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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 sReliability and Safety AnalysisWireless Biometric Sensor
  • ECE 477 - Spring 2013
  • TEAM 13
  • Presenter: Yi Shen
  • Team Members: AakashLambaDi MoShantanu JoshiYi ShenProject OverviewPrototype of a portable wireless biometric sensor Battery-powered device with fuel gaugeMounted on the wrist Monitor vital signs such as pulse rate, SpO2 and skin temperature Transmit the information via Wi-Fi for remote web accessNFC chip allows immediate access Accelerometer on the shoulder for fall detection Manual and automatic alarm system.Block DiagramDefinition 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
  • Components Failure Analysis
  • Microcontroller: Atmel – ATmega 1284
  • Light-To-Frequency Converters: TAOS – TSL230RD
  • Charger/Booster: Charger – MC73831
  • Boost Converter – TPS61200Microcontroller: Atmel – ATmega 1284Light-To-Frequency Converters: TAOS – TSL230RD Charger – MC73831 Boost Converter – TPS61200Schematic: Section BreakdownMicrocontrollerSensorsExternal InterfacesPower and Battery ManagementFMECA ChartMicrocontroller: Atmel – ATmega 1284FMECA Chart
  • Light-To-Frequency Converters:
  • TAOS – TSL230RD
  • FMECA Chart
  • Charger – MC73831
  • FMECA Chart
  • Boost Converter – TPS61200
  • Questions?
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