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Summary & Details

E-motor: Source Characterization and Target Prediction up to 4.5kHz Using Component-Based TPA

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Format: PDF

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Paper/Info type: SAE Paper

No.2021-01-1060

Pages: 1-7(Total 7 p)

Date of publication: Aug 2021

Publisher: SAE International

Language: English

Event: Noise and Vibration Conference & Exhibition

Detailed Information

Author(E)	1) Simona Anna Ottaiano, 2) Patrick Corbeels, 3) Harikrishnan Venugopal, 4) Fabio Bianciardi
Affiliation(E)	1) Siemens Industry Software Inc., 2) Siemens Industry Software Inc., 3) KTH-Royal Institute of Technology, 4) Siemens Industry Software Inc.
Abstract(E)	E-motors are characterized by their high-frequency content. This brings a new challenge for a technology such as Component-based Transfer Path Analysis. This paper will intend to show how this modular methodology has been applied for a wiper e-motor. The source is characterized in-situ by a set of blocked forces and alternatively with pseudo forces. Afterward, the independent loads are converted to contact forces using a Frequency Based Substructuring technique, allowing assembly definition and target prediction on a different receiver. Finally, the predicted vibrations on the target assembly are compared to the measured one for validation purposes. A dedicated high-frequency shaker was developed to meet the required data quality. In this way the substructuring technique was applicable in a wide frequency range up to 5 kHz.

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