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- 2017
重点区域入侵安防设备系统可靠性建模方法
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Abstract:
摘要 为了评估重点区域入侵安防系统设备可靠度，首先给出了重点区域安防系统可靠度的定义，以收集到的安防设备故障信息为基础，对这些数据进行指数分布检验与估计，得出安防设备的故障分布。然后对重点区域中各子区域以及安防系统中各类设备的具体功能进行分析，描述了区域及设备功能间的备份关系以及区域间、区域与设备间的可靠性关系，建立重点区域安防系统、子区域与设备的可靠性框图模型，运用混联可靠性框图计算方法得出重点区域安防系统可靠度。最后进行了实例验证，表明该模型可方便计算重点区域入侵安防系统的可靠度，验证了模型的有效性。
Abstract：In order to evaluate the reliability of a security system in the key area, security system reliability of a key area is defined in this paper firstly. Failure distributions of security devices are acquired after the test and estimation of security devices' failure information by exponential distribution. Besides, the functions of subareas and devices are analyzed, and backup relations and reliability relations among areas, subareas and devices are described. Then reliability block diagram model of security systems, subareas and devices is built and the reliability of security systems in key area is calculated by series-parallel reliability block diagram method. Finally, a practical example is presented to indicate the computational simplicity and verify the efficiency of the model to acquire security system reliability of a key area.
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