To study one unit repairable system with single repairman vacation, a kind of new maintenance and replacement model is proposed.
针对修理工带有单重休假的单部件可修系统，提出了一种新的维修更换模型。
An optimal replacement policy for series repairable system is studied assuming that the component after repair is not "as good as new" by using the geometric process model.
在假定故障部件不能“修复如新”的条件下，基于几何过程模型研究可修串联系统的最优更换策略。
The forewarning control limits and time series regression judgment model are built up based on the reliability series model in a non-repairable system and Shewhart control charts.
研究结果：利用不可修复可靠性串联模型与休哈特控制图建立预警控制界限，建立时间序列回归判别模型。
It is not necessary to assume the concrete stochastic process model for a repairable system when we estimate the failure hour by means of the grey forecasting model.
认为运用灰色预测模型来估计可修复系统的故障时刻，不必假定系统的随机过程模型。
It is not necessary to assume the concrete stochastic process model for a repairable system when we estimate the failure hour by means of the grey forecasting model.
认为运用灰色预测模型来估计可修复系统的故障时刻，不必假定系统的随机过程模型。
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