NeTrainSim:a network-level simulator for modeling freight train longitudinal motion and energy consumption  

作　　者：Ahmed S.Aredah Karim Fadhloun Hesham A.Rakha 

机构地区：[1]Center for Sustainable Mobility,Virginia Tech Transportation Institute,3500 Transportation Research Plaza,Blacksburg,VA 24061,USA

出　　处：《Railway Engineering Science》2024年第4期480-498,共19页铁道工程科学（英文版）

基　　金：funded in part by the Advanced Research Projects AgencyEnergy (ARPA-E), U.S. Department of Energy, under award number DE-AR0001471。

摘　　要：Although train modeling research is vast, most available simulation tools are confined to city-or trip-scale analysis, primarily offering micro-level simulations of network segments. This paper addresses this void by developing the Ne Train Sim simulator for heavy long-haul freight trains on a network of multiple intersecting tracks. The main objective of this simulator is to enable a comprehensive analysis of energy consumption and the associated carbon footprint for the entire train system. Four case studies were conducted to demonstrate the simulator's performance. The first case study validates the model by comparing Ne Train Sim output to empirical trajectory data. The results demonstrate that the simulated trajectory is precise enough to estimate the train energy consumption and carbon dioxide emissions. The second application demonstrates the train-following model considering six trains following each other. The results showcase the model ability to maintain safefollowing distances between successive trains. The next study highlights the simulator's ability to resolve train conflicts for different scenarios. Finally, the suitability of the Ne Train Sim for modeling realistic railroad networks is verified through the modeling of the entire US network and comparing alternative powertrains on the fleet energy consumption.

关 键 词：Ne Train Sim Network train simulation Train longitudinal motion Energy consumption Carbon footprint 

分 类 号：U268[机械工程—车辆工程]