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Rolling Resistance Validation
| 题名： | Rolling Resistance Validation |
| 作者： | Paterlini, G.; Yucel, S.; Lucking, M. M.; Magnuson, J. |
| 关键词： | Heavy duty vehicles##Rolling resistance##Fuel consumption##Dynamics##Accelerometers##Roughness##Fuel processing##Pavement type##Test procedures##Data collection## |
| 摘要： | The rolling resistance, contact forces and fuel consumption of a heavy duty truck were computed as a function of pavement type. Measurements were conducted at the Mainline MnROAD test track near Albertville, Minnesota and at two highway sections with distressed pavements. Test procedure consisted of driving the instrumented MnROAD heavy-duty truck on the selected pavement sections while recording signals from the chassis-mounted accelerometers, differential GPS, and the Controller Area Network. The truck was driven at cruise speeds of 55 and 64 MPH on roads with live traffic and at cruise speeds from 30 to 65 MPH on the Mainline. In addition, weather data from two MnROAD stations, wind velocity from two ultrasonic anemometers, road elevation, and IRI were collected during the tests. Data were analyzed with a novel and comprehensive mechanistic model of vehicle dynamics. Dynamical rolling resistance and its contribution to fuel consumption was estimated from the spectra analysis of accelerometers signals. |
| 总页数： | 44 |
| 报告类型： | 科技报告 |
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