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半实物仿真试验评估软件安全性方法研究

朱和铨1,徐浩军1,薛源1,杨雪2,苏晨1   

  1. 1. 空军工程大学航空航天工程学院
    2. 空军驻北京地区军事代表局
  • 收稿日期:2013-09-09 修回日期:2013-12-02 发布日期:2013-12-10
  • 通讯作者: 徐浩军
  • 基金资助:
    国家高技术研究发展计划(863计划);江苏省“六大人才高峰”项目;国家自然科学基金;国家高技术研究发展计划(863计划)资助项目(2006AA04Z427);委员会与中国民用航空总局联合资助项目(60672164);国家863高技术重点项目;国家自然科学基金

Research on Software Safety Assessment Method Based on Semi-physical Simulation Test

  • Received:2013-09-09 Revised:2013-12-02 Published:2013-12-10

摘要: 针对机载软件在多因素耦合复杂飞行情形下的安全性评估与开发安全控制,提出了一种基于半实物仿真试验的软件安全性评估方法。介绍了采用飞行模拟器试验对软件安全性进行评估的思想;设计了实施该方法的操作流程;建立了试验平台中仿真系统主要的数学模型;借鉴生物学理论,分析了软件缺陷诱发飞机飞行危险的机理;最后,运用该方法对增稳系统嵌入式软件安全性进行了评估,验证该方法工程实践的可行性。利用该方法能够减少机载软件潜伏缺陷在多因素耦合情形下诱发飞机飞行危险,提高机载软件安全性。

关键词: 软件安全性, 安全性评估, 多因素耦合, 半实物仿真, 安全性控制

Abstract: A safety assessment method based on semi-physical simulation was proposed to assess airborne software safety and develop safety control technique in multi-factor coupled complex flight situation. A thought using flight simulator test to assessment software safety was introduced. Operation procedure of the safety assessment method was designed. Simulator’s main mathematics model was established. Referencing biological theory, mechanism of software fault induce aircraft accident was analyzed. Finally, embedded software of stability augmentation system was assessed safety. The result demonstrates the method proposed is feasible in project practice. The method can be used to reduce aircraft risk that induced by the airborne software fault in multi-factor coupled complex flight situation, and then improve the safety of airborne software.

Key words: software safety, safety assessment, multi-factor coupling, semi-physical simulation, safety control

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