Go Beyond System Functional Testing To Ensure Safety

Testing alone is insufficient to ensure safety in critical systems. Other technical approaches and software development process management approaches must also be used to assure sufficient software integrity.Consequences:Relying...

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Fail-Safe Mechanisms Must Be Tested

Some systems base their safety arguments on the presence of “fail-safe” behaviors. In other words, if a failure occurs, the argument is that the system will respond in a safe way, such as by shutting down in a safe manner. If you have fail-safe mechanisms, you need to test them with a full range of...

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Peer Reviews and Critical Software

Every line of critical embedded software should be peer reviewed via a process that includes a physical face-to-face meeting and that produces an auditable peer review report.Consequences:Failing to perform peer reviews...

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