4.7 Article

Reservation-based EV charging recommendation concerning charging urgency policy

期刊

SUSTAINABLE CITIES AND SOCIETY
卷 74, 期 -, 页码 -

出版社

ELSEVIER
DOI: 10.1016/j.scs.2021.103150

关键词

Electric vehicle; EV charging recommendation; Charging scheduling; CS-selection; Charging urgency

资金

  1. Science and Technology Project of State Grid Corporation of China [SGFJXT00TXJS2000313]
  2. National Key R&D Program of China [2020YFB1806700]
  3. Natural Science Basic Research Program of Shaanxi [2019JQ-258]

向作者/读者索取更多资源

Electric Vehicles (EVs) are more environmentally friendly than traditional internal combustion vehicles (ICVs), but they have longer charging times. This paper proposes an Urgency First Charging (UFC) scheduling policy based on charging urgency, which is shown through simulations to improve user experience and shorten overall EV trip durations.
Electric Vehicles (EVs) are environmental friendly comparing with traditional internal combustion vehicles (ICVs), and have great application potential to achieve green transportation. However, due to the battery technology under development, the charging time of EVs is still longer than refuelling time of ICVs. Importantly, CS-Selection scheme (which/where to charge) and charging scheduling (when/whether to charge) are key solutions, for coping with long charging time and uneven distribution of Charging Stations (CSs) in urban city. In this paper, we propose an Urgency First Charging (UFC) scheduling policy, which orders EVs via their charging urgency (calculated by their charging demand and remaining parking duration). With the underlying UFC policy, we further propose a reservation-based CS-Selection scheme that selects the optimal CS with the minimum trip duration (summation of travelling time through CS, and the charging time spent at CS), where the EVs would further report their reservations to help anticipate the service congestion status of CSs in future. We have conducted simulations through Helsinki's city traffic scenarios. The simulation results show that our proposed CSSelection scheme has advantages in improving users quality of experience, which shortens the overall trip duration of EVs and fully charges more EVs before departure deadline.

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