Research On Visualization Simulation System Of Spacecraft Orbit And Attitude Control

Space vehicle flight simulation and visualization is an important means to shorten space mission cycle,reduce mission cost,reduce risk and dynamically grasp space flight situation.Based on Scilab/xcos simulation platform and cesium 3D visualization platform,this paper studies the visual simulation system of spacecraft orbit and attitude control,and realizes the simulation and visual demonstration of spacecraft flight,orbit change,orbit determination,attitude determination and attitude change.The main research contents are as follows:(1)Overall design of aerospace visual simulation system.The visual simulation system studied in this paper adopts B/S(Browser/server)architecture,the simulation and visual operation interface adopts browser dynamic web page,and the server adopts spring boot microservice architecture to provide simulation calculation and data processing services for the whole system.The aerospace visual simulation data has a large amount of calculation and high geographical accuracy requirements.The system adopts Scilab/xcos platform to realize the rapid simulation calculation of the simulation module,and cesium is used to provide high-precision geographic information services.(2)Simulation model design of spacecraft orbit and attitude control system.The above visual simulation system is a platform for space mission simulation and visualization,which can realize space launch,space communication,satellite on orbit operation and other space simulation tasks.This paper focuses on the simulation and visualization of spacecraft orbit and attitude control process.On the basis of studying the theory and mathematical model of orbit and attitude control,the orbit extrapolation calculation simulation model,orbit transfer simulation model and satellite attitude calculation simulation model of spacecraft are established.(3)Visual demonstration of simulation process.According to the system design requirements,the visual simulation system software is compiled based on Scilab/xcos and cesium platform,and the simulation model of spacecraft orbit and attitude control system is encapsulated to realize the simulation and visual demonstration of spacecraft orbit and attitude control tasks.In cooperation with an Aerospace Research Institute,the research group has preliminarily realized the design of visual simulation system for spacecraft orbit and attitude control.Space mission has the characteristics of long cycle,great difficulty and high requirements for test conditions.With the help of simulation and visualization system,it can effectively help the decision-making of space mission.The visual simulation system is a platform for the visual simulation of space mission,which can realize the sharing of simulation models.In this study,the system is used to run the orbit and attitude control simulation model of space vehicle,and the cesium platform is used to realize the simulation visualization,intuitively display the on orbit operation process of space vehicle,and meet the design requirements.