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首页> 外文期刊>International Journal of Statistics and Applications >Efficiency of the Reliability Function and Scheduling Method in Determining the Optimal Preventive Maintenance Time for Digital X-Ray Devices
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Efficiency of the Reliability Function and Scheduling Method in Determining the Optimal Preventive Maintenance Time for Digital X-Ray Devices

机译：确定数字X射线设备最佳预防性维护时间的可靠性函数和调度方法的效率

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This paper aims to determine the optimal time for preventive maintenance of digital x-ray devices in radiology department. It assumes that the time variable has the same distribution for all devices according to the Weibull distribution. The method of estimating distribution parameters is the maximum likelihood method. This research paper is of a great importance for both patients and hospital management. The management will benefit from reduced maintenance costs, and the patients will benefit from service continuity or non-stop service. The paper followed the analytical descriptive method using two different methods which are the scheduling method and the reliability function based on data on the cost of maintenance and the cost of stopping work for maintenance. The findings of the study revealed that both methods were efficient in determining the optimal time for preventive maintenance and in reducing the cost of maintenance to nearly 33% per year. The reliability function was more efficient in determining the optimal time for preventive maintenance in terms of continuity of devices in service without interruption.
机译：本文旨在确定放射科预防性维护数字X射线设备的最佳时间。假定根据Weibull分布，所有设备的时间变量具有相同的分布。估计分布参数的方法是最大似然法。该研究论文对于患者和医院管理都非常重要。管理层将从降低的维护成本中受益，而患者将从服务连续性或不间断服务中受益。本文采用了基于两种描述性方法的分析描述方法，即基于维护成本和停止维护成本的数据的调度方法和可靠性函数。研究结果表明，两种方法都可以有效地确定预防性维护的最佳时间，并将维护成本降低到每年近33％。可靠性功能可以更有效地确定预防性维护的最佳时间，以确保设备连续使用而不会中断。

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