... has previously been paid to application of goodness of fit tests in process control. © Emerald Group Publishing Limited 2015 Goodness of fit tests Numerical Simulation Process control (Equation 6) (Equation 12) According to the Kolmogorov-Smirnov test, first the value...

... can be contacted at: praja_3000@yahoo.com © Emerald Group Publishing Limited 2013 Taguchi methods Foundry engineering Process control Quality control Casting defects Differential housing cover Factor optimization Charge constituents Sillen (2002) described that to minimize...

... method. Section 4 will be devoted to the statistical process control (SPC). Section 4.1 will present X‐R charts produced and capability index calculated. Section 4.2 is dedicated to P‐chart. Finally a discussion and some conclusions are presented in Section 5. The quality procedure implemented...

... whether or not two processes are equally capable. Naturally, decisions made using the procedure to select the better supplier are more reliable than decisions made using other methods. © Emerald Group Publishing Limited 2004 Process efficiency Statistics Process analysis Process control...

... Design Process control Manufacturing variation is an obvious measure for quality performance as touched on earlier, and it is generally measured with a process capability index. Usually, the characteristic of interest takes the form of a dimension, a material property or some surface roughness...

... to the target value T. A process is called capable if 1.00 ≤ C_I < 1.33; it indicates that caution needs to be taken regarding process distribution, some process control is required. A process is called satisfactory if 1.33 ≤ C_I < 1.50; it indicates...

... percent; however, with the strategic shift to process commercial carpet yarn, the production run time to set‐up time increased to approximately 38 percent. This change in the ratio of production run time to process set‐up time is shown in Figure 2 . Textile industry Teamwork Process control...

...Chu‐Hua Kuei William J.   Kolarik . Creating Quality – Process Design for Results . McGraw‐Hill , 1999 . 641 pp. , ISBN: ISBN 0‐07‐036309‐9 Quality Process design Process control Every work is a process. Every organization needs a set of well‐designed...

... a specific proportion of the population at a given confidence level. In the context of process control, they are used to make sure that production will not be outside specifications. In this article, we provide useful coverages for the MaxMin EWMA chart, when also used as tolerance limits. The proposed EWMA...

... Limited 1998 Process control Product design Reliability Risk It is common knowledge in many industries that a lot of problems, which show up in production and the use of products, find their roots in the design stage of these products (Stevens, 1993). Fixing these design problems during...

... distribution for process control of high‐yield processes. © MCB UP Limited 1997 Control charts Improvement Probability Process control Statistical process control The traditional c‐charts and u‐charts for attributes are based on the assumption that the underlying...

...Sheng‐Hsien (Gary) Teng; Shin‐Yann (Michael) Ho Discusses the implementation of failure mode and effects analysis (FMEA) for both product design and process control. FMEA is implemented in two ways to ensure that the reliability requirements are met for the production of an airbag inflator. Design...

... the expected total cost per hour. © MCB UP Limited 1996 Control charts Hazards Preventive maintenance Process control Quality Reliability Now we state a theorem in which the expressions for E(C) and E(T) are given. The proof of this theorem depends on the two lemmas...

... as follows: © MCB UP Limited 1995 Averaging Control charts Process control Statistics However, conventional Shewhart charts pay no special attention to the variation of the skewness of the process distribution. It is generally believed that the • chart is almost insensitive...

... substantial than the differences between adjustment strategies for a given control chart. © MCB UP Limited 1995 Control charts Mathematics Process control Statistics The exponentially weighted moving average, (EWMA), has found applications in a number of different areas. It is known...

... to the improvement of the effectiveness of the control charts and to the reduction of the cost of SPC (statistical process control). Presents an approach to estimate δ and f of the shift modes, using the sample data from the SPC and adopts a clustering method to classify different shift modes. Finally, describes...

... to decide whether the single • chart scheme can be applied to a given process control. where α and α_s are the type I errors incurred in • chart and schart, respectively. Since both of them are usually very small, α_joint can be simplified as: Equation (8) For several...

... transient state to another, p is a column vector of absorption probabilities, 0′, is the zero vector and 1 is a scalar. © MCB UP Limited 1994 Cumulative scores Industrial engineering Process control Quality control The problem of detecting shifts in the process variability...

...R. Jagadeesh; A. Subash Babu Manufacturing systems are gearing up to meet the challenges of quality‐based competition. Process capability study and analysis have become critical issues in process control and a number of guidelines are available for process capability assessment. However, certain...

... of the matrix R as follows: 67 The matrix of transition probabilities R is then used to obtain ARL and ATS values using variable sampling intervals. © Emerald Group Publishing Limited 1993 CONTROL CHARTS PROCESS CONTROL SAMPLING ...