Keyword: control charts

Found 90 papers in total
Time series analysis of process data
Time series analysis of process data
2007,
Statistical Process Control (SPC) is an integral component of almost every industrial...
Estimating the out-of-control rate from control chart data in the presence of multiple causes and process improvement
Estimating the out-of-control rate from control chart data in the presence of multiple causes and process improvement
2004,
A processed monitored with an --> X --> chart is considered. It may go out of control...
The economic design of −x charts: A proactive approach
The economic design of −x charts: A proactive approach
2005,
It has long been recognized that poor quality can only result in higher costs. Yet,...
The effects of three statistical control charts on task performance
The effects of three statistical control charts on task performance
2004,
This study investigated the effects of graphical characteristics on three common...
A multivariate exponentially weighted moving average control chart for monitoring process variability
A multivariate exponentially weighted moving average control chart for monitoring process variability
2003,
This paper introduces a new multivariate exponentially weighted moving average ((EWMA)...
Skewness correction &Xmacr; and R charts for skewed distributions
Skewness correction &Xmacr; and R charts for skewed distributions
2003,
This paper proposes a skewness correction (SC) method for constructing the &Xmacr; and...
Optimal control limits for cumulative count of conforming charts in the presence of inspection errors
Optimal control limits for cumulative count of conforming charts in the presence of inspection errors
2003,
The control chart based on cumulative count of conforming (CCC) items between the...
Comparison of standard and individual limits Phase I Shewhart &Xmacr;, R, and S charts
Comparison of standard and individual limits Phase I Shewhart &Xmacr;, R, and S charts
2003,
Phase I control charts are used as aids in bringing a process into and defining the...
An extension of Banerjee and Rahim's model for economic design of moving average control chart for a continuous flow process
An extension of Banerjee and Rahim's model for economic design of moving average control chart for a continuous flow process
2002,
In this paper, we propose a model of a moving average control chart (MA control chart)...
Robustness properties of multivariate exponentially-weighted moving average control charts
Robustness properties of multivariate exponentially-weighted moving average control charts
2003,
In this paper, the robustness of the multivariate exponentially-weighted moving...
Assessing the performance of control charts for monitoring customer satisfaction survey data
Assessing the performance of control charts for monitoring customer satisfaction survey data
2002,
This paper discusses the use of control charts in monitoring customer satisfaction...
Comparing the effectiveness of various Bayesian &Xmacr; control charts
Comparing the effectiveness of various Bayesian &Xmacr; control charts
2002,
In an attempt to improve the procedures for statistical process control many...
Sample size and the Binomial CUSUM Control Chart: the case of 100% inspection
Sample size and the Binomial CUSUM Control Chart: the case of 100% inspection
2001,
The Binomial CUSUM is used to monitor the fraction defective ( p ) of a repetitive...
A neural network-based procedure for the monitoring of exponential mean
A neural network-based procedure for the monitoring of exponential mean
2001,
Control charts are widely used for both manufacturing and service industries....
On constructing T-2 control charts for on-line process monitoring
On constructing T-2 control charts for on-line process monitoring
1999,
In this paper we study the performance of Chi-squared control limits on T-2 control...
Run length distributions for estimated attributes charts
Run length distributions for estimated attributes charts
1999,
Attributes control charts, such as c and p charts, are popular methods for detecting...
A more accurate formulation for a class of models for the economic design of control charts
A more accurate formulation for a class of models for the economic design of control charts
1997,
Some of the published models for the economic design of control charts use the...
Modified Shewhart-exponentially weighted moving average control charts
Modified Shewhart-exponentially weighted moving average control charts
1997,
A modified Shewhart-exponentially weighted moving average X-bar statistical control...
Using radial basis function neural networks to recognize shifts in correlated manufacturing process parameters
Using radial basis function neural networks to recognize shifts in correlated manufacturing process parameters
1998,
Traditional statistical process control (SPC) techniques of control charting are not...
The SPRT chart for monitoring a proportion
The SPRT chart for monitoring a proportion
1998,
A control chart based on applying a sequential probability ratio test (SPRT) at each...
An economic model for integrated automatic and statistical process control charts
An economic model for integrated automatic and statistical process control charts
2000,
As suggested by Box and Kramer and others, it is possible to reduce both the special...
Change-point detection of mean vector or covariance matrix shifts using multivariate individual observations
Change-point detection of mean vector or covariance matrix shifts using multivariate individual observations
2000,
A preliminary control chart is given for detecting a shift in the mean vector, the...
Detecting changes in autoregressive processes with &Xmacr; and exponentially weighted moving average charts
Detecting changes in autoregressive processes with &Xmacr; and exponentially weighted moving average charts
2000,
The traditional use of control charts necessarily assumes the independence of data. It...
Univariate &Xmacr; control charts for individual characteristics in a multinormal model
Univariate &Xmacr; control charts for individual characteristics in a multinormal model
2000,
The early work on multivariate statistical process control was built upon Hotelling's...
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