应用可维修系统随机故障过程模型理论，对国产190a型柴油机进行了可靠性和维修性试验。
Applying random trouble process model theory of maintainable system, this paper tests reliability and maintenance on China-built 190a model diesel engine.
分析了进行维修服务质量评价的重要性，建立了维修服务质量评价的层次结构，提出分析模型和计算方法，并给出了一个具体实例。
The importance of evaluation of maintenance service quality was pointed out and its hierarchy structure was constructed. Analysis model and calculation method were put forward with a specific example.
设备维修计划可靠性最大模型的约束条件主要为最大维修费用、最小可用度以及运行总时间；
Optimal maintenance scheduling of components, traction substations and catenaries is formulated for minimum cost, maximum reliability and both.
装备维修保障系统多视图建模过程，先划分系统各视图，再找出过程视图与其它视图关联及模型中切题关联，最后分析视图一致性。
At first, the views of the system were partitioned, the relationship between process view and other view was found out, and consistency of view was analyzed.
建立考虑维修效应和修后应力史变化的结构寿命周期可靠性模型是有待开展的重要工作；
The structural reliability models should be developed to consider the different effects of restoring structural functions and the affects of new fatigue stressing process after repair.
将所有参数代入优化模型，计算了预防性维修的最优周期。
All the parameters are taken to the optimized model, and the best periods of the preventive maintenance was obtained.
建立了CH-85FMS故障间隔时间的威布尔分布模型，通过对分布模型的分析，提出了基于可靠性制定预维修计划的理论与方法。
Weibull distribution fitting model of FMS fault interval was set up, and after relevant analysis, the theory and methods of establishing predicted maintenance scheme for the system were proposed.
研究结果表明，该模型可以有针对性地对机电设备进行预防维修，减少了盲目性，降低了维修费用，使机电设备可以尽可能地处于良好的工作状态。
The results of research show that, the model can be targeted for preventive maintenance to reduce blindness and maintenance costs, make the equipment as much as possible working in good condition.
通过数值算例发现，在考虑随机性对维修效率的影响后，与认为工人完成任务效率固定的确定型模型相比，任务安排可能发生变化。
Through numerical example, it is found the task assignment changes when the randomness is thought of compared with the model that neglects the randomness.
通过数值算例发现，在考虑随机性对维修效率的影响后，与认为工人完成任务效率固定的确定型模型相比，任务安排可能发生变化。
Through numerical example, it is found the task assignment changes when the randomness is thought of compared with the model that neglects the randomness.
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