A Comprehensive System for Digital Assembly Precision Simulation and Optimization of Aircraft

Abstract Aircraft is a complex product, and it is made by assembling many parts. There are different types of links, bolts, pins are widely used to join the components of this assembly. Assembly precision analysis is an effective means to check the feasibility and quality of aircraft. Therefore, in order to achieve assembly precision analysis accurately, a comprehensive system for digital assembly precision simulation and optimization is developed. The system framework of assembly precision simulation and optimization for aircraft is proposed. First, the precision information modeling based on MBD is researched. Then, vector loops and vector equations are modeled according to deviation accumulation paths. AndMonte Carlo simulation is also introduced to assembly precision analysis. An application is performed and the result shows that the developed system has a great effect to ensure the assembly precision foraircraft.