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Modeling effects of vehicle specifications on fuel economy based on engine fuel consumption map and vehicle dynamics

Oh, Yunjung ; Park, Junhong ; Lee, Jongtae ; Eom, Myung Do ; Park, Sungwook

Transportation research. Part D, Transport and environment, 2014-10, Vol.32, p.287-302 [Periódico revisado por pares]

Oxford: Elsevier India Pvt Ltd

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  • Título:
    Modeling effects of vehicle specifications on fuel economy based on engine fuel consumption map and vehicle dynamics
  • Autor: Oh, Yunjung ; Park, Junhong ; Lee, Jongtae ; Eom, Myung Do ; Park, Sungwook
  • Assuntos: Applied sciences ; Atmospheric pollution ; CO2 emission ; Driving mode ; Exact sciences and technology ; Fuel efficiency ; Gear shifting curve data ; Ground, air and sea transportation, marine construction ; Pollution ; Pollution sources. Measurement results ; Road transportation and traffic ; Transports ; Vehicle dynamic modeling
  • É parte de: Transportation research. Part D, Transport and environment, 2014-10, Vol.32, p.287-302
  • Descrição: •10 types of passenger vehicles are investigated based on simulation method.•The characteristics of each parameters impact on fuel efficiency are investigated.•Correlation analysis between pedal sensor position and engine torque is conducted.•Vehicle weight is high influence on fuel efficiency regardless of driving modes.•Rolling and drag resistance are little impact on low driving modes. The present study conducts a vehicle dynamic modeling of gasoline and diesel vehicles by using the AVL commercial program. 10 passenger vehicles were tested for 7 types of driving modes containing city, express and highway driving mode. The various vehicle data (specifications, fuel consumption map, gear shifting curve data, etc.) were collected and implemented as input data. The calculations were conducted with changing driving modes and vehicle types, and prediction accuracy of the calculation results were validated based on chassis dynamometer test data. In order to increase prediction accuracy for a wide vehicle operating range, some modifications regarding gear shifting was also conducted. From these processes, it is confirmed that the prediction accuracy of fuel efficiency and CO2 emissions shows a strong correlations with test results. After ensuring the accuracy of the calculation result, parametric studies were conducted to reveal correlations between vehicle specifications (e.g., vehicle weight and frontal area) on fuel efficiency and CO2 emissions and check which parameters were highly impact on fuel efficiency.
  • Editor: Oxford: Elsevier India Pvt Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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