嵌入式系统已越来越多地应用于军用训练模拟器,可为提高军用训练模拟器的仿真度和可靠性提供有力的技术支撑。军用训练模拟器嵌入式系统设计具备通用嵌入式系统设计的共性要求,也有其特殊要求。对军用训练模拟器嵌入式系统的设计要求进行了分析,重点对元器件、硬件、软件等三方面的可靠性设计进行了深入分析研究,并提出了相关的应对策略。其中,对于元器件可靠性设计,分析了其失效类型、失效原因及可靠性保证策略;对于硬件的可靠性,重点对印刷电路板各环节的可靠性设计进行了分析研究;对于软件可靠性,阐述了嵌入式软件的故障特点、原因及可靠性策略。 Embedded systems have been increasingly used in military training simulators, which can provide powerful technical support for improving the simulation and reliability of military training simulators. Military Training Simulator Embedded system design has the common requirements of common embedded system design, but also has its special requirements. The design requirements of military training simulator embedded system are analyzed, and the reliability design of the three aspects of components, hardware and software are analyzed in depth, and the corresponding coping strategies are put forward. Among them, the component reliability design, analysis of the failure type, failure causes and reliability assurance strategy; for the reliability of the hardware, stress on the reliability of the various aspects of the printed circuit board design and analysis for the reliability of the software, Describes the characteristics of embedded software failures, causes and reliability strategies.