关键词: 部分破坏模式, 拆卸无向图, 成本判据, 拆卸序列规划, 机电产品

Abstract: To reduce the influence of electromechanical products'existing components which could not be disassembled in Normal Disassembly Mode(NDM)on Disassembly Sequence Planning(DSP), a DSP approach with Partial Destruction Mode(PDM)was proposed. A disassembly undirected graph model was constructed to describe the constraint information of products. Based on the bottom-up ideas, the objective sequence in PDM was generated by Object Inverse Method(OIM). A mixed constraint matrix based on constraint content was presented to integrate information efficiently, and the rules for cost evaluations in NDM and PDM were established separately. The optimum disassembly sequence was obtained by comparing the cost between objective sequence and normal sequence. A case study of washing machine was used to demonstrate that the proposed method could not only reduce the disassembly cost but improve the disassembly efficiency more effectively.

Key words: partial destruction mode, disassembly undirected graph, cost evaluation, disassembly sequence planning, electromechanical products