Design and Implementation of Satellite Digital Simulation Platform Based on FMI

In view of the development needs of standardization and generalization of satellite simulation technology, this paper constructs a tool architecture that can support satellite digital simulation based on data exchange interface of FMI standard and model reuse technology. On this basis, the satellite digital simulation platform is designed based on the idea of modularization, and FMI standard encapsulation methods for Simulink and C/C ++ model are given. Using the satellite digital simulation platform, a multi-satellite operation simulation scene is built. Through the remote process call (RPC) technology, the simulation process data is pushed to the visualization platform to complete the visual display of the satellite operation scene. The simulation case shows that the satellite simulation platform can monitor the operation state and change trend of the model. At the same time, the scene visualization platform can dynamically display the operation orbit, attitude and other data of the satellite in real time.