EV / HEV NVH TESTING SOLUTION
EV / HEV NVH TESTING SOLUTION
OROS offers a comprehensive solution for Noise, Vibration, and Harshness (NVH) testing in Electric Vehicles (EV) and Hybrid Electric Vehicles (HEV). This solution includes advanced testing software, services, and instrumentation developed in collaboration with EOMYS, a specialist in electromagnetic noise and vibration.
- Instrumentation: High-end acquisition and analysis tools tailored to specific e-NVH challenges, focusing on motor topology, converter strategy, and path contributions.
- Software: e-NVH measurement and analysis tools, including unique features like Spatiogram for quantifying vibration contributions and Sound Design for noise source separation.
- Services: Consulting, technical training, and customized training sessions to address NVH issues at various stages of vehicle design and manufacturing.
- MoDS (Mobile DAQ System): A portable data acquisition system with 4 to 8 channels for in-vehicle testing.
- Electric Markers: Tools for identifying e-NVH excitations based on motor and converter characteristics.
- TPA (Transfer Path Analysis): Method for optimizing acoustic comfort.
- ODS (Operating Deflection Shapes): Visualization of deflection shapes at specific frequencies.
- OMA, EMA (Operational and Experimental Modal Analysis): Techniques using impact hammers or shakers for modal analysis.
- Sound Power and Quality: Measurement and analysis of sound pressure levels and psychoacoustics.
- Source Localization and Sound Mapping: Techniques using sound intensity and Nearfield Acoustic Holography (NAH).
The OROS solutions are applicable in various environments such as laboratories, in-vehicle testing, and production settings, covering data acquisition, structural dynamics, acoustics, and rotating applications.
Catalog excerpts
LOOKING FOR A COMPREHENSIVE SOLUTION FOR YOUR E-NVH CHALLENGES? NVH (Noise, Vibration and Harshness) of Electric Vehicles and Hybrid Electric Vehicles (EV/HEV) requires a wide range of dedicated applicated skills and high-end technology. OROS proposes the most advanced and comprehensive solution to the challenges of e-NVH: Testing Software, Services and Instrumentation. This solution has been developed in cooperation with EOMYS, who is a specialist of electromagnetic noise and vibration. A COMPREHENSIVE E-NVH TESTING SOLUTION Instrumentation Acquisition focused on your needs Software e-NVH measurements & analysis Electric motor Services From training to consultin
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e-NVH signature of electric motors highly depends on motor topology, converter strategy, and structure-borne vs air-borne path contributions. Some specific tools are therefore required to quickly identify and solve e-NVH issues during testing. The solution goes all the way to provide a full range of high-end acquisition and analysis instrumentation. e-NVH environment • anagement of your EV motor M topologies (PMSM, SCIM…). • re analysis of the main excitations P (frequencies, wavenumbers). Electric Markers Based on motor and converter electric characteristics, e-NVH excitations can be spot right...
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