改进的SFMEA方法在机载控制软件中的应用  

Application of Airborne Control Software Base on an Improved SFMEA Method

作　　者：蔡晶 熊国刚 葛娟 CAI Jing;XIONG Guogang;GE Juan(Science and Technology on Electronic Information Control Laboratory,Chengdu 610036,China)

机构地区：[1]电子信息控制重点实验室,成都610036

出　　处：《电子信息对抗技术》2020年第5期74-78,共5页Electronic Information Warfare Technology

摘　　要：为提高机载控制软件的安全性,降低由于软件失效而引起的故障比例,分析了目前该类软件安全性分析工作的难点及不足。简述了软件失效模式及影响分析(SFMEA)方法的特点,并在传统的SFMEA方法基础上根据机载控制软件的特点提出改进的SFMEA方法,介绍了基于该方法的典型机载控制软件安全性分析工作过程及步骤。结果表明该方法有助于发现软件安全性薄弱环节,提出安全性需求,降低软件失效率,对于机载控制类软件安全性分析工作具有一定工程实践价值。In order to improve the security of airborne control software and reduce the proportion of failures caused by software failure,the difficulties and shortcomings of the current software se-curity analysis work are analyzed.The software failure mode and impact analysis(SFMEA)method is briefly described.Based on the traditional SFMEA method,the improved SFMEA method is proposed according to the characteristics of airborne control software.The security a-nalysis of typical airborne control software based on this method is introduced.The process and steps show that the method not only helps to discover the weak links of software security,but also proposes security requirements and reduces software failure rate.It has certain engineering prac-tical value for the security analysis of airborne control software.

关 键 词：机载控制软件 失效模式 安全性分析 SFMEA 

分 类 号：TP311.1[自动化与计算机技术—计算机软件与理论]