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Energies
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Design, Modelling, and Control of Multiphase Drives for Transportation
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Design, Modelling, and Control of Multiphase Drives for Transportation

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

Deadline for manuscript submissions: closed (22 February 2023) | Viewed by 9133

Special Issue Editors

Prof. Dr. Eric Semail

E-Mail Website
Guest Editor
Laboratory of Electrical Engineering and Power Electronics of Lille,Arts et Metiers Institute of Technology, Lille, France
Interests: design and control of muliphase drives; fault-tolerant drives; low voltage drives
Dr. Ngac Ky Nguyen

E-Mail Website
Guest Editor
Arts et Métiers Sciences et Technologies – Campus de Lille Laboratoire d’Electrotechnique et d’Electronique de Puissance de Lille – L2EP, Lille, France
Interests: modeling and control of multiphase synchronous motors and power converters, fault-tolerant control, fault detection and localization for multiphase drives
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

More than ever, research on electrified vehicles and their associated systems is of interest to worldwide research teams in the field of electrical engineering. Drives with a high efficiency, high reliability, and high power in a compact size are the target for an industrial market. Regarding better mobility, the presence of light vehicles (low- and middle-power for electric drives), autonomous or not, is obvious. Therefore, motorization adapted to mass production with controlled costs must be re-innovated. Indeed, electric drives that give a high performance in terms of control at any operating point, as well as a high level of reliability, would be an asset to allow for the effective development of mobility. Increasing reliability with acceptable costs means avoiding oversizing (safety coefficient) and instead developing fault-tolerant structures that operate robustly under failure. This is why multiphase electric drives (with more than three phases) are becoming a potential candidate to replace classical three-phase drives.

Therefore, we are pleased to propose this Special Issue of Energies titled “Design, Modelling, and Control of Multiphase Drives for Transportation”. The aim of this Special Issue is to share the newest research concerning the design, modelling, and control of multiphase drives and the associated power electronic topologies. The inherent potential of multiphase drives is fault-tolerance, which should be obviously encouraged.    

Prof. Dr. Eric Semail
Dr. Ngac Ky Nguyen
Guest Editors

Manuscript Submission Information

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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

  • • Multiphase machine design • Fault-tolerant control strategies for multiphase drive systems • Control under constraints of the drive • Integrated multiphase variable speed drives • Fault detection and identification process for multiphase drives • PWM modulation techniques • New multiphase topologies of power electronics • Fault-tolerant power electronics topologies • Impact of machine design to control strategy and vice versa • Model predictive control • Artificial intelligence-based control and identification for multiphase drives

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Published Papers (4 papers)

