Aviation product maintainability multi-domain knowledge modeling method, system, equipment and medium

The invention discloses an aviation product maintainability multi-domain knowledge modeling method, system and device and a medium, and relates to the field of aviation product maintainability design, and the method comprises the steps: constructing an aviation product maintenance interaction process analysis model according to interaction elements under an aviation product maintenance task, according to the aviation product maintenance interaction process analysis model, determining a knowledge expression object involved in aviation product maintainability design; constructing an aviation product maintainability multi-domain knowledge ontology meta-model by utilizing a system modeling language and the basic formalized ontology; constructing an aviation product maintainability design knowledge ontology according to the knowledge expression object and the upper meta-model; and defining and assigning concepts of sub-ontologies in the knowledge ontology and object attributes, data attributes and annotation attri