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首页> 外文期刊>Reliability Engineering & System Safety >Complexity on the rails: A systems-based approach to understanding safety management in rail transport
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Complexity on the rails: A systems-based approach to understanding safety management in rail transport

机译：铁路的复杂性：一种基于系统的方法来理解铁路运输中的安全管理

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摘要

Rail transport is a complex, safety-critical system which experiences catastrophic events. Systems theory-based approaches have been applied to understand risk and safety management in a range of safety-critical domains, however in rail, systems approaches have tended to be applied for accident analysis, rather than to describe how risk and safety is proactively managed. This study involved the development of a control structure model of rail transport in Australia using the Systems Theoretic Accident Model and Processes (STAMP) method. The control structure identifies the actors involved in managing safety, and shows the control and feedback mechanisms that comprise the adaptive feedback function to maintain safety. The control structure was refined in a participative process involving subject matter experts. Insights identified for improving safety management included: a need to improve feedback mechanisms to better understand the effectiveness of control measures; a lack of formal controls at higher levels of the system; and a focus within current feedback mechanisms on failures rather than understanding and learning from normal performance. Opportunities for applying the model in industry practice are also explored.
机译：铁路运输是一个复杂的，对安全至关重要的系统，会遇到灾难性事件。已应用基于系统理论的方法来理解一系列安全关键领域中的风险和安全管理，但是在铁路领域，系统方法已倾向于用于事故分析，而不是描述如何主动管理风险和安全性。这项研究涉及使用系统理论事故模型和过程（STAMP）方法开发澳大利亚铁路运输的控制结构模型。控制结构识别参与安全管理的参与者，并显示包括自适应反馈功能以维持安全的控制和反馈机制。在涉及主题专家的参与过程中完善了控制结构。为改善安全管理而确定的见解包括：需要改进反馈机制以更好地了解控制措施的有效性；在系统的更高级别上缺乏正式的控制；当前反馈机制中的重点是失败，而不是从正常表现中了解和学习。还探讨了将该模型应用于行业实践的机会。

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