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Pedro Pagan-Ortiz

Pedro Pagan-Ortiz. RELIABILITY ON AUTOMOBILE TIRES. GO ONLINE. Problem Description Methodologies Statistical Approach Non-Statistic Approach Conclusions. Agenda. Problem Description. Using M.C, Excel, Minitab, Maple. Calculate: MTTF, MRL after 70K miles, F,R distributions.

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Pedro Pagan-Ortiz

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  1. Pedro Pagan-Ortiz RELIABILITY ON AUTOMOBILE TIRES GO ONLINE

  2. Problem Description Methodologies Statistical Approach Non-Statistic Approach Conclusions Agenda

  3. Problem Description Using M.C, Excel, Minitab, Maple. Calculate: MTTF, MRL after 70K miles, F,R distributions

  4. Methodologies Statistical ApproachMinitab Table of MTTF Distribution Mean Weibull 74,139.9 Smallest Extreme Value 69,403.9 z SEV z Weibull

  5. Methodologies Statistical ApproachMonte Carlo & Maple

  6. Methodologies Non-Statistic ApproachFMECA / Pareto

  7. Conclusions Using M.C, Excel, Minitab, Maple. Calculate: MTTF, MRL after 70K miles, F,R distributions • Statistical Results • MTTF Weibull 72,860 • MTTF SEV 69,934 • MRL(70k) W 26,400 • MRL(70k)SEV 12,552 • FMECA • Check Tires once a month for • Under-inflation • Overloading • Over-inflation • Structural Defects • Excessive Speed • Impact/Road Hazards • Wear GO ONLINE

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