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44 results on '"Valeo Electrical Systems"'

1. Simple Method to Reduce Computation Time in Planar Air-Gap 3-D FEM Non-Linear Problems

Author

B. Ristagno, Vincent Lanfranchi, Nicolas Labbe, Julien Fontchastagner, Noureddine Takorabet, D. Giraud, Denis Netter, Groupe de Recherche en Energie Electrique de Nancy (GREEN), Université de Lorraine (UL), Valeo Electrical Systems, VALEO, Valeo Electrical System, and Université de Technologie de Compiègne (UTC)

Subjects
010302 applied physics, Iterative method, Computer science, Iterative methods, Computation, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Finite element analysis, 01 natural sciences, Nonlinear magnetics, Finite element method, Electronic, Optical and Magnetic Materials, Nonlinear system, [SPI]Engineering Sciences [physics], Planar, Control theory, Electromagnetic forces, 0103 physical sciences, Central processing unit, Electrical and Electronic Engineering, Air gaps, Air gap (plumbing), Reduction (mathematics)
Abstract

In this article, an easily implementable method to reduce the CPU time for some 3-D finite-element method (FEM) problems is presented. A translational displacement between two parts on both sides of a planar air gap is considered with a change of coordinates in the air-gap region along the z-axis. To achieve this, formulation and postprocessing are slightly adapted. The proposed method is applied to an academic problem and to an axial electric rotating machine. Results are compared with a usual method. Time savings, ease of implementation, and precision on results are really encouraging with a strong reduction in the CPU time, keeping a low relative deviation. The method could be easily applied to any configurations with the planar air gap as an axial motor.

Published
2020

2. Optimization of DC Starters Based on Reluctance Network Accounting for Armature Reaction Magnetic Field

Author

Sara Bazhar, Julien Fontchastagner, Raphaël Andreux, Noureddine Takorabet, Nicolas Labbe, Valeo Electrical Systems, VALEO, Groupe de Recherche en Electrotechnique et Electronique de Nancy (GREEN), and Université de Lorraine (UL)

Subjects
010302 applied physics, Computer science, Magnetic reluctance, Stator, Mechanical Engineering, [SPI.NRJ]Engineering Sciences [physics]/Electric power, 020208 electrical & electronic engineering, Energy Engineering and Power Technology, 02 engineering and technology, 01 natural sciences, law.invention, [SPI.ELEC]Engineering Sciences [physics]/Electromagnetism, Magnetic core, Control theory, law, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Torque, Brushed DC electric motor, Electrical and Electronic Engineering, Global optimization, Network model, Armature (electrical engineering)
Abstract

International audience; In the new generation of "Stop & Start" starters, a DC series motor with high power density is used. In this application, non-symmetrical machines are used due to the single wave winding in brushed motors. The saturation of the iron core in this application reaches a really high level. Moreover, armature reaction in DC machine with a large stator pole spans makes this phenomenon even more enhanced. All these criteria lead to model the whole machine in highly saturated conditions which is time consuming. In this paper, a fast reluctance network (RN) model for an equivalent machine is proposed. It takes into account the armature reaction in high saturation conditions. It also allows a good accuracy and permits us to show the relevance of taking into account this phenomenon in torque calculation. This model is validated by a finite element (FE) method in many operating points, and by a statistical approach. It shows high robustness and low computation time. Finally, an optimization procedure using this reluctance network model and FE is presented in order to show the accuracy of the RN compared to FE model.

Published
2017

3. Efficient Substrate Noise Coupling Verification and Failure Analysis Methodology for Smart Power ICs in Automotive Applications

Author

Yasser Moursy, Dieu-My Ton, Pierre Tisserand, Hao Zou, G. Pasetti, Marie-Minerve Louerat, Raouf Khalil, Ramy Iskander, Circuits Intégrés Numériques et Analogiques (CIAN), Laboratoire d'Informatique de Paris 6 (LIP6), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), Valeo Electrical Systems, VALEO, and AMS - Austria Mikro Systeme Int. AG

Subjects
Failure analysis, Engineering, Semiconductor device modeling, Hardware_PERFORMANCEANDRELIABILITY, 02 engineering and technology, Integrated circuit, 7. Clean energy, law.invention, Power FET switches, law, Robustness (computer science), Hardware_INTEGRATEDCIRCUITS, 0202 electrical engineering, electronic engineering, information engineering, Electronic engineering, Electrical and Electronic Engineering, Electronic circuit, Substrate coupling, business.industry, Buck converter, 020208 electrical & electronic engineering, Electrical engineering, Chip, [SPI.TRON]Engineering Sciences [physics]/Electronics, 020202 computer hardware & architecture, DC-DC power conversion, Direct coupling, Semiconductor device noise, business
Abstract

This paper presents a methodology to analyze the substrate noise coupling and reduce their effects in smart power integrated circuits. This methodology considers the propagation of minority carriers in the substrate. Hence, it models the lateral bipolar junction transistors that are layout dependent and are not modeled in conventional substrate extraction tools. It allows the designer to simulate substrate currents and check their effects on circuits functionality. The proposed methodology employs a dedicated tool for substrate network generation referred to as AUTOMICS. We applied the methodology on two test cases. The first case is a dc–dc buck converter chip fabricated with a 0.35 $\mu\text{m}$ high-voltage-CMOS technology. The dc coupling current between the switches and the bandgap circuit is simulated and verified with measurements. The second test case is an automotive industrial chip that has a latch-up failure due to substrate coupling. In transient simulations, the failure has been reproduced as in measurements. This highlights the stronghold of the methodology since it can be used to prevent this type of failures before fabrication. The proposed methodology can reduce the number of redesigns in the automotive industry. Hence, it shortens the time-to-market, improves the robustness of the design, and reduces the cost.

Published
2017

4. Investigation on Interior Permanent Magnet Synchronous Machines with Dysprosium free Magnets and Magnets recycling Concept for Hybrid Electrical Vehicle Applications

Author

Li, Ziwei, Kedous-Lebouc, Afef, Dubus, Jean-Marc, Legranger, Jerôme, Fratila, Radu, Garcia, Sylvie, Laboratoire de Génie Electrique de Grenoble (G2ELab), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Valeo Electrical Systems, and VALEO

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Abstract

International audience

Published
2019

5. Effet de la convection sur le dimensionnement d’une machine à flux axial

Author

Querel, Yoann, Boussey, Thomas, Garbuio, Lauric, Kedous-Lebouc, Afef, Gerbaud, Laurent, Mipo, Jean-Claude, Personnaz, Sophie, Laboratoire de Génie Electrique de Grenoble (G2ELab), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Valeo Electrical Systems, and VALEO

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power
Abstract

National audience; Grâce à son faible encombrement, la machine à flux axial est une bonne candidate pour l’hybridation des véhicules thermiques. La pertinence des hypothèses thermiques choisies pour le dimensionnement d’une machine à flux axial est remise en question dans cet article. En effet, le coefficient d’échange thermique étant plus important dans l’entrefer d’une machine à flux axial que dans celui d’une machine à flux radial, la densité de courant peut de facto être plus importante. Cet article se propose de regarder les gains apportés par des hypothèses adaptées à la machine à flux axial.

