Examination of the use of fuzzy sets to describe relative speed perception
Brackstone, Mark (2000) Examination of the use of fuzzy sets to describe relative speed perception. Ergonomics, 43, (4), 528-542. (doi:10.1080/001401300184396).
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In recent 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. This paper explores the use of such a formalism to describe the driver perception of 'closing speed' between two vehicles engaged in 'car-following' on a motorway, and by using data from an instrumented vehicle experiment, it tests a number of models using relative speed, visual angle and the time to collision. Several of these models fit the data quite well, and there is both a small positive perception bias present and a number of reversals in sign judgement. Additionally, a brief examination is made of potential variations on the methodology that may both make data collection easier and/or allow a 'more fuzzy' representation to be made.
|Digital Object Identifier (DOI):||doi:10.1080/001401300184396|
|Keywords:||perception, relative, speeds, fuzzy, sets, car, following, instrumented, vehicle|
|Subjects:||T Technology > TE Highway engineering. Roads and pavements
H Social Sciences > HE Transportation and Communications
|Divisions:||University Structure - Pre August 2011 > School of Civil Engineering and the Environment
|Date Deposited:||11 Mar 2010|
|Last Modified:||27 Mar 2014 18:53|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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