Ran Wang, Hui Wang, Kun Zhu, Changyan Yi, P. Wang, D. Niyato
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Mobile Charging Services for the Internet of Electric Vehicles: Concepts, Scenarios, and Challenges
Electric vehicles (EVs) are one important enabler for the evolution of sustainable transportation sector. However, one major barrier to the widespread adoption of EVs is their limited battery capacity and the excessive time required to fully charge depleted batteries. Although techniques such as charging with a rapid charger and battery swapping may partially alleviate such concerns, the corresponding high capital investment may not be profitable for areas with low EV adoption rates. Moreover, the diversified charging demands of randomly distributed EVs, both spatially and temporally, restrict high-quality services from current fixed charging stations (FCSs). To resolve such challenges, mobile charging services (MCSs) have been investigated as a supplemental charging method for EVs, wherein energy replenishment is provided by mobile charging vehicles (MCVs). Under the framework of the Internet of EVs (IoEV), this article describes the concept of MCSs and investigates their charging merits under some distinct charging scenarios, e.g., real-time response service and emergency rescue service. A case study concerning real-time response services is investigated to illustrate the influence of MCSs on the current charging system. Simulation results demonstrate the ability of MCSs to improve the quality of charging service by reducing the average service time and service acceptance ratio. Finally, technical challenges, future research issues, and possible methodologies regarding the MCSs for EVs are discussed.
期刊介绍:
IEEE Vehicular Technology Magazine is a premier publication that features peer-reviewed articles showcasing advancements in areas of interest to the IEEE Vehicular Technology Society. Our scope encompasses theoretical, experimental, application, and operational aspects of electrical and electronic engineering relevant to motor vehicles and associated land transportation infrastructure. This includes technologies for terrestrial mobile vehicular services, components, systems, and auxiliary functions within motor vehicles, as well as components and systems used in both automated and non-automated facets of ground transport technology. The magazine focuses on intra-vehicular components, systems, and applications, offering tutorials, surveys, coverage of emerging technology, and serving as a platform for communication between the IEEE VTS governing body and its membership. Join us in exploring the latest developments in vehicular technology.