Acoustic noise sources in Hybrid Electric Vehicles or full Electric Vehicles (HEV/EV) must be controlled to guarantee an adequate level of acoustic comfort to both passers-by, drivers, and passengers. This […]
Electromagnetic forces can be a major source of unpleasant noise in electric machines. The presentation focuses on understanding how magnetic noise and vibration are generated by slotting harmonics and switching […]
The article extends the use of tooth Frequency Response Functions (FRF) concept for the analysis of electric motor Noise, Vibration and Harshness due to electromagnetic forces (e-NVH) at intermediate design […]
Summary of e-NVH sound sample Application Hyundai IONIC® (EV HEV NVH) Electrical machine PMSM Supply condition Run-up at max torque Noise sources Electromagnetic, mechanical, aerodynamic See also BMW I3, NissanLeaf, […]
Summary of e-NVH sound sample Application BMW I3® (EV HEV NVH) Electrical machine PMa-SynRM also called HSM (p=6 poles, Zs=72 stator slots) Supply condition Run-up at max torque Noise sources […]