Integrating an electrical vehicle charging system wit the Arrowhead framework

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Dr. Varga Pál
Department of Telecommunications and Media Informatics

Electric vehicle (EV) charging stations are intelligent, embedded devices, enabled to serve the electro mobility domain with various features beyond EV charging. This is possible due to the next generation of the Internet (the Internet of Things, IoT). IoT allows charge points to be accessible for human users as well as for other ICT systems. A complex, cooperating charging infrastructure could significantly contribute to the success of electric energy based transport. It is therefore crucial to examine the impact of the network integration on electro mobility. Designing the services, provided by the charging stations, is as much important as the technical details of the implementation.

IoT frameworks are already available to support the internet-based communication of devices. One of them is Arrowhead, which applies service oriented architecture to provide interoperability, dynamic reconfiguration, cloud-based infrastructure and automatic discovering function for IoT systems. These features are particularly useful when building the charging infrastructure, because electro mobility is a continuously evolving and changing environment, where dynamic and safe reconfiguration of the network of members' ICT systems is needed.

This thesis contributes to the development of the AC charger equipment of evopro Innovation Ltd. It analyzes the opportunity that is implied by the integration of the charging station with the Arrowhead framework. The thesis presents possible use cases, such as charge point operation, smart charging, battery-specific charging and EV testing at charge stations. It emphasizes the need for charge point virtualization and overviews the abstract services provided by the charge stations. The design and implementation of the Arrowhead integration of the AC charger board is also proposed. The verification of the system is realized with the Arrowhead cloud built at the Department of Telecommunications and Media Informatics, Budapest University of Technology and Economics.


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