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ECE 477 Senior Design Team 7

ECE 477 Senior Design Team 7. Reliability and Safety Ben Horst Katie Taller Matt Klass Jacob Wyant. Safety and Reliability Issues. Communication between kiosk, micro, and database is inconsistent Servo motors don’t function as intended IR sensors / load cell don’t provide reliable data

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ECE 477 Senior Design Team 7

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  1. ECE 477 Senior DesignTeam 7 Reliability and Safety Ben Horst Katie Taller Matt Klass Jacob Wyant

  2. Safety and Reliability Issues • Communication between kiosk, micro, and database is inconsistent • Servo motors don’t function as intended • IR sensors / load cell don’t provide reliable data • Inventory items don’t fall correctly within the hopper • Conveyor belt movement is uncontrolled

  3. Components Likely to Fail • Freescale Coldfire 52233 • Step Down Voltage Regulator • N Channel 12V MOSFET • Low Dropout Regulator • Quad Operational Amplifier

  4. FMECA - Micro

  5. FMECA - Power

  6. FMECA – I/O

  7. Improvements • Construct the project out of a non-flammable material • Enclose the hoppers • Add hand guards to the conveyor belt • Add warning labels near moving parts

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