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DETACHABLE POTHOLE DETECTION AND WARNING SYSTEM

DETACHABLE POTHOLE DETECTION AND WARNING SYSTEM. Kwok Yu Mak Valentin Siderskyi Lamia Iftekhar. Existing work. Obstacle detection Mechanical Image processing Mostly protruded obstacles Auntonomous avoidance. Current needs. Pothole detection

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DETACHABLE POTHOLE DETECTION AND WARNING SYSTEM

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  1. DETACHABLE POTHOLE DETECTION AND WARNING SYSTEM Kwok Yu Mak Valentin Siderskyi Lamia Iftekhar

  2. Existing work • Obstacle detection • Mechanical • Image processing • Mostly protruded obstacles • Auntonomous avoidance

  3. Current needs • Pothole detection • for baby strollers, wheelchairs , grocery carts etc. • Warning system only - not autonomous control - wheelchair users prefer manual control - too risky for baby strollers

  4. Project Objective • To build a handy, detachable, user-friendly device that can be mounted on a variety of human-maneuvered slow-speed vehicles. Focus on : baby strollers

  5. Detection method • Attempt • Mechanical extension: bulky , already done • Laser sensors : too sensitive , costlier • Chosen - PING)))™ Ultrasonic Distance Sensor (#28015)

  6. Warning Method • Vibration Motor • Can be turned off if desired • LEDs • Two for obstacles • Two for battery levels • On/off • Battery meter • Using voltage divider

  7. Overall structure • System A attached to front of vehicle • System B worn on wrist

  8. Mechanical DesignSystem A

  9. Mechanical Design System A : close-up

  10. Mechanical Design System B

  11. Mechanical DesignSystem B: Vibrator Motor close-up

  12. Circuit of System B

  13. Circuit DiagramSystem A

  14. Circuit DiagramSystem B

  15. PBasic Code System A

  16. PBasic CodeSystem A

  17. PBasic CodeSystem B

  18. Prototype Cost

  19. Mass Production Cost Estimate

  20. CONCLUSION • Prototype was successful • Possible improvements • Smaller wrist part • Earlier detection of potholes.

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