1553B总线RT有效性测试方法研究

摘要

1553B总线是美国制定的一种串行总线标准,具有较高的可靠性和安全性,因而在航空、航天、军事等领域得到了广泛的应用;在1553B多路传输数据总线网络中,要想保证1553B网络正确可靠的通讯,必须保证各个远程终端系统能够满足MIL-STD-1553B规定的各项功能、性能以及协议等要求,所以对远程终端(RT)进行有效性测试变得非常重要;在充分研究1553B通讯协议的分层结构基础上,提出了1553B远程终端系统测试方案,并指出在通用1553B接口板平台上该方案的实现方法,按照该方法对RT进行测试时,可以正确测试出被测RT是否满足1553B协议要求.%1553B bus is a serial bus standard developed by U. S. . With a relatively high reliability and security, it has been widely used in the fields of aviation, aerospace and military. In order to ensure accurate and reliable communication between 1553B multiplex data bus network, all the remote terminals must meet the functionality, performance and protocol required by MIL-STD-1553B. In that case the validation test for the remote terminal (RT) becomes very important. This paper, based on fully study of 1553B's protocol hierarchy, proposed the test scheme for 1553B remote terminal systems and specified how to implement the program on the 1553B general-purpose interface board. The RT test based on this method can properly give the result on whether the tested RT meets 1553B protocol requirements.