Based on the characteristics of China Spacecraft System,China Spacecraft Architecture Framework ( CSAF) is de⁃signed. In this paper, the Concept of Date Model ( CDM) is discussed, and the logical exploiture sequence of CSAF is con⁃trived. Then, using UML language and EA software,the paper designs the Ocean Observation Satellite System Architecture with examples. Finally, a simulation validation platform named Rhapsody,is implemented so that the correctness of the model is demonstrated, and proving the valid of CSAF and the promotion of complex spacecraft system’s top⁃level design.%结合航天器体系的特点,设计面向航天器的体系结构框架( China Spacecraft Architecture Framework, CSAF),研究了CSAF框架的概念数据模型( CDM),在CDM的基础上设计体系结构开发的逻辑顺序,然后结合应用实例,基于统一建模语言UML,利用体系结构开发软件EA( Enterprise Architect),开发海洋卫星对地观测系统体系结构,最后基于仿真验证平台Rhapsody进行模型验证,证明模型构建的正确性,从而证明CSAF设计的有效性,对推动大型航天复杂系统的顶层设计具有一定意义。
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