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首页> 外文会议>Sixth International Conference on Electronic Measurement amp; Instruments (ICEMI '2003) Vol.1; Aug 18-21, 2003; Taiyuan, China >Experimental Modal Analysis of Local Structural Vibration of S/R Machine
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Experimental Modal Analysis of Local Structural Vibration of S/R Machine

机译：S / R机局部结构振动的实验模态分析

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摘要

This paper presents a vibrating measurement and system identification of local structure of a storage/retrieval machine (S/R machine). Time-domain experimental testing data is acquired by a multi-channel analyzer. From the testing data, modal parameters are extracted, such as structure natural frequency, modal mass, modal shapes and damping ratio, etc. The analysis of local structural vibration and localize the region of noise source have been performed based on modal analysis. In this paper the acoustic intensity measurement is also performed to localize the noise source. The results of two approaches are agreement. These results can be used in some applications such as reducing vibrating noise of during operating conditions.
机译：本文介绍了一个存储/检索机器（S / R机器）的局部结构的振动测量和系统识别。时域实验测试数据是通过多通道分析仪获取的。从测试数据中提取出模态参数，如结构固有频率，模态质量，模态形状和阻尼比等。在模态分析的基础上，对结构局部振动和噪声源区域进行了分析。在本文中，还进行了声强测量以定位噪声源。两种方法的结果是一致的。这些结果可用于某些应用中，例如减少操作条件下的振动噪声。

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