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Research on Architecture of Self-Manage System of Space Maneuver Vehicle

Author: ZhangYuanZhao
Tutor: NingHong;LiZuo
School: National University of Defense Science and Technology
Course: Computer Science and Technology
Keywords: Space mobile platforms SOIS SDM Data Distribution Service SBSDM Transplant
CLC: TP311.52
Type: Master's thesis
Year: 2008
Downloads: 142
Quote: 1
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The 21st century is the century of comprehensive development and utilization of space, the space powers have free access to space and use of space as the main goal of the development of space capabilities, spatial mobility is an important foundation for achieving this goal, a mobile platform space is enhanced space important platform of the ability to control and research and development of space weapons. Therefore, the study of new mobile platforms, the establishment of a new type of satellite architecture, unified onboard computer system interface, make the interface tends to be standardized, it makes sense for the rapid design, assembly and testing of the satellite. To address this issue, the the spatial data Advisory Committee (Consultative Committee for Space Data Systems, CCSDS) Spaceborne Interface Services (Spacecraft Onboard Interface Services, SOIS) draft. AFRL (Air Force Research Laboratory, AFRL) and the National Aeronautics and Space Association (AmericanInstitute of Aeronautics and Astronautics, AIAA) together to develop a plug-and-play electronic equipment (Space Plug-n-Play Avionics, SPA) standards, The core of the satellite data model (Satellite DataModel, SDM) system. These draft standards have not yet concrete realization. This article first in-depth study of the the SOIS protocol standards and it is defined by the application layer, and then in-depth analysis of the the SDM system source code (15000 lines), summed up the SDM system modules, the relationship between the various subsystems, as well as the SDM system DDS data distribution mechanism. Based on a standard service implementation based on SDM program - SBSDM (Services Based on SDM), SBSDM achieved on the basis of the SDM system access services the SOIS standard time, the command data acquisition services, messaging services , file services, and other functional components, common service functions support Star on a variety of application software development and reuse. This article went on to discuss how to achieve SBSDM system, that is, how to establish standards in the SDM system dynamic link library using the C language, the service package into a class for the upper application software directly call the Windows platform. Further for the implementation SBSDM system, the design of an application scenario, the the SBSDM system has good scalability, reliability and reusability can be cut. Finally, taking into account the satellites generally use the real-time embedded operating system, The article discusses SBSDM system to the transplantation of the embedded operating system. The concrete realization of the SBSDM systems to transplant under Linux, discussed SBSDM system ported to RTEMS work, and lay a good foundation for the subsequent development of SBSDM system.

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