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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on as a courtesy and upon agreement with AVERE.
Open AccessArticle

Communication Solutions for a Cloud-Based Charging Management System for a Fleet of Shared-Use Electric Vehicles

Fraunhofer-Institute for Solar Energy Systems, Heidenhofstr. 2, 79110 Freiburg, Germany
Simon Fey, Offenburg University of Applied Sciences, Badstra遝 24, 77652 Offenburg, Germany
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2013, 6(4), 1125-1135;
Published: 27 December 2013
PDF [370 KB, uploaded 18 May 2018]


The paper proposes a system architecture for charging infrastructure that serves the requirements of future fleets of shared-use electric vehicles in urban scenarios. The focus of the development is on the interfaces to central stakeholders such as mobility service providers, distribution network operators and utilities. The main concept of the proposed system is the adherence to a stringent resource-oriented design approach, following the design principles of the Representational State Transfer (REST) architectural software style for distributed systems. This design approach is used from the cloud-based services down to the implementation of the charging infrastructure’s control algorithms. Focusing on the resources of the various entities simplifies the implementation of their interactions, compared to the explicit declaration of services that are available. The system design ensures that the charging infrastructure is open to all users and generates a benefit beyond basic charging operations. Integration in emerging smart markets is done via open web-based interfaces. These allow for the generation of an added value of concrete services for shared-use electric mobility. A link to the field of grid operation is proposed using the ISO/IEC 61850 telecontrol standard. The smart meter capabilities of the charging stations can be used to gain additional information on the current state of the distribution grid. As an exemplary service a load management service for a fleet of shared-use electric vehicles is going to be implemented.
Keywords: communication; control system; fleet; load management; smart grid communication; control system; fleet; load management; smart grid
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Mierau, M.; Fey, S.; Kohrs, R.; Wittwer, C. Communication Solutions for a Cloud-Based Charging Management System for a Fleet of Shared-Use Electric Vehicles. World Electr. Veh. J. 2013, 6, 1125-1135.

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