نتایج جستجو برای: multivariate process capability indices

تعداد نتایج: 1563574  

2008
Malin Albing

This thesis presents contributions within the field of process capability analysis. Process capability analysis deals with how to assess the capability of processes. Based on process capability analysis one can determine how the process performs relative to its product requirements or specifications. An important part within process capability analysis is the use of process capability indices. ...

2014
Sudhansu S. Maiti Mahendra Saha

Process capability indices PCIs aim to quantify the capability of a process of quality characteristic X tomeet some specifications that are related to ameasurable characteristic of its produced items. One such quality characteristic is life time of items. The specifications are determined through the lower specification limit L , the upper specification limit U , and the target value T . Maiti ...

2013
Mohammad Abdolshah

Process Capability Indices (PCIs) are appropriate tools in order to measure the inherent capability of a process. In statistical process control, there are some uncertainties in data, such as uncertain specification limits and data. In these cases, fuzzy logic can be employed to manage the uncertainties. There are some researches about fuzzy process capability indices and in this paper; we pres...

The Taguchi method is a useful technique to improve the performance of products or processes at a lower cost and in less time. This procedure can be categorized in the static and dynamic quality characteristics. The optimization of multiple responses has received increasing attention over the last few years in many manufacturing organizations.  Several approaches dealing with multiple static q...

Journal: :Journal of the Korean society for quality management 2013

Journal: :Asian Journal of Physical Education & Recreation 2002

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, ...

Statistical Process Control (SPC) methods can significantly increase organizational efficiency if appropriately used. The primary goal of process capability studies is to obtain critical information about processes to render them even more effective. This paper proposes a comprehensive framework for proper implementation of SPC studies, including the design of the sampling procedure and interva...

Journal: :Revista Gestão da Produção Operações e Sistemas 2021

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