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Reliability and Safety Analysis

Reliability and Safety Analysis. Team 12: Android Street Car Zongyang Zhu. Components Chosen. NXP LPC1768 ARM-M3 32bit microcontroller TI TPS62160 Step-down Converter L298 Dual H-Bridge. Microcontroller. Power Supply. Motor Control. Criticality Levels. High Criticality

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Reliability and Safety Analysis

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  1. Reliability and Safety Analysis Team 12: Android Street Car Zongyang Zhu

  2. Components Chosen • NXP LPC1768 ARM-M3 32bit microcontroller • TI TPS62160 Step-down Converter • L298 Dual H-Bridge

  3. Microcontroller

  4. Power Supply

  5. Motor Control

  6. Criticality Levels • High Criticality • Possibility to cause injuries • Acceptable mean failure rate 10-9 • Medium Criticality • Overheating of components • Acceptable mean failure rate 10-7 • Lower Criticality • Failure is easily recoverable • Acceptable mean failure rate 10-6

  7. Schematic – Power Supply

  8. Schematic - Microcontroller

  9. FMECA - Microcontroller

  10. FMECA - Others

  11. Questions?

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