飞行力学
飛行力學
비행역학
FIIGHT DYNAMICS
2010年
1期
92-96
,共5页
菲涅尔光学助降%引导误差%着舰终端误差%着舰安全
菲涅爾光學助降%引導誤差%著艦終耑誤差%著艦安全
비열이광학조강%인도오차%착함종단오차%착함안전
Fresnel lens optical landing%guiding error%terminal landing error%landing security
菲涅尔光学助降系统(FLOIS)是典型的舰载机光学着舰引导系统.分析了影响FLOLS着舰引导精度的指示误差源和光学误差源,包括稳定平台跟踪误差、光源位置与理想着舰点位置偏差、光源温度、飞行员视觉误差,研究了FLOLS相关系统的工作原理和着舰引导误差的产生机理,建立了各误差源的数学模型.通过对FLOLS着舰过程进行重复仿真,使用标准偏差统计方法,得到各着舰引导误差的统计特性,进而得出各误差源影响着舰精度程度比较.
菲涅爾光學助降繫統(FLOIS)是典型的艦載機光學著艦引導繫統.分析瞭影響FLOLS著艦引導精度的指示誤差源和光學誤差源,包括穩定平檯跟蹤誤差、光源位置與理想著艦點位置偏差、光源溫度、飛行員視覺誤差,研究瞭FLOLS相關繫統的工作原理和著艦引導誤差的產生機理,建立瞭各誤差源的數學模型.通過對FLOLS著艦過程進行重複倣真,使用標準偏差統計方法,得到各著艦引導誤差的統計特性,進而得齣各誤差源影響著艦精度程度比較.
비열이광학조강계통(FLOIS)시전형적함재궤광학착함인도계통.분석료영향FLOLS착함인도정도적지시오차원화광학오차원,포괄은정평태근종오차、광원위치여이상착함점위치편차、광원온도、비행원시각오차,연구료FLOLS상관계통적공작원리화착함인도오차적산생궤리,건립료각오차원적수학모형.통과대FLOLS착함과정진행중복방진,사용표준편차통계방법,득도각착함인도오차적통계특성,진이득출각오차원영향착함정도정도비교.
Fresnel lens optical landing system(FLOLS)is a typical optical landing system for contemporary aircraft carriers.Guide error sources and optical error sources impacting the precision of FLOLS,including platform tracking error,light source position and ideal landing position deviations,light source temperature and pilots visual error,Rre analyzed.The working principle and mechanism of errors of related systems to FLOLS ale studied also.Then set up mathematical models of each error source.By repeatedly landing process simulation and standard deviation statistical method,the statistical characteristics of each error are concluded.It makes a comparison among the impacts of each error source on landing accuracy.General conclusions about the terminal landing errors were given.
