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Relative position and posture measurement method for satellite docking ring target based on structured light
Authors
付双飞
李展
郝颖明
Publication date
1 January 2019
Publisher
Abstract
空间非合作目标位姿测量是空间在轨维护的前提。面向空间机械手对空间载体自动抓捕的应用需求,提出了基于结构光的空间非合作目标视觉测量方法。该方法以双套双线结构光测量装置作为测量传感器,以空间载体上普遍存在的星箭对接环作为抓捕目标。根据对接环的共同特点,选择直线特征和点特征相结合作为相对位姿的求解特征;基于直线特征求解圆环平面法向量、基于点特征求解圆环圆心坐标进而得到机械手工具坐标系与对接环坐标系间的相对位姿关系;基于多重几何约束实现了不同光照条件下图像上目标直线的鲁棒识别。建立了演示验证实验系统,在大量演示实验的基础上,进行了实验结果分析
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Last time updated on 16/09/2020