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直升机载光电稳瞄系统可靠性研究与分析

Reliability of stabilized electro-optical sight system for helicopter

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摘要

稳瞄系统可靠性对直升机载武器系统可靠性具有重要影响。通过对产品可靠性概念和军用光电系统可靠性、直升机载稳瞄系统的功能和组成单元的阐述,给出了舰载直升机光电稳瞄系统的可靠性框图和数学模型。研究了舰载直升机稳瞄系统的可靠性影响因素和系统故障模式,探讨了稳瞄系统结构、光学和电气可靠性,提出通过计算机仿真对稳瞄系统可靠性进行预计分析的方法。某舰载直升机稳瞄系统在96 h可靠性试验过程中出现故障2次,达到MTBF≤32 h的可能性指标要求。对系统可靠性提前进行预估并采取相应的设计措施,保证产品可靠性达到设计要求,提高设计质量,缩短研制周期。

Abstract

Reliability of stabilized electro-optical sight system is important for the helicopter airborne weapon system. The concepts of military electro-optical system are presented, as well as the function and components of the helicopter airborne stabilized sight system. The reliability diagram and mathematical models of shipboard helicopter stabilized sight system are given. The factors influencing the systematical reliability and the failure modes are researched. The reliabilities of stabilized sight system structure, optics and electrics are discussed. A prediction method of reliability for stabilized sight system by computer simulation is proposed. Failure of a shipboard helicopter stabilized sight system occurred for two times during the 96 hours reliability test, which met the reliability requirement that the mean time between failures (MTBF) should be less than 32 hours. Prediction and analysis on the reliability of stabilized sight turret combined with corresponding provisions can improve the design quality and shorten the development cycle.

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中图分类号:TN205

DOI:10.5768/jao201132.0601004

收稿日期:2011-04-13

修改稿日期:2011-07-17

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作者单位    点击查看

吴斌:海军驻20所军代室, 陕西 西安 710065
程刚:西安应用光学研究所, 陕西 西安 710065
郭亮:西安应用光学研究所, 陕西 西安 710065
徐红伟:西安应用光学研究所, 陕西 西安 710065

联系人作者:吴斌(kaley-hdy@163.com)

备注:吴斌(1980-),男,陕西西安人,工程师,主要从事光电装备质量控制、可靠性研究工作

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引用该论文

WU Bin,CHENG Gang,GUO Liang,XU Hong-wei. Reliability of stabilized electro-optical sight system for helicopter[J]. Journal of Applied Optics, 2011, 32(6): 1072-1077

吴斌,程刚,郭亮,徐红伟. 直升机载光电稳瞄系统可靠性研究与分析[J]. 应用光学, 2011, 32(6): 1072-1077

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