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A Novel TPA Method Using Parametric Load Models: Validation on Experimental and Industrial Cases
Technical Paper
2009-01-2165
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Despite the fact that Transfer Path Analysis (TPA) is a well known and widely used NVH tool it still has some hindrances, the most significant being the huge measurement time to build the full data model. For this reason the industry is constantly seeking for faster methods.
The core concepts of a novel TPA approach have already been published in a paper at the ISMA 2008 Conference in Leuven, Belgium. The key idea of the method is the use of parametric models for the estimation of loads. These parameters are frequency independent as opposed to e.g. the classical inverse force identification method where the loads have to be calculated separately for each frequency step. This makes the method scalable, enabling the engineer to use a simpler model based on a small amount of measurement data for quick troubleshooting or simply increase accuracy by a few additional measurements and using a more complex model.
The main focus of this paper will be to present different validation cases, first on a fully synthetic TPA dataset, then on a simplified experimental setup and finally on an industrial case, comparing this novel approach with classical TPA.
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Gajdatsy, P., Desmet, W., Gielen, L., Janssens, K. et al., "A Novel TPA Method Using Parametric Load Models: Validation on Experimental and Industrial Cases," SAE Technical Paper 2009-01-2165, 2009, https://doi.org/10.4271/2009-01-2165.Also In
References
- Brandl F. et al Challenges and New Solutions for Transfer Path Analysis, 2008 ISMA Conf. Leuven, Belgium Sept. 2008
- Noumura K. Yoshida J. Method of transfer path analysis for vehicle interior sound with no excitation experiment Proc. FISITA 2006, F2006D183 Yokohama, Japan October 2006
- Lohrmann M. Operational Transfer Path Analysis: Comparison with conventional methods ICSV Conf. Daejeon, Korea July 2008
- Van der Auweraer H. Mas P. Dom S. Vecchio A. Janssens K. Van de Ponseele. P. Transfer Path Analysis in the critical path of vehicle refinement: the role of fast, hybrid and operational path analysis Proc. SAE Noise and Vibration Conf. May 14 17 2007 2007-01-2352
- Guillaume P. et al. Identification of modal parameters from transmissibility measurements 1 st International Operational Modal Analysis Conference April 26 27 2005 Copenhagen, Denmark 2005
- Gajdatsy P. Janssens K. Gielen L. Mas P. Van der Auweraer H. Critical assessment of Operational Path Analysis: effect of coupling between path inputs Acoustics 08 Conf. Paris, France June 2008
- Gajdatsy P. Janssens K. Gielen L. Mas P. Van der Auweraer H. Critical assessment of Operational Path Analysis: mathematical problems of transmissibility estimation Acoustics 08 Conf. Paris, France June 2008
- Gajdatsy P. Janssens K. Gielen L. Mas P. Van der Auweraer H. Critical assessment of Operational Path Analysis: effect of neglected paths ICSV Conf. Daejeon, Korea July 2008
- Janssens K. Gajdatsy P. Van der Auweraer H. Operational path analysis: a critical review ISMA Conf. Leuven, Belgium Sept. 2008
- Janssens K. et al. A novel path contribution analysis method for test-based NVH troubleshooting ISMA Conf., Leuven Belgium Sept. 2008