基于情景分析的城市轨道交通应急指挥系统功能需求研究

城市轨道交通运营突发事件可能对列车运行和客运组织造成干扰，需要应急指挥系统进行综合调度指挥和应急处置.突发事件具有不确定性，建设应急指挥系统是一项复杂决策，功能需求分析是决策的重要依据，要求功能描述清晰、一致和完整.本文采用情景分析法对突发事件的情景构建、应对任务和功能需求进行了描述，提出了确定应急指挥系统功能需求的策略.并以列车信号系统故障为例进行了分析，给出了功能需求描述和实现功能需求的数据和技术要求.结果表明，利用情景分析法对应急指挥系统进行功能需求分析是有效的，可以较好地解决需求分析不确定性和完整性问题.

Function Demand of Urban Rail Transit Emergency Command System Based on Scenario Analysis

Operational emergencies may cause interference to train operation and passenger transport organization of urban rail transit, and an emergency command system is needed for comprehensive scheduling and emergency response. Emergencies are uncertain, so function demand analysis is one of the most important phases in emergency command system development, and the main task is to describe system behaviors unambiguously, consistently and completely. The scenario construction, tasks and function demand are described using scenario analysis method, and the general strategy to generate functional requirements is proposed. Taking a signal system fault as an example, the function demand and data support are analyzed. The results show that scenario analysis is effective to capture the function demand of emergency command system and can better solve the uncertainty and completeness.