论文部分内容阅读
首先指出采用多变量工序能力指数评价工艺生产水平的必要性,给出三种不同的多变量工序能力指数定义,分别为直接域比值定义、修改规范域定义和修改工艺域定义,并分析这些多变量工序能力指数.最后用一个实例说明采用多变量工序能力指数比采用单变量工序能力指数评价产品更为可取和全面.
多变量工序能力评价
【摘 要】
：
首先指出采用多变量工序能力指数评价工艺生产水平的必要性,给出三种不同的多变量工序能力指数定义,分别为直接域比值定义、修改规范域定义和修改工艺域定义,并分析这些多变
【出 处】
：
系统工程理论与实践
【发表日期】
：
2004年期
【基金项目】
：
模拟集成电路国家级重点实验室基金;
其他文献
Phase Stability, Kinetic Diagrams and Diffusion Path in High Temperature Oxidation of Binary Solid-S
The phase diagrams of ternary systems involving two metal components and one oxidant are considered first, the limitations to their use is discussed in relation
The basic mechanical behaviors of high density polyethylene electrofusion welded joint at different temperatures were studied by using differently designed spec
基于欧洲标准EN 779:2002,研制了一套一般通风用空气过滤器性能自动检测系统,包括检测台和相应的软件.首先,简单介绍了检测台的总体布局,详述了该检测台中传感器和控制部件的
This paper presents the UV photoconductivity properties of GaN films doped with different Mg concentrations deposited by MOCVD. It was observed that for the und
The nondendritic semi-solid slurry preparation of 60Si2Mn spring steel has been studied in this paper. The experiments have shown that when stirred for 2 min on
The flow stress behavior and microstructural evolution in as rolled AZ91 alloy were studied by tensile test at temperature ranging from 573 K to 698 K and with
Thermodynamical Evaluation on Magnetocaloric Effect of Magnetic Refrigerating Materials Near Room Te
The relationship between isothermal magnetic entropy change ΔS and adiabatic temperature change ΔTad was deduced according to the principles of thermodynamics
介绍了石牙山隧道的工程概况、工程特点、施工方法以及具体施工过程中通风、用电、防排水和该隧道的施工方案。隧道施工密切结合新奥法—复合衬砌施工精髓进行。
The projec
提出了将最小差别信息(MDI)和进化计算(EC)相结合引入到HMM的训练中去的方法.各个模型用个体来表示,个体的适应值采用模型的最小差别信息.这样借助于进化计算全局搜索的特点,
Mechanical expanding is one of the finishing processes in cylindrical part forming.The distribution of stress and strain shows clearly regional features.FEA sim