高速受电弓下框架等效阻尼的实验研究
Experimental study on equivalent damping of the lower frame of a high speed pantograph
查看参考文献14篇
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文摘
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良好的弓网关系要求满足弓网接触力平均值的前提下,其标准差尽可能小。已有研究结果表明下框架等效阻尼增大可以有效降低接触力标准差。以DSA380型高速受电弓为研究对象,本文设计了悬挂弹簧法,结合文献中提出的下置弹簧法,实现了将各部件对下框架阻尼贡献的解耦测量分析,提出了采用双阻尼器这一可行的优化设计方案。 |
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其他语种文摘
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An optimal pantograph-catenary relationship requires that the standard deviation of contact force is as small as possible on the premise of reaching the mean value of contact force. Previous studies show that the standard deviation of contact force can be effectively reduced as the equivalent damping of the lower frame increases. Taking the DSA380 high speed pantograph as the research object,the suspension spring method is proposed in this work. By combining with the lower spring method proposed in literatures,we realize the decoupling measurement and analysis of each component's contribution to the damping of lower frame,and propose a feasible optimal design scheme using double dampers. |
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来源
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实验力学
,2020,35(3):425-431 【核心库】
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DOI
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10.7520/1001-4888-20-014
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关键词
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阻尼器
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下臂下铰摩擦
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气囊
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下框架等效阻尼
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解耦测量分析
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地址
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1.
北京化工大学机电工程学院, 北京, 102200
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中国科学院力学研究所, 非线性力学国家重点实验室, 北京, 100190
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北京中车赛德铁道电气科技有限公司, 北京, 100176
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-4888 |
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学科
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系统科学;铁路运输 |
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基金
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国家自然科学基金面上项目
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中国科学院战略性先导科技专项
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文献收藏号
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CSCD:6748854
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