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Analysis of three independent real-world driving studies : a data driven and expert analysis approach to determining parameters affecting fuel economy
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Birrell, Stewart A., Taylor, James. E., McGordon, Andrew, Son, Joonwoo and Jennings, Paul. A. (2014) Analysis of three independent real-world driving studies : a data driven and expert analysis approach to determining parameters affecting fuel economy. Transportation Research Part D: Transport and Environment , Volume 33 . pp. 74-86. doi:10.1016/j.trd.2014.08.021 ISSN 1361-9209.
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Official URL: http://dx.doi.org/10.1016/j.trd.2014.08.021
Abstract
It is well established that individual variations in driving style have a significant impact on vehicle energy efficiency. The literature shows certain parameters have been linked to good fuel economy, specifically acceleration, throttle use, number of stop/starts and gear change behaviours. The primary aim of this study was to examine what driving parameters are specifically related to good fuel economy using a non-homogeneous extended data set of vehicles and drivers over real-world driving scenarios spanning two countries. The analysis presented in this paper shows how three completely independent studies looking at the same factor (i.e., the influence of driver behaviour on fuel efficiency) can be evaluated, and, despite their notable differences in location, environment, route, vehicle and drivers, can be compared on broadly similar terms. The data from the three studies were analysed in two ways; firstly, using expert analysis and the second a purely data driven approach. The various models and experts concurred that a combination of at least one factor from the each of the categories of vehicle speed, engine speed, acceleration and throttle position were required to accurately predict the impact on fuel economy. The identification of standard deviation of speed as the primary contributing factor to fuel economy, as identified by both the expert and data driven analysis, is also an important finding. Finally, this study has illustrated how various seemingly independent studies can be brought together, analysed as a whole and meaningful conclusions extracted from the combined data set.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TL Motor vehicles. Aeronautics. Astronautics | ||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
| Library of Congress Subject Headings (LCSH): | Automobiles -- Environmental aspects, Automobile driving | ||||||
| Journal or Publication Title: | Transportation Research Part D: Transport and Environment | ||||||
| Publisher: | Pergamon Press | ||||||
| ISSN: | 1361-9209 | ||||||
| Official Date: | 2014 | ||||||
| Dates: |
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| Volume: | Volume 33 | ||||||
| Page Range: | pp. 74-86 | ||||||
| DOI: | 10.1016/j.trd.2014.08.021 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||
| Funder: | Technology Strategy Board (Great Britain), Engineering and Physical Sciences Research Council (EPSRC), Seventh Framework Programme (European Commission) (FP7), Ministry of Science and Technology (South Korea), Korea (South). Sanggong Chawŏnbu [Ministry of Trade, Industry and Energy] |
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