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Energies 2013, 6(1), 117-127; doi:10.3390/en6010117

Analytic Modeling of Vehicle Fuel Consumption

1 Department of Mechanical Engineering and Mechatronics, Ariel University Center of Samaria, Ariel 40700, Israel 2 Department of Computer Science and Mathematics, Ariel University Center of Samaria, Ariel 40700, Israel 3 Department of Electrical Engineering and Electronics, Ariel University Center of Samaria, Ariel 40700, Israel
* Author to whom correspondence should be addressed.
Received: 25 September 2012 / Revised: 19 December 2012 / Accepted: 24 December 2012 / Published: 4 January 2013
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An analytical method of evaluating vehicle fuel consumption under standard operating conditions is presented. In the proposed model, vehicle fuel consumption is separated into two different operating modes: cruising at constant speed and acceleration. In each of these modes fuel consumption is calculated based on the instantaneous engine efficiency, approximated using an analytical function rather than typically considered consumption map. The approximation is based on speed-power decoupling, employing two single dimension polynomials instead of a two-dimensional lookup table. The adequacy and accuracy of the model is verified using experimental calculations. Moreover, it is shown that the effect of various design parameters on vehicle fuel consumption can be studied utilizing the proposed model.
Keywords: road vehicle; driving cycle; fuel economy; modeling road vehicle; driving cycle; fuel economy; modeling
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Ben-Chaim, M.; Shmerling, E.; Kuperman, A. Analytic Modeling of Vehicle Fuel Consumption. Energies 2013, 6, 117-127.

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