نتایج جستجو برای: multivariate process capability vector

تعداد نتایج: 1661084  

2006
DAREK CEGLAREK

This paper introduces a methodology for functional capability analysis and optimal process adjustment for products with failures that occur when design parameters and process variables are within tolerance limits (in-specs). The proposed methodology defines a multivariate functional capability space (FC-Space) using a mathematical morphology operation, the Minkowski sum, in order to represent a...

Journal: :Simulation Modelling Practice and Theory 2014
Dimitris Kugiumtzis Efthimia Bora-Senta

A semi-analytic method is proposed for the generation of realizations of a multivariate process of a given linear correlation structure and marginal distribution. This is an extension of a similar method for univariate processes, transforming the autocorrelation of the non-Gaussian process to that of a Gaussian process based on a piece-wise linear marginal transform from non-Gaussian to Gaussia...

Fatemi Ghomi , S.M.T., Bahmani , P., Nikoukar Zanjani , M.,

 A primary assumption of many procedures in statistical process control and in process capability analysis is that the observations taken from the process are independent . However many processes exhibit a certain degree of autocorrelation. In this paper we discuss the effects that autocorrelation may have on process variance and capability indices and we show that when autocorrelation exists, ...

Journal: :Aerospace Science and Technology 2021

We developed a Python-based open-source software for scientific visualization of fluid dynamics datasets. This is enabled by the VTK graphic rendering library and equipped with an interactive user interface built upon PyQt5. The concept “scene module” proposed to construct rendered scene analysis. In context dynamics, module defined associating manifested geometry, such as cut plane, iso-surfac...

2011
Samuel Morillas Valentín Gregori Almanzor Sapena

This paper describes a new filter for impulse noise reduction in colour images which is aimed at improving the noise reduction capability of the classical vector median filter. The filter is inspired by the application of a vector marginal median filtering process over a selected group of pixels in each filtering window. This selection, which is based on the vector median, along with the applic...

2005
Sayan Gupta P.H.A.J.M. van Gelder

Approximations are developed for the marginal and joint probability distributions for the extreme values, associated with a vector of nonGaussian random processes. The component non-Gaussian processes are obtained as nonlinear transformations of a vector of stationary, mutually correlated, Gaussian random processes and are thus, mutually dependent. The multivariate counting process, associated ...

2002
Zachary G. Stoumbos Joe H. Sullivan

Control charts are graphical tools widely used to monitor manufacturing processes to quickly detect any change in a process that may result in a change in product quality. The statistic plotted on a control chart is based on samples of n ≥ 1 observations (rational subgroups) that may be taken at regular sampling intervals. However, there are numerous practical applications using individual obse...

Journal: :IEEE Transactions on Microwave Theory and Techniques 2008

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