Your Reliability Engineering Professional Development Site
One way to create a robust product or system is to consider all the stresses and design to withstand those stresses. We often do not know all the stresses, magnitudes, and ranges of variation. We know that many materials degrade with time, yet we do not know precisely how much or how fast. We also do not know what new stresses may arise or how stresses will change over time.
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Is a reliable product safer? Are the safety elements of a product or system independent of its reliability performance? These and other questions speak to the complex relationship between reliability and safety.
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Some products and systems are just dangerous, inherently. Understanding inherent safety-related risks permits a team to design out or mitigate those risks. Hazard analysis is the systematic process of identifying and controlling safety risks.
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