Published
2018

6. FEA Based Analysis on Effect of Slot Pole Combination on Motor Torque and Magnet Eddy Current Loss With Bonded NdFeB Halbach Rotor

Author

Jean-Marc Dubus, Jean-Paul Yonnet, Amit Kumar Jha, Afef Kedous-Lebouc, Lauric Garbuio, Laboratoire de Génie Electrique de Grenoble (G2ELab), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Valeo Electrical Systems, and VALEO

Subjects
010302 applied physics, Engineering, business.industry, Squirrel-cage rotor, Rotor (electric), 020208 electrical & electronic engineering, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Electrical engineering, 02 engineering and technology, Structural engineering, 7. Clean energy, 01 natural sciences, law.invention, Inductance, Neodymium magnet, law, Magnet, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Eddy current, Cylinder, Torque, business, ComputingMilieux_MISCELLANEOUS
Abstract

The effect of slots poles combination on inductance and torque was investigated on the motor with outer rotor bonded NdFeB Halbach cylinder designed for automotive application. Motor with Halbach rotor has better performance with higher number of slots and poles combination. The magnet eddy loss was calculated and analyzed with different slots poles. The impact of rotor back on the eddy current was also investigated. The eddy loss calculated using 3D FEA models were also compared with 2D and shows a big difference between the two.

Published
2017

7. Slinky stator: The impact of manufacturing process on the magnetic properties

Author

Pierre Faverolle, Mohamad El Youssef, Christiane Cour, Yannick Lavalley, Thomas Lecuppe, Adrien Van Gorp, Abdelkader Benabou, Stephane Clenet, Jean-Claude Mipo, Laboratoire de Mécanique de Lille - FRE 3723 (LML), Université de Lille, Sciences et Technologies-Centrale Lille-Centre National de la Recherche Scientifique (CNRS), Laboratoire électrotechnique et électronique industrielle (LEEI), Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université de Toulouse (UT), L2EP - Équipe Outils et Méthodes Numériques (OMN), Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL)-Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, Université catholique de Lille (UCL)-Université catholique de Lille (UCL), Valeo Electrical Systems, VALEO, Valeo Engine Cooling, Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM)-Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, and HESAM Université (HESAM)-HESAM Université (HESAM)

Subjects
Engineering, Stator, Slinky stator, Mechanical engineering, Welding, Raw material, engineering.material, Sciences de l'ingénieur, 01 natural sciences, [SPI.MAT]Engineering Sciences [physics]/Materials, law.invention, Iron losses, law, 0103 physical sciences, Punching, ComputingMilieux_MISCELLANEOUS, 010302 applied physics, 010308 nuclear & particles physics, business.industry, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Process (computing), Magnetic measurements, Structural engineering, [SPI.ELEC]Engineering Sciences [physics]/Electromagnetism, Electrical steel, Magnet, Manufacturing process, business, Dispersion (chemistry)
Abstract

The manufacturing of a slinky stator core is the result of a sequence of difference processes: straightening, punching, rolling….. It has been shown in the literature that manufacturing processes lead to a degradation of the magnetic properties. However, it is really difficult from the state of art to classify them a priori from the most influent to the less. In order to determine the most influent processes, it is necessary the evaluate quantitatively the impact of impact of each process. In this paper, A campaign of magnetic characterization is carried out on FeSi 1.3% specimens extracted after each process on the manufacturing line of a slinky stator. Samples have different shapes, so different characterization methods were used to determine the normal curves and total losses. Results show that the dispersion in raw material is quite important and depends on the level of induction. Straightening and training processes deteriorate the magnetic material properties and dispersion after both processes is higher than the raw material one. The effect of rolling and cutting are the most harmful compared to the other manufacturing processes, while the compacting process shows a benefic effect.

Published
2017

8. Investigation on surface mounted PM machines with magnet recycling concept for hybrid electrical vehicle applications

Author

Jean-Marc Dubus, Afef Kedous-Lebouc, Awais Ikram, Ziwei Li, Fratila Radu, Jérome Legranger, Laboratoire de Génie Electrique de Grenoble (G2ELab), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Valeo Electrical Systems, VALEO, Valeo Engine Cooling, and Chadebec, Olivier

Subjects
010302 applied physics, Electropermanent magnet, Computer science, 020208 electrical & electronic engineering, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Mechanical engineering, 02 engineering and technology, Network topology, 7. Clean energy, 01 natural sciences, Magnetic flux, law.invention, Electromagnetic coil, law, Magnet, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Torque, Hybrid vehicle, Alternating current, ComputingMilieux_MISCELLANEOUS, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Abstract

The global supply of heavy rare earth magnets can become risky with the rocketing demand of rare earth permanent magnet (PM) machines. This paper focuses on the PM Alternating Current (AC) machines with magnet direct-reuse concept, dedicated to mild hybrid vehicle applications. The designs shall both fulfill all the requirements of the applications and the principle of simple magnet disassembly. Several SPM topologies are proposed in that way and the feasibility of implementing recycled magnets on SPMs is investigated.

Published
2017

9. Design and comparison of outer rotor bonded magnets Halbach motor with different topologies

Author

Afef Kedous-Lebouc, Jean-Paul Yonnet, Jean-Marc Dubus, Amit Kumar Jha, Lauric Garbuio, Laboratoire de Génie Electrique de Grenoble (G2ELab), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Valeo Electrical Systems, and VALEO

Subjects
010302 applied physics, Materials science, business.industry, Rotor (electric), Squirrel-cage rotor, 020208 electrical & electronic engineering, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Electrical engineering, 02 engineering and technology, Structural engineering, 7. Clean energy, 01 natural sciences, Flux linkage, AC motor, Wound rotor motor, Traction motor, law.invention, Quantitative Biology::Subcellular Processes, Halbach array, law, Magnet, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, business, ComputingMilieux_MISCELLANEOUS
Abstract

The outer rotor Halbach cylinder motor is designed for hybrid electric vehicle application. The Halbach cylinder is made of bonded magnet and hence the design presented is high torque density motor with low remanence magnet. Different slots poles combinations for double layer tooth coil winding is also evaluated to find the best combination. The Halbach cylinder motor is also compared with different other motor topologies. The outer rotor Halbach motor has the highest torque compared to other topologies over the whole speed range. Variations of inductance and flux linkage of different topologies are also studied and are presented in the article.

