一种自动化单元批量生产质量分析新方法

发布时间：2018-06-28 22:43

  本文选题：特征状态空间 + 质量分析　； 参考：《组合机床与自动化加工技术》2016年02期

【摘要】：以机械制造企业自动化单元的生产过程质量控制为研究对象,提出了一种自动化单元批量生产质量分析的新方法,对生产过程的中零件质量建立状态空间模型,提取质量特征矢量来描述某一阶段的加工状态。以质量状态变换方程刻画零件的加工过程,通过状态变换方程的串联叠加实现对多工序生产系统的数学描述;通过数控生产线监控管理系统获取生产过程中零件质量相关信息,以这些数据为基础条件求解生产系统特征矩阵,并结合生产过程特征熵来评价生产过程,实现质量控制。实例分析说明该方法正确性和有效性,为自动化单元批量生产提供一种有效的生产过程评价和产品质量分析方法。
[Abstract]:In this paper, a new method of mass production quality analysis of automation units is proposed, and a state space model is established for the quality of parts in the process of production. The quality feature vector is extracted to describe the processing state of a certain stage. The machining process of the parts is described by the quality state transformation equation, the mathematical description of the multi-process production system is realized by the serial superposition of the state transformation equation, and the quality information of the parts in the production process is obtained by the monitoring and management system of the NC production line. On the basis of these data, the characteristic matrix of production system is solved, and the characteristic entropy of production process is combined to evaluate the production process and realize the quality control. The example shows that the method is correct and effective, and provides an effective method for the evaluation of production process and the analysis of product quality for the batch production of automation unit.
【作者单位】： 大连理工大学数字化研究所;
【基金】：国家科技重大专项资助项目(2013ZX04012-071)
【分类号】：TH186
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本文编号：2079662