Olivier Béthoux
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View article: A new, large Permian Parelmoidae (Insecta, Megasecopteromorpha, Diaphanopterodea) found in Shanxi Province (China)
A new, large Permian Parelmoidae (Insecta, Megasecopteromorpha, Diaphanopterodea) found in Shanxi Province (China) Open
International audience
View article: Modeling of Inter-Turn Short Circuits in a Multiphase Synchronous Motor Using Power-Sharing Capability
Modeling of Inter-Turn Short Circuits in a Multiphase Synchronous Motor Using Power-Sharing Capability Open
International audience
View article: Computational study of partial discharge events in electric drives with segmented power supply
Computational study of partial discharge events in electric drives with segmented power supply Open
The transportation industry (automobile, aerospace) is undergoing a significant shift towards higher voltage supply, to increase embedded power. Increasing the voltage can lead to an increase in the occurrence of partial discharges which h…
View article: Energetic Macroscopic Representation of a Partial Power Converter based Fuel Cell Electric Vehicle
Energetic Macroscopic Representation of a Partial Power Converter based Fuel Cell Electric Vehicle Open
International audience
View article: Analysis of DC-Link Low-Frequency Current Harmonics in Multi-Source Multi-Three-Phase Electric Drives
Analysis of DC-Link Low-Frequency Current Harmonics in Multi-Source Multi-Three-Phase Electric Drives Open
In a multi-source permanent magnet synchronous motor (PMSM) drive, three distinct winding structures can be implemented: multi-sector, multi-three-phase, and highly coupled. However, due to variations in the magnetic coupling between windi…
View article: Fast Computational Dynamic Model of Traction Drive for Electric Vehicles
Fast Computational Dynamic Model of Traction Drive for Electric Vehicles Open
International audience
View article: AC Resistance and Leakage Inductance Estimation for Planar Transformers With Parallel-Connected Windings
AC Resistance and Leakage Inductance Estimation for Planar Transformers With Parallel-Connected Windings Open
International audience
View article: Control of a Segmented Three-Phase Synchronous Motor With Highly Coupled Subwindings
Control of a Segmented Three-Phase Synchronous Motor With Highly Coupled Subwindings Open
International audience
View article: Multi-Criteria Optimal Design for FUEL Cell Hybrid Power Sources
Multi-Criteria Optimal Design for FUEL Cell Hybrid Power Sources Open
This paper presents the development of a global and integrated sizing approach under different performance indexes applied to fuel cell/battery hybrid power systems. The strong coupling between the hardware sizing process and the system su…
View article: Electric Traction Chain with Segmented Power Supply
Electric Traction Chain with Segmented Power Supply Open
International audience
View article: Hydrogen Fuel Cell Road Vehicles and Their Infrastructure: An Option towards an Environmentally Friendly Energy Transition
Hydrogen Fuel Cell Road Vehicles and Their Infrastructure: An Option towards an Environmentally Friendly Energy Transition Open
The latest pre-production vehicles on the market show that the major technical challenges posed by integrating a fuel cell system (FCS) within a vehicle—compactness, safety, autonomy, reliability, cold starting—have been met. Regarding the…
View article: Hydrogen Fuel Cell Road Vehicles: State of the Art and Perspectives
Hydrogen Fuel Cell Road Vehicles: State of the Art and Perspectives Open
Driven by a small number of niche markets and several decades of application research, fuel cell systems (FCS) are gradually reaching maturity, to the point where many players are questioning the interest and intensity of its deployment in…
View article: Optimal Sizing of Fuel Cell Hybrid Power Sources with Reliability Consideration
Optimal Sizing of Fuel Cell Hybrid Power Sources with Reliability Consideration Open
This paper addresses the issue of optimal sizing reliability applied to a fuel cell/battery hybrid system. This specific problem raises the global problem of strong coupling between hardware and control parameters. To tackle this matter, t…
View article: Optimal design methodology for sizing a fuel cell/battery hybrid power source
Optimal design methodology for sizing a fuel cell/battery hybrid power source Open
This paper presents an optimal design methodology enabling to exhibit the best parameters of a complex energy system combing several components and their related control parts. It is based on a particle swarm optimization technique for com…
View article: Reliability Impact in Optimal Sizing of Fuel Cell/Battery Hybrid Power Sources
Reliability Impact in Optimal Sizing of Fuel Cell/Battery Hybrid Power Sources Open
This paper addresses the issue of optimal sizing reliability applied to a fuel cell/battery hybrid system.This specific problem raises the global problem of strong coupling between hardware and control parameters.To tackle this matter, the…
View article: Prediction of PWM-Induced Current Ripple in Subdivided Stator Windings Using Admittance Analysis
Prediction of PWM-Induced Current Ripple in Subdivided Stator Windings Using Admittance Analysis Open
Subdividing stator winding is a way to lower the DC link voltage value in electric drives and reduce the stress on motor insulation. Coupled windings sharing the same stator teeth are modelled in order to evaluate the link between voltages…
View article: Sensitivity Analysis of an Optimal Design Methodology for Hybrid Power System
Sensitivity Analysis of an Optimal Design Methodology for Hybrid Power System Open
International audience
View article: A-ECMS and SDP Energy Management Algorithms Applied to a Fuel Cell Electric Scooter
A-ECMS and SDP Energy Management Algorithms Applied to a Fuel Cell Electric Scooter Open
International audience
View article: Manual of praying mantis morphology, nomenclature, and practices (Insecta, Mantodea)
Manual of praying mantis morphology, nomenclature, and practices (Insecta, Mantodea) Open
This study provides a comprehensive review of historical morphological nomenclature used for praying mantis (Mantodea) morphology, which includes citations, original use, and assignment of homology. All referenced structures across histori…
View article: Experimental validation of off-line energy management strategies applied to a hybrid FC/SC system
Experimental validation of off-line energy management strategies applied to a hybrid FC/SC system Open
The energy management of a hybrid fuel cell / supercapacitor system is studied, both in simulation and on a test bench, for experimental validation. This system can be used to power a urban electric scooter. Two off-line energy management …