Assembly modeling technology for satellite virtual assembly

Focused on the issue that making satellite CAD models is time-consuming, which is caused by its complex structure and various components, the assembly modeling technology for satellite virtual assembly is studied. The satellite components are stored in a tree structure. Each node in the tree represents a satellite component. The assembly relationship between components is represented by the parent-child relationship between nodes. Besides, constraint is automatically formed between parent and children so that children could be operated with parent. Based on the tree structure, three functions to facilitate the satellite assembly is designed and realized, which could improve the assembly efficiency. As an application of the above principles, a conceptual design tool for designing satellite structure is developed based on HTML5 and three.js.