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Actuators
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Advanced Theory and Application of Magnetic Actuators—3rd Edition
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Advanced Theory and Application of Magnetic Actuators—3rd Edition

A special issue of Actuators (ISSN 2076-0825). This special issue belongs to the section "Actuators for Surface Vehicles".

Deadline for manuscript submissions: 20 February 2026 | Viewed by 767

Special Issue Editors

Prof. Dr. Junqi Xu

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Guest Editor
National Maglev Transportation Engineering R&D Center, Tongji University, Shanghai 201804, China
Interests: maglev train levitation control technology; intelligent control technology; maglev train track dynamics; stability and stability theory of high-speed maglev trains
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Zhiqiang Long

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Guest Editor
College of Intelligence Science and Technology, National University of Defense Technology, Changsha 410073, China
Interests: maglev train technology; maglev bearing technology; maglev control technology; fault diagnosis and fault-tolerant control; electromechanical system safety control
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Jin Zhou

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Guest Editor
College of Mechanical & Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Interests: magnetic levitation technology; rotating machinery; electromechanical system control; vibration control
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Feng Sun

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Guest Editor
School of Mechanical Engineering, Shenyang University of Technology, Shenyang 110870, China
Interests: magnetic levitation technology; magnetic bearings; magnetic actuators applications; active vehicle suspension using magnetic actuators
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Chunfa Zhao

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Guest Editor
State Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University, Chengdu 610031, China
Interests: maglev transit; rail vehicle dynamics; railway track dynamics
Special Issues, Collections and Topics in MDPI journals
Dr. Yougang Sun

E-Mail Website
Guest Editor
Institute of Rail Transit, Tongji University, Shanghai 201804, China
Interests: maglev vehicle dynamics; nonlinear control and intelligent monitoring; under-actuated robot; electromechanical system control
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Magnetic actuators are actuators which use magnetic force or Lorentz force, and are extensively utilized in industry, defense, aviation, aerospace, and daily life. Magnetic actuators integrate electromagnetism, electronic technology, superconducting and cryogenic technology, control engineering, signal processing, mechanics, and dynamics. They have attracted extensive attention from scholars both nationally and internationally, thus representing a research hotspot in related fields. In order to overcome the basic scientific and technical problems related to magnetic actuators and compile recent research regarding magnetic actuators and vibration control, this Special Issue of Actuators, entitled "Advanced Theory and Application of Magnetic Actuators—3rd Edition", aims to address the use of actuators that employ magnetic force or Lorentz force.

Following the success of the first two volumes of this Special Issue, we have decided to broaden the scope and compile a third volume for the publication of all types of manuscripts (reviews, perspectives, and research papers).

This Special Issue also cooperates with the 13th Chinese Symposium on Magnetic Levitation Technology and Vibration Control (https://csve.kejie.org.cn/meeting/MLVC13/), held on 15 August 2025–18 August 2025, Qingdao, China. Authors of high-quality papers related to this Special Issue and resented at the conference are invited to submit extended versions of their work to this Special Issue.

Prof. Dr. Junqi Xu
Prof. Dr. Zhiqiang Long
Prof. Dr. Jin Zhou
Prof. Dr. Feng Sun
Prof. Dr. Chunfa Zhao
Dr. Yougang Sun
Guest Editors

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 submissions that pass pre-check are 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. Actuators is an international peer-reviewed open access monthly 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 2400 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

  • magnetic bearing
  • maglev train
  • magnetic suspension
  • suspension control
  • new maglev technology
  • new applications of maglev technology

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

19 pages, 2211 KB  
Article
Design and Implementation of Decoupling Controllers for Vertical Suspension System of Magnetic Suspension and Balance System
by Xu Zhou, Wentao Xia, Fengshan Dou and Zhiqiang Long
Actuators 2025, 14(10), 501; https://doi.org/10.3390/act14100501 - 16 Oct 2025
Viewed by 272
Abstract
The Magnetic Suspension Balance System (MSBS) serves as a core apparatus for interference-free aerodynamic testing in wind tunnels, where its high-precision levitation control performance directly determines the reliability of aerodynamic force measurements. This paper addresses the strong coupling issues induced by rigid-body motion [...] Read more.
The Magnetic Suspension Balance System (MSBS) serves as a core apparatus for interference-free aerodynamic testing in wind tunnels, where its high-precision levitation control performance directly determines the reliability of aerodynamic force measurements. This paper addresses the strong coupling issues induced by rigid-body motion in the MSBS vertical suspension system and proposes a decoupling control framework integrating classical decoupling methods with geometric feature transformation. First, a nonlinear dynamic model of the six-degree-of-freedom MSBS is established. Through linearization analysis of the vertical suspension system, the intrinsic mechanism of displacement-pitch coupling is revealed. Building upon this foundation, a state feedback decoupling controller is designed to achieve decoupling among dynamic channels. Simulation results demonstrate favorable control performance under ideal linear conditions. To further overcome its dependency on model parameters, a decoupling strategy based on geometric feature transformation is proposed, which significantly enhances system robustness in nonlinear operating conditions through state-space reconstruction. Finally, the effectiveness of the proposed method in vertical suspension control is validated through both numerical simulations and a physical MSBS experimental platform. Full article
(This article belongs to the Special Issue Advanced Theory and Application of Magnetic Actuators—3rd Edition)
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19 pages, 2433 KB  
Article
Two-Dimensional Analytical Magnetic Field Calculation in a Brushless Doubly Fed Reluctance Machine
by Slimane Tahi, Cherif Guerroudj, Smail Mezani, Rachid Ibtiouen and Noureddine Takorabet
Actuators 2025, 14(10), 486; https://doi.org/10.3390/act14100486 - 7 Oct 2025
Viewed by 281
Abstract
This paper proposes a 2D semi-analytical model based on the subdomain method for the performance analysis of a brushless doubly fed reluctance machine (BDFRM) with a salient pole rotor. In particular, assuming an infinite magnetic permeability of the iron core and assuming a [...] Read more.
This paper proposes a 2D semi-analytical model based on the subdomain method for the performance analysis of a brushless doubly fed reluctance machine (BDFRM) with a salient pole rotor. In particular, assuming an infinite magnetic permeability of the iron core and assuming a smooth stator, the field calculation region is divided into two solution subdomains, i.e., the rotor slot and air-gap. The magnetic vector potential in each subdomain is obtained by solving the governing PDE by the separation of variables method and employing the boundary conditions between adjacent interfaces. Moreover, based on the stored magnetic energy in the air-gap, the calculation of the three-phase windings’ self and mutual inductances is presented. Through a case study involving a 6/2 pole BDFRM, the accuracy of the developed subdomain model is confirmed by comparing its analytically predicted results with those obtained from two-dimensional finite element method (FEM) simulations. Full article
(This article belongs to the Special Issue Advanced Theory and Application of Magnetic Actuators—3rd Edition)
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