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Author: Jean Le Besnerais

February 15, 2023February 15, 2023Recruitment

INGENIEUR.E R&D DEVELOPPEMENT INFORMATIQUE SCIENTIFIQUE H/F

Descriptif du poste : Au sein de notre équipe informatique, vous travaillez en priorité dans l’équipe de développement du logiciel Manatee sous Python / PySide en suivant le framework agile scrum. […]

September 13, 2022September 13, 2022Technical talks on e-NVH

[ICEM 22] Magnetic noise control of e-machines: best practices for electrical engineers

This tutorial on magnetic noise control techniques of electric machines was presented at the International Conference on Electrical Machines in Valencia, 5th September 2022 by J. Le Besnerais. The tutorial […]

September 28, 2021August 11, 2022Technical notes on magnetic noise and vibrations

What is the effect of temperature on e-NVH?

Impact on excitations Temperature can first influence electromagnetic excitations (e.g. slotting harmonics) responsible for magnetic noise in electric machines. It is already known that cogging torque varies with temperature due […]

July 29, 2021August 24, 2022Technical talks on e-NVH

[SAE NVH 21] Fundamental understanding of Vehicle Electrification & Motor Drive NVH Workshop

EOMYS presents at SAE Noise Vibration Conference on 7th September 2021 Grand Rapids (USA) a technical workshop on Electromagnetic Noise Vibration Harshness of e-motors in automotive applications. The presentation can […]

June 23, 2021November 4, 2022Technical notes on magnetic noise and vibrations

What is the slot/pole combination of main EV/HEV e-powertrains?

Application to e-NVH The slot/pole combination and e-motor topology (induction machine Vs synchronous machine, radial Vs axial flux, internal Vs external rotor) determine the characteristic spectra of slotting magnetic forces […]

June 23, 2021June 27, 2022Technical notes on magnetic noise and vibrations

What is the switching frequency of main EV/HEV e-powertrains?

Definition The switching frequency and switching strategy determine the characteristic voltage and current supply spectra of AC electrical machines. They are chosen to maximize the converter output power, minimize electric […]

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June 8, 2021July 1, 2022Company

Corporate Social Responsability

Method EOMYS Engineering started to think about its impact on society and the environment from its creation. In 2019, a CSR methodology has been developed looking at the company at […]

November 16, 2020August 24, 2022Technical talks on e-NVH

[ASC’S 20] Numerical challenges of CAE-based design of electric motor sound under electromagnetic excitations

EOMYS spoke at the Automotive Solution Center for Simulation day focusing on NVH Simulation for Hybrid and Electric Vehicle Powertrain on 12th November 2020. The presentation prepared by Jean LE […]

August 24, 2020August 24, 2022Technical talks on e-NVH

[ICEM 20] Tutorial on magnetic noise & vibrations in EV HEV electric motors (e-NVH)

During the International Conference on Electrical Machines, EOMYS held a 2-hour tutorial on 23rd August 2020 entitled Magnetic noise & vibrations in EV HEV electric motors (e-NVH). The presentation can […]

March 10, 2020August 23, 2022Publications

[CEREMA] Generation process of electromagnetically excited noise and vibration

Authors M. Glesser, K. Degrendele, J. Le Besnerais Status Accepted in Journée Techniques Acoustique et Vibrations, CEREMA Date 2020 Keywords Psychoacoustics, electric powertrain, sound quality, simulation software Abstract Several physical […]

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