ID Risk Item Effect Cause Action to Minimize Risk Owner Severity Likelihood Importance Risks Involved with /Charging System Poor battery sizing, excessive Proper battery sizing, means to 6 failure/destruction Total system failure 2 3 6 Fahad heat bypass battery Keep components insulated and Excessive heating to Electrical components distant from heat. Simplify design 7 System Failure components. Complicated 2 3 6 fail/overheat to incorporate as little components design. as possible. Components not sized Design system in insulated location Faulty design of 8 System failure properly or break due to 2 3 6 / In depth analysis of design Tom/Fahad control system overheating from fire requirements. Fan won't start Poor battery sizing, too little Size the battery more accurately 9 doesn’t charge immediately. Aux. current to battery, battery 2 2 4 through better testing. Allow TEG Fahad device won't charge. malfunction to charge aux device. Test battery many times to ensure Fan won't too small and doesn't hold charge is held. Incorporate an LED 10 is drained immediately. Aux. charge well. Excessive user 3 1 3 Fahad warning system to tell user that device won't charge. interaction battery is drained. ID Risk Item Effect Action to Minimize Risk Severity Likelihood Importance Risks Involved with Fan Fan produces Forced air unable to Poor modeling/testing of Increase flow rate, Provide more 11 insufficient pressure 2 2 4 Jared reach fire stove power to fan. drop Testing to correctly estimate Loss of airflow, main Fan placed too close to stove, 12 Fan melts 1 3 3 temperatures at proposed Jared system failure stove heat estimated location Fan will drain power Fan requires too Poor fan selection or design, Apply margin on battery size or 13 from battery, 1 2 2 Jared much power fan failure fan sizing overdraw TE
ID Risk Item Effect Cause Likelihood Severity Importance Action to Minimize Risk Owner Risks Involved with /Charging System 6 failure/destruction Total system failure Poor battery sizing, excessive heat 2 3 6 Proper battery sizing, means to bypass battery Fahad 7 Electrical components fail/overheat System Failure Excessive heating to components. Complicated design. 2 3 6 Keep components insulated and distant from heat. Simplify design to incorporate as little components as possible. 8 Faulty design of control system System failure Components not sized properly or break due to overheating from fire 2 3 6 Design system in insulated location / In depth analysis of design requirements. Tom/Fahad 9 doesn’t charge Fan won't start immediately. Aux. device won't charge. Poor battery sizing, too little current to battery, battery malfunction 2 2 4 Size the battery more accurately through better testing. Allow TEG to charge aux device. Fahad 10 is drained Fan won't immediately. Aux. device won't charge. too small and doesn't hold charge well. Excessive user interaction 3 1 3 Test battery many times to ensure charge is held. Incorporate an LED warning system to tell user that battery is drained. Fahad ID Risk Item Effect Likelihood Severity Importance Action to Minimize Risk Risks Involved with Fan 11 Fan produces insufficient pressure drop Forced air unable to reach fire Poor modeling/testing of stove 2 2 4 Increase flow rate, Provide more power to fan. Jared 12 Fan melts Loss of airflow, main system failure Fan placed too close to stove, stove heat estimated 1 3 3 Testing to correctly estimate temperatures at proposed location Jared 13 Fan requires too much power Fan will drain power from battery, overdraw TE Poor fan selection or design, fan failure 1 2 2 Apply margin on battery size or fan sizing Jared
Detailed_Design_Review_V2_Preread.docx