直升机载光电平台目标定位误差分析

直升机载光电平台由于安装了阻尼减振器，使机体与光电平台间引入相对角位移，工程中将此角位移等效为简谐振动或直接忽略此角位移的存在，深入研究了角位移对直升机载光电平台目标定位精度的影响。首先，对安装阻尼减振器后的直升机载光电平台相对角位移特点进行介绍；其次，建立了目标定位误差方程；最后，仿真给出了此相对角位移对光电平台目标定位精度的影响。仿真结果表明，光电平台与直升机体间的相对角位移也是当前条件下影响光电平台目标定位的主要误差因素之一。

Abstract

Due to the installation of the damper on the helicopter borne photoelectric platform, relative angular displacement is introduced between the body and the photoelectric platform. In projects it will be considered the same as angular displacement equivalent to harmonic vibration or be ignored, in this paper the positioning accuracy of angular displacement of helicopter borne photoelectric target platform is analyzed in-depth. First of all, the helicopter borne on the installation of damper photoelectric platform relative angular displacement characteristics are introduced. Secondly, the error equations of target location is established. Finally, simulation shows that the effect of the relative angular displacement of the photoelectric platform target positioning accuracy. The simulation results show that relative angular displacement between the helicopter and the photoelectric platform is one of factors of the main error of photoelectric platform targeting under current conditions.

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王东鹤, 陈定荣, 张绍君, 白继清, 何昕, 魏仲慧. 直升机载光电平台目标定位误差分析[J]. 红外技术, 2015, 37(11): 926. WANG Dong-he, CHEN Ding-rong, ZHANG Shao-jun, BAI Ji-qing, HE Xin, WEI Zhong-hui. Targeting Error Analysis on Helicopter Photoelectric Platform[J]. Infrared Technology, 2015, 37(11): 926.

直升机载光电平台目标定位误差分析

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