太阳能帆板平面度测量系统中标定方法研究  

The Study on Calibration Method of Solar Panel Substrate Planeness Measuring System

作　　者：祝世平[1] 房建成[1] 周锐[1] 申功勋[1] 

机构地区：[1]北京航空航天大学宇航学院第五研究室,北京100083

出　　处：《仪器仪表学报》2000年第3期316-318,共3页Chinese Journal of Scientific Instrument

摘　　要：在卫星太阳能帆板的生产制造过程中 ,太阳能帆板的平面度是其中一项重要性能指标。由于太阳能帆板表面结构的特殊性 ,传统的测量方法都不能满足其平面度测量的要求。本文介绍了一种新型的太阳能帆板平面度测量系统 ,并对其中的标定方法进行了详细的研究。本文给出了实际标定过程的详细步骤和标定结果曲线 ,证明光斑图像能量中心在二维图像坐标系中沿 X方向的位移量与被测高度的增加量成很好的线性关系 ,相应的线性最小二乘拟合直线的斜率即为测量系统的标定系数 ,这也是该仪器可以进行相对高度测量的基本依据所在。为了验证测量系统的精度和可靠性 ,进行了静态测量比对实验 ,测量误差小于 13μm( RMS) 。In the manufacturing process of satellite solar panel substrate,the planeness of solar panel substrate is one of the important performance indexex.Because of the particularity of surface structure of solar panel substrate,the classical measuring methods can not satisfy the requirements of planeness measurement.A new type of solar panel substrate planeness measuring system is introduced in this paper,and the calibration method has been studied thoroughly.The total steps of the actual calibration process and the calibration results curve are given in this paper.It proves that the displacement along X axis in 2D Image Coordinates System of the centroidal of light spot image is near ideal linear with the height increment of measured object.The corresponding slope coefficient of linear least square fitting line is the calibration coefficient of the measuring system.And it is the main reason that the measuring system can measure the relative height increment.In order to verify the precision and reliability of the measuring system,the static measuring comparison experiment have been done.It indicates that the measuring error is smaller than 13μm(RMS),and the results show that the measuring precision of the measuring system can satisfy the requirements of actual measurement.

关 键 词：太阳能帆板 平面度测量 标定 图像处理 

分 类 号：TM914.43[电气工程—电力电子与电力传动]