船舶建造测量三维可视化精度控制方法

3D visualization precision controlling for shipbuilding measurement

针对数字化造船精度控制测量中三维可视化应用问题,研究船舶建造测量中特有的三维空间理论和技术方法.首先,提出适合造船测量作业的船台测量坐标系的建立方法,然后,基于精密工业测量空间坐标转换理论,提出船舶建造精密分析理论与方法,用于解决设计对比分析,分段模拟搭载、余量分析等用于控制船舶建造精度的三维空间分析应用问题,并结合三维编程技术予以实现.通过编写软件系统实验验证相关理论与方法的可行性,实验表明,该系统可直观分析船舶建造测量点三维精度设计偏差,提高模拟搭载精度并获取分段修整数据.

Aiming at the problem of threedimensional visualization application on precision control measurement of digital shipbuilding,3D space theory and techniques of shipbuilding measurement are researched.Firstly,the method of how to establish shipbuilding berth measurement coordinate system is proposed.Secondly,precise analytical theory and methods for shipbuilding based on space coordinate transformation theory of precision industrial measurement are given in order to solve problems about accuracy control of shipbuilding applications such as comparative analysis,simulated assembling and margin analysis,etc.At last,these methods are achieved by three-dimensional programming,and experiments show that the precision control theory and methods are feasible,which can analyze 3D accuracy of designing intuitively,improve precision of simulated assembling and obtain sub-sections trimming data.