To guard against common-mode failure, the two processors are oriented at 90° to one another, and a two-cycle delay is introduced in the signals before comparison. (Image courtesy of Texas Instruments.)
Sounds like TI built up a pretty impressive, layered diagnostic and self-testing architecture for this MCU series. Is this kind of layered approach common or is this a capability that's fairly unique to the Hercules line? If so, seems like it would give TI quite a competitive edge.
And when dealing with saftey cost is geneally less of an issue. Great article by the way as well. Often saftey is so focused on the mechanical that the electrical can be missed. Much less individual components within the electrical system.
Most cyber attacks could be avoided by adopting a list of Critical Security Controls that were created by the Center for Internet Security. That’s the message from Steve Mustard of the Automation Federation.
George Leopold's talk at last week's Design & Manufacturing Minneapolis helped restore astronaut and engineer Gus Grissom's role in the beginnings of NASA, and outlined how Grissom played a pivotal role in winning the Space Race.
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