Battery electric city bus model has been created and validated with measurement results from a full-scale city bus prototype. The model utilises multi-physics modelling approach with multiple-domains from friction-tyre and transmission model to electrical drive and a simplified battery model. For the electrical drive model, four approaches to model the losses were studied. The modelled and measured motor torque, speed, current in the battery and inverter, and the bus speed were compared under two bus line driving cycles using three payloads. The simulated results were in good agreement with the experimental results; the error between the simulated and measured energy consumptions was 1.5% with the most accurate model.
Experimental validation of electric bus powertrain model under city driving cycles
IET Electrical Systems in Transportation ; 7 , 1 ; 74-83
01.03.2017
10 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
power transmission (mechanical) , full-scale city bus prototype , simplified battery model , road vehicles , motor drives , multiphysics modelling approach , motor torque measurement , torque measurement , speed measurement , battery powered vehicles , inverter , friction , city driving cycles , invertors , friction-tyre , electric bus powertrain model , electric current measurement , current measurement , transmission model , tyres , electrical drive model , battery electric city bus model , velocity measurement , electrical drive
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