Published
2017
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10. A Priori Error Indicator in the Transformation Method for Problems With Geometric Uncertainties

Author

D. H. Mac, Jean-Claude Mipo, Igor Tsukerman, Stephane Clenet, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), Valeo Electrical Systems, VALEO, Department of Electrical and Computer Engineering [Akron], University of Akron, This work is supported by the program MEDEE funded by the Nord Pas de Calais council and the European Community and supported in part by the National Science Foundation under Grant No. 1216927., Laboratoire d'Électrotechnique et d'Électronique de Puissance (L2EP) - ULR 2697, Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), and Université catholique de Lille (UCL)-Université catholique de Lille (UCL)

Subjects
Discretization, Computer science, Energie électrique [Sciences de l'ingénieur], Scalar (mathematics), random mapping, a priori error indicator, 010103 numerical & computational mathematics, 01 natural sciences, 0103 physical sciences, Applied mathematics, 0101 mathematics, Electrical and Electronic Engineering, Stochastic problem, Electromagnétisme [Sciences de l'ingénieur], 010302 applied physics, Numerical error, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Estimator, Electronic, Optical and Magnetic Materials, random domain, static fields, [SPI.ELEC]Engineering Sciences [physics]/Electromagnetism, Analyse numérique [Mathématique], A priori and a posteriori, Stochastic optimization, [MATH.MATH-NA]Mathematics [math]/Numerical Analysis [math.NA], Vector potential
Abstract

Version éditeur de cette publication à l'adresse suivante : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6514655 To solve stochastic problems with geometric uncertainties, one can transform the original problem in a domain with stochastic boundaries and interfaces to a problem defined in a deterministic domain with uncertainties in the material behavior. The latter problem is then discretized. There exist infinitely many random mappings that lead to identical results in the continuous domain but not in the discretized domain. In this paper, an a priori error indicator is proposed for electromagnetic problems with scalar and vector potential formulations. This leads to criteria for selecting random mappings that reduce the numerical error. In an illustrative numerical example, the proposed a priori error indicator is compared with an a posteriori estimator for both potential formulations This work is supported by the program MEDEE funded by the Nord Pas de Calais council and the European Community and supported in part by the National Science Foundation under Grant No. 1216927.

Published
2013

11. Hybrid Analytical Model Coupling Laplace’s Equation and Reluctance Network for Electrical Machines

Author

Julien Fontchastagner, Nicolas Labbe, Noureddine Takorabet, Sara Bazhar, Valeo Equipements Electriques Moteur (VALEO PES Company), Groupe de Recherche en Electrotechnique et Electronique de Nancy (GREEN), Université de Lorraine (UL), Fontchastagner, Julien, Valeo Electrical Systems, and VALEO

Subjects
010302 applied physics, Physics, Coupling, Laplace's equation, Laplace transform, Magnetic reluctance, business.industry, 020208 electrical & electronic engineering, Mathematical analysis, hybrid magnetic model, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Automotive industry, 02 engineering and technology, analytical formulation, 01 natural sciences, Electronic, Optical and Magnetic Materials, [SPI.ELEC]Engineering Sciences [physics]/Electromagnetism, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Magnetic potential, Electrical and Electronic Engineering, Air gap (plumbing), business, reluctance network, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Abstract

International audience; This paper presents a hybrid magnetic model combining reluctance network and Laplace's equation resolution using magnetic vector potential in the air gap. The coupling of the two models is performed by introducing fictive equivalent magnetomotive forces in the air gap. The model is applied to the study of dc machines used as a starter in automotive application. Good results are obtained compared with finite-element model and experimental measurements.

Published
2016

12. Specific Magnetic Characterization for Massive Magnetic Parts using an Electromagnet Device

Author

Borsenberger, Marc, Benabou, Abdelkader, Cyrille, Baudouin, Régis, Bigot, Faverolle, Pierre, Mipo, Jean-Claude, L2EP - Équipe Outils et Méthodes Numériques (OMN), Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM)-Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), Laboratoire de Conception Fabrication Commande (LCFC), Université de Lorraine (UL)-Arts et Métiers Sciences et Technologies, Valeo Equipements Electriques Moteur (VALEO PES Company), Valeo Electrical Systems, VALEO, Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL)-Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, Université catholique de Lille (UCL)-Université catholique de Lille (UCL), and HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)

Subjects
[SPI.ELEC]Engineering Sciences [physics]/Electromagnetism, [SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS, [SPI.MAT]Engineering Sciences [physics]/Materials
Abstract

International audience

Published
2016

13. Towards Automatic Diagnosis of Minority Carriers Propagation Problems in HV/HT Automotive Smart Power ICs

Author

Thomas Gneiting, G. Pasetti, Heidrun Alius, Hao Zou, Ramy Iskander, Alexander Steinmair, Dieu-My Ton, Pierre Tisserand, E. Seebacher, Yasser Moursy, Circuits Intégrés Numériques et Analogiques (CIAN), Laboratoire d'Informatique de Paris 6 (LIP6), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), Valeo Electrical Systems, VALEO, AMS - Austria Mikro Systeme Int. AG, AdMOS GmbH Advanced Modeling Solutions (AdMOS), European Project: 314135,EC:FP7:ICT,FP7-2012-ICT-GC,AUTOMICS(2012), Moursy, Yasser, and Pragmatic solution for parasitic-immune design of electronics ICs for automotive - AUTOMICS - - EC:FP7:ICT2012-07-01 - 2015-08-31 - 314135 - VALID

Subjects
010302 applied physics, Engineering, Substrate coupling, business.industry, 020208 electrical & electronic engineering, Automotive industry, 02 engineering and technology, Integrated circuit, Hardware_PERFORMANCEANDRELIABILITY, Chip, 01 natural sciences, [SPI.TRON] Engineering Sciences [physics]/Electronics, law.invention, [SPI.TRON]Engineering Sciences [physics]/Electronics, Smart power, law, Robustness (computer science), 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Electronic engineering, Hardware_INTEGRATEDCIRCUITS, Resistor, business, Diode
Abstract

International audience; In this paper, a proposed methodology to identify the substrate coupling effects in smart power integrated circuits is presented. This methodology is based on a tool called AUTOMICS to extract substrate parasitic network. This network comprises diodes and resistors that are able to maintain the continuity of minority carrier concentration. The contribution of minority carriers in the substrate noise is significant in high-voltage and high temperature applications. The proposed methodology along with conventional latch-up problem identification for a test case automotive chip AUTOCHIP1 are presented. The time of the proposed methodology is significantly shorter than the conventional one. The proposed methodology could significantly shorten the time-to-market and ameliorate the robustness of the design.

Published
2016

14. Characterization of the local incremental permeability of a ferromagnetic plate based on a four needles technique

Author

Stephane Clenet, Pierre Faverolle, Jean-Claude Mipo, Abdelkader Benabou, Laure Arbenz, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), L2EP - Équipe Outils et Méthodes Numériques (OMN), HESAM Université (HESAM)-HESAM Université (HESAM)-Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, Laboratoire électrotechnique et électronique industrielle (LEEI), Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS), Valeo Engine Cooling, Valeo Electrical Systems, VALEO, Valeo Equipements Electriques Moteur (VALEO PES Company), Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL), Ecole Centrale de Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, Université catholique de Lille (UCL)-Université catholique de Lille (UCL)-Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP], and Laboratoire d'Électrotechnique et d'Électronique de Puissance (L2EP) - ULR 2697

Subjects
Materials science, Incremental permeability, Matériaux [Sciences de l'ingénieur], Four needles probe, 02 engineering and technology, Sciences de l'ingénieur, 01 natural sciences, [SPI.MAT]Engineering Sciences [physics]/Materials, [SPI]Engineering Sciences [physics], Ferromagnetic Material characterization, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, lamination, Electrical and Electronic Engineering, ComputingMilieux_MISCELLANEOUS, Electromagnétisme [Sciences de l'ingénieur], 010302 applied physics, Operating point, 020208 electrical & electronic engineering, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Mechanics, Magnetic hysteresis, Finite element method, Electronic, Optical and Magnetic Materials, Magnetic field, [SPI.ELEC]Engineering Sciences [physics]/Electromagnetism, Ferromagnetism, Homogeneous, Permeability (electromagnetism), Finite Element modeling, Ferromagnetic material, Material characterization, DC bias
Abstract

