Construction Of 0-100km Virtual Atmosphere Environmental Resources

With the development of virtual test technology,atmospheric environment as an important part of Synthetic Natural Environment(SNE),its modeling and simulation has become an important technology in the field of virtual test at home and abroad.The purpose of this project is to construct the virtual atmospheric environment within aviation space(0-20km)and near space(20km-100km).To provide the atmospheric data resources which conforms to the SEDRIS(Synthetic Environment Data Representation and Interchange Specification),including temperature,pressure,atmospheric density and some other compositions of atmospheric environmental elements.The project can also provide 0-100 km virtual environment resources for Joint Test Platform developed by Automatic Test and Control Institute,Harbin Institute of Technology.It is very important to improve the fidelity of the virtual test and extend the application of the virtual atmospheric environment resources.In order to improve the inconvenience of the use of atmospheric environment resources and the complicated operation and the lack of spatial scope,this paper aims at improving the demand of virtual atmosphere environment in aerospace virtual test application,this paper designs the general scheme of 0-100 km virtual atmospheric environment resources construction and studies the atmospheric environment modeling.As for the aviation space,following the idea of atmospheric environment based on MM5 model,Linux running configuration software is developed to simplify the operation of MM5 scale atmospheric mode and improve the efficiency of data generation.In addition,the atmospheric model such as NRLMSISE-00 is studied,and the atmospheric density and elements of atmospheric composition is increased on the basis of the original atmospheric environmental factors.For the near space,based on the atmospheric environment data of the SABER detector on TIMED satellites,a resource construction method is proposed to implement the construction of near-space atmospheric environment resources through data preprocessing,interpolation algorithm calculation and some other steps.In order to implement the complete and legible data representation and universal lossless data exchange,the thesis studies the SEDRIS technology for converting atmospheric data to STF format.Based on the above research on the technology and method related to the project,the overall scheme of 0-100 km virtual atmospheric environmental resources is presented in this thesis,giving the general requirements analysis of the project implementation.In terms of the demand analysis,the scheme develops MM5 Mode Configuration Operation and Control Software,Space Atmospheric Data Generation Software,Near Space Virtual Atmospheric Environment Resource Construction Software,Virtual Atmospheric Environment Resource Synthesis Service Components and some other related software.By using object-oriented method,the static models and dynamic models of each software are designed.The scheme designs and developed software on Qt Creator and Visual Studio platform and tests the function of softwares.The application is verified to provide virtual test with atmospheric environment resources by the laboratory's Joint Test Platform and the virtual test platform of a certain company.It indicated that the scheme is reasonable,which meets the construction requirements of 0-100 km virtual atmospheric environmental resources.