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Library's collection Library's IT development CancelControl chart is a very extensively used tool in testing that the process
is in a state of statistical control. In this study, a robust control chart for
variables is proposed, which is based on the Huber's M-Estimator. The
Huber's M-Estimator is well-known robust estimator in sense of distributional
robustness or outlier resistance. In the proposed chart, the estimation of the
process deviation is modified to have a stable level and high power.
To compare the performance of the proposed control chart with the
classical x-bar chart, come Monte Carlo simulations are performed. The
simulation results show that the robust control chart has good performance.