摘要
对虚拟手在虚拟装配中的对象拾取进行了研究,根据手抓取物体时的物理特性,提出了一种基于虚拟手简化面法向距离的碰撞检测算法:对虚拟手的各对象建立切平面模型,并利用简化面与零部件进行碰撞检测。此算法减少了复杂包围盒的生成操作,同时以"面—体"测试替代了传统的"体—体"测试,降低了算法时间复杂度,减少了系统资源消耗。
The paper researched snatching object with virtual hand in virtual assembly, and proposed a novel collision detection algorithm and theory based on normal distance on simplified planes of virtual hand according to the physical feature of snatching object. A tangent plane model was built, with which detect with each object of virtual hand to detect collision between virtual hand and accessories. The algorithm reduces the work on creating complex bounding box. F--V（ face- volume） test was taken from the time complexity of algorithm and resource consuming.
出处
《中国机械工程》
EI
CAS
CSCD
北大核心
2008年第9期1068-1071,共4页
China Mechanical Engineering
关键词
碰撞检测
简化面
法向距离
包围盒
抓取
collision detection
simplified plane
normal distance
bounding box
snatch
