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 journalArticleScientificpeer-review

    10 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 languageEnglish
    Pages (from-to)74-83
    Number of pages10
    JournalIET Electrical Systems in Transportation
    Volume7
    Issue number1
    DOIs
    Publication statusPublished - 2017
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Powertrains
    Electric batteries
    Torque motors
    Tires
    Energy utilization
    Physics
    Friction

    Cite this

    @article{36c22d7976b64caa84cd17fdc5360954,
    title = "Experimental validation of electric bus powertrain model under city driving cycles",
    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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    Experimental validation of electric bus powertrain model under city driving cycles. / Halmeaho, Teemu; Rahkola, Pekka; Tammi, Kari; Pippuri, Jenni; Pellikka, Ari-Pekka; Manninen, Aino; Ruotsalainen, Sami.

    In: IET Electrical Systems in Transportation, Vol. 7, No. 1, 2017, p. 74-83.

    Research output: Contribution to journalArticleScientificpeer-review

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    T1 - Experimental validation of electric bus powertrain model under city driving cycles

    AU - Halmeaho, Teemu

    AU - Rahkola, Pekka

    AU - Tammi, Kari

    AU - Pippuri, Jenni

    AU - Pellikka, Ari-Pekka

    AU - Manninen, Aino

    AU - Ruotsalainen, Sami

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    PY - 2017

    Y1 - 2017

    N2 - 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.

    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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