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5 results on '"Mipo, J. C."'

1. Design and analysis of advanced nonoverlapping winding induction machines for EV/HEV applications

Author

Gundogdu, T., Zhu, Z.-Q., and Mipo, J.-C.

Abstract

This paper presents a detailed analysis and design guidelines for advanced nonoverlapping winding induction machines (AIMs) with coil-pitch of two slot-pitches by considering some vital empirical rules and flux-weakening characteristics. The aim of the study is to develop a type of new winding and stator topology for induction machines (IMs) that will lead to a decrease in total axial length without sacrificing torque, power, and efficiency. The key performance characteristics of the improved AIMs are investigated by 2D time-stepping finite element analysis (FEA) and compared with those of IMs having fractional and conventional overlapping and nonoverlapping windings. Compared with the conventional overlapping winding counterpart of the AIM, a ~25% shorter axial length without sacrificing torque, output power, and efficiency is achieved. In addition, the influences of major design parameters, such as stator slot, rotor slot and pole numbers, stack length, number of turns per phase, machine geometric parameters, etc., on the flux-weakening characteristics are investigated. It has been concluded that the major design parameters have a considerable effect on the electromagnetic performance. However, among those parameters, the influences of pole number and stack length together with the number of turns on flux-weakening characteristics are significant.

Published
2021

2. Comparison of Approaches for Optimization of Electromagnetic Devices using Finite Element Method

Author

El Bechari, R. (Reda), Brisset, S. (stéphane), Clenet, S. (Stephane), Guyomarch, F. (Frédéric), Mipo, J-C. (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), 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), 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), Université catholique de Lille (UCL)-Université catholique de Lille (UCL)-Centrale Lille-Université de Lille-Arts et Métiers Sciences et Technologies, Université de Lille, Centrale Lille, Arts et Métiers Paris Tech, HEI, Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP], and Valeo Equipements Electriques Moteur [VALEO PES Company]

Subjects
[SPI]Engineering Sciences [physics]
Abstract

International audience; In the context of optimization using finite element method (FEM), many issues arise, mainly numerical noise due to re-meshing when dealing with geometric parameters furthermore the computational time of the overall optimization can be prohibitive. In this paper, we compare different approaches to deal with these issues. In some approaches, optimization method is coupled directly to FEM simulation while other approaches aim to replace the expensive simulation with cheap meta-models that reduce the overall time of optimization. As treating different approaches, a comparison protocol is proposed and two electromagnetic optimization benchmarks are treated.

Published
2019

4. 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

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