Core Control Receivers Nickell, Martin, Rothe, Shay

  12. Control System • Gets data from receivers • Process time data • Output camera movement data • Control receiver synchronization Nickell, Martin, Rothe, Shay

  13. System Overview Tripod Transmitter Motors Core Control Receivers Nickell, Martin, Rothe, Shay

  14. Motor/Camera Assembly • Mounting tripod for camera • Motors for adjusting camera angle Nickell, Martin, Rothe, Shay

  15. Considerations • Size of transmitter - less than 2.25 in2 • Environment – Pucks stored at 0°C • Battery Life • High G-forces – Upwards of 100 G • RF interference • Motor speed/Camera response • Stability of camera Nickell, Martin, Rothe, Shay

  16. Risks • RF signal doesn’t provide necessary voltage resolution • Motors not fast enough to keep up • Inability to overcome RF interference • Implementation of transmitter inside of puck (power) Nickell, Martin, Rothe, Shay

  17. Contingency Plans • Shift to an angular triangulation method • Track at low speed • Track puck on a computer screen • Increase power of transmitter at expense of real world functionality Nickell, Martin, Rothe, Shay

  18. Additional Upgrades • Definition of playing area for detection of goals and puck leaving the ice • Java Applet for web based puck tracking • “Per player” RF transmitters for tracking player movement Nickell, Martin, Rothe, Shay

  19. Tasks • Power • Core microprocessor • Transmitter/Receiver • PCB • Software development • Motor Control • Mechanical design of tripod Nickell, Martin, Rothe, Shay

  20. Schedule Nickell, Martin, Rothe, Shay

  21. Division of Labor • Chad • Motor Control • Power • Daniel • Core microprocessor • Transmitter/Receiver • PCB • Sean • Lead software development • Mechanical design of tripod • Chris • Core microprocessor • Motor control Nickell, Martin, Rothe, Shay

  22. Marketability • National Hockey League television ratings are low, a fact often attributed to a lack of watch ability. • Increase watchablility, therefore, increase ratings. • Ratings=money. Example: NFL TV contracts total around $6 Billion. • Also expandable to other sports and applications. • Web based expansion would be marketable to online sports sites (ESPN.com, sportsline.com, etc). Nickell, Martin, Rothe, Shay

  23. Cost Estimates Description Price Quantity Total • Processor Motorola 68000 12.00 1 12.00 • Transmitter 12.00-35.00 1 12.00-35.00 • Receiver 15.00-50.00 3 45.00-150.00 • Motors 15.00-50.00 2 30.00-100.00 • All Misc Components 60.00-100.00 1 60.00-100.00 • Total 169.00-397.00 • Potential Return on Investment • Profit per puck $10 • Profit per system $1,000,000 • Profit for idea $1,000,000 • Total Profit $50,000,000 Nickell, Martin, Rothe, Shay

  24. Questions? Nickell, Martin, Rothe, Shay

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