Architecture of safety-critical systems

Safety-critical systems are embedded systems that could cause injury or loss of human life if they fail or encounter errors. Flight-control systems, automotive drive-by-wire, nuclear reactor management, or operating room heart/lung bypass machines naturally come to mind. But devices as common as the power windows in your car are also safety-critical, once you imagine a small child reaching out of the car window at a fast food drive-through to get another packet of ketchup and accidentally leaning on the control switch making the window shut on the child's arm, or worse.

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by David Kalinsky