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Team 8:Recon Robot Safety and Reliability Analysis

Team 8:Recon Robot Safety and Reliability Analysis. Abhinav Valluru (presenter) Vinit bhamburdekar Arjun Bajaj Aabhas Sharma. Key Concerns. Reliability: Electronics for power supplies Motor control Microcontroller ,GPS and wireless transciever Safety: Batteries Burns

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Team 8:Recon Robot Safety and Reliability Analysis

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  1. Team 8:Recon RobotSafety and Reliability Analysis AbhinavValluru (presenter) Vinitbhamburdekar Arjun Bajaj Aabhas Sharma

  2. Key Concerns • Reliability: • Electronics for power supplies • Motor control • Microcontroller ,GPS and wireless transciever • Safety: • Batteries • Burns • Unexpected behavior

  3. Part failure risk • Heat • TB6612FNG H bridge • D24V6ALV step-down voltage converter • Complexity • PIC 32MX360F512L microcontroller • RN-131 G wireless transceiver

  4. FMECA Analysis: • Major injuries predicted • Most severe: burn injuries • Criticality Levels • Low: nuisance failure • Elevated: risk of additional part damage • High: definite part damage • “+I” Suffix: Chance of personal injury

  5. FMECA : Major concerns

  6. Steps to improve reliability • Minimize design weight • Less current draw from motors, low power dissipation • Longer battery life • Over-designing of power supplies • Exceed expected power & peak current ratings (20% or higher) • Lowest available temperature coefficients(C/W)

  7. Questions ?

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