Special Issue "Wireless Power Transfer for Electric Vehicles"

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "Electric Vehicles".

Deadline for manuscript submissions: 10 August 2021.

Special Issue Editor

Prof. Dr. Adel El-Shahat
E-Mail Website1 Website2
Guest Editor
Department of Electrical and Computer Engineering, Georgia Southern University, USA
Interests: smart grid systems; wireless power transfer; electric vehicles; electric machines; power systems; power electronics; renewable energy systems

Special Issue Information

Dear Colleagues,

As Guest Editor, I cordially invite you to submit a manuscript for possible publication in a Special Issue on “Investigating of Wireless Power Transfer for Electric Vehicles” to be published in Energies (MDPI, impact factor (IF) 2.702). This Special Issue endeavors to create a major forum for investigating recent advances and the envisioned future in wireless power transfer for electric vehicles in terms of modeling, design, performance, operation, policy, control, implementation, storage, electric machines, power electronics converters, optimization, cost, charging techniques, human exposure, and applications.

More substantial research is proposed due to the fast-growing market for electric vehicles, and recent advances in wireless power transfer techniques have the potential to make this technology available for all consumers by overcoming its drawbacks. For instance, one of the major downsides with EVs is the requirement for the automobile to be idle during charging times. This problem can be solved by implementing dynamic wireless power transfer (WPT) with a higher Power Transfer Efficiency (PTE). The objective of this Special Issue is to publish the most recent technological advancements and theoretical and practical research outcomes, alongside high-quality literature review papers on wireless power transfer to charge electric vehicles.

Topics of interest for publication include, but are not limited to:

  • Challenges and control in EV wireless charging.
  • Investigations into Wi-Fi communication for EV wireless charging.
  • Modeling and analysis of wireless power transfer.
  • Wireless power transfer topologies.
  • Design, simulation, and implementation of converters for EV wireless charging.
  • Investigations into vehicle-to-grid (V2G) possibilities/smart wireless charging.
  • Foreign object detection for dynamic wireless charging of EV.
  • Vehicle alignment systems for wireless chargers.
  • Multi-objective optimization for dynamic wireless charging.
  • Wireless powered ultra-high-speed trains.
  • Dynamic wireless charging systems.
  • Electric vehicle wireless charging policy.
  • WPT Human exposure effects.  
  • Design of magnetic coupling stages for wireless power transfer.

Prof. Dr. Adel El-Shahat
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • electric vehicle
  • wireless charging
  • WPT converters
  • WPT topologies
  • WPT control
  • modeling
  • analysis
  • design
  • wireless vehicle-to-grid (V2G)
  • smart wireless charging
  • foreign objects detection
  • dynamic wireless charging
  • coils design
  • vehicle alignment
  • multi-objective optimization
  • wireless charging policy
  • human exposure
  • magnetic coupling stages

Published Papers (2 papers)

