机载光电平台动态检测装置设计

Design of testing equipment for airborne optoelectric platform

以某型机载平台的实际检测需求为出发点,在机载平台实验室条件下,进行跟踪误差、捕获性能等动态性能检测,从理论上分析了以模拟地物目标进行动态精度检测的可行性。结合现有的工程实际与工艺水平讨论了动态检测装置地物目标仿真器(动态精度检测的核心测试设备)的工程化原理与设计,并进行了三维建模实践。在此基础上,重点论述了对测试精度起关键作用的摩擦传动器的设计过程,最终得到了符合动态测试需求的新型检测设备设计方案。实验结果表明:仪器的水平轴系精度<10″,光学投影系统指向精度<15″。

On the basis of the requirement of dynamic testing for a airborne optoelectric platform,the tracking errors and acquiring characteristics of the airbome optoelectric platform were tested simulatively in a lab and the possibility of application of new deigned equipment to dynamic testing was analyzed. The principle and design ideas of the new equipment based on the existing technological standard were investigated, and simulation experiments were carried out. Then, the key parts of new equipment based on the friction transmission principle were discussed. Finally,a new design scheme coincident with testing requirement was obtained. The experiments indicate that the leveling rotation shaft precision of the equipment and the pointing precision of optical projection system are less than 10″ and 15″, respectively.