某弹簧分离装置冲击环境统计分析及天地差异性研究

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振动与冲击 ›› 2017, Vol. 36 ›› Issue (17) : 206-210.

论文

高庆 ,2，商霖2，苏大亮3，朱辰2，蔡毅鹏2，赵永辉1

作者信息 +

The shock environment statistical and variant analyses of a spring separate device

Gao Qing1,2，Shang Lin 2，Su Da-liang 3，Zhu Chen2，Cai Yi-peng2，Zhao Yong-hui1

Author information +

文章历史 +

摘要

在分析某弹簧分离装置冲击环境的过程中，发现设备支架相同位置处的冲击数据在多次地面和飞行试验之间存在较大差异。统计分析表明两组冲击环境近似服从对数正态分布；一致性检验结果证明两冲击环境存在显著差异，但散差量级基本一致；初步分析认为边界条件和测量系统是导致天地差异性的主要原因。这些结论能为冲击环境的统计分析、条件制定以及试验设计等提供参考。

Abstract

In the analysis of spring separate device shock environment, the variant between ground test and flight test was found at the same place of equipment bracket. It is shown by statistical analysis that the shock environment comply with lognormal distribution. There is significant difference between ground and flight with consistency test，but levels of variance are almost the same. Boundary conditions and instrumentation system are considered as the most likely major factors. These results can provide references for statistical analysis, defining test specification and designing test of the shock environment.

导出引用

高庆,2，商霖2，苏大亮3，朱辰2，蔡毅鹏2，赵永辉1. 某弹簧分离装置冲击环境统计分析及天地差异性研究[J]. 振动与冲击, 2017, 36(17): 206-210

Gao Qing1,2，Shang Lin 2，Su Da-liang 3，Zhu Chen2，Cai Yi-peng2，Zhao Yong-hui1. The shock environment statistical and variant analyses of a spring separate device[J]. Journal of Vibration and Shock, 2017, 36(17): 206-210

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