| Optimization Design of Vibration Isolation Based on Noise Control of Fuel Tank Vibration of Vehicle |
| Received:June 05, 2019 Revised:June 05, 2019 |
| DOI：10.12136/j.issn.1000-890X.2020.03.0205 |
| Key Words: vehicle；fuel tank；noise；vibration isolation pad；dynamic stiffness；static stiffness；NVH performance；simulation analysis |
| Author Name | Affiliation | E-mail | | CUI Zhenhua* | Automotive Engineering Research Center，Guangzhou Automobile Group Co. ，Ltd | cuizhenhua@gacrnd.com | | ZENG Zhixin | Automotive Engineering Research Center，Guangzhou Automobile Group Co. ，Ltd | | | FU Yule | Automotive Engineering Research Center，Guangzhou Automobile Group Co. ，Ltd | | | LONG Shucheng | Automotive Engineering Research Center，Guangzhou Automobile Group Co. ，Ltd | |
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| Abstract: |
| The optimization design of vibration isolation based on the noise control of the fuel tank vibration of vehicle was introduced. According to the measured data of the dynamic stiffness of the vehicle body and fuel tank，and the requirement of the vibration transmission loss rate，the design target value of the static stiffness of the fuel tank vibration isolation pad was determined to be 50 N·mm-1. The structural optimization scheme of the fuel tank vibration isolation pad was obtained by simulation analysis，and the static stiffness was measeured in order to analyze and confirm the accuracy of the design. The vehicle NVH test results showed that the vibration isolation effect was better after the structure optimization of the fuel tank vibration isolation pad. |
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