A NOVEL CLUSTERING APPROACH FOR ESTIMATING THE TIME OF STEP CHANGES IN SHEWHART CONTROL CHARTS

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GHAZANFARI MAHDI; ALA ALDINI A.; NOGHONDARIAN K.

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Journal Paper

Paper Information

Journal: International Journal of Industrial Engineering & Production Research Year:2008 | Volume:19 | Issue:4 Page(s): 39-46

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Information Journal Paper

Title

A NOVEL CLUSTERING APPROACH FOR ESTIMATING THE TIME OF STEP CHANGES IN SHEWHART CONTROL CHARTS

Author(s)

GHAZANFARI MAHDI | ALA ALDINI A. | NOGHONDARIAN K. | Issue Writer Certificate

Keywords

CLUSTERING

CHANGE-POINT ESTIMATION

CONTROL CHART

STATISTICAL PROCESS CONTROL (SPC)

Abstract

Although CONTROL CHARTs are very common to monitoring process changes, they usually do not indicate the real time of the changes. Identifying the real time of the process changes is known as CHANGE-POINT ESTIMATION problem. There are a number of change point models in the literature; however most of the existing approaches are dedicated to normal processes. In this paper we propose a novel approach based on CLUSTERING techniques to estimate Shewhart CONTROL CHART change-point when a sustained shift is occurrs in the process mean. For this purpose we devise a new CLUSTERING mechanism, a new similarity measure and a new objective function. The proposed approach is not only capable of detecting process change-points, but also automatically estimates the true values of the out-of-control parameters of the process. We also compare the performance of the proposed approach with existing methods.

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APA: Copy

GHAZANFARI, MAHDI, ALA ALDINI, A., & NOGHONDARIAN, K.. (2008). A NOVEL CLUSTERING APPROACH FOR ESTIMATING THE TIME OF STEP CHANGES IN SHEWHART CONTROL CHARTS. INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION RESEARCH (IJIE) (ENGLISH), 19(4), 39-46. SID. https://sid.ir/paper/550697/en

Vancouver: Copy

GHAZANFARI MAHDI, ALA ALDINI A., NOGHONDARIAN K.. A NOVEL CLUSTERING APPROACH FOR ESTIMATING THE TIME OF STEP CHANGES IN SHEWHART CONTROL CHARTS. INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION RESEARCH (IJIE) (ENGLISH)[Internet]. 2008;19(4):39-46. Available from: https://sid.ir/paper/550697/en

IEEE: Copy

MAHDI GHAZANFARI, A. ALA ALDINI, and K. NOGHONDARIAN, “A NOVEL CLUSTERING APPROACH FOR ESTIMATING THE TIME OF STEP CHANGES IN SHEWHART CONTROL CHARTS,” INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION RESEARCH (IJIE) (ENGLISH), vol. 19, no. 4, pp. 39–46, 2008, [Online]. Available: https://sid.ir/paper/550697/en

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