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Energies
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Linear/Planar Motors and Other Special Motors
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Linear/Planar Motors and Other Special Motors

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F3: Power Electronics".

Deadline for manuscript submissions: 7 November 2024 | Viewed by 2964

Special Issue Editors

Dr. Lu Zhang

E-Mail Website
Guest Editor
School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China
Interests: multi-dof maglev plane motor; precision linear motor system and testing; electromagnetic maglev system; high-speed motor system
Special Issues, Collections and Topics in MDPI journals
Dr. Lei Huang

E-Mail Website
Guest Editor
School of electrical engineering, Southeast University, Nanjing 210096, China
Interests: wave energy converters; linear machine; wind power generation; permanent magnet electrical machine; design of generator; control of generator; offshore microgrid
Dr. Zijiao Zhang

E-Mail Website
Guest Editor
College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Interests: permanent magnet linear synchronous motor; permanent magnet linear rotary motor; high-precision and complex motion platform
Special Issues, Collections and Topics in MDPI journals
Dr. Mei Zhao

E-Mail Website
Guest Editor
School of New Energy, Harbin Institute of Technology (Weihai), Weihai 264209, China
Interests: special machine system; linear machine system; ocean energy power generation technology

Special Issue Information

Dear Colleagues,

Special motors refer to motors designed and manufactured according to specific work requirements, which have special performance and functions. According to different working principles and application fields, special motors can be divided into various types, such as stepper motors, linear/planar motors, servo motors, electromagnetic dampers, etc. Different types of special motors have their own unique characteristics and characteristics. With the rapid development of information technology, the application fields of special motors are constantly expanding, such as stepper motors being widely used in printers, CNC machine tools, 3D printers, etc. Linear/planar motors are widely used in semiconductor manufacturing equipment, LCD panel production equipment, flexible conveying systems, etc. Servo motors are widely used in robots, automated production lines, medical devices, etc. Electromagnetic dampers are widely used in motion device braking systems, automotive electromagnetic shock absorption, etc. The application fields of special motors are constantly expanding, including electric vehicles, new energy, future factories, and other fields.

The aim of this Special Issue is to present and disseminate the newest research concerning the topology, design, modelling, optimization, control methods and future development trends of all kinds of special motors. Examinations of relevant technologies related to special motors are also encouraged.

Dr. Lu Zhang
Dr. Lei Huang
Dr. Zijiao Zhang
Dr. Mei Zhao
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. 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 2600 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

  • novel topologies of linear/planar motors or other special motors
  • high-performance design of linear/planar motors or other special motors
  • accurate modeling of linear/planar motors or other special motors
  • multi-objective optimization of linear/planar motors or other special motors
  • novel control methods of linear/planar motors or other special motors
  • health management techniques for linear/planar motors or other special motors
  • testing technologies and applications for linear/planar motors or other special motors
  • cooling and thermal analysis of linear/planar motors or other special motors
  • other relevant special motors and drive techniques

Published Papers (4 papers)

