Eric Semail
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View article: Surrogate Modeling for Drive Co‐Simulation Including Local Irreversible Demagnetization Knowledge
Surrogate Modeling for Drive Co‐Simulation Including Local Irreversible Demagnetization Knowledge Open
In order to survey possible local demagnetization of permanent magnet drives during transient operations and/or faulty functioning in case of multi‐phase drives, co‐simulation including converter, vector control, and finite element model c…
View article: High Quality Sensorless Control Strategy for Seven-phase PMSM in Full Speed Range
High Quality Sensorless Control Strategy for Seven-phase PMSM in Full Speed Range Open
At low speed, the traditional high frequency signal injection (HFSI) control strategy will lead to large torque ripple, and affect the estimation accuracy of the position/speed related to sensorless control algorithm, and finally lead to t…
View article: A New Harmonic Current Control Approach of Dual Three-Phase PMSM in Degraded Mode
A New Harmonic Current Control Approach of Dual Three-Phase PMSM in Degraded Mode Open
This paper presents a new approach to control properly the currents of a dual three-phase PMSM operating in open-circuit fault condition with a wide speed range. Using fault tolerant control strategies proposed in the literature lead to hi…
View article: Design, Analysis of a Seven-Phase Fault-Tolerant Bi-Harmonic Permanent Magnet Machine With Three Active Air Gaps for In-Wheel Traction Applications
Design, Analysis of a Seven-Phase Fault-Tolerant Bi-Harmonic Permanent Magnet Machine With Three Active Air Gaps for In-Wheel Traction Applications Open
For the requirements of in-wheel traction systems, a new motor is proposed based on a specific property of multiphase machines: the ability in vector control to develop smooth torque at low speeds by using simultaneously the first and thir…
View article: T-Type Multilevel Inverters: A Comparative Performance Analysis
T-Type Multilevel Inverters: A Comparative Performance Analysis Open
T-type multilevel inverters are a potential alternative because of their increased efficiency and low conduction losses. T-Type topology is formed by adding a bidirectional switch to a conventional two-level inverter. There are a few T-Typ…
View article: Axial Stress Analysis and Comparison of the Novel Dual 3-phase Axial Flux Permanent Magnet Machines
Axial Stress Analysis and Comparison of the Novel Dual 3-phase Axial Flux Permanent Magnet Machines Open
In previous research, a novel three-phase dual-stator axial flux permanent magnet machine characterized by the advantages of compact structure and low moment of inertia is proposed for industrial robot application. In order to improve its …
View article: Proposal of a Novel Topology of Five-Phase Fractional Slot Concentrated Non-Overlapping Winding with Selective MMF Harmonic Elimination
Proposal of a Novel Topology of Five-Phase Fractional Slot Concentrated Non-Overlapping Winding with Selective MMF Harmonic Elimination Open
In this paper, a novel topology of five-phase fractional-slot concentrated winding (FSCW) with selective magnetomotive force (MMF) harmonic elimination is proposed. Compared to traditional FSCW with stator shift technique, not only the par…
View article: Integrated drive and reliabilities: fault tolerant architectures and supply
Integrated drive and reliabilities: fault tolerant architectures and supply Open
One major challenge of e-aerospace motor is high densities (kW/kg, Nm/kg) keeping a high functional reliability. With high switching frequency Voltage Source Inverter (VSI) using Wide-Band Gap (WBG) components, the DC-bus capacitor mass ca…
View article: Quantitative Comparisons of Outer-Rotor Permanent Magnet Machines of Different Structures/Phases for In-Wheel Electrical Vehicle Application
Quantitative Comparisons of Outer-Rotor Permanent Magnet Machines of Different Structures/Phases for In-Wheel Electrical Vehicle Application Open
As one of the key components, low-speed direct-drive in-wheel machines with high compact volume and high torque density are important for the traction system of electric vehicles (EVs). This paper introduces four different types of outer-r…
View article: Optimal Design of a Five-phase External Rotor Permanent Magnet Machine for Convey Application
Optimal Design of a Five-phase External Rotor Permanent Magnet Machine for Convey Application Open
This paper proposes the design and development of a five-phase external rotor permanent magnet synchronous machine (PMSM) which is used for direct drive convey application. Firstly, the slot/pole combination of fraction slot concentrated w…
View article: Seven-phase Axial And Radial Flux In-wheel Machine With Three Active Air Gaps
Seven-phase Axial And Radial Flux In-wheel Machine With Three Active Air Gaps Open
For in-wheel machine, outer rotor machines appear as a natural solution. Practically these machines are either radial-flux with one rotor or axial-flux with two rotors. The paper is proposing a machine with three outer rotors with two diff…
View article: Fault-Tolerant Control for Non-sinusoidal Seven-phase PMSMs with Similar Copper Losses
Fault-Tolerant Control for Non-sinusoidal Seven-phase PMSMs with Similar Copper Losses Open
This paper proposes a strategy using new
\ntransformation matrices to calculate new current references when
\na non-sinusoidal seven-phase permanent magnet synchronous
\nmachine (PMSM) has an open-circuited phase. The new current
\nreferen…
View article: An approach to compare multiphase drives for automotive safety applications
An approach to compare multiphase drives for automotive safety applications Open
Automotive safety applications will be soon a standard based on market evolution trends. Actuators performing safety operations, such as steering or braking, need to be more reliable with a low manufacturing cost. Multiphase drives seem to…
View article: Enhancement of Sensorless Control for Non-Sinusoidal Multiphase Drives-Part I: Operation in Medium and High-Speed Range
