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Erschienen in:

2023 | OriginalPaper | Buchkapitel

Launching Rattle Noise Test Analysis and Improvement for a SUV with 6AT Automatic Transmission

verfasst von : Jun Zhang, Yongzhong Bao

Erschienen in: Proceedings of China SAE Congress 2022: Selected Papers

Verlag: Springer Nature Singapore

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Abstract

A SUV vehicle equipped with 1.4T engine and 6AT automatic transmission has an impact abnormal noise in the engine cabin during the low speed launching condition, which seriously affects the driving comfort performance. Based on the results of vehicle vibration and noise test and analysis, combined with the transmission power flow analysis of the D gear and R gear, as well as the theoretical assumptions of transmission clearance and rattle phenomenon, it is identified that the abnormal noise key element is the spline clearance of the intermediate output shaft driven gear. In addition, adopting the optimization of spline matching design parameters, the effectiveness of this counter-measures is verified by the vehicle driving subjective evaluation and objective test. This has important engineering guidance value for solving the driveline NVH problems under transient conditions.

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Titel: Launching Rattle Noise Test Analysis and Improvement for a SUV with 6AT Automatic Transmission
verfasst von: Jun Zhang
Yongzhong Bao
Verlag: Springer Nature Singapore
Buch: Proceedings of China SAE Congress 2022: Selected Papers
Print ISBN: 978-981-9913-64-0

Electronic ISBN: 978-981-9913-65-7

Copyright-Jahr: 2023
DOI: https://doi.org/10.1007/978-981-99-1365-7_21

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