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Evaluating the Effects of Restraint Systems on Four Wheel Drive Testing Methodologies: A Collaborative Effort between NVFEL and ANL
Technical Paper
2009-01-1522
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Testing vehicles for emissions and fuel economy has traditionally been conducted with a single-axle chassis dynamometer. The 2006 SAE All Wheel Drive Symposium cited four wheel drive (4WD) and all wheel drive (AWD) sales as climbing from 20% toward 30% of a motor vehicle market share. With an increasing number of four wheel-drive vehicles being introduced to the market place, certification testing for emissions and fuel economy has been changed to allow both two wheel drive and four wheel drive testing [1]. As manufacturers plan to test these vehicles in this mode, test methods need to be developed to allow for these changes. This paper focuses on the tie down methods available for 4WD testing to determine possible effects of test methodologies on a traditional 4WD Vehicle and a hybrid vehicle.
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Citation
Peralta, M., Paulina, C., Duoba, M., Amann, G. et al., "Evaluating the Effects of Restraint Systems on Four Wheel Drive Testing Methodologies: A Collaborative Effort between NVFEL and ANL," SAE Technical Paper 2009-01-1522, 2009, https://doi.org/10.4271/2009-01-1522.Also In
References
- 2007
- SAE J2263 Road Load Measurement Using Onboard Anemometry and Coastdown Techniques Dec 1 2008
- SAE J2264 Chassis Dynamometer Simulation of Road Load Using Coastdown Techniques, Recommended Practice Apr 1 1995