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综合模块化航电是未来民机发展趋势。IMA系统硬件架构复杂,需要健壮的软件系统支撑,必须予以充分的理论研究,评估系统安全风险以满足适航取证要求。结合系统安全性分析理论和基本方法,本文重点讨论了在IMA研究和应用中需要注意的技术问题,以期为型号研制提供理论和方法支撑。
Integrated modular avionics is the future development trend of civil aircraft. The complicated hardware architecture of IMA system requires robust software system support. It must be fully studied theoretically to evaluate the system security risk to meet the requirements of airworthiness certification. Combined with the theory and basic method of system security analysis, this article focuses on the technical issues that need attention in the research and application of IMA, in order to provide theory and method support for the model development.