December 1990
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10 Reads
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6 Citations
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December 1990
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10 Reads
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6 Citations
February 1989
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19 Reads
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86 Citations
This report discusses a topic important to the field of computational human factors: models of human performance and their use in computer-based engineering facilities for the design of complex systems. It focuses on a particular human factors design problem -- the design of cockpit systems for advanced helicopters -- and on a particular aspect of human performance -- vision and related cognitive functions. By focusing in this way, the authors were able to address the selected topics in some depth and develop findings and recommendations that they believe have application to many other aspects of human performance and to other design domains.
... It was in his final period of development that, having stood Hegel's dialectic "on its head", Marx succeeds in deriving dialectical materialism by adding dialectical method to historical materialism. Instead of pure abstraction, there exists the concrete abstract (Elden, 2004, 15-64;Kipfer, 2009;Schmid, 2008). Finally, Lefebvre excels in bringing the material/mental divide by creating the third term real-and-imagined (Elden, 2004, especially 181-192) and in transcending Hegel's "thesis-antithesis-synthesis" or Marx's "affirmation-negation-negation-of-the-negation" dialectic. ...
December 1990
... The exponential distribution or Weibull distribution is most often used to describe machine reliability [38][39][40]. Taking into account typical human failures and errors [41], the short-term human failure rate during one shift can be described by the exponential distribution and the parameters MTBF = 8 h and MTTR = 5 min. [14]. ...
February 1989