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

Record type: Article

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.

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Citation

Brackstone, Mark (2000) Examination of the use of fuzzy sets to describe relative speed perception Ergonomics, 43, (4), pp. 528-542. (doi:10.1080/001401300184396).

More information

Published date: April 2000
Keywords: perception, relative, speeds, fuzzy, sets, car, following, instrumented, vehicle

Identifiers

Local EPrints ID: 75159
URI: http://eprints.soton.ac.uk/id/eprint/75159
ISSN: 1366-5847
PURE UUID: 18fd229f-ae8f-4309-86e9-36746308328f

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:44

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