On-Road Validation of a Simplified Model for Estimating Real-World Fuel Economy

Eric Wood, Jeffrey Gonder, Forrest Jehlik

Research output: Contribution to journalArticlepeer-review

7 Scopus Citations

Abstract

On-road fuel economy is known to vary significantly between individual trips in real-world driving conditions. This work introduces a methodology for rapidly simulating a specific vehicle’s fuel economy over the wide range of real-world conditions experienced across the country. On-road test data collected using a highly instrumented vehicle is used to refine and validate this modeling approach. Model accuracy relative to on-road data collection is relevant to the estimation of “off-cycle credits” that compensate for real-world fuel economy benefits that are not observed during certification testing on a chassis dynamometer.

Original languageAmerican English
Pages (from-to)528-536
Number of pages9
JournalSAE International Journal of Fuels and Lubricants
Volume10
Issue number2
DOIs
StatePublished - 2017

Bibliographical note

See NREL/CP-5400-67682 for preprint

NREL Publication Number

  • NREL/JA-5400-68336

Keywords

  • fuel economy
  • model
  • validation

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