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Advanced Motor Technology and Application
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Advanced Motor Technology and Application

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

Deadline for manuscript submissions: closed (12 July 2023) | Viewed by 2972

Special Issue Editors

Dr. Jiaxi Liu

E-Mail Website
Guest Editor
Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150006, China
Interests: PMSM; sensorless; nano precision drive; SiC/GaN drive; fluxgate current sensor; power electrics
Special Issues, Collections and Topics in MDPI journals
Dr. Jiwei Cao

E-Mail Website
Guest Editor
Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150006, China
Interests: sensorless; high-speed PMSM drive; nano-drive; flux-gate sensor
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Motors play an indispensable role in renewable energy conversion systems, precision manufacturing, aerospace and electric vehicles. Therefore, it is necessary to study motor systems with higher speed, precision and efficiency for motor system future development.

This Special Issue aims to present and disseminate the latest developments in the theory, design, application, drive, control and testing of high-performance motor systems.

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

all aspects of induction motors; permanent magnet synchronous motors; synchronous reluctance motors; switched reluctance motors; brushless DC motors; linear motors; voice coil motors; generators; motor/generator technology for more electric aircraft, electric vehicles and energy conversion systems; polyphase motors and drives; precision motor and its drive; fault-tolerant motor systems; online and offline condition motoring technology; and advanced control method.

Dr. Jiaxi Liu
Dr. Jiwei Cao
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

  • PMSM
  • precision drive
  • sensorless
  • power electrics
  • superconducting motors

Published Papers (3 papers)

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Research

13 pages, 4658 KiB  
Article
DSVM-Based Model-Free Predictive Current Control of an Induction Motor
by Md Asif Hussain, Ananda Shankar Hati, Prasun Chakrabarti, Bui Thanh Hung, Vadim Bolshev and Vladimir Panchenko
Energies 2023, 16(15), 5657; https://doi.org/10.3390/en16155657 - 27 Jul 2023
Cited by 1 | Viewed by 822
Abstract
Classical model-free predictive current control (MFPCC) is a robust control technique for a two-level inverter-fed induction-motor drive, with advantages that consist of a simple concept, rapid response, simple implementation, and excellent performance. However, the classic finite-control-set MFPCC still exhibits a significant current ripple. [...] Read more.
Classical model-free predictive current control (MFPCC) is a robust control technique for a two-level inverter-fed induction-motor drive, with advantages that consist of a simple concept, rapid response, simple implementation, and excellent performance. However, the classic finite-control-set MFPCC still exhibits a significant current ripple. This article presents a method to enhance performance using a combination of model-free predictive current control (MFPCC) and discrete-space vector modulation (DSVM). The MFPCC employs an ultralocal model with an extended-state observer (ESO) that does not consider motor parameters, therefore improving the control system’s reliability by eliminating the parameter dependency. The proposed method integrates DSVM, which divides a single sample period into N equal intervals and generates virtual vectors to reduce stator current ripple. It achieves the minimum cost-function value across the entire operating range of the induction-motor (IM) drive by selecting the optimal vector from a limited set of permissible voltage vectors. Using DSVM effectively reduces the total harmonic distortion (THD) without any detrimental effects during transients or steady states. Experimental studies validate the effectiveness and superiority of the suggested technique over the Finite-Control-Set (FCS) MFPCC, which only considers real voltage vectors in its computations. Full article
(This article belongs to the Special Issue Advanced Motor Technology and Application)
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18 pages, 16084 KiB  
Article
Static and Dynamic Magnetic Pull in Modular Spoke-Type Permanent Magnet Motors
by Shaonan Sun, Guihong Feng, Yan Li and Bingyi Zhang
Energies 2023, 16(10), 4078; https://doi.org/10.3390/en16104078 - 13 May 2023
Viewed by 982
Abstract
This work studied the static magnetic pull of a modular spoke-type permanent magnet motor (MSTPMM) with no rotor eccentricity during the motor’s final assembly process and its dynamic magnetic pull during different motor operating states. A new final assembly scheme was proposed to [...] Read more.
This work studied the static magnetic pull of a modular spoke-type permanent magnet motor (MSTPMM) with no rotor eccentricity during the motor’s final assembly process and its dynamic magnetic pull during different motor operating states. A new final assembly scheme was proposed to significantly reduce the static magnetic pull during the final assembly process of the motor. The methods required to reduce the unbalanced radial magnetic pull of the whole stator, which is caused by partial stator module operation, were also studied. Firstly, the structure of the MSTPMM was examined. The static magnetic pull that occurred with the implementation of the two motor final assembly methods was studied in order to prove the effectiveness of reducing the maximum static magnetic pull. Moreover, the maximum magnetic pull during the assembly process was also observed. Then, the dynamic magnetic pull was studied with different motor operating states: no load, on load, and partial stator module operation. To solve the unbalanced radial magnetic pull of the whole stator, which is caused by partial stator module operation, methods of changing the angle between the stator current vector and the q axis (Ψ) or the d axis current (id) were also studied. Full article
(This article belongs to the Special Issue Advanced Motor Technology and Application)
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15 pages, 5861 KiB  
Article
A Novel Method for Estimating the Position and Speed of a Winding Segmented Permanent Magnet Linear Motor
by Jiaxi Liu, Jiwei Cao and Liyi Li
Energies 2023, 16(8), 3361; https://doi.org/10.3390/en16083361 - 11 Apr 2023
Cited by 1 | Viewed by 897
Abstract
This paper presents a novel means of sensorless drive of the winding segmented permanent magnet linear motor (WS-PMLM). In order to solve the problem of the deviation of the position and speed estimation of the mover caused by the sharp changes of the [...] Read more.
This paper presents a novel means of sensorless drive of the winding segmented permanent magnet linear motor (WS-PMLM). In order to solve the problem of the deviation of the position and speed estimation of the mover caused by the sharp changes of the inductance, flux linkage, and back electromotive force (EMF) between the segments of the WS-PMLM, a method for position estimation by the compound back-EMF is proposed to eliminate the blind spot of intersegment position estimation. In terms of speed estimation, a full-order speed observer method based on the dynamics equation is proposed, the configuration of the feedback gain of the observer is analyzed, and a simulation is used to verify that the full-order state observer (FSO) method can effectively reduce the estimated speed fluctuation in the intersegment region and that the speed estimation accuracy is ultimately improved. Full article
(This article belongs to the Special Issue Advanced Motor Technology and Application)
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