International audience; The performances of electrical machines depend highly on the behavior of ferromagnetic materials. In some applications, these materials operate under DC polarization, i.e. when the magnetic field oscillates around a DC bias. In that condition, it is required to know the incremental permeability which characterizes the magnetic behavior of the material around the operating point. In this paper, a non-destructive approach, involving a combination of experiment and Finite Element (FE) technique, is presented in order to determine the incremental permeability. The proposed sensor is based on the four-needles method. With this sensor, Bowler et al. have proposed a method to determine the initial permeability of homogeneous metal plates based on an analytical model. Here we propose to use the same kind of sensor to determine the incremental permeability. The measurement process is analyzed using a FE model. It is shown that the analytical approach reaches its limits if the permeability of the plate and its thickness become too high. A combination between the measurements and a FE model is introduced to overcome this difficulty to determine the incremental permeability. The study of two magnetic steel samples illustrates the interest of this method.

Published
2016

15. Roue polaire d'inducteur de machine électrique tournante

Author

Baratto, Florian, CROUE, Jean-Baptiste, BIGOT, Regis, Becker, Eric, Faverolle, Pierre, Lecomte, Grégory, Rivoirard, Sophie, Quillery, Arnaud, Laboratoire de Conception Fabrication Commande (LCFC), Université de Lorraine (UL)-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), Valeo Electrical Systems, VALEO, Thermique Elaboration Matériaux Applications (ThEMA), Institut Néel (NEEL), and Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])

Subjects
[PHYS.MECA]Physics [physics]/Mechanics [physics]
Abstract

WO2018096051

Published
2016

16. The 4-(tert-Butyldiphenylsiloxy)-3-fluorobenzyl Group: A New Alcohol Protecting Group, Fully Orthogonal with the p-Methoxybenzyl Group and Removable under Desilylation Conditions

Author

Michio Shirai, Linfeng Li, David Crich, Institut de Chimie des Substances Naturelles (ICSN), Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC), Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Institut de Chimie du CNRS (INC)-École Supérieure Chimie Physique Électronique de Lyon-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Génie Electrique de Grenoble (G2ELab), Centre National de la Recherche Scientifique (CNRS)-Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology, Valeo Electrical Systems, VALEO, Research and Development Center (XXX), and Hitachi Chemicals Co

Subjects
Substituent, Alcohol, Ether, [SDV.BC]Life Sciences [q-bio]/Cellular Biology, 010402 general chemistry, 01 natural sciences, Medicinal chemistry, Article, chemistry.chemical_compound, Benzyl Compounds, Methods, Organic chemistry, Microwaves, Protecting group, 010405 organic chemistry, Organic Chemistry, 0104 chemical sciences, 3. Good health, Quaternary Ammonium Compounds, chemistry, Benzyl bromide, Alcohols, 2,3-Dichloro-5,6-dicyano-1,4-benzoquinone, Dimethylformamide, Mannose, Fluoride
Abstract

International audience; A new benzyl ether-type protecting group for alcohols, the 4-(tert-butyldiphenylsiloxy)-3-fluorobenzyl group, is introduced. The protecting group is introduced by means of the readily prepared benzyl bromide and is cleaved with tetrabutylammonium fluoride in dimethylformamide under microwave irradiation. The fluoride substituent provides stability to oxidizing conditions, such that the new protecting group is fully compatible with the removal of p-methoxybenzyl ethers with DDQ. Applications of the new protecting group in the direct stereocontrolled synthesis of beta-mannopyranosides are presented.

Published
2009

17. Torque modeling and optimization of DC machine based on reluctance network taking into account armature magnetic reaction field

Author

Bazhar, Sara, Fontchastagner, Julien, Takorabet, Noureddine, Labbe, N., Andreux, R., Groupe de Recherche en Electrotechnique et Electronique de Nancy (GREEN), Université de Lorraine (UL), Valeo Electrical Systems, VALEO, and Institute of Electrical and Electronics Engineers (IEEE)

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power
Abstract

International audience; In this paper, the main objective is to develop a fast analytical model to be used in optimization process or coupled with other fast analytical models. A reluctance network of DC series machine is developed and shows its accuracy and robustness thanks to the consideration of the armature magnetic reaction (AMR) which is an important phenomenon in high saturated DC motors. This model is validated by a statistical way and presents a fast computation time thanks to an equivalent symmetrical machine. The optimization is used with RN and FE models and shows the efficiency of the RN to find an optimum without needing the FE final step optimization.

Published
2015

18. Characterization of the local Electrical Properties of Electrical Machine Parts with non-Trivial Geometry

Author

Jean-Claude Mipo, Stephane Clenet, Laure Arbenz, Abdelkader Benabou, Pierre Faverolle, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), Valeo Electrical Systems, VALEO, Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL), L2EP - Équipe Outils et Méthodes Numériques (OMN), HESAM Université (HESAM)-HESAM Université (HESAM)-Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, Valeo Equipements Electriques Moteur (VALEO PES Company), Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP], Laboratoire d'Électrotechnique et d'Électronique de Puissance (L2EP) - ULR 2697, and Université catholique de Lille (UCL)-Université catholique de Lille (UCL)-Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies

Subjects
Materials science, Energie électrique [Sciences de l'ingénieur], experimental characterization, Mechanical engineering, Geometry, 02 engineering and technology, Conductivity, 01 natural sciences, Finite Element Modeling, non-trivial geometry, electrical conductivity, law.invention, [SPI.MAT]Engineering Sciences [physics]/Materials, Complex geometry, Electrical resistivity and conductivity, law, 0103 physical sciences, Eddy current, Electrical and Electronic Engineering, ComputingMilieux_MISCELLANEOUS, Simple (philosophy), 010302 applied physics, Mechanical Engineering, [SPI.NRJ]Engineering Sciences [physics]/Electric power, 021001 nanoscience & nanotechnology, Condensed Matter Physics, Finite element method, Electronic, Optical and Magnetic Materials, Characterization (materials science), [SPI.ELEC]Engineering Sciences [physics]/Electromagnetism, Mechanics of Materials, Perfect conductor, 0210 nano-technology
Abstract

In electrical machines, knowing the electrical conductivity is of importance for the eddy current calculation, especially when massive iron parts are involved. Generally the conductivity is measured on samples of raw materials with simple geometries. Indeed, a simple geometry is suitable for applying an analytical approach to deduce the electrical conductivity from the measured electrical quantities. Nevertheless, when a non destructive measurement is required, the measurement of the electrical conductivity can become rather difficult on parts with complex geometry. To that end, with the help of the Finite Element Modeling approach (FEM), a strategy is developed to characterize the local electrical properties of parts with a non-trivial geometry.

