...峭度值 谐波激励 模态参数识别 【分类号】: TN911.6 【正文快照】: 0引言运行模态分析(O perational M odal A nalysis,OMA)又称为环境激励模态分析,是只从振动响应中提取模态参数的一项技术,而把环境和自然作用力作为不可测得输入...
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In operational modal analysis,the modal parameters are more close to the dynamic characteristic of system in real working condition,because the date is directly come from the real working condition of engine mounting system.
运行模态分析中,由于测试数据直接来源于发动机悬置系统实际振动工作环境,所以运行模态参数能够更加准确的描述系统实际工况下的动态特性。
参考来源 - 发动机悬置系统动力学计算与实验研究·2,447,543篇论文数据,部分数据来源于NoteExpress
其次,本文对主梁进行了模态分析,研究了主梁的振动特性以及运行机构底座处下盖板在振动的影响下,产生裂纹的可能性。
Secondly, carry on the mode analysis to the girder, research the girder vibration property and the probability of crackle takes shape in the vibration effects of traveling organization pedestal.
研究了运用车体模态参数来评估与分析运行平稳性的方法。
This paper proposes the method of using vehicle modal parameters to assess and improve the ride quality of railway vehicle.
因此基于运行模态的结构分析方法被提了出来,并将它作为传统模态分析的一个补充方法。
Hence, an improved operational modal analysis is a useful complement to the traditional modal analysis approach.
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