某机载航电系统的测试性设计过程与分析  

Testability Design Process and Analysis of an Airborne Avionics System

作　　者：公杰 GONG Jie(Chengdu Marlab Testing Technology Co.,Ltd.,Chengdu 610041,China)

机构地区：[1]成都摩尔环宇测试技术有限公司

出　　处：《电子产品可靠性与环境试验》2020年第1期29-34,共6页Electronic Product Reliability and Environmental Testing

摘　　要：首先,介绍了某航电系统的架构组成,根据系统的测试性要求,结合系统的可靠性模型对系统的指标进行了分配;其次,介绍了如何根据分配合理地设计检测电路;然后,结合故障模式、影响及危害性分析,在系统中完成了BIT系统架构,并对测试性结果进行了分析;最后,根据分析结果,提出了相应的改进措施,对于提高系统的测试性具有重要的意义。Firstly,the architecture of an avionics system is introduced,and according to the requirements of system testability,the system index is assigned according to the system reliability model.Next,how to design the detection circuit reasonably according to the distribution is introduced.Then,the BIT system architecture is completed in the system based on FMECA,and the testability results are analyzed.Finally,according to the analysis results,the corresponding improvement measures are put forward,which is of great significance for improving the testability of the system.

关 键 词：航电系统 设计 工程分析法 测试性分析 

分 类 号：TP202+.1[自动化与计算机技术—检测技术与自动化装置]