Indeks Kemampuan Proses Baru Untuk Distribusi Non - Normal  

Oleh:

Herowati, Evy

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Jurnal Teknologi Industri dan Informasi vol. 3 no. 2 (Aug. 2002), page 137-145.
Topik: Distribusi; process; capability index; non - normal distribution; proportion of non conformity

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ84.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Products produced from manufacturing process always vary. As long as the product's variance is still between its specifications limit, this variance is not considered as a serious problem. Process capability analysis can be helpful in quantifying process variability relative to the product specifications and in assisting the variability reduction. One of the commonly used measurements in process capability analysis is process capability index (PCI). Four basic models of PCI have been developed for normally and non - normally distributed quality characteristics. All of the models developed have been proposed to measure process performance about variability process and degree departure of the process mean from the target value into account proportion of non conformity too. This new index is still based on the assumption that the process underlying distribution is normal. In this paper, modification of the new PCI S(t) pmk for non - normal distributions is proposed with their estimations while illustrating the use of the model for underlying distribution. The new model is found better than the old one.

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