Published
2015

19. Etude par éléments finis de la méthode des quatre pointes pour la caractérisation des propriétés électromagnétiques d’une plaque épaisse

Author

Arbenz, Laure, Benabou, Abdelkader, CLENET, Stéphane, MIPO, jean claude, FAVEROLLE, Pierre, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), L2EP - Équipe Outils et Méthodes Numériques (OMN), HESAM Université (HESAM)-HESAM Université (HESAM)-Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, Valeo Electrical Systems, VALEO, Valeo Equipements Electriques Moteur (VALEO PES Company), Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL), and Université catholique de Lille (UCL)-Université catholique de Lille (UCL)-Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies

Subjects
[SPI.ELEC]Engineering Sciences [physics]/Electromagnetism, [SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS, [SPI.MAT]Engineering Sciences [physics]/Materials
Abstract

International audience

Published
2015

20. A general approach for brushed dc machines simulation using a dedicated field/circuit coupled method

Author

Andreux, Raphael, Fontchastagner, J., Takorabet, Noureddine, Labbe, Nicolas, Metral, Jean-Sebastien, Groupe de Recherche en Electrotechnique et Electronique de Nancy (GREEN), Université de Lorraine (UL), Valeo Electrical Systems, and VALEO

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power
Abstract

International audience; This paper deals with the modeling of the brushed DC motor used as a reinforced starter for a micro-hybrid automotive application. The aim of such a system, also called \stop-start", is to stop a combustion engine when the vehicle pulls to a stop, and to restart it when the driver accelerates. A reinforced starter is able to ensure this new function in addition to the classical cold start. Then, its life time has to be widely increased in comparison with a classical starter. They have to be optimized, and more especially their process of commutation in order to minimize commutator and brush wears, and thereby increase the lifetime of the device up to the whole life of the vehicle. The main contribution of the paper is the development of a coupled FE-circuit model taking into account local saturation and arc phenomena. Brush-segment contact resistance introduced in the circuit model has been computed efficiently and compared to measures. The whole model has been validated by experimental measurements which are carried out with specific experimental test benches.

Published
2014

21. A Fast Finite Element Model Taking Into Account 3-D Effects for the Optimal Design of Micro-Hybrid Starters

Author

Julien Fontchastagner, Raphaël Andreux, Noureddine Takorabet, Nicolas Labbe, Groupe de Recherche en Electrotechnique et Electronique de Nancy (GREEN), Université de Lorraine (UL), Valeo Electrical Systems, and VALEO

Subjects
Optimal design, Brushed DC motor, Global Optimization, Computer science, business.industry, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Automotive industry, Overhang effects, Flux, Solid modeling, 2D and 3D Finite Element Method, Multi-objective optimization, Finite element method, Electronic, Optical and Magnetic Materials, Starter, Control theory, Brushed DC electric motor, Torque, Electrical and Electronic Engineering, business, Global optimization
Abstract

International audience; This paper presents a fast method to take into account three dimensional effects in reinforced brushed DC motor used as starterin automotive application. Due to their low cost and simplicity, reinforced starters are used in micro-hybrid vehicles. The specificgeometry of such devices induces axial component of the flux which cannot be accounted for by 2D models. 3D finite element modelsare suitable fur this purpose but their excessive need of CPU time complicates their use in an automatic optimization procedure.The authors propose to identify the overhang effects by using an adapted and corrected 2.5D finite element model which is validatedby 3D computations and experiments. Finally, the 2.5D model is implemented in a multi-objective optimization procedure.

Published
2014

22. Calculation and measurement of eddy-current loss in NdFeB Magnet

Author

Fratila, Radu, Benabou, Abdelkader, Tounzi, A., MIPO, jean claude, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL), L2EP - Équipe Outils et Méthodes Numériques (OMN), Université catholique de Lille (UCL)-Université catholique de Lille (UCL)-Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, Valeo Electrical Systems, VALEO, Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), and HESAM Université (HESAM)-HESAM Université (HESAM)-Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies

Subjects
[SPI.ELEC]Engineering Sciences [physics]/Electromagnetism, [SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS, [SPI.MAT]Engineering Sciences [physics]/Materials
Abstract

International audience

Published
2013

23. Nonlinear magnetization loss in sintered NdFeB magnet due to eddy current heat dissipation

Author

Fratila, Radu, Benabou, Abdelkader, Tounzi, A., MIPO, jean claude, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL), L2EP - Équipe Outils et Méthodes Numériques (OMN), Université catholique de Lille (UCL)-Université catholique de Lille (UCL)-Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, Valeo Electrical Systems, VALEO, Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), and HESAM Université (HESAM)-HESAM Université (HESAM)-Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies

Subjects
[SPI.ELEC]Engineering Sciences [physics]/Electromagnetism, [SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS, [SPI.MAT]Engineering Sciences [physics]/Materials
Abstract

International audience

Published
2013

24. AUTOMICS: A novel approach for substrate modeling for Automotive applications

Author

Moursy, Yasser, Afara, Sahar, Buccella, Pietro, Stefanucci, Camillo, Iskander, Ramy, Kayal, Maher, Sallese, Jean-Michel, Louërat, Marie-Minerve, Chaput, Jean-Paul, Thomas Tomasevic , Marc Veljko, Ben Dhia, Sonia, Boyer, Alexandre, Guegan, Bruno, Poletto, Vanni, Roggero, Andrea, Cavioni, Tiziana, Novarini, Enrico, Seebacher, Ehrenfried, Steinmair, Alexander, Tisserand, Pierre, Ton, Dieu-My, Bousquet, Thierry, Gneiting, Thomas, Circuits Intégrés Numériques et Analogiques (CIAN), Laboratoire d'Informatique de Paris 6 (LIP6), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), Ecole Polytechnique Fédérale de Lausanne (EPFL), Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'analyse et d'architecture des systèmes (LAAS), Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université Toulouse - Jean Jaurès (UT2J), Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT), Équipe Énergie et Systèmes Embarqués (LAAS-ESE), Université de Toulouse (UT)-Université Toulouse Capitole (UT Capitole), STMicroelectronics [Rousset] (ST-ROUSSET), AMS - Austria Mikro Systeme Int. AG, Valeo Electrical Systems, VALEO, Continental, Admos, Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées, and Université Fédérale Toulouse Midi-Pyrénées-Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1)

Subjects
Hardware_INTEGRATEDCIRCUITS, Hardware_PERFORMANCEANDRELIABILITY, [SPI.TRON]Engineering Sciences [physics]/Electronics
Abstract

International audience; This paper introduces the ICT/FP7 STREP project named AUTOMICS. AUTOMICS aims at modeling the substrate current induced by the minority carriers propagation in the substrate of smart power ICs where low and high voltage circuits are integrated on the same chip. Owing to switching of the high-voltage circuits, an induced minority coupling currents may detrimentally disturb the low voltage circuits. However, the substrate minority carrier current is not modeled in the existing models and the designers deal with this current based on their own experience. AUTOMICS attempts to solve this problem and provides facilities to ease the modeling of such parasitics. In AUTOMICS, a new enhanced diode and resistor model is used which accounts for the minority and majority carriers propagation in the semiconductor substrate. A generic CAD tool based on the enhanced diode and resistor models is intended to be developed in AUTOMICS. Using this tool, a circuit model for the whole substrate can be provided. The substrate circuit model in conjunction with the original circuit can be simulated for transient analysis. This will help in the investigation of the electrostatic discharge (ESD) phenomenon which is a compelling motivation of the project. The validation and verification of the designed models are provided by the AUTOMICS consortium. The significant impact of the project is to reduce the cost of the electrical vehicle, to enhance its reliability and to ensure its durability and safety.

