In order to design the assembly order (AO) of aircraft more effectively and improve the standardization of AO. This paper presents a heuristic method based on semantics association. First, by analyzing the semantic ontology of AO, the definitions of semantic similarity and semantic association are proposed. Subsequently, according to the semantic distance and attribute of the hierarchical structure of semantic ontology, the semantic similarity of semantic primitives in AO is quantified, so that these semantic primitives can be clustered. Then, based on directed graph theory, the typical semantic primitives of AO are analyzed to quantify their degree of semantic association. Finally, the more normalized AO will be designed in a more efficient way and the results show the effectiveness of the proposed method.
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