Showing papers in "Journal of Quality Technology in 1997"
TL;DR: In this paper, the authors present a comparison of multiple comparative methods in theory and methods for quality assurance in the field of quality assurance. Journal of Quality Technology: Vol. 29, No. 3, No 3, pp. 359-359.
Abstract: (1997). Multiple Comparisons: Theory and Methods. Journal of Quality Technology: Vol. 29, No. 3, pp. 359-359.
402 citations
TL;DR: This paper represents an attempt to offer a comprehensive bibliography of references on control charting using attribute data with a brief overview and perspective of some of the work in this ...
Abstract: This paper represents an attempt to offer a comprehensive bibliography of references on control charting using attribute data. A brief overview and perspective is given of some of the work in this ...
270 citations
TL;DR: A persistent problem in multivariate control chart procedures is the interpretation of a signal and a procedure for decompressing signals is proposed.
Abstract: A persistent problem in multivariate control chart procedures is the interpretation of a signal. Determining which variable or group of variables is contributing to the signal can be a difficult task fo rthe practitioner. However, a procedure for decomp..
261 citations
TL;DR: A multivariate exponentially weighted moving average control chart can be used to improve the detection of small shifts in multivariate statistical process control.
Abstract: A multivariate exponentially weighted moving average control chart can be used to improve the detection of small shifts in multivariate statistical process control. Recommendations are provided for the selection of parameters for such a chart. The recom..
244 citations
TL;DR: This research presents Run-to-Run (R2R) control techniques, which combine response surface, statistical process control, and feedback control to control various semiconductor manufacturing processes.
Abstract: In the last few years, "Run-to-Run" (R2R) control techniques have been developed and used to control various semiconductor manufacturing processes. These techniques combine response surface, statistical process control, and feedback control te..
225 citations
TL;DR: In this article, the X-bar chart with variable sampling intervals (VSI) and the variable sample size (VSS) are compared to the traditional X-Bar chart in detecting shifts in the process.
Abstract: Recent theoretical studies have shown that the X-bar chart with variable sampling intervals (VSI) and the X-bar chart with variable sample size (VSS) are quicker than the traditional X-bar chart in detecting shifts in the process. This article considers..
204 citations
191 citations
TL;DR: This paper proposes the use of nanofiltration membranes for the recovery of phosphorous with a second type of technology, called a “cryophoretic beads”, which can be injected into the manufacturing process to remove impurities.
Abstract: Most manufactured products must conform to multiple "fitness for use" criteria. The manufacturing design must balance these different needs and find settings of design parameters that maximize product quality. This paper proposes the use of qu..
177 citations
TL;DR: The standard approach to the analysis of situations in which the observations are not normally distributed is to transform the response into a new quantity that behaves more like a normal quantity.
Abstract: Situations in which the observations are not normally distributed arise frequently in the quality engineering field. The standard approach to the analysis of such responses is to transform the response into a new quantity that behaves more like a normal..
155 citations
TL;DR: In this article, the assessment of multivariate process control techniques is presented, with a focus on the use of multinomial process control methods for quality assurance. pp 140-143
Abstract: (1997) Assessment of Multivariate Process Control Techniques Journal of Quality Technology: Vol 29, No 2, pp 140-143
137 citations
TL;DR: Control charts and other related techniques for statistical process monitoring are in widespread use and have seen increasing emphasis as a practical approach to reducing variability in industrial applicatio..
Abstract: Control charts and other related techniques for statistical process monitoring are in widespread use. The last 20 years have seen increasing emphasis on statistical process control as a practical approach to reducing variability in industrial applicatio..
TL;DR: In this article, local polynomial modelling and its applications are discussed in the context of local quality technology and its application in the field of quality assurance. But they do not discuss the application of local polynomenial modelling in software engineering.
Abstract: (1997). Local Polynomial Modelling and its Applications. Journal of Quality Technology: Vol. 29, No. 2, pp. 234-234.
TL;DR: In this article, the assumption that the normal approximation to the binomial and Poisson distributions will be adequate was made. But this assumption was not always the case when using attribute control charts with 3 sigma limits.
Abstract: Attributes control charts have historically been used with 3-sigma limits. When such an approach is used there is the implicit assumption that the normal approximation to the binomial and Poisson distributions will be adequate. Control chart properties ..
TL;DR: Much controversy surrounds the use of process capability indices in quality assurance programs, including their legitimacy and consistency in monitoring improvement, their abuse by practitioners in using estimates as parame..
Abstract: Much controversy surrounds the use of process capability indices in quality assurance programs. Some of the controversies include the indices legitimacy and consistency in monitoring improvement, their abuse by practitioners in using estimates as parame..
TL;DR: In the early 1980s, industry embraced the use of designed experiments as an effective means for improving quality as discussed by the authors, and the practice of first transforming the data and then analyzing them by standa..
Abstract: Since the early 1980s, industry has embraced the use of designed experiments as an effective means for improving quality. For quality characteristics not normally distributed, the practice of first transforming the data and then analyzing them by standa..
