基于熵权法的重型数控机床全生命周期安全评价方法

2016 11th International Conference on Reliability, Maintainability and Safety (ICRMS) Pub Date : 2016-10-01 DOI:10.1109/ICRMS.2016.8050055

Guofa Li, Yongchao Huo, Jialong He, Zhaojun Yang, Jian Wang, Guofei Liu

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引用次数: 0

摘要

针对重型数控机床寿命周期长、结构复杂、成本高、安全隐患多的特点，提出了一种基于熵权法的安全评价方法。根据全生命周期各阶段的风险源，制定了专家打分表，并从“人-机-环境-工件”系统的角度制定了专家打分流程。考虑到专家评分的差异，采用熵权法计算专家在全生命周期各阶段的权重。将该方法应用于XKA28重型数控龙门铣床，并进行了安全性评价。结果表明，该方法是可行的。

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A safety evaluation method for heavy-duty CNC machine tools for the total life cycle based on an entropy weight method

A safety evaluation method based on an entropy weight method is proposed that is aimed at the features of heavy-duty computer numerical control (CNC) machine tools, such as long-life cycle, complex structure, high cost and many hidden safety risks. According to the risk sources of each phase of the total life cycle, the expert-scoring table is formulated and the process of experts' scoring is developed from the perspective of a “man-machine-environment-workpiece” system. Considering the differences in the experts' scoring, an entropy weight method is used to calculate the weight of each expert at each phase of the total life cycle. The proposed method is applied to the XKA28 heavy-duty CNC gantry milling machine, and the safety evaluation is implemented. The results indicate that the proposed method is feasible.

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来源期刊

2016 11th International Conference on Reliability, Maintainability and Safety (ICRMS)

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