Research Of Universal Simulation Technology For Spacecraft Control System

This thesis described some kind of universal simulation technology for spacecraft control system, which resolve the model re-using problem. The model re-using means the model can use unlimitedly among all kinds of construct configure or scale.Theoretically, to ensure the universal effect of such simulation technology, we study plenty of spacecraft control system, including sensor, actuator, determination and control arithmetic. The study included low orbit spacecraft such as observation satellite, high orbit spacecraft such as GEO satellite and deep- space spacecraft such as lunar satellite and manned spacecraft such as manned spaceship or space lab. The study analyzes the control system device, arithmetic and flight mode of those spacecrafts. Such plenty of study theoretically ensures the universal effect of such simulation technology.Technological, to ensure the universal effect of such simulation technology, we separate arithmetic definition and design parameter when build the mathematical model, we describe the mathematical element and outer parameter when build the simulation model. We take mathematical model's design parameter as simulation model's outer parameter and define the mathematical operation in simulation model by using species-object method. So design parameter of mathematical model compares with outer parameter of simulation model; arithmetic definition of mathematical model compares with mathematical operation of simulation model. We built simulation model for each control system device and arithmetic, such simulation models compose the simulation model database of spacecraft control system.The simulation model database of spacecraft control system include plenty of simulation models, each model can produce it's object model by define outer parameter. A group of such object models could come into being by using some control system design project. Such group simulation models which related with each other could come into being simulation test of this control system design project. So the simulation test could suit for different control system design projects, thus the universal simulation technology for spacecraft control system was realized.The GEO orbit and low orbit spacecraft control system simulation tests validate the feasibility and rationality of universal simulation technology for spacecraft control system, and validate the universal usage and reliability of universal simulation technology for spacecraft control system by analyses the simulation test result. Now universal simulation technology for spacecraft control system can suit for ordinarily three-axis stability spacecraft simulation of all flight procedure. The study achievement of this thesis has already used in some spacecraft design project. So we can conclude that all study content of this technical research has finished, and get the expect goal. The universal simulation technology for spacecraft control system is so valuable in theoretical and engineering field with engineering application foreground.