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Research on Reliability Evaluation of Computer Numerical Control Machine Tool System Based on Man-Machine System

机译：基于人机系统的计算机数控机床系统可靠性评价研究

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摘要

The reliability evaluation indices of computer numerical control (CNC) machine tool system have many levels and characteristics. In this paper, the CNC machine tool system is regarded as man-machine system. And the fuzzy comprehensive evaluation method is used to consider the influence of the reliability of the CNC machine tools and the operators on the system reliability. First, an evaluation index system is established and the criteria layer and the indicator layer are determined. Then, the weights of the indicators at each level are calculated by expert scoring. And finally, a comprehensive evaluation score is obtained through step-by-step evaluation. Taking JW4050AL machining center as an example, the results show that the reliability of this type of machine tool is at a high level, which is consistent with the actual situation. The results show that this method is suitable for the reliability evaluation of CNC machine tools.
机译：计算机数控（CNC）机床系统的可靠性评估指标具有多种级别和特性。本文认为，CNC机床系统被认为是人机系统。模糊综合评估方法用于考虑CNC机床和操作员对系统可靠性的可靠性的影响。首先，建立评估指标系统，并确定标准层和指示层。然后，通过专家评分计算每个级别的指标的权重。最后，通过逐步评估获得综合评估分数。以JW4050AL加工中心为例，结果表明，这种机床的可靠性处于高水平，与实际情况一致。结果表明，该方法适用于CNC机床的可靠性评估。

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