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Estimate health condition of power supply at base-station sites based on alarm data

机译：根据告警数据估算基站现场电源的健康状况

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Switching power supply is the most important energy device at base-station site. Its reliable operation has a direct impact on safe running of mobile telecom network. Through health condition assessment the performance of power supply in the future can be evaluated and hidden rise of unhealthy status can be timely found, thus providing support to prognostic and health management (PHM) and condition-based maintenance (CBM) of power supply. We introduce a metric of health value to describe and quantify the health condition of switching power supply equipment. A method is proposed to estimate health state of the equipment based on alarm data, which is collected from monitoring system of telecom operator in China. With the principle of analytic hierarchy process (AHP) we establish a health-assessment model. Using this model, the evaluation result in terms of health status trend is obtained. A case study shows the effectiveness of the proposed health condition evaluation method.
机译：开关电源是基站站点中最重要的能源设备。它的可靠运行直接影响着移动电信网络的安全运行。通过健康状况评估，可以评估未来的电源性能，并及时发现不健康状况的隐患，从而为电源的预后和健康管理（PHM）和基于状态的维护（CBM）提供支持。我们引入健康值指标来描述和量化开关电源设备的健康状况。提出了一种基于告警数据的设备健康状态评估方法，该告警数据是从中国电信运营商的监控系统中收集的。运用层次分析法（AHP）的原理，我们建立了健康评估模型。使用该模型，可以获得关于健康状况趋势的评估结果。案例研究表明了所提出的健康状况评估方法的有效性。

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