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Autonomous Rescue Vehicle (Team 10)

Autonomous Rescue Vehicle (Team 10). Safety & Reliability Presentation By Ruiyang Lin. Project Overview. A robot that can detect the location of a lost person and navigate towards him/her by itself - Location detection with a GPS receiver

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Autonomous Rescue Vehicle (Team 10)

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  1. Autonomous Rescue Vehicle(Team 10) Safety & Reliability Presentation By Ruiyang Lin

  2. Project Overview • A robot that can detect the location of a lost person and navigate towards him/her by itself - Location detection with a GPS receiver - Six-wheel chassis to frugged terrain - Communication between the lost person and the robot with RF module

  3. Criticality Definition • High: system not operable (unable to find the lost person, permanent damage to the device) • Medium: unable to retrieve the device (can find the person but unable to come back) • Low: system functional but inconvenient for users (takes longer to find the lost person, battery dies half way)

  4. Components selected • Microcontroller: PIC32MX120F032B - Most complex IC - Most critical component • H-bridge: TLE5206 - Under stress because of heat and switching - Highest failure rate • Voltage Regulator: LM1117 - Temperature might get high when all components are operating

  5. Microcontroller:

  6. H-bridge:

  7. Voltage Regulator:

  8. FMECA Chart (Microcontroller failure)

  9. Microcontroller Schematics

  10. FMECA Chart (H-bridge failure)

  11. H-bridge schematics

  12. FMECA Chart (Regulator failure)

  13. Power supply schematics

  14. Questions?

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