553B bus, with feature of reliability, real time and openness, is applied widely in the field of Aerospace. The defects of the bus, which include the limitation of data rate and transmission efficiency, and that the design of information flow is not standardized, restrict its broadness and depth of applications in the future Aerospace. In response to these issues, we redefine the data word in 1553B messages and achieve the organic combination of the 1553B messages, which meets the demand of large data transmission in the missile control system. And we analyze the design of information flow of the missile control system based on a typical bus topology.%1553B总线技术具有可靠性、实时性、开放性等特点,在航天领域中得到了广泛地应用;但其在总线传输速率、大数据量传输效率等方面的局限性,以及在具体应用实践中信息流编排的不规范性,严重制约了其在未来航天等领域的应用广度和深度；针对上述问题,从工程实践出发,对1553B协议定义的消息进行规范化处理,实现了原有消息的有机组合,以适应导弹控制系统信息流设计的需求,并以一典型导弹控制系统总线拓扑结构为模型进行了信息流设计的初步分析.
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