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V i t a l i s

V i t a l i s. Reliability and Safety Analysis. Wireless Biometric Sensor. ECE 477 - Spring 2013 TEAM 13 Presenter: Yi Shen. Team Members: Aakash Lamba Di Mo Shantanu Joshi Yi Shen. Project Overview. Prototype of a portable wireless biometric sensor

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V i t a l i s

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  1. V i t a l i s Reliability and Safety Analysis Wireless Biometric Sensor • ECE 477 - Spring 2013 • TEAM 13 • Presenter: Yi Shen Team Members: AakashLamba Di Mo Shantanu Joshi Yi Shen

  2. Project Overview Prototype of a portable wireless biometric sensor Battery-powered device with fuel gauge Mounted on the wrist Monitor vital signs such as pulse rate, SpO2 and skin temperature Transmit the information via Wi-Fi for remote web access NFC chip allows immediate access Accelerometer on the shoulder for fall detection Manual and automatic alarm system.

  3. Block Diagram

  4. Definition of Criticality Levels • High Criticality • Involves injury to the user • Causes system not operable • Failure rate of or less is acceptable • Medium Criticality • Does not present direct harm to the user • Renders system unusable • Failure rate of or less is acceptable • Low Criticality • Potential harm to the user / Causes inconvenience to user • Failure rate of or less is acceptable

  5. Components Failure Analysis • Microcontroller: Atmel – ATmega 1284 • Light-To-Frequency Converters: TAOS – TSL230RD • Charger/Booster: Charger – MC73831 Boost Converter – TPS61200

  6. Microcontroller: Atmel – ATmega 1284

  7. Light-To-Frequency Converters: TAOS – TSL230RD

  8. Charger – MC73831

  9. Boost Converter – TPS61200

  10. Schematic: Section Breakdown Microcontroller Sensors External Interfaces Power and Battery Management

  11. FMECA ChartMicrocontroller: Atmel – ATmega 1284

  12. FMECA Chart • Light-To-Frequency Converters: • TAOS – TSL230RD

  13. FMECA Chart • Charger – MC73831

  14. FMECA Chart • Boost Converter – TPS61200

  15. Questions?

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