Conference contribution
(Abstract of a poster)


A generalized methodology for a compensation of test-bench specific influences of a simulated pass-by compared to real outdoor measurements


Publication Details
Author(s): Bock F, Becker S, Arsić D
Publication year: 2016

Event details
Event: Inter-Noise 2016
Event location: Hamburg
Start date of the event: 21/08/2016
End date of the event: 24/08/2016
Language: English

Abstract

Due to new regulations regarding exterior noise of vehicles, requiring a more complex measurement procedure, and the increasing number of models and vehicle derivatives, the demand of pass-by measurements is increasing. Under these intensified conditions and while keeping organizational efforts low, the simulated pass-by has been widely accepted as an engineering alternative for measurements on real test tracks. Although the ISO 362-3 exactly depicts the setup of the indoor-testing of pass-by noise, some differences between outdoor and indoor measurements can be observed. These are usually caused by the semi-anechoic room itself and the dyno, which doesn’t necessarily represent the real tire-road contact. While the entire development process can be efficiently conducted in the indoor test-bench, type approval has to be performed outdoors. Even small deviations in the indoor measurement results may cause the developed vehicle to fail the type approval. Hence, we suggest a new method for a prognosis of the exterior noise on real test tracks based on indoor measurements. Therefore we have tested a wide range of current vehicles both indoors and outdoors in order to define a transfer function between both test methodologies either for individual vehicles or as a generalized model for test-benches.



How to cite
APA: Bock, F., Becker, S., & Arsić, D. (2016, August). A generalized methodology for a compensation of test-bench specific influences of a simulated pass-by compared to real outdoor measurements. Poster presentation at Inter-Noise 2016, Hamburg, DE.

MLA: Bock, Florian, Stefan Becker, and Dejan Arsić. "A generalized methodology for a compensation of test-bench specific influences of a simulated pass-by compared to real outdoor measurements." Presented at Inter-Noise 2016, Hamburg 2016.

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