Archives For automation

Recent work in complexity and robustness theory for engineered systems has highlighted that the architecture with which these systems are designed inherently leads to ‘robust yet fragile’ behavior. This vulnerability has strong implications for the human operator when he or she is expected to intervene in response to the failure of system.

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The effective use by humans of any transport system is a critical success factor in the development of such systems. Careful consideration of the interaction of ergonomic and functional design with the physical and cognitive capabilities and limitations of crew, passengers and maintainers is essential to assure safe, effective and profitable rail operations.

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So far as we know flight AF 447 fell out of the sky with its systems performing as their designers had specified, if not how they expected, right up-to the point that it impacted the surface of the ocean.

So how is it possible that incorrect air data could simultaneously cause upsets in aircraft functions as disparate as engine thrust management, flight law protection and traffic avoidance?

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Ariane 501 Launch

I was cleaning up some of my reference material and came across a copy of the ESA board of investigation report into the Ariane 501 accident. I’ve added my own personal observations, as well as those of other commentators, to the report. Continue Reading…

Recent incidents involving Airbus aircraft have again focused attention on their approach to cockpit automation and it’s interaction with the crew.

Underlying the current debate is perhaps a general view that the automation should somehow be ‘perfect’, and that failure of automation is also a form of moral failing (1). While this weltanschauung undoubtedly serves certain social and psychological needs the debate it engenders doesn’t really further productive discussion on what could or indeed should be done to improve cockpit automation. So let’s take a closer look at the Airbus protection laws implemented in the flight control automation and compare it with how experienced aircrew actually make decisions in the cockpit.

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The HAL effect

09/09/2009 — 2 Comments

Do we automate our cultural biases, and can this have an affect upon the safe coordination of crew and automation?

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