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Smart Home Enhancement Suite for Personalized Automation

Learn about the criticality levels in design, components under consideration, and PSSCs for advanced user detection, light adjustment, device control, door unlocking, and settings saving. Explore reliability and safety analysis on power supply, microcontroller, and Ethernet systems.

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Smart Home Enhancement Suite for Personalized Automation

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  1. Home Enhancement Suite • Presenter: Allen Humphreys • William Bouchonnet, Daniel Sabo, Nathan Irvin

  2. Summary • Definition of Design’s Criticality Levels • Components Under Consideration • Failure Modes, Effects, and Criticality Analysis

  3. PSSCs • An ability to detect a user based on RFID and determine which user has priority, displaying the user's identity on an LCD. • An ability to adjust the light intensity to match a user’s settings through X-10 protocol. • An ability to adjust a television set or other HDMI device using CEC-HDMI protocol, to a user's preferred settings. (ON/OFF, Channel, Volume) • An ability to unlock a door when an acceptable RFID is present. • An ability to select/set preferred settings through an embedded web server and the ability to save the "light settings" with the press of a button.

  4. Reliability & Safety Analysis

  5. Reliability & Safety Analysis • High Criticality • Potential Harm to User • Medium Criticality • Irreparable Damage • Low Criticality • Inconvenience, single feature failure

  6. Reliability & Safety Analysis • Power Supply System • Heat • Microcontroller System • Die Complexity • Failure Rate C1 = .56 for 32-bitµC • Ethernet System • Component Complexity • 29 Passive Components

  7. Power Supply

  8. FMECA Analysis – Power Supply

  9. Microcontroller

  10. FMECA Analysis - Microcontroller

  11. FMECA Analysis - Ethernet

  12. Questions?

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