QoE-Based Assignment of EVs to Charging Stations in Metropolitan Environments

Mohammad Aljaidi, Nauman Aslam, Omprakash Kaiwartya, Xiaomin Chen, Ali Safaa Sadiq, Sushil Kumar, Ayoub Alsarhan

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Abstract

With the recent advances in battery technology enabling fast charging, public Charging Stations (CSs) are becoming a viable choice for Electric Vehicles (EVs). However, the distribution of EVs relies on strategic assignment of EVs to CSs. EVs drivers' Quality of Experience (QoE) is an significant impact factor that should be considered to find the optimal assignment of EVs to CSs. In this context, a novel framework to find the optimal assignment of EVs to CSs has been proposed based on optimization of QoE. Our proposed approach considers the travel time of EVs towards CSs taking into account the distance between EVs and CSs, the impact of congestion level on the roads resulted from the Internal Combustion Engine Vehicles (ICEVs) and EVs, queuing time at the CSs, and the time required to fully charge the EVs battery when connected to any charging slot at a CSs. The adjacency between the different zones in a city environment is also considered in order to minimize the potential number of CSs for each EVs. Specifically, the assignment problem is formulated as Mixed Integer Nonlinear Programming (MINLP), and a heuristic solution is developed using the Genetic Algorithm (GA) technique. The performance evaluation in realistic metropolitan environment attests the benefits of the proposed CSs assignment framework considering range of charging metrics.
Original languageEnglish
Pages (from-to)1-16
Number of pages16
JournalIEEE Transactions on Intelligent Vehicles
Early online date11 Jun 2024
DOIs
Publication statusE-pub ahead of print - 11 Jun 2024

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