基于AHP-熵权法的电火花线切割机床设计

Design and Evaluation of Wire EDM Based on AHP-Entropy Method

目的为了研究并解决电火花线切割机床在设计中存在的问题,反映技术人员对机床设计的满意度。方法通过AHP和熵权法对评价指标赋权,搭建模糊评价模型;通过调研和专家意见,从技术人员物理尺度、安全性、功能与操作、美学和操作人员期望等5个层面建立评价指标体系;运用AHP层次分析法进行主观权重分析,通过熵权法对指标进行客观权重分析,最后通过模糊综合评价法对设计满意度进行评价。结果以机床操作人员的需求为基础,通过对专家和技术人员调研数据的分析,设计了较为完善的电火花线切割机床。结论AHP-熵权法较大程度地保留了技术人员的客观评价和行业专家的主观判断,体现了主客观相结合赋权的科学性。评价模型为机床外观设计的改进提供了理论依据和量化指标,同时对提升技术人员操作满意度具有重要作用。

In order to study the problems existing in the design of wire-cut EDM,reflect the satisfaction of technicians to the design of wire-cut EDM.The evaluation indix is weighted by AHP and entropy method,and a fuzzy evaluation model is built.According to the investigation and expert opinions,an evaluation Index system is established from Physical scale of technicians,safety,function and operation,aesthetics and operator expectation.Through the subjective weight is analyzed by AHP analytic hierarchy process,the objective weight is analyzed by entropy weight method,and the design satisfaction is evaluated by fuzzy comprehensive evaluation method.Based on the needs of machine tool operators,a relatively complete WEDM machine has been designed through analysing the reseach data,AHP-Entropy method retains the objective evaluation of technicians and the subjective judgment of experts,embodies the scientific nature of the combination of subjective and objective weighting,and plays an important role in improving the appearance design of machine tools and providing theoretical basis and quantitative indicators for improving the operation satisfaction of technicians.