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Research

18 pages, 1577 KiB  
Article
Dynamic Decoupling Method Based on Motor Dynamic Compensation with Application for Precision Mechatronic Systems
by Kaixin Liu, Yang Liu, Fazhi Song and Jiubin Tan
Energies 2024, 17(9), 2038; https://doi.org/10.3390/en17092038 - 25 Apr 2024
Viewed by 342
Abstract
Motors are widely employed in mechatronic systems, especially in precision multiple degrees of freedom motion systems. In most applications, the dynamic equation between the motor instruction and the actual driving force is simplified as a constant. Subsequently, the static decoupling method can be [...] Read more.
Motors are widely employed in mechatronic systems, especially in precision multiple degrees of freedom motion systems. In most applications, the dynamic equation between the motor instruction and the actual driving force is simplified as a constant. Subsequently, the static decoupling method can be utilized to design the feedback controller. However, in high-precision mechatronic systems, motor dynamics cannot be neglected, and the static decoupling performance is compromised due to discrepancies between motors. In this paper, a dynamic decoupling method is developed to improve the decoupling performance of the multiple-input multiple-output systems. The effects of transmission delays, motor dynamics, and discrepancies between different motors are taken into consideration in the dynamic decoupling method. Furthermore, a data-driven optimization method is developed to estimate the parameters of the dynamic decoupling controller. The effectiveness and superiority of the proposed method are demonstrated through numerical simulations. The experimental results show that the dynamic decoupling control method can achieve a 97.75% performance improvement at least compared to the static decoupling control method. Full article
(This article belongs to the Special Issue Linear/Planar Motors and Other Special Motors)
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12 pages, 5035 KiB  
Article
Characteristics Analysis and Comparison of a Cylindrical Linear Induction Motor with Composite Secondary Structure
by Chunyu Du, Lu Zhang, Xu Niu and Kai Yang
Energies 2024, 17(6), 1294; https://doi.org/10.3390/en17061294 - 7 Mar 2024
Viewed by 491
Abstract
The cylinder linear induction motor (CLIM) is a variation of the rotary induction motor. Its structure is simple, it has a low manufacturing cost, and it can generate linear thrust without the need for a conversion mechanism. It is particularly suitable for electromagnetic [...] Read more.
The cylinder linear induction motor (CLIM) is a variation of the rotary induction motor. Its structure is simple, it has a low manufacturing cost, and it can generate linear thrust without the need for a conversion mechanism. It is particularly suitable for electromagnetic catapults, magnetic levitation transport, and industrial production fields, due to its strong environmental adaptability. Designing a high-thrust and high-efficiency CLIM is a great challenge due to its inherent drawbacks, such as the low thrust density and power density of induction motors. In this article, two CLIMs with different topologies are proposed to meet the demand for control-rod drives in high-temperature and high-pressure environments. The article elucidates the topologies of the two CLIMs and proposes an analytical computational approach for the CLIM. Modern optimization algorithms were utilized to optimize the design of the structural parameters of both CLIMs. A 3D-FEA simulation was used to compare and analyze the air-gap magnetism and thrust characteristics of two CLIMs. The results indicate that the copper-ring secondary CLIM has a higher thrust density and is more suitable for use in control-rod drive mechanism (CRDM) systems. Full article
(This article belongs to the Special Issue Linear/Planar Motors and Other Special Motors)
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18 pages, 5195 KiB  
Article
Performance Comparison and Optimization of a PMSM Based on Hybrid-Type Permanent Magnet with Two Kinds of Rotor Topology
by Kai Yang, Lu Zhang, Mengyao Wang and Chunyu Du
Energies 2024, 17(3), 557; https://doi.org/10.3390/en17030557 - 23 Jan 2024
Viewed by 883
Abstract
This study focuses on designing and optimizing Permanent Magnet Synchronous Motors (PMSMs) using hybrid rare earth and ferrite materials. Two distinctive rotor topologies of the Hybrid-Type Permanent Magnet Motor (HTPMM) are proposed: series and parallel magnetic circuits. Initially, the rotor topology and magnetic [...] Read more.
This study focuses on designing and optimizing Permanent Magnet Synchronous Motors (PMSMs) using hybrid rare earth and ferrite materials. Two distinctive rotor topologies of the Hybrid-Type Permanent Magnet Motor (HTPMM) are proposed: series and parallel magnetic circuits. Initially, the rotor topology and magnetic circuit principles of both the prototype and the designed HTPMM are introduced. Subsequently, a multi-objective genetic algorithm is employed to optimize the two HTPMMs, determining the final optimized parameters. Thise study further analyzes the cost advantage of HTPMMs from the perspective of permanent magnet materials, and detailed finite element analysis is conducted to evaluate the electromagnetic performance, including the air-gap flux density, no-load back electromotive force, cogging torque, load torque characteristics, and demagnetization properties. A comparative analysis of the prototype and two designed motors reveals that the HTPMM exhibits similar performance to the prototype, effectively reducing the usage of rare earth materials and significantly lowering the manufacturing costs. This research validates the feasibility of reducing rare earth material usage while maintaining a similar performance and provides a new perspective for the design of permanent magnet motors. Full article
(This article belongs to the Special Issue Linear/Planar Motors and Other Special Motors)
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18 pages, 9993 KiB  
Article
Distributed Modeling of Isolated Active Magnetic Bearings Considering Magnetic Leakage and Material Nonlinearity
by Rui Zhang, Xinying Song, Zongze Cui, Wei Hao, Cong Xu and Liwei Song
Energies 2023, 16(24), 8023; https://doi.org/10.3390/en16248023 - 12 Dec 2023
Viewed by 692
Abstract
In order to expand the application field of magnetic bearings, this article studies a novel radially isolated active magnetic bearing (IAMB) system in which the stator and the rotor are separated by a layer of metal isolation sleeve. Aimed at the shortcomings of [...] Read more.
In order to expand the application field of magnetic bearings, this article studies a novel radially isolated active magnetic bearing (IAMB) system in which the stator and the rotor are separated by a layer of metal isolation sleeve. Aimed at the shortcomings of existing modeling methods, a distributed magnetic circuit model (DMCM) was proposed based on the magnetic field segmentation theory for IAMBs. Considering material nonlinearity and leakage flux, the flux distributions of the isolation sleeve and air gap are calculated accurately. Finally, the 3D finite element model (3D FEM) and experimental platform were built to verify the feasibility of the IAMB and the correctness of the DMCM. Full article
(This article belongs to the Special Issue Linear/Planar Motors and Other Special Motors)
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