In this research project finalized in 2019 the potential of electrification of multi-purpose tractors/machines have been studied, and what impact it would have on the holistic city eco system. The study shows there is great technical potential for electrification and connectivity, while it also seems to be a high acceptance among users and stakeholders (e.g. positive to having a partly electrified fleet).Today a lot of attention all over the world is directed to more sustainable cities and thereby electrification of vehicles. Unlike electrification of bigger machines (e.g. rear loaders), the challenge with electrification of smaller multi-purpose tractors is their large range of usage in combination with the variation of tools and tool suppliers.Methods used were benchmark/research, user research, and simulations of driving cycles based on user scenarios. Simulation models for power requirements were developed in MATLAB/Simulink.The result presents insights about how these vehicles can be electrified and connected, and thereby lays as a foundation for further studies and development in a presented roadmap.The expected effects of electrification with minimum 50% reduction of fuel consumption (plugin hybrid) is met through a hybrid solution as a first step, but a fully electric vehicle is also a possible solution.The results from the simulations indicate a reasonable battery size can be suitable for a workday with a tool and task with moderate power need. In areas where the infrastructure allows fast charging during breaks, even more power consuming tasks can be performed with the same battery. If also the powering of the tools can be electrified, the need of battery capacity is expected to decrease with 10-20%.With connected machines, the potential was strengthened during the concept study and can provide prerequisites for faster electrification both in an operational use and in a business perspective.


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    Title :

    On simulations and user studies of electrification of connected multi-purpose tractors for municipal public work


    Additional title:

    Sae Technical Papers


    Contributors:
    Piegsa, A. (author) / Sundin, A. (author) / Campos, F. (author) / Lundén, M. (author) / Bång, O. (author)

    Conference:

    2020 SAE Brasil Congress & Exhibition ; 2020



    Publication date :

    2021-03-26




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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