From vehicle noise to warning system
Researchers analyse, how mobility caused noise and sound affect humans
Exhibitors
Location
Hall 11, Stand B06
Description
In the automotive engineering sector sound designers have been at work for years to make engines sound better or flashing noises less obtrusive. Due to the transition in mobility towards electrification, the industry is facing completely new challenges in terms of sound. Made possible by binaural or aurally accurate measurement technology, vehicle sounds are examined realistically. Since the legal requirements for acoustic warning systems for the safety of pedestrians and other vulnerable road users leave a great deal of leeway, manufacturers must largely master the balancing act between perceptibility and annoyance of the sounds on their own. Companies receive assistance from the IPEK – Institute of Product Engineering at KIT. The researchers are investigating both, existing car sounds and how future vehicles must sound in order to achieve the highest possible perceptibility with low noise pollution. The researchers' goal is to establish a method for validating vehicle sounds during development on the basis of defined properties. This will eliminate the need for time-consuming studies with test persons and measurements on test tracks. Vehicle noises that are technically induced or synthetically generated are instead investigated on the chassis dynamometer. Measurement technology, such as the artificial head modeled on a human or an acoustic camera, helps to differentiate sounds according to intensity and source. Companies benefit from professional measurement technology at KIT and become part of the acoustic design of the future. In addition to noise, vehicle vibrations can also be measured without contact using a 3D-laser-scanning-vibrometer.
You can get an overview of this technology at KIT stand. More details can be exchanged individually with the responsible scientific employees of KIT after the industry fair.
Contact
Karlsruher Institut für Technologie (KIT)
- Kaiserstr. 12
- 76131 Karlsruhe
- Germany
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