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Feasibility of Virtual Environments to Develop Future Driving Cycles

Kay, Peter J

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Authors

Peter Kay Peter2.Kay@uwe.ac.uk
Associate Director (Energy Technologies)



Abstract

© 2018 SAE International. All Rights Reserved. The current procedure for testing emissions from new vehicles, the World Harmonised Light Vehicle Test Procedure (WLTP), was introduced in September 2017. The WLTP was developed by collecting over 765,000 kilometres worth of data in order to isolate driver behaviour from other real world variables. However, this is a very time consuming and costly process. This paper discusses the suitability of a cheaper and more time efficient alternative. Driver behaviour has a significant impact on the emissions produced from the same vehicle. This study explores the feasibility of utilising virtual environments as an alternative to real world testing to isolate driver behaviour to develop future drive cycles. The use of virtual environments have some significant advantages over real world testing: they can be strictly controlled in terms of the weather, topography and vehicle characteristics, thereby aiding the isolation of driver behaviour from other variables. A driving simulator facility based at the University of West of England was used to assess the suitability of determining driver behaviour using a virtual environment. A track was created based on a local route in the virtual environment. The virtual route was driven by volunteers and their driving behaviours were identified. The same route in the real world was driven by the same volunteers. The driving behaviour of the volunteers from both the virtual environment and the real world are compared to assess the realism of the virtual driving experience in terms of driver behaviour. Finally the data from the virtual environment were analysed to determine if driver behaviour can be isolated, along with the impact on vehicle emissions, with a view to using virtual environments to develop future drive test cycles for emissions testing.

Presentation Conference Type Conference Paper (Published)
Conference Name International Powertrains, Fuels & Lubricants Meeting
Start Date Sep 17, 2018
End Date Sep 19, 2018
Online Publication Date Sep 10, 2018
Publication Date Sep 10, 2018
Deposit Date Oct 4, 2018
Publicly Available Date Mar 10, 2019
Electronic ISSN 0148-7191
Publisher SAE International
Series Title SAE Technical Papers
Series ISSN 0148-7191
Book Title SAE Technical Paper Series
Chapter Number 2018-01-1816
DOI https://doi.org/10.4271/2018-01-1816
Keywords drive cycle, simulator, emissions
Public URL https://uwe-repository.worktribe.com/output/860713
Publisher URL http://dx.doi.org/10.4271/2018-01-1816
Additional Information Additional Information : This is the author's accepted manuscript. The final published version is available here: http://dx.doi.org/10.4271/2018-01-1816.

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