光学与光电技术, 2023, 21 (4): 34, 网络出版: 2024-01-17  

惯导设备用导电滑环瞬断故障分析研究

AnalysisandResearchontheInstantaneousBreakingFaultof ConductiveSlipRingforInertialNavigationEquipment
作者单位
华中光电技术研究所—武汉光电国家研究中心,湖北武汉 430223
摘要
瞬断是表征精密导电滑环性能的主要性能指标,其具有出现概率低、时间短、难以检测的特点,但却又极易对系统造成不确定的影响,直接关系到系统信号传输的可靠性。对惯导设备转台调制过程中出现航姿跳变故障原因进行分析,通过搭建检测系统复现导电滑环的瞬断现象,指出外界微小异物进入环槽必定会导致具有刷丝对称双接触特点的导电滑环产生瞬断现象,从而导致航姿跳变故障的发生,且使导电滑环出现不可逆转的损伤。
Abstract
Transient fracture is the main performance index of precision conductive slip ring. It has the characteristics of low occurrenceprobability,short timeanddifficult todetect. However,it iseasy tocauseuncertain impact on the system, which directly related to the reliability of system signal transmission. In this paper,the cause of attitude jump during the modulation of inertial navigation equipment turntable is analyzed. The instantaneous breaking phenomenon of the conductiveslipringisrepeatedbythedetectionsystem,anditpoints outthatsmallforeign matterenteringtheringgroove willinevitablylead tothetransientbreakingphenomenonoftheconductiveslipringwiththecharacteristicsofsymmetrical doublecontactofbrushwireandirreversibledamageoftheconductiveslipring.
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邹志峰, 周芳媛. 惯导设备用导电滑环瞬断故障分析研究[J]. 光学与光电技术, 2023, 21(4): 34. ZOUZhi-feng, ZHOUFang-yuan. AnalysisandResearchontheInstantaneousBreakingFaultof ConductiveSlipRingforInertialNavigationEquipment[J]. OPTICS & OPTOELECTRONIC TECHNOLOGY, 2023, 21(4): 34.

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