Autonomous rescue vehicle team 10
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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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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

    -Six-wheel chassis to frugged terrain

    -Communication between the lost person and the robot with RF module


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)


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


Microcontroller:


H-bridge:


Voltage Regulator:


FMECA Chart (Microcontroller failure)


Microcontroller Schematics


FMECA Chart (H-bridge failure)


H-bridge schematics


FMECA Chart (Regulator failure)


Power supply schematics


Questions?


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