Examination of the use of fuzzy sets to describe relative speed perception

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      <subfield code="a">Examination of the use of fuzzy sets to describe relative speed perception</subfield>
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      <subfield code="a">In recents years a range of new methods have been proposed with which to describe and evaluate driver behaviour. One such method is that of fuzzy logic, where variables used in the driver decision-making process may be described linguistically, allowing a quantifiable degree of uncertainty to be introduced. The article explores the use of such a formalism to describe the driver perception of closing speed between two vehicle engaged in car-following on a motorway, and by using data from an instrumental  vehicle experiment, it test a number of models using relative speed, visual angle and the time to collision</subfield>
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      <subfield code="t">Ergonomics</subfield>
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      <subfield code="g">Vol. 43, nº 4, April 2000 ; p. 528-542</subfield>
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