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University Satellites and Space Science Education '2006

University Satellites and
Space Science Education 

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Usage of state-of-the-art information technologies for tracking scientific - educational projects
Belokonov I.V., Kramlih A.V., Soboda S.A., Stukov I.S,, Yakunin A.V.,

For rise of educational effect, strengthening of interest to space researches on the part of youth it is necessary to develop special information the resources, permitting to approach the users located on the Earth to that occurs in space. It is a lot of research experiments in space it is devoted to development of a science about behavior of substance in space conditions with the purpose of creation of the theoretical bases of space production in microgravitation. It is desirable to know microgravitational environment in flight time. The purpose of the developed scientific - educational program complex is creation on the Earth on the base of telemetry data of virtual model of microgravitational environment in which experiments are carried out, and virtual motion model of of the space vehicle. The first version of such program complex has been created for support of student's research experiments onboard microgravitational space platform (MSP) "Foton-M2" which has been launched in June, 2005. Within the framework of this information project it was realized the constant simulation and prediction of MSP motion and microgravitational parameters onboard directly in flight time with representation of this information by the users via INTERNET. For determination motion parameters were used information from the navigation receiver and magnetometer, included in the equipment "MIRAGE" placed on MSP board. The information from MSP were transmitted to the Earth on a telemetry channel where were handled in the special program unit and there was a solution of the navigation task and corners of orientation and angular velocities of motion were determined. Data about the full MSP state vector, adduced to one moment of times, further acted in the motion simulation unit of virtual Foton" where they were used in the capacity of initial entry conditions at integration of the motion differential equations system. Besides it, microacceleration levels were calculated in various points of the bay of scientific equipment caused both MSP dynamics and an aerodynamic braking. In the unit of visualization the information processing acting from the simulation unit and its representation in visual and user-friendly sort was made. This unit was built into the INTERNET site created specially for support of the given program. Users from among directors of experiments and other interested persons through the network the INTERNET could access on the given site, entering the password and coordinates of allocation of the experimental gear in connected coordinate system and to gain access to the information on microacceleration levels on MSP board in a required point. The developed program complex concerns to the class of the distributed program systems. The program complex is logically divided into two parts: server and client. The server part includes the subsystem of data acquisition, a control system of databases (DBMS), the subsystem of simulation of motion and the subsystem of support of link with a client part. The client part includes the subsystem of visualization, the subsystem of additional scaling and the subsystem of support of link with a server part. The given program complex has been implemented in Java 2 language which doubtless advantage is multi-platform, concluding in independence of the program from the computer and such as an operating system, that beyond all bounds expands a circle of users of such program.





Skobeltsyn Institute of Nuclear Physics, Moscow State University, 2005-2006