Experimental validation of electric bus powertrain model under city driving cycles

Teemu Halmeaho; Pekka Rahkola; Kari Tammi; Jenni Pippuri; Ari-Pekka Pellikka; Aino Manninen; Sami Ruotsalainen

doi:10.1049/iet-est.2016.0028

Experimental validation of electric bus powertrain model under city driving cycles

Teemu Halmeaho, Pekka Rahkola, Kari Tammi, Jenni Pippuri, Ari-Pekka Pellikka, Aino Manninen, Sami Ruotsalainen

Research output: Contribution to journal › Article › Scientific › peer-review

17 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	74-83
Number of pages	10
Journal	IET Electrical Systems in Transportation
Volume	7
Issue number	1
DOIs	https://doi.org/10.1049/iet-est.2016.0028
Publication status	Published - 2017
MoE publication type	A1 Journal article-refereed

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abstract = "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.",

author = "Teemu Halmeaho and Pekka Rahkola and Kari Tammi and Jenni Pippuri and Ari-Pekka Pellikka and Aino Manninen and Sami Ruotsalainen",

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AU - Manninen, Aino

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AB - 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.

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Experimental validation of electric bus powertrain model under city driving cycles

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