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Actuators
Special Issues
Power Electronics and Actuators—Second Edition
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Power Electronics and Actuators—Second Edition

A special issue of Actuators (ISSN 2076-0825). This special issue belongs to the section "High Torque/Power Density Actuators".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 2031

Special Issue Editors

Prof. Dr. Dong Jiang

E-Mail Website
Guest Editor
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, China
Interests: active magnetic bearing; electromagnetic interference; power electronics; motor drives
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Sizhao Lu

E-Mail Website
Guest Editor
Department of Electrical Engineering, Kunming University of Science and Technology, Kunming, China
Interests: high-frequency high-power DC-DC converters; modular multilevel converters (MMC); wireless power transfer (WPT) systems
Dr. Zewei Shen

E-Mail Website
Guest Editor
School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
Interests: paralleled converters; high power density motor drive

Special Issue Information

Dear Colleagues,

Electromagnetic actuators have been widely used in many areas including aerospace, machine tools, transportation, and so on. The power electronics converter is the main drive for the actuators, with control capability for the motion of the actuator through electromagnetic force. The efficiency, power density, dynamic response, and reliability are the major pursuits of the power electronics drive for the actuator. The control method also presents challenges. With next-generation wide-band-gap power electronics devices, there are new opportunities for the performance of power electronics drive for actuators. This Special Issue is for the progress of power electronics converters for the actuator drive in different applications. Original papers and survey papers are welcome.

Prof. Dr. Dong Jiang
Prof. Dr. Sizhao Lu
Dr. Zewei Shen
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

  • power electronics
  • actuator
  • drive
  • dynamic
  • power density

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Published Papers (4 papers)