Published
2013

25. Comparison of implementation techniques for Galerkin projection between different meshes

Author

Wang, Z., henneron, thomas, Dular, P., Mipo, J-C., Piriou, F., L2EP - Équipe Outils et Méthodes Numériques (OMN), Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM)-Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), Applied and Computational Electromagnetics [Liège] (ACE), Université de Liège-Fonds de la Recherche Scientifique [FNRS]-Institut Montefiore - Département d'Electricité, Electronique et Informatique (Liège), Valeo Electrical Systems, VALEO, BIOVERT (BIOVERT), Institut de recherches sur la catalyse et l'environnement de Lyon (IRCELYON), Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut de Chimie du CNRS (INC), Université de Lyon-Université de Lyon-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL)-Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, and Université catholique de Lille (UCL)-Université catholique de Lille (UCL)

Subjects
[SPI.ELEC]Engineering Sciences [physics]/Electromagnetism, ComputingMilieux_MISCELLANEOUS
Abstract

International audience; To solve multiphysics problems, weak coupling of finite element calculations can be carried out: the subproblems of which the physical nature differs are solved separately on their own meshes. In this case, Galerkin projection provides useful tool to ensure the transfer of physical fields between different meshes. In terms of implementation, the Galerkin projection system can be either accurately assembled over the intersection of two meshes or approximately integrated over the target mesh. This paper describes and compares these two implementation techniques for the Galerkin projection.

Published
2013

26. Modèle 2.5D pour l’optimisation des démarreurs renforcés stop-start

Author

Raphaël Andreux, Julien Fontchastagner, Noureddine Takorabet, Nicolas Labbe, Groupe de Recherche en Electrotechnique et Electronique de Nancy (GREEN), Université de Lorraine (UL), Valeo Electrical Systems, VALEO, and UL, Green

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Abstract

International audience

Published
2013

27. Electrical Contact Resistance Estimation for a Starter Motor by a Tuned Parameter Identification Technique

Author

Demirjian, Razmik, Maréchal, Yves, Coulomb, Jean-Louis, Foggia, Albert, Garbuio, Lauric, Labbe, Nicolas, Laboratoire de Génie Electrique de Grenoble (G2ELab), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Valeo Electrical Systems, and VALEO

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power
Abstract

International audience; The aim of this paper is to evaluate variables that are difficult to measure in a permanent magnet DC motor. These kinds of motors are still frequently used as car starters. The commutation of the current in a coil is done by classical means, via brushes and a mechanical collector. Measuring experimentally the contact electrical resistance at the rotary contact between a brush and a segment is a complex and expensive procedure. An advanced and inexpensive approach is adopted to estimate this quantity. An identification method combining characteristic measurement data and numerical analyses is used to determine the brush-segment contact resistance and to describe its behavior regarding rotational speed. A validation is done by an approximate formula of the contact resistance as a function of angular speed. And then an incorporation of this behavior is carried out in the numerical model, which shows a good concordance with the measurements

Published
2012

28. Improved Structure Of A Wound Rotor Synchronous Machine (wrsm)

Author

Daanoune, Abdeljalil, Foggia, Albert, Garbuio, Lauric, Mipo, Jean-Claude, Li, Li, Laboratoire de Génie Electrique de Grenoble (G2ELab), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Valeo Electrical Systems, and VALEO

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2012

29. Modeling of claw-pole alternator with a global reluctance model based on improved equivalent magnetic circuits with objective of robustness

Author

Perez, Sylvain, Garbuio, Lauric, Foggia, Albert, Kedous-Lebouc, Afef, Mipo, Jean-Claude, Laboratoire de Génie Electrique de Grenoble (G2ELab), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Valeo Electrical Systems, and VALEO

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2012

30. Modeling and optimal control of a hybrid excitation synchronous machine by combining analytical and finite element models

Author

J.C. Mipo, Albert Foggia, Li Li, A. Daanoune, Lauric Garbuio, Laboratoire de Génie Electrique de Grenoble (G2ELab), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Valeo Electrical Systems, and VALEO

Subjects
010302 applied physics, Engineering, business.industry, Computation, [SPI.NRJ]Engineering Sciences [physics]/Electric power, 020208 electrical & electronic engineering, 02 engineering and technology, Optimal control, 01 natural sciences, Finite element method, Direct torque control, Control theory, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Torque, business, Synchronous motor, ComputingMilieux_MISCELLANEOUS, Excitation, Machine control
Abstract

Modeling of hybrid excitation synchronous machines is a crucial step for the determination of control laws. The combination of analytical and numerical models is very useful for high model reliability without being penalized on the computation time. With this method, a field-weakening control strategy is used in this paper. The excitation flux is controled beyond the base speed through torque angle and excitation current while maximizing total efficiency of the machine.

Published
2012

31. A New Method For Design And Optimization Of A Hybrid Excitation Synchronous Machine By Combining Analytical And Finite Element Models

Author

Daanoune, Abdeljalil, Foggia, Albert, Garbuio, Lauric, Mipo, Jean-Claude, Li, Li, Laboratoire de Génie Electrique de Grenoble (G2ELab), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Valeo Electrical Systems, and VALEO

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2012

32. An iron loss model (loss surface) for FeCo sheet and its application in machine design

Author

J. C. Mipo, Li Li, Albert Foggia, Afef Kedous-Lebouc, Laboratoire de Génie Electrique de Grenoble (G2ELab), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Valeo Electrical Systems, and VALEO

Subjects
010302 applied physics, Materials science, Series (mathematics), Epstein frame, Numerical analysis, [SPI.NRJ]Engineering Sciences [physics]/Electric power, 020208 electrical & electronic engineering, Mechanical engineering, Control engineering, 02 engineering and technology, Magnetic hysteresis, 01 natural sciences, Sizing, Harmonic analysis, Hysteresis, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Current (fluid), ComputingMilieux_MISCELLANEOUS
Abstract

This paper deals with the iron loss in the electrical machines. A dynamic hysteresis model (LS model) is established for the noble material AFK502 through a series of Epstein frame measurements. The comparisons are provided between the reconstructed B-H loops and the measured loops, and also the corresponding losses. This model, coupled with the numerical method, is then used in an efficient manner in the machine sizing. With this procedure, two machines of different materials are compared in terms of current supply, losses and efficiency.

