Research of the Technology and Application of Process Digital Mock-Up for Spacecraft Assembly Based on the MBD

Abstract

After representing the situation of the spacecraft assembly and the concept of Model Based Definition (MBD), the paper describes the method and principle of Assembly Digital Mock-up (ADMU), which achieved the transition of Engineering Bill of Material (EBOM) to Process Bill of Material (PBOM). With reconstructing EBOM and fulfilling structured Product Attribute, the paper gains the ADMU, which is the data source of spacecraft assembly process design based on 3D models.

Research of the Technology and Application of 3D Model Based Assembly Structural Process Design for Spacecraft

“…According to [7],process digital mock-up not only include information about spacecraft, but also include implement, tools and process protecting parts which had been added by process itself. Meanwhile, combination with requirements of design, technological analysis and process planning can be accomplished.…”

“…In order to fulfill the requirement of the spacecraft assembly, this article proposes a design method for 3D structural process scheme, which is based on the Assembly Digital Mock-up (ADMU) defined in [7]. Three keys of designing the scheme are presented.…”

“…Researchers described much technology, such as data definition based model [5][6], digital mock-up construction [7][8], process planning and tools design based 3D models [9][10][11]. And they didn't describe automatic construction of assembly data-package, which is based on 3D structural process design.…”

Research of the Technology and Application of Spacecraft Assembly Data-package Construction Based on MBD

“…Researchers have made much research on about Model Data Definition [3][4], Digital Mock-up construction [2] [5][6], Process Planning and Alteration Control [7][8][9][10][11]. But those papers didn't describe the technology of Data-package Construction Based 3D model and related systems.…”

“…So traditionally the data-package is constructed manually, but the development of Model Based Definition technology makes it possible to construct the data-package automatically [2].…”