• Sourcebook Electromobility

    Baden-Württemberg and the Stuttgart Region play a leading role in the field of electromobility in Germany and Europe. The Sourcebook Elektromobility gives a detail-rich overview of the various activities in this area in southwest-Germany and allows for search functions by full-text, organization type or category.

back

Fraunhofer Institute for Building Physics IBP

NVH analysis and sound design for best vehicle acoustics


Contact person

Ansprechpartner Fraunhofer Institute for Building Physics IBP

Prof. Dr.-Ing. Philip Leistner
Nobelstrasse 12
70569 Stuttgart
Phone: +49 711 970 3314
Fax: +49 711 970 3406
akustik@remove-this.ibp.fraunhofer.de
www.ibp.fraunhofer.de/akustik

Organization type

Science & Innovation

Category

training and development, research institutes , universities


the sound of e-mobility

Electric vehicle acoustics research is central at the Department of Acoustics of the Fraunhofer Institute for Building Physics. The focus is on psychoacoustics and mechanisms for managing the sound and vibration of individual components, and the vehicle as a whole. Main research encompasses the study of driver and passenger perception and acceptance of electric vehicles and its uence, as well as e-mobilitys effect on the environment. Fierce debate surrounds the problems associated with pedestrians failing to notice electric cars, particularly in busy inner-city areas. However, integrating audible signals, to warn both occupants and others, is one possible answer. New types or substitute components deployed in e-vehicles generate different kinds of sounds. As the usually dominant noise from a combustion engine is no longer present, sounds and vibrations created by auxiliary units and other parts not associated with the power-train are per-ceived differently. Wind and tyre noise will play a more significant role in e-vehicles than is the case with conventional vehicles. Moreover, different drive types (for example, wheel hub motors) open up new possibilities in vehicle design. These in turn give rise to new ideas for insulating sound and vibration, and for interior acoustics. Vehicle acoustics is an important and complex field that must be taken into account if e-mobility is to become a sustainable, long-term success.