Published
2010

33. A Multiphase Traction/Fast-Battery-Charger Drive for Electric or Plug-in Hybrid Vehicles

Author

BRUYERE, Antoine, De Sousa, Luis, Bouchez, Boris, Sandulescu, Paul, Kestelyn, Xavier, SEMAIL, Eric, Valeo Engine Electrical Equipment, École Nationale Supérieure d'Arts et Métiers (ENSAM) - Bordeaux, Valeo Electrical Systems, VALEO, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL), Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), Laboratoire d'Électrotechnique et d'Électronique de Puissance (L2EP) - ULR 2697, and Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP]

Subjects
Electric Vehicle, Electronique [Sciences de l'ingénieur], Plug-in Hybrid Vehicle, On-board Battery Charger, H-bridge Voltage Source Inverter, Multiphase Drive, Control, Energie électrique [Sciences de l'ingénieur], [SPI.NRJ]Engineering Sciences [physics]/Electric power, Automatique / Robotique [Sciences de l'ingénieur], [SPI.AUTO]Engineering Sciences [physics]/Automatic, [SPI.TRON]Engineering Sciences [physics]/Electronics
Abstract

For Electric Vehicles (EV), the charger is one of the main technical and economical weaknesses. This paper focuses on an original electric drive [1]-[3] dedicated to the vehicle traction and configurable as a battery charger without need of additional components. This cheap solution can outfit either electric or plug-in hybrid automotive vehicles, without needing additional mass and volume dedicated to the charger. Moreover, it allows a high charging power, for short duration charge cycles. However, this solution needs specific cares concerning the electrical machine control. This paper deals with the control of this drive [1], focusing on traction mode. In introduction, a review is done about topologies of combined on-board chargers. Then, the studied topology is introduced; using a 3-phase brushless machine supplied with a 6-leg Voltage Source Inverter (VSI). A model for its control is defined in the generalized Concordia frame, considering the traction mode. Then, an analysis of this model is established using a multimachine theory and a graphical formalism (the Energetic Macroscopic Representation denoted EMR). Using EMR, a description of energy flows shows specific control constraints. Indeed, numerical simulations illustrate the perturbations on the currents and the torque when controlling the machine with standard control methodologies. An improved control, deduced from the previous analysis, shows good performances, strongly reducing currents and torque ripples. Fui8 funding within the SOFRACI project

Published
2010

34. Influence of magnetic materials on claw pole machines behavior

Author

Afef Kedous-Lebouc, Li Li, Albert Foggia, J. C. Mipo, Laboratoire Chrono-environnement ( LCE ), Université Bourgogne Franche-Comté ( UBFC ) -Université de Franche-Comté ( UFC ) -Centre National de la Recherche Scientifique ( CNRS ), Laboratoire de Génie Electrique de Grenoble ( G2ELab ), Université Joseph Fourier - Grenoble 1 ( UJF ) -Institut polytechnique de Grenoble - Grenoble Institute of Technology ( Grenoble INP ) -Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique ( CNRS ) -Université Grenoble Alpes ( UGA ), Valeo Electrical Systems, VALEO, Laboratoire Chrono-environnement - CNRS - UBFC (UMR 6249) (LCE), Université de Franche-Comté (UFC), Université Bourgogne Franche-Comté [COMUE] (UBFC)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Génie Electrique de Grenoble (G2ELab), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), and Garcia, Sylvie

Subjects
010302 applied physics, Claw, Computer science, business.industry, 020208 electrical & electronic engineering, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Automotive industry, Mechanical engineering, 02 engineering and technology, Magnetic hysteresis, 01 natural sciences, Finite element method, Electronic, Optical and Magnetic Materials, [ SPI.NRJ ] Engineering Sciences [physics]/Electric power, Simple (abstract algebra), 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Electrical and Electronic Engineering, Magnetic leakage, business, ComputingMilieux_MISCELLANEOUS, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Abstract

This paper presents a study on magnetic materials for claw pole machines which are widely used nowadays in the automobile industry for their simple manufacturing and cost reasons. The finite element analysis with the loss surface model is used to evaluate the iron losses for three categories of material: M800-50A, M330-35A, and AFK502. Comparisons are made in terms of output current, efficiency, as well as iron loss as main characteristics of the machine. On the other hand, the experimental method of loss separation provides a clear idea of the loss distribution in the machines, from which the iron loss can be deduced. A qualitative comparison is made between the two methods, which proves to be coherent.

Published
2010

35. Some armature reaction compensation methods numerical design of experiments and optimization for a hybrid excitation machine

Author

Li Li, Afef Kedous-Lebouc, Luc Kobylansky, Albert Foggia, Jean-Claude Mipo, Laboratoire de Génie Electrique de Grenoble (G2ELab), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Valeo Electrical Systems, VALEO, and Garcia, Sylvie

Subjects
010302 applied physics, Engineering, business.industry, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Demagnetizing field, 020302 automobile design & engineering, Control engineering, Compensation methods, 02 engineering and technology, 01 natural sciences, Magnetic flux, law.invention, 0203 mechanical engineering, Control theory, law, Magnet, 0103 physical sciences, Torque, business, Synchronous motor, Excitation, [SPI.NRJ] Engineering Sciences [physics]/Electric power, Armature (electrical engineering)
Abstract

International audience; This paper presents a hybrid excitation synchronous machine which combines a permanent magnet excitation with a wound field one. With two sources of flux, this kind of machines is cited more and more frequently in vehicle application for easier control of flux. After a brief description of the structure, some methods will be presented to improve the performances of this machine. Simulation results have shown that the armature reaction has a magnetizing effect when it enters in a pole face and a demagnetizing effect when getting out from the same pole, which distorts the main field and to some extent deteriorates the performances of the machines. The methods we present here are based on the principle of armature reaction compensation which might be extended to many synchronous machines. And then, in the last section, a general optimization tool (numerical design of experiments and optimization) is used to maximize the impacts of these methods.

Published
2009

36. Influence of Magnetic Materials on Claw Pole Machines Behaviour

Author

Li, Li, Foggia, Albert, Kedous-Lebouc, Afef, Mipo, Jean-Claude, Garcia, Sylvie, Laboratoire de Génie Electrique de Grenoble (G2ELab), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Valeo Electrical Systems, and VALEO

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Abstract

International audience

Published
2009

37. Choix de matériaux magnétiques pour des machines à griffes

Author

Li, Li, Foggia, Albert, Kedous-Lebouc, Afef, Mipo, Jean-Claude, Laboratoire de Génie Electrique de Grenoble (G2ELab), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Valeo Electrical Systems, VALEO, and Garcia, Sylvie

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Abstract

International audience; La machine à griffes est largement utilisée dans l'industrie automobile grâce à sa fabrication simple et son faible coût. Afin de mieux satisfaire les cahiers des charges de clients qui deviennent de plus en plus exigeants, de nombreux travaux sont faits pour améliorer les performances de ces machines. Le but de cette étude est de voir la possibilité d'améliorer leurs caractéristiques en utilisant différents matériaux magnétiques. La comparaison entre une machine de matériaux traditionnels et celle du matériau de hautes performances (FeCo AFK 502) est faite par la méthode d'éléments finis. Mots clés : machine à griffes, méthode d'éléments finis, matériau de hautes performances.

