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 recursive nesting 递归排样(0)
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 RECURSIVE SIMILARITY 递归相似 短句来源 RECURSIVE DYNAMIC ALGEBRA 递归动态代数 短句来源 ②Object nesting. ②对象嵌套。 短句来源 Nestie s nesting capability 雀巢的筑巢本领:从注重亲和力到品质诉求 短句来源

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 recursive nesting
 This reciprocity leads to a recursive nesting of models. This means that a recursive nesting of business collaboration protocols is not possible in the moment.
 This paper proposed 2D irregular shaped nesting algorithm based on gravity center NFP.The problems of polygons touching detection and optimum nesting position selection were resolved here in.All container region and pieces were represented as polygons,and the touching positions can be found by calculation of NFP.In order to get the optimal nesting position,this paper proposed the concept of gravity center NFP.The lowest vertex on gravity center NFP was selected to nest the pieces.For the problem of calculation... This paper proposed 2D irregular shaped nesting algorithm based on gravity center NFP.The problems of polygons touching detection and optimum nesting position selection were resolved here in.All container region and pieces were represented as polygons,and the touching positions can be found by calculation of NFP.In order to get the optimal nesting position,this paper proposed the concept of gravity center NFP.The lowest vertex on gravity center NFP was selected to nest the pieces.For the problem of calculation nesting sequence,this paper presented a recursive nesting algorithm and a genetic algorithm to reduce the wasted area.The proposed algorithm can deal with irregular shaped pieces and container,it can also deal with arbitrary rotation of parts and holes on container region. 提出了一种基于重心NFP的二维不规则多边形排样算法,算法主要包括临界多边形计算和排样定位选优等内容。该算法以多边形来表示板材和待排零件,通过求解临界多边形NFP来得到多边形之间的所有靠接(排放)位置。为了在NFP中进一步得到优化的靠接位置,在NFP的基础上提出了重心NFP的概念,通过选择重心NFP中的最低重心位置来确定零件的排放位置。在零件的排样次序算法上,提出了顺序递归排样算法和遗传算法,以降低排样过程中形成的空腔所造成的浪费。该算法可处理板材和零件均为不规则形状的排样问题,允许零件在全角度范围内进行旋转,并可处理板材内部带孔洞或者边界形成空腔等特殊情况。
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