| 基于全生命周期且以风险为导向的信号系统独立安全评估 |
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| 引用本文： | 刘正东,杨劲,王成国,于增明.基于全生命周期且以风险为导向的信号系统独立安全评估[J].铁路计算机应用,2016,25(10):16-20. |
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| 作者姓名： | 刘正东 杨劲 王成国 于增明 |
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| 作者单位： | 1.重庆英华轨道交通安全评估服务有限公司,重庆 401123; |
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| 摘 要： | 主要对城市轨道交通信号系统的独立安全评估方法的应用进行研究，对基于全生命周期且以风险为导向的独立安全评估方法进行详细介绍，并与传统的以技术为导向方法进行比较。文章提出的方法更注重信号系统运营中的危害，对其潜在的风险进行控制及管理。独立安全评估可以帮助信号系统集成商将风险等级尽可能降低，为城市轨道交通信号系统的运营安全提供保障。该方法可以应用于城市轨道交通信号系统的设计和实现过程，以满足轨道交通主管部门提出的安全完整性等级要求。
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| 关 键 词： | 信号系统 危害和风险 独立安全评估 生命周期 安全完整性等级 |
| 收稿时间： | 2015-11-04 |
Based on Whole Lifecycle and Risk-oriented Method of ISA of Railway Signal System |
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| Institution: | 1.Chongqing Railway Safety Management and Certification Centre Co. Ltd., Chongqing 401123, China;2.Chongqing Academy of Science & Technology, Chongqing 401123, China;3.Chongqing Technology and Business University, Chongqing 400067, China;4.The 6th Research Institute of China Electronics Corporation, Beijing 100083, China |
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| Abstract: | This paper researched on the application of the method of independent safety assessment of Signal System for Urban Transit, introduced a method based on the whole lifecycle and risk-oriented of independent safety assessment in detail, compared it with traditional technology oriented method. The proposed method focused on the hazard existing in the operation of Signal System, could control and manage the potential risks. Independent safety assessment (ISA) could help the signal system integrators reduce the risk level as lower as possible, and ensure safety for the operation of Urban Transit Signaling System. This method can be applied to the design and implementation of the Signal System, meet the requirements of safety integrity level proposed by the competent department. |
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