TL;DR: Several methods have been proposed for constructing confidence intervals on measures of variability in a classical repeatability and reproducibility study as mentioned in this paper, and these methods are compared using computer simulation to determine if the intervals maintain the s..
Abstract: Several methods have been proposed for constructing confidence intervals on measures of variability in a classical repeatability and reproducibility study. These methods are compared using computer simulation to determine if the intervals maintain the s..
TL;DR: The sampling rate in a control chart, however, can be varied depending on what is observed from the process in order to reduce the average time taken to produce the control chart as discussed by the authors.
Abstract: Traditional control charts take samples from the process using a fixed sample size and fixed sampling interval. The sampling rate in a control chart, however, can be varied depending on what is observed from the process in order to reduce the average ti..
TL;DR: In this paper, the authors compare individual observation control procedures that are combinations of the moving range (MR), exponentially weighted movability (EWM) and moving range estimation (MRI).
Abstract: While there is much experience in monitoring processes with individual observations it is not clear which procedure is best We compare individual observation control procedures that are combinations of the moving range (MR), exponentially weighted movi
TL;DR: There has been considerable interest recently in the application of parameter design methodology to make a system's performance robust over a wide range of input conditions.
Abstract: There has been considerable interest recently in the application of parameter design methodology to make a system's performance robust over a wide range of input conditions. This has been referred to as robust design with dynamic characteristics. In thi..
TL;DR: In this paper, the authors explain the nature and importance of proportional integral control and show how it may be adapted to statistical process control and the relation of this type of control to exponential smoothing, minimum mean squared error control, and optimal.
Abstract: This paper explains the nature and importance of proportional-integral control and shows how it may be adapted to statistical process control. The relation of this type of control to exponential smoothing, minimum mean squared error control, and optimal..
TL;DR: In this article, considerations in the monitoring of autocorrelated and independent data were made for the first time, and the work was published in the Journal of Quality Technology (JQT).
Abstract: (1997). Considerations in the Monitoring of Autocorrelated and Independent Data. Journal of Quality Technology: Vol. 29, No. 2, pp. 131-133.
TL;DR: The ideas of robust parameter design focus on reducing product or process variability that is transmitted by noise variables that are difficult to control in the process or are not constant across different levels of consumer usage.
Abstract: The ideas of robust parameter design focus on reducing product or process variability that is transmitted by noise variables. These variables are difficult to control in the process or are not constant across different levels of consumer usage. In this ..
TL;DR: In this article, the quality of the end product is a function of the relative proportions of the ingredients and other extraneous process factors such as hea, hea and hea.
Abstract: Mixture experiments involve the mixing or blending of two or more ingredients to form an end product. Typically, the quality of the end product is a function of the relative proportions of the ingredients and other extraneous process factors such as hea..
TL;DR: A Comparison of Statistical Process Control and Engineering Process Control Journal of Quality Technology: Vol 29, No 2, pp 128-130 as mentioned in this paper, 1997] is a comparison of statistical process control and engineering process control.
Abstract: (1997) A Comparison of Statistical Process Control and Engineering Process Control Journal of Quality Technology: Vol 29, No 2, pp 128-130
TL;DR: An ANSI FORTRAN implementation of a new algorithm for the global optimization of dual response systems within a spherical region of interest, DRSALG, that guarantees, under conditions that..
Abstract: This paper presents an ANSI FORTRAN implementation of a new algorithm for the global optimization of dual response systems within a spherical region of interest. The algorithm, DRSALG, is a new computational method that guarantees, under conditions that..
TL;DR: A Bayesian modification is used to reduce the dependency of D-optimal designs on the assumed model and the total squared error of prediction and the distribution of information is studied.
Abstract: A Bayesian modification is used to reduce the dependency of D-optimal designs on the assumed model. We study the performance of these Bayesian D-optimal designs with respect to the total squared error of prediction and the distribution of information th..
TL;DR: In this paper, a control chart is proposed which monitors the conformance of a sample to an in-control distribution using the quantile or inverse cumulative distribution function, which permits detecting changes in the distributional shape which may be undetectable.
Abstract: A control chart is proposed which monitors the conformance of a sample to an in-control distribution using the quantile or inverse cumulative distribution function. This method permits detecting changes in the distributional shape which may be undetecte..
TL;DR: In this paper, two-level designs are split into blocks of size two, and the traditional method is to use mirror-image (foldover) pairs of runs, in which the signs of the factors are completely changed in the second run of the pair.
Abstract: When two-level designs are split into blocks of size two, the traditional method is to use mirror-image (foldover) pairs of runs, in which the signs of the factors are completely changed in the second run of the pair. This enables the estimation of all ..
TL;DR: In this article, process control and statistical inference is studied in the context of Quality Technology. But their work is limited to process control systems and does not consider statistical inference. And they focus on process control.
Abstract: (1997). Process Control and Statistical Inference. Journal of Quality Technology: Vol. 29, No. 2, pp. 134-139.