计算机科学 ›› 2016, Vol. 43 ›› Issue (10): 70-73.doi: 10.11896/j.issn.1002-137X.2016.10.013
• 2015 第五届全国可信计算学术会议 • 上一篇 下一篇
王斌,吴丹丹,莫毓昌,陈中育
WANG Bin, WU Dan-dan, MO Yu-chang and CHEN Zhong-yu
摘要： 针对具有动态故障模式的复杂系统,动态故障树分析一直是很重要的可靠性分析技术。为了提升可靠性分析效率,已有研究提出了各种模块化方法,但是对于实际动态故障树模型中由于事件关联导致的大型动态子树,这些模块化方法的状态空间爆炸问题仍然很突出。因此介绍了一种基于多值决策图(Multiple-valued Decision Diagrams,MDD)来分析动态故障树的方法,通过多值变量编码动态门,利用单一系统MDD模型刻画各种动态和静态可靠性行为,有效地缓解了状态爆炸问题。通过一个具体的实例说明了多值决策图方法的应用和优势。
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