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Redundancy Design Strategy of DCS Based on Component's Fault Model

机译:基于组件故障模型的DCS冗余设计策略

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A redundancy design strategy based on component's fault model of device was proposed for distributed control system (DCS). This paper analyzed component's fault model of typical device based on the characteristic of DCS, sorted the faults of components according to the feature which is individual and diagnostic online between the faults of redundancy devices, and put forward the invalidation rate equation of the redundancy system. Then proposed a redundancy design method and verify method of reliability based on the analysis of component's fault model in redundancy device. At last, the experiment data of field application were collected and these data have verified the conclusion above.
机译:针对分布式控制系统(DCS),提出了一种基于设备部件故障模型的冗余设计策略。本文根据DCS的特点,对典型设备的部件故障模型进行了分析,根据冗余设备故障之间的个性化和在线诊断的特点对部件的故障进行了分类,提出了冗余系统的失效率方程。然后,通过对冗余设备中组件故障模型的分析,提出了一种冗余设计方法和可靠性验证方法。最后,收集了现场应用的实验数据,这些数据验证了以上结论。

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