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《China Mechanical Engineering》 2006-S2
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Study on the Generation of Optimal Assembly Sequence Based on a Tree Model

Dai Guohong~(1,2) Zhang Youliang~1 You Fei~2 1.Nanjing University of Science & Technology,Nanjing,210094 2.Jiangsu Teachers University of Technology,Changzhou,Jiangsu,213001  
A tree-model for assembly sequences planning was proposed after analyzing the char- acteristics of a saembly sequence evaluation,and the generation algorithm of the tree-model was pro- posed.Based on the tree-model of assembly Sequence,a two-phase method for synthetically evalua- ting and optimizing assembly sequence layer by layer was expounded.Weights of all evaluation inde- xes were calculated by using the entropy method.Then,by using the fuzzy synthetic evaluation,the assembly sequence of all data sub-nodes under A or AP in every layer of the assembly sequence tree -model was optimized.Finally,the optimal assembly sequence was generated.Using this method, the calculation extension of the assembly sequence is reduced,and the evaluation efficiency is height- ened.The theory is validated by an example of gear reducer.
【Fund】: 江苏省高技术项目(BG2002004);; 江苏省高校自然科学研究计划项目(02KJB460011)
【CateGory Index】: TP391.7
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