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Driving Performance Prediction for Low-floor Midsize bus Using Simulator
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 Title & Authors
Driving Performance Prediction for Low-floor Midsize bus Using Simulator
Kim, Gisu; Kim, Jinseong; Park, Yeong-il; Lee, Chibum;
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 Abstract
In this study, the performance of a low-floor midsize bus under development is predicted through simulations. To predict the vehicle's acceleration, maximum speed, and uphill driving performance, a forward simulator which calculates the vehicle power is developed. Also we verify the forward simulator by comparing simulations and test result for benchmarking vehicle. To predict the fuel consumption, we use a backward simulator for a specified road cycle. However, to predict the fuel consumption using the backward simulation the engine fuel-consumption map is needed. The engine fuel-consumption map extracting data from a similar sized diesel engine is used by re-scaling the maximum torque. As a result, we simulate the vehicle's forward performance with a new engine. Further, we simulated the backward performance to optimize the fuel efficiency and gearshift timing.
 Keywords
Low-floor Midibus;Forward simulator;Backward simulator;Vehicle performance;Fuel consumption;
 Language
Korean
 Cited by
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 References
1.
Choi, J. D., Lee, D. H., Jeong, J. R., Lee, H. Y., Park, Y. I., Cha, S. W., 2013, Development of Forward Simulator for Analysis of E-REV Bus Performance, Proceeding of KSAE annual conference., 1753-1756.

2.
Choi, J. D., Jeong, J. R., Park, Y. I., Cha, S. W., 2015, Evaluation of Regenerative Braking Effect for E-REV Bus according to Characteristic of Driving Cycle, International Journal of Precision Engineering and Manufacturing Green Technology., 2:2 149-155. crossref(new window)

3.
Choi, J. D., Jeong, J. R., Park, Y. I., Cha, S. W., 2013, Analysis of Engine Operating Point and Fuel Economy for E-REV Bus according to Engine Operation Strategy Using Forward Simulator, Proceeding of KSAE annual conference., 1252-1253.

4.
Kim, N. W., Park, Y. I., Seo, H. W., Lee, D. H., Cha, S. W., 2009, A Backward Simulator for Calculating Optimal Control Trajectories, Proceeding of KSAE annual conference., 1498-1503.