Towards Efficient, Scalable and Coordinated On-the-move EV Charging Management

Cao, Yue, Kaiwartya, Omprakash, Wang, Ran, Jiang, Tao, Cao, Yang, Aslam, Nauman and Sexton, Graham (2017) Towards Efficient, Scalable and Coordinated On-the-move EV Charging Management. IEEE Wireless Communications, 24 (2). pp. 66-73. ISSN 1536-1284

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Abstract

Unlike traditional Internal Combustion Engine Vehicles ICEVs), the introduction of Electric Vehicles (EVs) is a significant step towards green environment. Public Charging Stations (CSs) are essential for providing charging services for on-the-move EVs (e.g., EVs moving on the road during their journeys). Key technologies herein involve intelligent selection of CSs to coordinate EV drivers’ charging plans, and provisioning of cost-efficient and scalable communication infrastructure for information exchange between power grid and EVs. In this article, we propose an efficient and scalable Publish/Subscribe (P/S) communication framework, in line with a coordinated onthe-move EV charging management scheme. The case study under the Helsinki city scenario shows the advantage of proposed CS-selection scheme, in terms of reduced charging waiting time and increased number of charged EVs, as charging performance metrics at EV and CS sides. Besides, the proposed P/S communication framework shows its low communication cost (in terms of signallings involved for charging management), meanwhile with great scalability for supporting increasing EVs’ charging demands.

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