机载振动传感器校准技术研究
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中国飞行试验研究院测试所西安710089

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TP2

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Research on the technical of vibration sensor calibration
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China Flight Test Establishment, Xi’an 710089,China

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    摘要:

    针对目前机载振动传感器校准时间长、效率低的现状,提出在振动台台面上加装一个转接台面。通过对CS18MF中频校准系统进行深入研究,设计且制作了转接台面,并使用ANSYS软件对转接台面做了固有模态分析,得出其固有频率大于39 kHz时会产生共振,远高于机载振动传感器对频率的要求。通过实验室试验表明,制作的转接台面可安装多种类型振动传感器,且最多可安装4个传感器同时校准。该台面用于机载振动校准可大大提高工作效率,且校准精度满足课题要求的5%。

    Abstract:

    In view of the status that the time of airborne vibration transducer calibration is long and the efficiency of calibration is low, the solution proposed in this article is adding a switching table on the shaking table..Through indepth research of CS18MF intermediate frequency calibration system, design and product the switching platform, and use ANSYS software to do the natural modal analysis, then get the resonance frequency. It is concluded that the natural frequency is more than 39 kHz will resonate, far higher than the required frequency of the airborne vibration sensor. Through laboratory test shows that various types of vibration sensor can installed on the switching table and multiple sensors can be installed at the same time to calibration. The switching platform used for airborne vibration calibration can greatly improve the work efficiency and the calibration accuracy can meet the requirements of less than 5%.

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朱丽,黎玮.机载振动传感器校准技术研究[J].电子测量技术,2016,39(10):154-157

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  • 在线发布日期: 2016-11-24
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