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首页> 外文期刊>Journal of Sound and Vibration >DIRECT MEASUREMENT OF MOMENT MOBILITY .2. AN EXPERIMENTAL STUDY
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DIRECT MEASUREMENT OF MOMENT MOBILITY .2. AN EXPERIMENTAL STUDY

机译:瞬间移动性的直接测量.2。实验研究

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摘要

Two moment exciter configurations are compared both experimentally and through error analysis formulation in order to determine their effectiveness in performing moment mobility measurements. This error analysis, found in the companion paper (Part I), is applied in deriving corrections for actual measurements, in the assessment of the excitation's quality and in judging the sensitivity of the measurement object to false excitation. In order to demonstrate the possibilities and limitations of the proposed methods, experimental results are compared with calculations for two different beam structures. It is seen that the greatest obstacle to overcome in the measurement of moment mobility is the size of the moment exciter's mass. [References: 2]
机译:通过实验和通过误差分析公式比较了两种矩激励器的配置,以确定它们在进行矩迁移率测量中的有效性。在附篇(第一部分)中发现的这种误差分析可用于对实际测量进行校正,对激励质量的评估以及判断测量对象对虚假激励的敏感性。为了证明所提出方法的可能性和局限性,将实验结果与两种不同梁结构的计算结果进行了比较。可以看出,在矩动量的测量中要克服的最大障碍是矩激励器的质量。 [参考:2]

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