为弥补现有指标的不足,引入韧性作为非常态事件下CTCS-3级(China train control system-3)列控车载子系统运行稳定性的测度指标.提出了车载子系统韧性量化评估方法,构建了基于贝叶斯网络(Bayesian network,BN)的韧性评估模型,并定义了5...为弥补现有指标的不足,引入韧性作为非常态事件下CTCS-3级(China train control system-3)列控车载子系统运行稳定性的测度指标.提出了车载子系统韧性量化评估方法,构建了基于贝叶斯网络(Bayesian network,BN)的韧性评估模型,并定义了5种基于韧性的部件重要度指标;进一步利用贝叶斯网络双向推理功能,计算了车载子系统在不同扰动情景下的韧性及部件重要度指标.研究结果表明:韧性可全面描述车载子系统抵御扰动和从扰动中恢复的能力,非常态事件扰动下,韧性与可用性指标存在明显差异;不同扰动情景下系统韧性明显不同,扰动发生时,车载子系统面临磁暴影响时的韧性为0.8017,而遭遇雷电时的韧性为0.8819,面临冰雪扰动时的韧性为0.9880;部件重要度存在情景依赖,同一部件在不同扰动情景下重要度排序可能不同,且可能随时间动态变化.展开更多
The Radio Block Center(RBC) is the key component of CTCS-3 which is responsible for monitoring the safe operation of all trains within its control area A complete RBC system shall have data configuration capability to...The Radio Block Center(RBC) is the key component of CTCS-3 which is responsible for monitoring the safe operation of all trains within its control area A complete RBC system shall have data configuration capability to support the application function of RBC,and shall be able to generate the data flow needed by the system.This paper focuses on the research of data management and data configuration in RBC on the basis of RBC simulator.Based on the analysis of the RBC simulator and its external interface,the requirements of the RBC database are analyzed and models of RBC databases are designed. The key technical issues concerning the data configuration and data flow generation are introduced.展开更多
文摘为弥补现有指标的不足,引入韧性作为非常态事件下CTCS-3级(China train control system-3)列控车载子系统运行稳定性的测度指标.提出了车载子系统韧性量化评估方法,构建了基于贝叶斯网络(Bayesian network,BN)的韧性评估模型,并定义了5种基于韧性的部件重要度指标;进一步利用贝叶斯网络双向推理功能,计算了车载子系统在不同扰动情景下的韧性及部件重要度指标.研究结果表明:韧性可全面描述车载子系统抵御扰动和从扰动中恢复的能力,非常态事件扰动下,韧性与可用性指标存在明显差异;不同扰动情景下系统韧性明显不同,扰动发生时,车载子系统面临磁暴影响时的韧性为0.8017,而遭遇雷电时的韧性为0.8819,面临冰雪扰动时的韧性为0.9880;部件重要度存在情景依赖,同一部件在不同扰动情景下重要度排序可能不同,且可能随时间动态变化.
文摘The Radio Block Center(RBC) is the key component of CTCS-3 which is responsible for monitoring the safe operation of all trains within its control area A complete RBC system shall have data configuration capability to support the application function of RBC,and shall be able to generate the data flow needed by the system.This paper focuses on the research of data management and data configuration in RBC on the basis of RBC simulator.Based on the analysis of the RBC simulator and its external interface,the requirements of the RBC database are analyzed and models of RBC databases are designed. The key technical issues concerning the data configuration and data flow generation are introduced.
