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FAA tests spur a fundamental software redesign of Boeing 737 MAX flight controls
- jonbaer 7y ago"A neutron hitting a cell on a microprocessor can change the cell’s electrical charge, flipping its binary state from 0 to 1 or from 1 to 0. The result is that although the software code is right and the inputs to the computer are correct, the output is corrupted by this one wrong bit."
- kejaed 7y agoAlso known as a Single Event Upset in the industry. https://en.wikipedia.org/wiki/Single_event_upset https://en.wikipedia.org/wiki/Single_event_upset
- kejaed 7y agoAs someone who works in this field I have to say this is a really well written article. Discussing topics like Design Assurance Level and failure condition classification(major vs catastrophic), Single Event Upsets (bit flips), safety assessments in a really clear and well written way.