Appendix F: FMECA Worksheet Failure Failure Mode Possible Causes Failure Effects Method of Criticality Remarks No. Detection A1 Output stuck open Error from Motors Observation Low Inconvenient, not microcontroller or unresponsive dangerous stepper drivers; part failure A2 Output stuck Error from Power MOSFETs Observation High Dangerous to user closed microcontroller or source 1A current stepper drivers; part constantly; could failure cause combustion Figure F-1: FMECA Table for Power MOSFETs
Appendix F: FMECA Worksheet Failure No. Failure Mode Possible Causes Failure Effects Method of Detection Criticality Remarks A1 Output stuck open Error from microcontroller or stepper drivers; part failure Motors unresponsive Observation Low Inconvenient, not dangerous A2 Output stuck closed Error from microcontroller or stepper drivers; part failure Power MOSFETs source 1A current constantly; could cause combustion Observation High Dangerous to user Figure F-1: FMECA Table for Power MOSFETs
hw15_team_20_final_report_x.docx