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A study on a robust control chart and process capability analysis

Hertanto, Yusak Irvan (1998) A study on a robust control chart and process capability analysis. Bachelor thesis, Petra Christian University.

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Abstract

Control 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.

Item Type: Thesis (Bachelor)
Subjects: UNSPECIFIED
Divisions: UNSPECIFIED
Depositing User: Admin
Date Deposited: 23 Mar 2011 18:48
Last Modified: 30 Mar 2011 15:36
URI: http://repository.petra.ac.id/id/eprint/5719

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