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TCSP – Reliability and Safety

TCSP – Reliability and Safety. Reliability Analysis. Major component chosen for analysis: Switching Regulators (LM2679SD-5.0, LM2679SD-3.3) Hottest running components Microcontroller (MCS12A64CFUE) Most complex component Quad 2 to 1 Multiplexer (SN74CBT3257) Failure leads to crashing

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TCSP – Reliability and Safety

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  1. TCSP – Reliability and Safety

  2. Reliability Analysis • Major component chosen for analysis: • Switching Regulators (LM2679SD-5.0, LM2679SD-3.3) • Hottest running components • Microcontroller (MCS12A64CFUE) • Most complex component • Quad 2 to 1 Multiplexer (SN74CBT3257) • Failure leads to crashing • Linear Amplifiers for thermopiles (AD8626) • Failure would cause unstable flight, possibly crashing

  3. FMECA Criticality Levels • High – Could cause personal injury • Medium – Inhibits ability to fly autonomously • Low – Inhibits ability to take photos or other inconveniences

  4. FMECA Block A - Microcontroller

  5. FMECA Block A - Microcontroller

  6. FMECA Block B - Regulators

  7. FMECA Block B - Regulators

  8. FMECA Block C – Radio and Servos

  9. FMECA Block C – Radio and Servos

  10. FMECABlock D – Thermopile Amplifiers

  11. FMECABlock D – Thermopile Amplifiers

  12. FMECA Block E – GPS and MicroSD

  13. FMECA Block E – GPS and MicroSD

  14. FMECA Block F – Camera and LCD

  15. FMECA Block F – Camera and LCD

  16. Questions?

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