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Research

Article
Reduction of Cogging Torque in Surface Mounted Permanent Magnet Brushless DC Motor by Adapting Rotor Magnetic Displacement
Energies 2021, 14(10), 2861; https://doi.org/10.3390/en14102861 - 15 May 2021
Viewed by 427
Abstract
Cogging torque is a critical dilemma in Permanent Magnet Brushless DC (PMBLDC) motors. In medium-low power PMBLDC motors, redundant vibrations and forbidding noises arise as a result of the harmonic magnetic forces created by cogging torque. This paper introduces a simple approach for [...] Read more.
Cogging torque is a critical dilemma in Permanent Magnet Brushless DC (PMBLDC) motors. In medium-low power PMBLDC motors, redundant vibrations and forbidding noises arise as a result of the harmonic magnetic forces created by cogging torque. This paper introduces a simple approach for minimizing cogging torque in PMBLDC motors by applying placement irregularities in rotor magnets. An angle shift in the rotor magnets in surface-mounted PMBLDC motors helps to attain magnet displacement. This displacement imparts an asymmetrical magnet structure to the rotor. Maintaining pole arc to pole pitch ratio (L/τ) of between 0.6 and 0.8, shifting angles from 1° to 8° were considered in order to analyze the effect of the angle shift on the rotor magnets. An analytical expression was also derived for finding the shifting angle with the minimum cogging torque in the PMBLDC motor by using the Virtual Work Method (VWM). The optimization of the shifting angle with minimum cogging torque was investigated using 3D Finite Element Analysis (FEA). A comparison of the simulation and analytical results of cogging torque was carried out. It was determined that the reduction of cogging torque in the analytical results showed good agreement with the FEA analysis. Full article
(This article belongs to the Special Issue Wireless Power Transfer for Electric Vehicles)
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Article
Optimal Dynamic Scheduling of Electric Vehicles in a Parking Lot Using Particle Swarm Optimization and Shuffled Frog Leaping Algorithm
Energies 2020, 13(23), 6384; https://doi.org/10.3390/en13236384 - 03 Dec 2020
Viewed by 628
Abstract
In this paper, the optimal dynamic scheduling of electric vehicles (EVs) in a parking lot (PL) is proposed to minimize the charging cost. In static scheduling, the PL operator can make the optimal scheduling if the demand, arrival, and departure time of EVs [...] Read more.
In this paper, the optimal dynamic scheduling of electric vehicles (EVs) in a parking lot (PL) is proposed to minimize the charging cost. In static scheduling, the PL operator can make the optimal scheduling if the demand, arrival, and departure time of EVs are known well in advance. If not, a static charging scheme is not feasible. Therefore, dynamic charging is preferred. A dynamic scheduling scheme means the EVs may come and go at any time, i.e., EVs’ arrival is dynamic in nature. The EVs may come to the PL with prior appointments or not. Therefore, a PL operator requires a mechanism to charge the EVs that arrive with or without reservation, and the demand for EVs is unknown to the PL operator. In general, the PL uses the first-in-first serve (FIFS) method for charging the EVs. The well-known optimization techniques such as particle swarm optimization and shuffled frog leaping algorithms are used for the EVs’ dynamic scheduling scheme to minimize the grid’s charging cost. Moreover, a microgrid is also considered to reduce the charging cost further. The results obtained show the effectiveness of the proposed solution methods. Full article
(This article belongs to the Special Issue Wireless Power Transfer for Electric Vehicles)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Determining the social, economic, political and technical factors critical to the success of dynamic wireless charging systems through stakeholder engagement
Authors: Karthikeyan Ekambaram; Huw Davies; Shamala Evans-Gadgil; Stewart Birrell.
Affiliation: Coventry University
Abstract: A Tentative Abstract: Globally and regionally there is an increasing impetus to electrify the road transport system. The diversity and complexity of the road transport system poses a number of challenges to electrification in sectors that have higher energy usage requirements. Electric Road Systems (ERS) are one solution. An ERS is not only an engineering project, but also a complex innovation system composed of multiple stakeholders, which requires an interdisciplinary means of aligning relations, problems, and solutions. This study looked to determine the social, economic, political and technical factors critical to the success of ERS through in-depth and semi-structured discussions with key stakeholders and with a UK context. The focus was on dynamic wireless power transfer (DWPT) due to its wider market reach. The outcome of the study was a knowledge of the factors that determine the function and market acceptance of DWPT. These factors can be grouped into five categories: vehicle, journey, infrastructure, economic and behaviour. The factors, the associated probability distributions attributable to these factors and the relations between them (logic functions), will form the basis for decision making when implementing DWPT as part of the wider UK charging infrastructure and hence support the ambition to electrify all of road transport. The results will make a significant contribution to the emerging knowledge base on ERS and specifically DWPT.

Title: Effect of posture and coil position on the safety of a WPT system while charging a compact EV
Authors: Valerio De Santis; Luca Giaccone; Fabio Freschi
Affiliation: Department of Industrial and Information Engineering and Economics, University of L’Aquila, 67100 L’Aquila, Italy
Abstract: In this study, the external magnetic field emitted by a wireless power transfer (WPT) system and the internal electric field induced in human body models during recharging operations of a compact electric vehicle (EV) are evaluated. Specifically, the influence of the posture of realistic anatomical models, both in a standing or lying position inside or outside the EV is considered. Aligned and misaligned coil configurations of the WPT system placed both in the rear or front position of the car floor are considered as well. Compliance against the ICNIRP exposure limits will be provided.

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