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ITS » Master Theses » Matematika - S2
Posted by dewi007 at 21/08/2009 11:11:13  •  7723 Views


COMPARISON OF MEASUREMENT ERROR EFFECT ON CUSUM AND EWMA CONTROL CHART TO DETECT THE SHIFT IN MEAN PROCESS

Author :
Maratoni, Hanatri Putri ( 1207201743 )




ABSTRAK

Peta kendali Cumulative Sum Cusum dan Exponentially Weighted Moving Average EWMA diketahui efektif untuk mengetahui pergeseran ratarata proses yang kecil. Penelitian yang telah dilakukan selama ini adalah mengkaji peta kendali Cusum dan EWMA secara terpisah. Kesalahan pengukuran biasanya sering ditemui dalam aplikasi pengendalian kualitas yang mempengaruhi hasil dari proses. Dalam penelitian ini akan dipaparkan bagaimana pembentukan peta kendali EWMA dan Cusum selanjutnya dibandingkan pengaruh kesalahan pengukuran pada peta kendali Cusum dan EWMA untuk mendeteksi pergeseran rata-rata proses. Perbandingan kedua peta kendali tersebut berdasarkan nilai Average Run Length ARL sehingga didapatkan peta kendali yang lebih peka untuk mendeteksi pergeseran rata-rata proses yang kecil. Model yang digunakan pada penelitian ini diasumsikan dengan covariate.


ABSTRACT

Cusum and EWMA control charts are known effective to figure out the shift of small mean process. Some researches had been done so far to study the Cusum and EWMA control chart separately. Measurement error is usually often meet in quality control application which is affecting the result of process. In this study will eraburate how to construct Cusum and EWMA control chart and the comparison of measurement error in Cusum and EWMA control chart will be studied also to detect shift in mean process. The comparison of those both control chart is based on ARL value so that the more sensitive control chart to detect the shift of mean process will be achieved. Model that will be used in this study is assumed by covariate.



KeywordsEWMA ; Cusum ; ARL ; kesalahan pengukuran ; rantai Markov
 
Subject:  Pengawasan produksi;kualitas pengawasan
Contributor
  1. Dra. Nuri Wahyuningsih, M.Kes
    Dra. Laksmi Prita Wardhani, M.Si
Date Create: 21/08/2009
Type: Text
Format: pdf.
Language: Indonesian
Identifier: ITS-Master-3100009035206
Collection ID: 3100009035206
Call Number: RTMa 519.86 Mar p


Source
Master Theses of Mathematics, RTMa 519.86 Mar p, 2009

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Copyright @2009 by ITS Library. This publication is protected by copyright and permission should be obtained from the ITS Library prior to any prohibited reproduction, storage in a retrievel system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to ITS Library




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