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Disassembly operations' efficiency evaluation in a virtual environment

机译:虚拟环境中反汇编操作的效率评估

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Disassembly operations play a very important role during the initial design phase of industrial products. The available disassembly evaluation methods today seldom make disassembly as the preferred end-of-life solution for the reuse of parts or components in an economically sustainable way for lower value products. In virtual environment (VE), for instance, a human model is often involved in a digital mock-up model for assembly/disassembly (A/D) evaluation. However, it has limited application areas because of the high cost investment. Focusing on the evaluation of disassembly operations in a VE, a method based on five new criteria - visibility of a part, disassembly angles, number of tools' changes, path orientation changing, and sub-assembly stability - is proposed here. All five criteria are presented by automatically calculated dimensionless coefficients, thus allowing the evaluation of the complexity of disassembly sequences in a VE. For this purpose, a mixed virtual reality disassembly environment based on Python programming language has been developed, using Visualisation Toolkit and Open Dynamics Engine libraries. The results of the analysis and findings demonstrate the feasibility of the proposed approach thus providing significant assistance for the evaluation of disassembly sequences during Product Development Process.
机译:在工业产品的初始设计阶段,拆卸操作起着非常重要的作用。如今,可用的拆卸评估方法很少使拆卸成为经济实惠的低价值产品再利用零件或组件的首选报废解决方案。例如,在虚拟环境(VE)中,人体模型通常涉及用于组装/拆卸(A / D)评估的数字模型。然而,由于高成本投资,其应用领域有限。本文着重于评估VE中的拆卸操作,在此提出了一种基于五个新标准的方法-零件的可见性,拆卸角度,工具更换数量,路径方向更改和子装配稳定性。所有五个标准均由自动计算的无量纲系数表示,因此可以评估VE中拆卸序列的复杂性。为此,已经使用Visualization Toolkit和Open Dynamics Engine库开发了基于Python编程语言的混合虚拟现实反汇编环境。分析和发现的结果证明了该方法的可行性,从而为评估产品开发过程中的拆卸顺序提供了重要的帮助。

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