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

Examination of the use of fuzzy sets to describe relative speed perception
Examination of the use of fuzzy sets to describe relative speed perception
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.
perception, relative, speeds, fuzzy, sets, car, following, instrumented, vehicle
1366-5847
528-542
Brackstone, Mark
fcd0fb46-0f58-4f73-b4a3-774091b70cb0
Brackstone, Mark
fcd0fb46-0f58-4f73-b4a3-774091b70cb0

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

Record type: Article

Abstract

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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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

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Date deposited: 11 Mar 2010
Last modified: 13 Mar 2024 22:46

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Author: Mark Brackstone

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