Enhancement of Sensorless Control for Non-Sinusoidal Multiphase Drives-Part I: Operation in Medium and High-Speed Range Open
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 s…
View article: 2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)
2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM) Open
Automotive industry is evolving towards more fault-tolerant actuators to fulfill future autonomous vehicles requirements. Critical applications such as steering or braking have to resist to fault occurrences while being low cost due to mas…
View article: Sensorless Control for Non-Sinusoidal Five-Phase Interior PMSM Based on Sliding Mode Observer
Sensorless Control for Non-Sinusoidal Five-Phase Interior PMSM Based on Sliding Mode Observer Open
This paper proposes a sensorless control strategy based on Sliding Mode Observer (SMO) for a Five-phase Interior Permanent Magnet Synchronous Machine (FIPMSM), with a consideration of the third harmonic component. Compared to conventional …
View article: Adaline-Based Control Schemes for Non-Sinusoidal Multiphase Drives—Part II: Torque Optimization for Faulty Mode
Adaline-Based Control Schemes for Non-Sinusoidal Multiphase Drives—Part II: Torque Optimization for Faulty Mode Open
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 determ…
View article: Fault-Tolerant Control for Nonsinusoidal Multiphase Drives With Minimum Torque Ripple
Fault-Tolerant Control for Nonsinusoidal Multiphase Drives With Minimum Torque Ripple Open
For non-sinusoidal electromotive force (NS-EMF) multiphase machines, this paper proposes a new strategy and control scheme to guarantee smooth torque under an open-phase fault. Notably, the conventional proportional-integral (PI) controlle…
View article: Adaline-Based Control Schemes for Non-Sinusoidal Multiphase Drives–Part I: Torque Optimization for Healthy Mode
Adaline-Based Control Schemes for Non-Sinusoidal Multiphase Drives–Part I: Torque Optimization for Healthy Mode Open
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 electric…
View article: Sensorless Control for Non-sinusoidal Five-phase Interior PMSM based on Sliding Mode Observer
Sensorless Control for Non-sinusoidal Five-phase Interior PMSM based on Sliding Mode Observer Open
This paper proposes a sensorless control strategy based on Sliding Mode Observer (SMO) for a Five-phase Interior Permanent Magnet Synchronous Machine (FIPMSM), with a consideration of the third harmonic component. Compared to conventional …
View article: Sensorless Control of a Seven-phase Non-sinusoidal Permanent Magnet Synchronous Machine Using High Frequency Signal Injection Method
Sensorless Control of a Seven-phase Non-sinusoidal Permanent Magnet Synchronous Machine Using High Frequency Signal Injection Method Open
This paper presents a sensorless control strategy for seven-phase non-sinusoidal permanent magnet synchronous machine (NSPMSM) with high frequency signal injection (HFSI) method in 5th harmonic subspace. Seven-phase nonsinusoidal machine b…
View article: Investigations on the performances of the electrical generator of a rim-driven marine current turbine”
Investigations on the performances of the electrical generator of a rim-driven marine current turbine” Open
In this paper, the electrical generator of a rim-driven horizontal-axis current turbine is modeled in detail. Its main characteristics and performances are evaluated (efficiency, mass, cost, etc). This generator is of permanent magnet dire…
View article: Virtual current vector‐based method for inverter open‐switch and open‐phase fault diagnosis in multiphase permanent magnet synchronous motor drives
Virtual current vector‐based method for inverter open‐switch and open‐phase fault diagnosis in multiphase permanent magnet synchronous motor drives Open
This paper presents a diagnostic method of inverter open‐switch and open‐phase faults in multiphase permanent magnet synchronous motor (PMSM) drives. First defined are adequate variables called virtual current vectors. The projection of th…
View article: Torque Ripple Eliminations for Multiphase Nonsinusoidal Permanent Magnet Synchronous Machines
Torque Ripple Eliminations for Multiphase Nonsinusoidal Permanent Magnet Synchronous Machines Open
This paper is to propose a control scheme, a combination of the classical field-oriented control (FOC) technique and artificial intelligence (AI), to obtain constant torques in multiphase non-sinusoidal permanent magnet synchronous machine…
View article: A Novel Five-Phase Fractional Slot Concentrated Winding with Low Space Harmonic Contents
A Novel Five-Phase Fractional Slot Concentrated Winding with Low Space Harmonic Contents Open
In this article, a novel five-phase fractional-slot concentrated winding (FSCW) with 20-slot/22-pole is presented. It benefits not only the advantages of conventional FSCW but also weak space harmonics of magnetomotive force (MMF). The win…
View article: Virtual current vector‐based method for inverter open‐switch and open‐phase fault diagnosis in multiphase permanent magnet synchronous motor drives
Virtual current vector‐based method for inverter open‐switch and open‐phase fault diagnosis in multiphase permanent magnet synchronous motor drives Open
Multiphase permanent magnet synchronous motor (PMSM) drives. First defined are adequate variables called virtual current vectors. The projection of the zero‐sequence current component on these variables was used to define two simple fault …
View article: A coupled electromagnetic / hydrodynamic model for the design of an integrated rim - driven naval propulsion system
A coupled electromagnetic / hydrodynamic model for the design of an integrated rim - driven naval propulsion system Open
This paper presents an analytical multi-physic modeling tool for the design optimization of a new kind of naval propulsion system. This innovative technology consists in an electrical permanent magnet motor that is integrated into a duct a…