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基于ＰＡＤＬ—２ 实体造型系统，提出增量干涉检测法，得到任意两个零件间的连接函数及移动函数，进一步求得装配产品的零件连接图、匹配关系图及稳定性有向图。利用图论的割集法，经装配的几何可行性及稳定性判别后，得到所有可行装配顺序的与／或图表示
Based on the PADL-2 solid modeling system, an incremental interference detection method is proposed to obtain the connection function and the moving function between any two parts. The connection diagram, matching relation diagram and stability directed graph of assembly parts are obtained. Using the graphset cut set method, all feasible assembly sequences and / or graphs are obtained after the geometric feasibility and stability of the assembly are discriminated