星上设备安装姿态高精度自动测量系统设计
发布时间：2018-09-10 21:34
【摘要】：为了满足高分辨率对地观测卫星上设备安装姿态高精度测量的需求,设计了一种由二维龙门导轨、精密转台和CCD成像辅助自准直经纬仪构成的高精度自动姿态测量系统。该系统采用了多传感器数据融合的高精度测量算法,融合了自准直经纬仪的俯仰角、偏航角数据,精密转台的数据以及CCD图像数据,可以精确计算出远间距异面直线间的夹角。同时基于理论安装数据驱动的经纬仪自动定位方法,可以实现经纬仪沿导轨自动定位到最佳准直位置和朝向,再通过局部图像识别可以搜索出立方镜镜面法线的指向,最终实现精确准直。试验中,通过测量标准17面棱体与标准值比对,得到最大偏差为4.1″,标准差为3.3″;通过对模拟卫星上的立方镜进行搜索,可以实现自动化测量。该系统已经在我国高分二号卫星总装测试中进行了应用,保障了高分二号卫星的装配检测精度。
[Abstract]:In order to meet the requirement of high resolution attitude measurement on earth observation satellite, a high precision automatic attitude measurement system is designed, which is composed of two dimensional gantry guide rail, precision turntable and CCD imaging auxiliary auto-collimating theodolite. The system adopts a high precision measurement algorithm of multi-sensor data fusion, which combines the pitch angle, yaw angle data, precision turntable data and CCD image data of the self-collimating theodolite, and can accurately calculate the angle between the distant cross-plane lines. At the same time, the theodolite automatic positioning method based on the theory installation data drive can realize the theodolite automatically locating to the best collimation position and orientation along the guide rail, and then can search the direction of the cubic mirror normal line by local image recognition. Finally, accurate collimation is achieved. In the experiment, the maximum deviation is 4.1 "and the standard deviation is 3.3" by comparing the standard 17 prism with the standard value, and the automatic measurement can be realized by searching the cubic mirror on the simulation satellite. The system has been applied in the assembly test of Gaofeng 2 satellite in China, which ensures the precision of assembly and detection of Gaofen 2 satellite.
【作者单位】： 北京卫星环境工程研究所;北京市航天产品智能装配技术与装备工程技术中心;
【基金】：国家高分专项天基部分资助项目(科工高分[2011]1199号)
【分类号】：TP391.41;V465
本文编号：2235676
[Abstract]:In order to meet the requirement of high resolution attitude measurement on earth observation satellite, a high precision automatic attitude measurement system is designed, which is composed of two dimensional gantry guide rail, precision turntable and CCD imaging auxiliary auto-collimating theodolite. The system adopts a high precision measurement algorithm of multi-sensor data fusion, which combines the pitch angle, yaw angle data, precision turntable data and CCD image data of the self-collimating theodolite, and can accurately calculate the angle between the distant cross-plane lines. At the same time, the theodolite automatic positioning method based on the theory installation data drive can realize the theodolite automatically locating to the best collimation position and orientation along the guide rail, and then can search the direction of the cubic mirror normal line by local image recognition. Finally, accurate collimation is achieved. In the experiment, the maximum deviation is 4.1 "and the standard deviation is 3.3" by comparing the standard 17 prism with the standard value, and the automatic measurement can be realized by searching the cubic mirror on the simulation satellite. The system has been applied in the assembly test of Gaofeng 2 satellite in China, which ensures the precision of assembly and detection of Gaofen 2 satellite.
【作者单位】： 北京卫星环境工程研究所;北京市航天产品智能装配技术与装备工程技术中心;
【基金】：国家高分专项天基部分资助项目(科工高分[2011]1199号)
【分类号】：TP391.41;V465
【相似文献】
相关期刊论文 前1条
1 卢清武;;雷达反射截面积自动测量系统软件[J];航空精密制造技术;1990年05期
，本文编号：2235676
本文链接：https://www.wllwen.com/kejilunwen/ruanjiangongchenglunwen/2235676.html