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Research

19 pages, 10692 KiB  
Article
Design of High-Speed Motor System for EV Based on 1200 V SiC-MOSFET Power Module
by Kun Zhou, Minglei Gu and Yu Zheng
Actuators 2025, 14(5), 216; https://doi.org/10.3390/act14050216 - 26 Apr 2025
Viewed by 223
Abstract
In this paper, a high-speed motor system for an Electric Vehicle (EV) is designed, of which the rated DC-link voltage is 800 V and peak power can reach 200 kW with a high-efficiency Silicon Carbide Metal Oxide Semiconductor Field Effect Transistor (SiC-MOSFET). With [...] Read more.
In this paper, a high-speed motor system for an Electric Vehicle (EV) is designed, of which the rated DC-link voltage is 800 V and peak power can reach 200 kW with a high-efficiency Silicon Carbide Metal Oxide Semiconductor Field Effect Transistor (SiC-MOSFET). With the help of optimization motor design methods, such as pole–slot combination optimization, process optimization and control optimization, the motor can reach its maximal speed of 25,000 rpm and maximal torque of 240 Nm. Finally, the performance of the high-voltage motor system based on the SiC-MOSFET power module is evaluated by simulation and experiment. Full article
(This article belongs to the Special Issue Power Electronics and Actuators—Second Edition)
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22 pages, 36591 KiB  
Article
A Generalized Center-Aligned High-Resolution Pulse Width Modulator Implementation Using an Output Serializer in Field Programmable Gate Arrays
by Yixiao Wu and Zhong Wu
Actuators 2025, 14(4), 181; https://doi.org/10.3390/act14040181 - 9 Apr 2025
Viewed by 214
Abstract
A digital pulse width modulator (DPWM) is a key component in digital power electronics. Techniques like space vector modulation, along with rising switching frequencies from wide-bandgap power transistors, create a need for a center-aligned high-resolution PWM (CA-HRPWM). However, existing FPGA-based HRPWM designs primarily [...] Read more.
A digital pulse width modulator (DPWM) is a key component in digital power electronics. Techniques like space vector modulation, along with rising switching frequencies from wide-bandgap power transistors, create a need for a center-aligned high-resolution PWM (CA-HRPWM). However, existing FPGA-based HRPWM designs primarily focus on achieving fine timing resolution and are not fully optimized for multichannel CA-HRPWM implementations. This paper presents a generalized CA-HRPWM design based on the output serializer (OSERDES) module. The design includes comparison values and dead time calculation, a time base and triangular carrier generation, unary code encoding, and an OSERDES-based data-to-time converter (DTC). The hardware implementation results demonstrate that the design has a minimal overhead compared with a conventional PWM generator. The proposed design achieved an 800 ps resolution for both pulse width and dead time generation with excellent linearity. Additionally, the effectiveness of the design was shown in a PMSM current controller, where it reduced the current ripple by up to 64% compared with a conventional PWM generator. Full article
(This article belongs to the Special Issue Power Electronics and Actuators—Second Edition)
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32 pages, 20828 KiB  
Article
Time-Variation Damping Dynamic Modeling and Updating for Cantilever Beams with Double Clearance Based on Experimental Identification
by Yunhe Zhang, Fanjun Meng, Xueguang Li, Wei Song, Dashun Zhang and Faping Zhang
Actuators 2025, 14(2), 58; https://doi.org/10.3390/act14020058 - 26 Jan 2025
Viewed by 551
Abstract
The accuracy of a space manipulator’s end trajectory and stability is significantly affected by joint clearance. Aiming to improve the prediction accuracy of vibration caused by clearance, a dynamic clearance modeling method is developed based on parameter identification in this study. First, a [...] Read more.
The accuracy of a space manipulator’s end trajectory and stability is significantly affected by joint clearance. Aiming to improve the prediction accuracy of vibration caused by clearance, a dynamic clearance modeling method is developed based on parameter identification in this study. First, a dynamic model framework for manipulator arms is established based on the Hamilton principle and hypothetical mode method with time-variation damping. Then, a multi-resolution identification is performed for identifying the instantaneous frequency and damping ratio to estimate stiffness and damping by the sensors. The quantum genetic algorithm (QGA) is used to optimize the scale factor, which determines the identification accuracy and calculation efficiency. Finally, a case study is conducted to verify the presented model. In comparison with the initial dynamic model based on constant damping, the modal assurance criterion (MAC) of the proposed improved model based on time-variation damping is improved by 43.97%, the mean relative error (MRE) of the frequency response function (FRF) is reduced by 32.6%, and the root mean square error (RMSE) is reduced by 18.19%. The comparison results indicate the advantages of the proposed model. This modeling method could be used for vibration prediction in control systems for space manipulators to improve control accuracy. Full article
(This article belongs to the Special Issue Power Electronics and Actuators—Second Edition)
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21 pages, 2778 KiB  
Article
Research on the Mechanical Parameter Identification and Controller Performance of Permanent Magnet Motors Based on Sensorless Control
by Mingchen Luan, Yun Zhang, Jiuhong Ruan, Yongwu Guo, Long Wang and Huihui Min
Actuators 2024, 13(12), 525; https://doi.org/10.3390/act13120525 - 19 Dec 2024
Viewed by 632
Abstract
In order to improve the control performance of the position sensorless control system of permanent magnet synchronous motors and to reduce the influence of external uncertainties on the control system, such as inertia ingestion and load disturbance, this paper proposes a novel position [...] Read more.
In order to improve the control performance of the position sensorless control system of permanent magnet synchronous motors and to reduce the influence of external uncertainties on the control system, such as inertia ingestion and load disturbance, this paper proposes a novel position sensorless control algorithm for permanent magnet synchronous motors based on an interleaved parallel extended sliding mode observer. Firstly, in order to identify the time-varying moment of inertia, load torque and viscous friction coefficient of the system, a novel interleaved parallel extended sliding mode observer based on a single-observer model is proposed, and a robust activator is designed to reduce the coupling between the parameters to be measured. Then, a new predefined-time sliding mode controller is designed for the face-mounted permanent magnet synchronous motor using sliding film control theory, which improves the response speed and control accuracy of the system. Then, the proposed novel interleaved parallel extended sliding mode observer and predefined-time sliding mode controller are used to design the permanent magnet synchronous motor control system, and the stability of the system is proved using the Lyapunov stability theorem. Finally, through simulation analysis and experimental tests, it is verified that the control strategy proposed in this paper can improve the identification accuracy of the motor parameters, reduce the time of identification, and improve the control accuracy and tracking speed. Full article
(This article belongs to the Special Issue Power Electronics and Actuators—Second Edition)
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