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Comparative study between a single unit system and a two-unit cold standby system with varying demand

机译:需求变化的单机系统和两机冷备系统之间的比较研究

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摘要

The concerned paper illustrates the comparison of two stochastic models of a cable manufacturing plant with varying demand. Here, it shows the comparison between a single unit system (Model 1) and a two-unit cold standby system (Model 2). In Model 1, the system is either in working state on some demand or put to shut down mode on no demand. In Model 2, at initial stage, one of the units is operative while the other is kept as cold standby. At times when the operative unit stops working due to some breakdown/failure, the standby unit instantaneously becomes operative while the repairman repairs the failed unit. In this working model, only one unit remains operative at a time. However, there may be a state when both the units fail. The comparison of systems is done by means of MTSF (mean time to system failure), steady state availability and profit function using Laplace transforms and software package Code-Blocks 13.12. Different graphs have been plotted to discover which model is superior to the other model under the given conditions. The system is analysed by making use of semi-Markov processes and regenerative point technique.
机译:有关论文说明了需求变化的电缆制造厂的两种随机模型的比较。在这里,它显示了单单元系统(模型1)和两单元冷备用系统(模型2)之间的比较。在模型1中,系统可以根据需要处于工作状态,也可以根据需要进入关闭模式。在Model 2中,在初始阶段,其中一个单元可以操作,而另一个单元可以保持冷备用状态。在操作单元由于某些故障/故障而停止工作时,备用单元会立即变为可操作状态,而修理工会修理发生故障的单元。在此工作模型中,一次仅可运行一个单元。但是,两个单元都可能处于故障状态。系统的比较是通过使用Laplace变换和软件包Code-Blocks 13.12通过MTSF(系统故障的平均时间),稳态可用性和获利函数完成的。绘制了不同的图形以发现在给定条件下哪个模型优于另一个模型。利用半马尔可夫过程和再生点技术对该系统进行了分析。

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