| 后驱车传动系统扭转与弯曲振动的NVH性能 |
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| 引用本文： | 夏元烽,李宏成,唐禹,田雄. 后驱车传动系统扭转与弯曲振动的NVH性能[J]. 噪声与振动控制, 2011, 31(5): 75-79. DOI: 10.3969/j.issn.1006-1355-2011.05.018 |
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| 作者姓名： | 夏元烽 李宏成 唐禹 田雄 |
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| 作者单位： | （ 1. 长安汽车工程研究院， 重庆 401120； 2. 汽车噪声振动和安全技术国家重点实验室， 重庆 401120 ） |
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| 基金项目： | 本文在完稿过程中,得到了庞剑博士的悉心指导,他严谨的治学精神深深影响了我,在此谨向庞剑博士致以深深的谢意! |
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| 摘 要： | 采用多体动力学理论建立后驱传动系统扭转振动分析的刚柔耦合模型，计算出传动系统各个档位扭转振动的固有频率和振型。传动系统的固有频率影响变速器敲击，并用NVH实验进行验证。系统谐响应分析和强迫振动分析结果通过传动系统扭振实验得到了验证。最后，采用模态综合法计算出传动轴系的弯曲模态，并与有限元法对比，得到较好的一致性。中间支撑刚度影响传动轴系一阶模态。
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| 关 键 词： | 振动与波 后驱传动系统 扭振 多体动力学 模态综合 |
Study on Torsional and Bending Vibration of Rear-drive Transmission |
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| XIA Yuan-feng,LI Hong-cheng,TANG Yu,TIAN Xiong. Study on Torsional and Bending Vibration of Rear-drive Transmission[J]. Noise and Vibration Control, 2011, 31(5): 75-79. DOI: 10.3969/j.issn.1006-1355-2011.05.018 |
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| Authors: | XIA Yuan-feng LI Hong-cheng TANG Yu TIAN Xiong |
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| Affiliation: | ( 1. Changan Auto Global R&D Center, Chongqing 401120, China;2. State Key Laboratory of Vehicle NVH and Safety Technology, Chongqing 401120, China) |
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| Abstract: | A rigid-flexible coupling model for torsional vibration analysis of a rear-drive transmission system is established using multi-body dynamic theory.Natural frequencies and modes of the torsional vibration are calculated for each transmission gear of the transmission system.The system frequencies which influence the transmission rattle are analyzed and verified by NVH testing.The harmonic responses and forced vibration are analyzed and the results are verified by the system's torsional vibration testing.The ... |
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| Keywords: | vibration and wave rear-drive transmission torsion vibration multi-body dynamics modal synthesis |
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