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Gyro Cat Toy Ahmad Danesh Robert Grant Di Xu

Gyro Cat Toy Ahmad Danesh Robert Grant Di Xu. Overview. Introduction The Gyro Cat Toy Test Results and Analysis Marketability Q&A. The Team. Robert Grant – President & CEO Ahmad Danesh – CFO & CMO Di Xu – CTO & COO. The Problem. Cat’s require sufficient exercise

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Gyro Cat Toy Ahmad Danesh Robert Grant Di Xu

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  1. Gyro Cat Toy Ahmad DaneshRobert GrantDi Xu

  2. Overview • Introduction • The Gyro Cat Toy • Test Results and Analysis • Marketability • Q&A

  3. The Team • Robert Grant – President & CEO • Ahmad Danesh – CFO & CMO • Di Xu – CTO & COO

  4. The Problem • Cat’s require sufficient exercise • Decreases risk of diseases • People carry out busy lives • Existing toys are insufficient • Not interactive • Not automated • Short life span

  5. Our Vision • Automated Cat Toy • No Human Input

  6. Possible Solutions • Mechanical configuration

  7. Possible Solutions • Proximity Sensors • Magnetism • Ultrasonic • Infrared • RF

  8. Possible Solutions • Force Sensors • Accelerometer • Spring jerk sensor

  9. Possible Solutions • Controller • Microcontroller • PIC • Digital Hardware Logic

  10. System Components

  11. Sensors • RF Transmitter and Receiver • Low power • Short range transmission • Low cost • Jerk Sensor • Low power • Low cost • High sensitivity

  12. Actuators • DC Motor • Low power • High torque • Low cost • H-Bridge • 3V operation • Low power • Low cost

  13. Controller • Microcontroller • Standby current • Operational current • Low cost • I/O pins • Processing Power

  14. Pulse Generator • Duty Cycle • Generation 1 • 555 timer • Problem Encountered • Generation 2 • Lower power digital logic

  15. TXM-418-LC • Circuit Design • No external circuits needed • Output Power Level Adjust • Problems Encountered • Antenna • Optimum • Different types

  16. RXM-418-LC-S • Circuit Design • No external circuits needed • Low Power Sleep Mode • Antenna • Problems Encountered • Pulse Recognition

  17. RF Range Testing • Omni-directional Transmission • 3 Transmitter Antennas • Power Level vs. Range • Problems Encountered

  18. MC68HC908QT4 • Attractive Properties • Interrupt Driven State Machine • Assembly Language • Evaluation Board • Problem Encountered

  19. Software

  20. Jerk Sensor • Spring • Pin • Problems Encountered • Pulse Widener • Software Solution • KB interrupt • Input Capture

  21. H-Bridge • Generation 1 • Circuit design using 8 transistors • Generation 2 • Fairchild FAN8200D

  22. Motors • DC Motor • Low torque • High current • Geared Motor • High torque, lower current • Problems Encountered • High current reset of MCU

  23. Final Prototype • Collar Piece

  24. Final Prototype • Toy Ball

  25. Final Design • Toy demo

  26. Functional Analysis • Ball Requirements • 2 days operation without battery replacement • Major axis <12cm • Minor axis <7cm • Powered by 3VDC • Velocity of 35cm/s

  27. Functional Analysis • Collar Requirements • Powered by 3VDC • Functional for 695 days without battery replacement • 60cm range for RF – fully adjustable

  28. Timeline

  29. Costs • Prototype: Budget Spent • Microcontroller $ 15 $ 15 • Sensors $ 15 $ 210 • Actuators $ 5 $ 70 • Enclosure $ 10 $ 10 • Batteries $ 5 $ 10 • MCU Programmer $ 400 $ N/A • RFID Programmer $ 400 $ N/A • Misc $ N/A $ 60 • Total: $ 850 $ 375

  30. Costs • Estimated Production Cost (current design) • Microcontroller $ 0.99 • RF Transmission $ 17.00 • H-Bridge $ 0.21 • Motor $ 4.00 • Enclosure $ 4.00 • Batteries $ 1.00 • Total: $ 27.20

  31. The Market • Over 80 million cats in North America • 80% cat owners buy presents • Trends toward healthy lifestyle

  32. Future Improvements • Self designed RF transmission • Cheap additions • Ultrasonic • Magnetism • Infrared • Smaller design • Stronger and faster

  33. Q&A • Any Questions?

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