The performance of the Shewhart X̄ control chart with estimated in-control parameters has
been discussed a number of times in the literature. Previous studies showed that at least …

In the world of business, quality improvement is of high importance for the manufacturing
industries. Statistical process control via control charts provides an online monitoring of the …

In many applications, it is of interest to identify anomalous behavior within a dynamic
interacting system. Such anomalous interactions are reflected by structural changes in the …

The impact of parameter estimation on control charts has been studied with great interest in
the recent literature. The estimated control limits affect chart performance, often negatively …

Some issues are discussed relative to the gap between theory and practice in the area of
statistical process monitoring (SPM). Among other issues, it is argued that the collection and …

We evaluate the in-control performance of the S 2 control chart with estimated parameters
conditional on the Phase I sample. Simulation results indicate no realistic amount of Phase I …

The performance of control charts can be adversely affected when based on parameter
estimates instead of known in‐control parameters. Several studies have shown that a large …

In recent years, the coefficient of variation (CV) chart is receiving increasing attention in
quality control. A number of studies demonstrated that adaptive charts could detect process …

When in-control parameters are unknown, they have to be estimated using a reference
sample. Due to the use of different reference samples in phase I, the control chart …

In several cases of product quality control in manufactur industries, data that has a small
average shift is found due to autocorrelated data, which is a state where the data currently …