Published
2008

38. Identification of a 7-phase claw-pole starter-alternator for a micro-hybrid automotive application

Author

Eric Semail, Jean-Marc Dubus, Antoine Bruyere, F. Locment, Alain Bouscayrol, Thomas Henneron, J.C. Mipo, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), Valeo Electrical Systems, VALEO, Futurelec IV (Region Nord Pas de Calais), Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL), and Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP]

Subjects
Alternator (automotive), 0209 industrial biotechnology, Engineering, Energie électrique [Sciences de l'ingénieur], 02 engineering and technology, 7. Clean energy, Multiphase machine, Micro-hybrid, Seven-phase, Claw-pole generator, Automotive engineering, law.invention, 020901 industrial engineering & automation, law, 0202 electrical engineering, electronic engineering, information engineering, Torque, Resistive touchscreen, Vector control, business.industry, [SPI.NRJ]Engineering Sciences [physics]/Electric power, 020208 electrical & electronic engineering, Control engineering, Finite element method, Power (physics), Inductance, business, Low voltage
Abstract

This paper deals with the identification of a new high power starter-alternator system, using both: a Finite Element Method (FEM) modeling and an experimental vector control. The drive is composed of a synchronous 7-phase claw-pole machine supplied with a low voltage / high current Voltage Source Inverter (VSI). This structure needs specific approaches to plan its electrical and mechanical behaviors and to identify the parameters needed for control purpose. At first, a Finite Element Method (FEM) modeling of the machine is presented. It is used for the predetermination of the electromotive forces and of the torque. Experimental results are in good accordance with numerical results. In a second part, resistive and inductive parameters of the drive are determined by an original experimental approach that takes into account each component of the drive: the battery, the VSI and the machine. Futurelec IV (Region Nord Pas de Calais)

Published
2008

39. Identification of sensitive R-L parameters of a Multi-phase drive by a vector control

Author

Bruyère, Antoine, SEMAIL, Eric, LOCMENT, Fabrice, Bouscayrol, Alain, Dubus, J.M, Mipo, Jean-Claude, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 (L2EP), Centrale Lille-Haute Etude d'Ingénieurs-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), Valeo Engine Electrical Equipment, École Nationale Supérieure d'Arts et Métiers (ENSAM) - Bordeaux, Valeo Electrical Systems, VALEO, This work was supported by the French car supplier Valeoand the regional council of France Region-Nord-Pas-De-Calais., Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL), Laboratoire d'Électrotechnique et d'Électronique de Puissance (L2EP) - ULR 2697, and Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP]

Subjects
Energie électrique [Sciences de l'ingénieur], [SPI.NRJ]Engineering Sciences [physics]/Electric power, Micro-hybrid, Automotive, Lundell generator, Seven-phase machine, Claw-pole generator
Abstract

This paper focuses on an experimental method to determine the electric parameters of a seven-phase low-voltage multiphase drive. The drive is a belt driven starter-alternator for powerful cars with Hybrid Electrical Vehicles (HEV) functions. The resistive and inductive parameters are necessary to obtain the six characteristic time constants of the control modeling. Classical direct measurements lead to imprecise results because of very low values for the windings electric resistance (a few mΩ) and inductance (a few μH). Effects of the imprecision on the measurements are all the more important that time constants are obtained by a ratio of cyclic inductances by resistance, with cyclic inductances being a linear combination of seven measured inductances. The methodology for identification detailed in this paper is based on a stator current vector control, in a multi-reference frame. This methodology allows us to get directly these time constants. Numerous measurements allow the robustness of the method to be evaluated This work was supported by the French car supplier Valeoand the regional council of France Region-Nord-Pas-De-Calais.

Published
2008

40. Optimisation of Claw Pole Machine by the Method of Design of Experiments

Author

Bouarroudj, Lilya, Coulomb, Jean-Louis, Foggia, Albert, Tamto, Yolande, Mipo, J.C., Garcia, Sylvie, Laboratoire de Génie Electrique de Grenoble (G2ELab), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Valeo Electrical Systems, and VALEO

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, ComputingMilieux_MISCELLANEOUS, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Abstract

International audience

Published
2006

41. Rotary electrical machine having loss reduction means

Author

Mipo, J.C., Bouarroudj, Lilya, Foggia, Albert, Garcia, Sylvie, Valeo Electrical Systems, VALEO, Laboratoire de Génie Electrique de Grenoble (G2ELab), and Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Published
2006

42. CMachine électrique tournante possédant des moyens de réduction de pertes

Author

Mipo, J.C., Bouarroudj, Lilya, Foggia, Albert, Garcia, Sylvie, Valeo Electrical Systems, VALEO, Laboratoire de Génie Electrique de Grenoble (G2ELab), and Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SPI.NRJ]Engineering Sciences [physics]/Electric power, [SPI.NRJ] Engineering Sciences [physics]/Electric power
Published
2006

43. Design & comparison of a conventional and permanent magnet based claw-pole machine for automotive application

Author

Jean-Claude Mipo, Lauric Garbuio, Jean-Marc Dubus, Afef Kedous-Lebouc, Pranshu Upadhayay, Laboratoire de Génie Electrique de Grenoble (G2ELab), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Valeo Electrical Systems, and VALEO

Subjects
Engineering, Electropermanent magnet, business.industry, 020209 energy, 020208 electrical & electronic engineering, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Magnetic flux leakage, Electrical engineering, Automotive industry, 02 engineering and technology, Magnetic flux, Automotive engineering, Power (physics), Electricity generation, Magnet, 0202 electrical engineering, electronic engineering, information engineering, Torque, business
Abstract

International audience; This paper presents the design and performancecomparison of a conventional claw-pole machine with apermanent magnet based claw-pole machine for automotiveapplication. The magnets are placed in the inter-claw region todecrease the leakage flux and to supply increased magnetic fluxin the machine. It has been observed that with the addition ofpermanent magnets weighing only a few grams, there is asignificant increment of more than 22% in output power of themachine. The geometric dimensions of magnets were also variedto verify their effects on performance and it has been observedthat with the increase in magnet weight there is a non-linearincrement in torque of the machine.

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44. Impact of claw-pole geometry variations on the performance of machine used in automotive application

Author

Jean-Marc Dubus, Afef Kedous-Lebouc, Pranshu Upadhayay, Lauric Garbuio, Jean-Claude Mipo, Laboratoire de Génie Electrique de Grenoble (G2ELab), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Valeo Electrical Systems, and VALEO

Subjects
010302 applied physics, Claw, Mathematics::Combinatorics, [SPI.NRJ]Engineering Sciences [physics]/Electric power, Mechanical engineering, Topology (electrical circuits), Radius, Computer Science::Computational Complexity, 01 natural sciences, Core (optical fiber), Electromagnetic coil, Computer Science::Discrete Mathematics, 0103 physical sciences, Range (statistics), Torque, Undercut, Computer Science::Data Structures and Algorithms, Mathematics
Abstract

International audience; This paper presents the influence of variation invarious geometric parameters of claw-pole topology on theperformance of machine used in automotive application. Due tothree-dimensional flux distribution in the claw-pole topology,variation in geometric parameters of the claw-poles results intochange in performance of the machine. The geometricparameters which have been varied are claw core outer diameter,claw inside radius, claw side plate thickness and claw undercutangle, and the performance of the machine has been evaluatedfor the complete operational speed range from low speed of 600rpm to high speed of 18,000 rpm. By carrying out the aforesaidvariations, it has been observed that there is a significant changein torque during low speed operation.

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