Harmonized system of quality assessment for electronic components - basic specification : basic requirements for the use of statistical process control in the cecc system 电子元器件用质量评估协调体系.基本规范: cecc系统内统计过程控制使用基本要求
3 . to enhance the ability of fault recognition , a new method for searching the fault origin from the multivariate statistical aspect is presented 为了提高多元统计过程控制的故障识别能力,提出了一种基于多元统计过程控制的识别故障源的新方法。
4 . with the utilizing of data information in produce process , control the quality stability in produce process with statistic process control 4 、利用生产过程中的质量信息,应用统计过程控制( spc )等的数理统计方法实现对生产过程质量稳定性的控制。
2 . conventional analytical methods used in multivariate statistical process control , such as principal component analysis , multi - way principal component analysis are summarized 2 、对多元统计过程控制常用的分析方法进行了介绍和总结,如主元分析、多向主元分析。
Through using the method in practice , problems existing in process can be founded in time and a new feasible way from spc to spcd is presented 通过该方法的应用,可以及时发现工序存在的问题并加以改进,为统计程序控制向统计过程控制及诊断的发展提供了一条新的可行的途径。
Basic statistics : blue - collar workers on an assembly line successfully use statistical process control techniques ; powerful statistical techniques do not have to be cryptic and arcane 基础统计学:装配线上的蓝领工人成功地使用着统计过程控制技术;强大的统计学技术并非神秘不可思议的。
4 . the application of mspc in continuous process and batch process is introduced , basing on the processes of synthesizing of phosphonic acid dimethyl and batch cooling crystallizer 4 、分别以农药原料亚磷酸二甲酯生产过程和间歇冷凝结晶生产过程为应用背景,介绍了多变量统计过程控制在连续过程和间歇过程中的应用。
The development of this software follows the philosophy of oo ( object oriented ) . in addition , generic programming is also employed in some cases so that the program can be more flexible and faster 同时,本文还采用面向对象的思想设计并实现了多元统计过程控制软件,在某些部分还使用了泛型编程技术以提供更高的灵活性和速度。
2 . several mathematical tools used in mspc are introduced , including principal component analysis ( pca ) and multi - way principal component analysis ( mpca ) , principal component recursion ( pcr ) , partial least square ( pls ) 2 、介绍了几种用于多变量统计过程控制的数学工具,包括主元分析及多向主元分析、主元回归、部分最小二乘等方法。
5 . glide windows multi - way spc is applied hi the model of batch cooling crystallizer , and it works well . finally , the whole thesis is summarized , and some future research areas are highlighted 以间歇生产过程冷凝结晶器的仿真程序为应用背景,应用滑动窗口多向主元分析方法进行统计过程控制,说明该方法在间歇过程的监控和诊断中的作用和特点。