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Research

25 pages, 19235 KiB  
Article
Enhancement of Sensorless Control for Non-Sinusoidal Multiphase Drives-Part I: Operation in Medium and High-Speed Range
by Youssouf Mini, Ngac Ky Nguyen, Eric Semail and Duc Tan Vu
Energies 2022, 15(2), 607; https://doi.org/10.3390/en15020607 - 15 Jan 2022
Cited by 5 | Viewed by 1779
Abstract
This two-part study proposes a new sensorless control strategy for non-sinusoidal multiphase permanent magnet synchronous machines (PMSMs), especially integrated motor drives (IMDs). Based on the Sliding Mode Observer (SMO), the proposed sensorless control strategy uses the signals (currents and voltages) of all fictitious [...] Read more.
This two-part study proposes a new sensorless control strategy for non-sinusoidal multiphase permanent magnet synchronous machines (PMSMs), especially integrated motor drives (IMDs). Based on the Sliding Mode Observer (SMO), the proposed sensorless control strategy uses the signals (currents and voltages) of all fictitious machines of the multiphase PMSMs. It can estimate the high-accuracy rotor positions that are required in vector control. This proposed strategy is compared to the conventional sensorless control strategy that applies only current and voltage signals of the main fictitious machine, including the fundamental component of back electromotive force (back EMF) of non-sinusoidal multiphase PMSMs. Therefore, in order to choose an appropriate sensorless control strategy for the non-sinusoidal multiphase PMSMs, these two sensorless control strategies will be highlighted in terms of precision with respect to rotor position and speed estimation. Simulations and the experimental results obtained with a non-sinusoidal seven-phase PMSM will be shown to verify and compare the two sensorless control strategies. In this part of the study (part I), only sensorless control in the medium and high-speed range is considered. Sensorless control at the zero and low-speed range will be treated in the second part of this study (part II). Full article
(This article belongs to the Special Issue Design, Modelling, and Control of Multiphase Drives for Transportation)
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21 pages, 9671 KiB  
Article
Adaline-Based Control Schemes for Non-Sinusoidal Multiphase Drives—Part II: Torque Optimization for Faulty Mode
by Duc Tan Vu, Ngac Ky Nguyen, Eric Semail and Hailong Wu
Energies 2022, 15(1), 249; https://doi.org/10.3390/en15010249 - 30 Dec 2021
Cited by 3 | Viewed by 1823
Abstract
Fault tolerance has been known as one of the main advantages of multiphase drives. When an open-circuit fault happens, smooth torque can be obtained without any additional hardware. However, a reconfiguration strategy is required to determine new reference currents. Despite advantages of non-sinusoidal [...] Read more.
Fault tolerance has been known as one of the main advantages of multiphase drives. When an open-circuit fault happens, smooth torque can be obtained without any additional hardware. However, a reconfiguration strategy is required to determine new reference currents. Despite advantages of non-sinusoidal electromotive forces (NS-EMFs) such as high torque density, multi-harmonics existing in NS-EMFs cause more challenges for control, especially under faulty conditions. Therefore, to guarantee high-quality vector control of multiphase drives with multi-harmonic NS-EMFs, this two-part study proposes control schemes using adaptive linear neurons (Adalines) to adaptively eliminate torque ripples. The proposed simple Adalines are efficient because of taking advantage of the knowledge of rotor position and of torque harmonic rank induced by the NS-EMFs. The control scheme using an Adaline for healthy mode was described in part I of this study. In this second part, the control scheme using another Adaline for an open-circuit operation, under the impacts of multi-harmonics in NS-EMFs, is proposed. Notably, smooth torque and similar copper losses in the remaining healthy phases can be obtained. Experimental tests are carried out on a seven-phase permanent magnet synchronous machine (PMSM) with a high total harmonic distortion (THD = 38%) of NS-EMFs. A demonstration video is provided with this paper. Full article
(This article belongs to the Special Issue Design, Modelling, and Control of Multiphase Drives for Transportation)
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22 pages, 11387 KiB  
Article
Adaline-Based Control Schemes for Non-Sinusoidal Multiphase Drives–Part I: Torque Optimization for Healthy Mode
by Duc Tan Vu, Ngac Ky Nguyen, Eric Semail and Hailong Wu
Energies 2021, 14(24), 8302; https://doi.org/10.3390/en14248302 - 9 Dec 2021
Cited by 6 | Viewed by 2489
Abstract
More degrees of freedom not only enable multiphase drives to be fault-tolerant but also allow non-sinusoidal electromotive forces (NS-EMFs) in high-quality vector control. NS-EMFs lead to lower costs of design and manufacturing of electrical machines. However, the presence of multi-harmonics in NS-EMFs possibly [...] Read more.
More degrees of freedom not only enable multiphase drives to be fault-tolerant but also allow non-sinusoidal electromotive forces (NS-EMFs) in high-quality vector control. NS-EMFs lead to lower costs of design and manufacturing of electrical machines. However, the presence of multi-harmonics in NS-EMFs possibly generates pulsating torque in both healthy and faulty conditions of multiphase drives. To facilitate the use of NS-EMFs, this two-part study proposes control schemes to adaptively improve torque quality of multiphase drives in dealing with multi-harmonics of NS-EMFs. The proposed schemes are based on a simple but effective type of artificial intelligence, Adaptive Linear Neuron (Adaline). The knowledge of multiphase drives including the harmonic ranks of NS-EMFs and the rotor position is exploited to design the online-trained optimal Adalines. The first part of this study is to propose a control scheme using an Adaline for healthy mode with high-quality torque regardless of numerous harmonics in NS-EMFs. The second part of this study introduces a control scheme using another Adaline for open-circuit faults. The proposed schemes are numerically and experimentally validated on a seven-phase permanent magnet synchronous machine (PMSM) possessing a high total harmonic distortion (THD = 38%) of NS-EMFs. Full article
(This article belongs to the Special Issue Design, Modelling, and Control of Multiphase Drives for Transportation)
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17 pages, 12978 KiB  
Article
Loss Investigation for Multiphase Induction Machine under Open-Circuit Fault Using Field–Circuit Coupling Finite Element Method
by Huili Jia, Jiaqiang Yang, Rongfeng Deng and Yan Wang
Energies 2021, 14(18), 5686; https://doi.org/10.3390/en14185686 - 9 Sep 2021
Cited by 3 | Viewed by 1990
Abstract
This paper focuses on the loss estimation for the multiphase induction machine (IM) operating under fault-tolerant conditions through the field–circuit coupling finite element method (FEM). Both one-phase and two-phase open-circuit faults of a seven-phase IM are researched, and different spatial positions of the [...] Read more.
This paper focuses on the loss estimation for the multiphase induction machine (IM) operating under fault-tolerant conditions through the field–circuit coupling finite element method (FEM). Both one-phase and two-phase open-circuit faults of a seven-phase IM are researched, and different spatial positions of the fault phases are taken into consideration. The magnitudes and phase angles of the residual phase’s current are deduced based on the principle of equal magnitude of the residual phase currents and unchanged fundamental magnetic motive force (MMF). The magnetic fields’ coupling between the fundamental and harmonic planes is analyzed. Then, the time-stepping electromagnetic fields calculation of the seven-phase IM are carried out under the commercial software Simplorer–Maxwell environment. The transient and steady performance for both the health and fault conditions are obtained based on the rotor field-oriented control (RFOC) strategy. The Joule loss and iron loss are calculated for the torque step and slope responses. The seven-phase motor driving platform is established to verify the numerical calculation results. The proposed method is effective for predicting the loss and designing a reasonable operating range for multiphase IM operating under fault-tolerant conditions considering the thermal balance. Full article
(This article belongs to the Special Issue Design, Modelling, and Control of Multiphase Drives for Transportation)
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