Electric City Bus Energy Flow Model and Its Validation by Dynamometer Test

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Volume Title
School of Engineering | A4 Artikkeli konferenssijulkaisussa
Date
2015
Major/Subject
Mcode
Degree programme
Language
en
Pages
6
Series
Abstract
Battery electric city bus model has been created and the simulation results compared against the measured results from the full scale city bus developed for heavy vehicle research. The model utilizes multi-physics modelling approach with multiple-domains from friction-tyre and transmission model toelectrical drive and a simplified battery model. The modelled and measured motor torque, current and voltages in the battery and inverter and the bus speed were compared under a driving cycle based on a local bus line. The simulated results were in good agreement with the experimental measured results; theerror between the simulated and measured energy consumption was 1.4 %. The measured average energy consumption was 0.581 kWh/km while the simulation estimated 0.589 kWh/km.
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Keywords
electric, bus, energy, model, simulation, measurement, battery, heavy, vehicle
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Citation
Halmeaho, Teemu & Rahkola, Pekka & Pellikka, Ari-Pekka & Tammi Kari & Ruotsalainen, Sami. 2015. Electric City Bus Energy Flow Model and Its Validation by Dynamometer Test. IEEE-Vehicular Power and Propulsion Conference 2015. 6. 978-1-4673-7637-2 (electronic).