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首页> 外文会议>2001 ASME Design Engineering Technical Conferences and Computers and Information in Engineering Conference Vol.3: 6th Design for Manufacturing Conference, 2001, 2001 >ASSEMBLY/DISASSEMBLY SIMULATION EARLY DURING A DESIGN PROCESS
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ASSEMBLY/DISASSEMBLY SIMULATION EARLY DURING A DESIGN PROCESS

机译：设计过程中的装配/分解仿真

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摘要

In this article, a method is presented which can automatically generate all feasible disassembly sequences of a product both from geometric and technological points of views. The components of the assembly are modelled with accurate B-Rep models and the mobility between them is modelled as effective translations, rotations or helical movements. In order to reduce the algorithm complexity inherited from such models, i.e. the number of geometrically feasible sequences and the complexity of the movements, this approach is based on technological data associated to the geometric description of components. The geometric and technological data are taken into account to create associations of components, i.e. the number of components is reduced, and to define criteria for the evaluation and selection of disassembly sequences in order to reduce the number of sequences effectively built and hence the algorithm complexity. Then, user criteria are incorporated to select the best component to mount/dismount for each operation and produce assembly/disassembly sequences. A path trajectory planner is coupled with the sequencing process to generate paths in 3D that avoid obstacles. This approach incorporates geometric models of components as well as technological data, which may be available early during a design process. All these data are not strictly required for the simulation process. Therefore, the simulation can be continuously enriched during the design process and can be initiated early in this process.
机译：在本文中，提出了一种方法，该方法可以从几何和技术角度自动生成产品的所有可行拆卸顺序。使用精确的B-Rep模型对组件的零部件进行建模，并将它们之间的移动性建模为有效的平移，旋转或螺旋运动。为了降低从此类模型继承的算法复杂性，即几何可行序列的数量和运动的复杂性，该方法基于与部件的几何描述相关的技术数据。考虑几何和技术数据以创建组件的关联，即减少组件的数量，并定义评估和选择拆卸序列的标准，以减少有效构建的序列的数量，从而减少算法的复杂性。然后，结合用户标准，为每个操作选择要安装/拆卸的最佳组件，并产生组装/拆卸顺序。路径轨迹计划器与排序过程结合在一起，以3D方式生成避免障碍的路径。这种方法结合了组件的几何模型以及技术数据，这些数据可能会在设计过程的早期提供。对于仿真过程，并非严格要求所有这些数据。因此，可以在设计过程中不断丰富仿真，并可以在此过程的早期启动仿真。

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