【摘要】 为了研究系统的动态失效机理,清晰直观地描述动态失效行为,指出了研究动态失效的必要性和现有方法的缺陷,提出了基于状态图的动态失效描述模型。模型能够描述系统失效的时序性和系统层次性,适合描述动态失效系统。最后,将模型用于描述飞机刹车系统中的刹车控制单元中的动态失效,证明了描述模型可行性。更多还原

【Abstract】 To study the dynamic failures mechanism of the system and describe dynamic failures behavior clearly and intuitively,the necessity of research on dynamic failures and the defects of the existing descriptive method of dynamic failures behavior are analyzed.According to above analysis,descriptive model of dynamic failure based on state chart is proposed.The model can describe the scheduling of system failure and system hierarchy,which is suitable for description of dynamic failure system.Finally the model is applied to the brake control unit of aircraft brake system to describe dynamic failures,which prove the feasibility of the model.更多还原