复合材料复杂结构件数据采集及曲面重构 data acquisition and surface reconstruction with composite material and complex components.pdfVIP

Research·Development 复合材料复杂结构件数据采集及曲面重构 Data andSurfaceReconstruction、树th Acquisition Materialand Components Composite Complex 金健朱延娟 (同济大学航空航天与力学学院，上海200092) 摘要：提出一种复合材料复杂构件数据采集与曲面重建的方法。运用移动式三维光学扫描仪，在不同方 位获取构件在当前视角下几何外形的点云数据，通过坐标系的转换，将不同视角下的局部点云数据进行拼接得到 被测构件的全局点云数据。将数据进行预处理，去除测量过程中所产生的噪音数据，并对数据进行简化和分块， 针对每一块点云数据的特点进行曲面重构，从而获得构件的曲面模型。实例表明该方法的可行性和有效性。 关键词：复合材料复杂结构件移动式三维光学扫描仪点云预处理 曲面重构 DoI：10．3969／j．issn．1007—080x．2013．05．003 with materialand amethodfordata andsurfacereconstruction Abstract：Proposing acquisition composite complex 3D is toobtainclouddataofthe incurrent movable opticalscanner，it components components．Using possible at allof coordinate ofviewdifferent thelocalclouddata geometry azimuth．Then，achieving by localcloud orderto clouddataofmeasured the data．In obtainingglobal component successfullyget bycombining surfacemodelof is to thedatatoeliminatedata thewhole preprocess noisy during measuring component，itsupposed and the USreconstructthesurfacemodel atthefeatureof allows process，alsosimplifypartitiondata，which aiming clouddataof hasverifiedthe and ofthismethod． everysinglepoint．Existingexample feasibilityavailability material mova