P-REV Michael Connaboy Stephen Schiffli Ram Hudiara Win Than Aung.

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Presentation transcript:

P-REV Michael Connaboy Stephen Schiffli Ram Hudiara Win Than Aung

Safety and Reliability Issues Safety Issues Traction control failure Uncontrolled Acceleration Reliability issues Interference with wireless data transmission Noise from motors causing interference with circuitry

Most Likely to Fail PIC32 Microcontroller Intel Atom processor Power supply circuits

Component Failure – PIC32 No.Failure ModePossible CausesFailure EffectsMethod of Detection Criticality A1No response-3.3V Power Supply fails -Over heating -Failure of complete system -No Traction control -No data logging/transmission ObservationHigh

Component Failure- Intel Atom No.Failure ModePossible CausesFailure EffectsMethod of Detection Criticality B1Driver Display blank -Power Supply fails -Over heating -No data displayed to driver ObservationLow

Component Failure No.Failure ModePossible CausesFailure EffectsMethod of DetectionCriticality C13.3 V power Supply Failure Overheating Unexpected voltage spike Any component in the circuit could be bad Complete system fails due to Microcontroller being powerless Temperature sensor Throttle sensor ObservationHigh C25V Power Supply failure Overheating Unexpected voltage spike Bad component GPS sensor RPM sensor Traction control ObservationHigh C312 V Power supply failure Overheating Unexpected voltage spike Bad component Steering Angle sensor Atom Board Driver display ObervationMedium

Risk mitigation Extensive software testing Simulating low traction conditions during tests Electrical fail safe Mechanical fail safes

P-REV QUESTIONS ?