[1]龙垚坤,叶 特,程海涛,等.空气弹簧系统阻尼试验研究[J].机车电传动,2020,(05):149-152.[doi:10.13890/j.issn.1000-128x.2020.05.122]
　LONG Yaokun,YE Te,CHENG Haitao,et al.Study on Air Spring System Damping Test[J].Electric Drive for Locomotives,2020,(05):149-152.[doi:10.13890/j.issn.1000-128x.2020.05.122]
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空气弹簧系统阻尼试验研究()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2020年05期
页码:
149-152
栏目:
试验检测
出版日期:
2020-09-10

文章信息/Info

Title:
Study on Air Spring System Damping Test
文章编号:
1000-128X(2020)05-0149-04
作者:
龙垚坤; 叶 特; 程海涛; 黄 涛
（株洲时代新材料科技股份有限公司，湖南 株洲 412007）
Author(s):
LONG Yaokun;  YE Te;  CHENG Haitao;  HUANG Tao
( Zhuzhou Time New Material Technology Co., Ltd., Zhuzhou, Hunan 412007, China )
关键词:
空气弹簧; 阻尼; 自由振动; 基础激振; 半功率带宽
Keywords:
air spring;  damping;  free vibration;  foundation excitation;  half power bandwidth
分类号:
U260.331+.5；U463.33+4.2
DOI:
10.13890/j.issn.1000-128x.2020.05.122
文献标志码:
A
摘要:
为研究空气弹簧阻尼试验的准确性和可操作性，首先阐述了自由衰减法、基础激振法和半功率带宽法等进行阻尼试验的理论，然后分别对空气弹簧系统的阻尼试验进行了试验研究，并对比了不同试验方法阻尼结果的差异性和准确性。研究表明，空气弹簧阻尼的3种试验方法都有一定的可操作性，但自由衰减法受气囊结构材质特性的影响较难得到理想的衰减波形；半功率带宽法受试验频率分辨率和提取半功率点的影响很大，试验结果往往有一定的误差；采用基础激振法，能取得较真实的空气弹簧阻尼特性，但在高频区域位移传递函数理论曲线和试验曲线的符合性比较差。研究
Abstract:
In order to explore the accuracy and maneuverability of air spring damping test, the damping experiments theory of free vibration, foundation excitation and half power bandwidth were described, then the air spring damping was studied experimentally and the difference and accuracy of damping results of different test methods were compared. The results showed that the three test methods of air spring damping were operable. The ideal attenuation waveform was difficult to be obtained by the free vibration method because of the influence of the material and structure characteristic of air bag; Half power bandwidth method was greatly affected by test frequency resolution and the extraction of the half power point, there was often a little error in the test results; The foundation excitation method could obtain the real damping characteristic of air spring, but the theory and test curve of displacement transmissibility in the high frequency region were poor compliance. The research provided a reference for air spring damping test.

参考文献/References:

[1] European committee for standardization. Railway applications-Rubber suspension components-Rubber diaphragms for pneumatic suspension springs: BS EN 13597:2003[S]. 2003.[2] 日本工业标准调查会. 铁道车辆用弹簧装置: JIS E4206—1989[S].[3] 靳晓雄, 张立军, 江浩. 汽车振动分析[M]. 上海: 同济大学出版社, 2002.[4] 青岛四方车辆研究所有限公司. 铁道车辆空气弹簧: TB/T 2841—2010[S]. 北京: 中国铁道出版社, 2010.

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备注/Memo

备注/Memo:
作者简介：龙垚坤（1986—），男，硕士，工程师，主要从事轨道车辆悬挂系统的研发工作。
更新日期/Last Update: 2020-09-10