HORIBA MIRA's noise vibration and harshness (NVH) department has always been leading the way in solving our customers problems. The latest innovation to help us do this is a Brüel & Kjær NVH vehicle noise simulator which allows you to drive a virtual vehicle in a realistic environment.
With the NVH simulator, the interior noise of the vehicle will be accurately reproduced for any combination of road speed, engine speed, throttle opening and selected gear. This allows engineers to do the following in a controlled environment:
The vehicle noise can be split into its contributory components to varying degrees of complexity: from a simple powertrain/road and wind noise split, right down to a complete breakdown by every noise generating source. This allows:
Screen view - CAE predictions to be combined with real vehicle data and driven in a virtual vehicle, eg alternative silencer designs, powertrains, tyres, etc.
At each stage of development, the complete virtual vehicle can be driven and re-assessed against competitors to monitor progress and to ensure that no additional NVH issues have been inadvertently introduced.
For more information about Brüel & Kjær, please click here.
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