Petri Net Models for Assembly Sequences Planning

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Assembly sequences can be represented by a Petri net(PN) which characterizes dynamic system changes and provides a tool for obtaining optimal assembly sequences. In this study some assembly operation constraints are considered in order to obtain more practical sequences which are conformed to real situations. In order to enhancing the efficiency of the assembly sequence planning, knowledge-based Petri net, combining an usual Petri net with expert’s knowledge and experiences, is proposed to construct the assembly model. With the complexity of the product, the product’s assembly model size will be too large to analysis. So the basic subnets are used to reduce the large PN. And the reduced version can be used for the analysis of the original PN. To verify the validity and efficiency of the approach, a variety of assemblies including some complicated products from industry are tested, and the corresponding results are also presented.

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Periodical:

Edited by:

Kai Cheng, Yingxue Yao and Liang Zhou

Pages:

411-415

Citation:

Y.L. Fu et al., "Petri Net Models for Assembly Sequences Planning", Applied Mechanics and Materials, Vols. 10-12, pp. 411-415, 2008

Online since:

December 2007

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$38.00

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