一种小型三轴光电跟踪架设计

Design of miniaturized three-axis gimbal

针对过顶机动目标的精密跟踪及光电精密跟踪与测量系统的机动性问题,在总结了现有光电精密跟踪与测量设备的优缺点的基础上,提出了一种小型三轴光电跟踪架结构,首先介绍了地平式跟踪架天顶盲区大小与俯仰轴最大倾斜角度间的关系;接着介绍了天顶区域的跟踪策略;最后介绍了俯仰轴倾斜跟踪时,下行光路的控制方法。研究结果表明,小型三轴光电跟踪架结构紧凑且可实现对目标的过顶跟踪,与能实现目标过顶跟踪的常用的三轴光电跟踪系统相比,结构的动态性能更好,也利于设备的机动运输。

Aiming at precision tracking of maneuvering targets over the top and the mobility of a photoelectric precision tracking and measuring system , in summarizes the advantages and disadvantages of existing photoelectric precision tracking and measuring equipment , a miniature three axis photoelectric tracking gimbal was put forward, first the relationship between horizontal frame size and pitch tracking blind area maximum inclination angle between the axis was introduced; then the tracking strategy of zenith region was introduced; finally the pitch axis tilt tracking control method, downlink optical path was introduced. Study and analysis results show that small three-axis photoelectric tracking frame structure is compact and it can realize the target of overhead tracking. Compared to common three-axis optoelectronic tracking system which can track the goal through the top, the structure of the dynamic performance is better, but also conducive to mobile equipment transportation.