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All Journal Teknotan: Jurnal Industri Teknologi Pertanian JURNAL SAINS PERTANIAN EQUATOR International Journal of Nusantara Islam Jurnal Optimasi Sistem Industri Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal SOLMA JURNAL REKAYASA SISTEM INDUSTRI Jurnal HAM Jurnal Penelitian dan Pengabdian Kepada Masyarakat UNSIQ SIGMA TEKNIKA Jurnal Teknisi Jurnal Ar-Ribh Jurnal Nakula: Pusat Ilmu Pendidikan, Bahasa Dan Ilmu Sosial Abuya: Jurnal Pendidikan dasar PAUDIA: JURNAL PENELITIAN DALAM BIDANG PENDIDIKAN ANAK USIA DINI
Taufiq Rahman
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Journal : Jurnal Optimasi Sistem Industri

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Model EPQ Multi Item yang Dimodifikasi untuk Dua Permintaan secara Simultan Rahman, Taufiq; Jonrinaldi, Jonrinaldi; Henmaidi
Jurnal Optimasi Sistem Industri Vol. 16 No. 1 (2017): Published in May 2017
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1482.268 KB) | DOI: 10.25077/josi.v16.n1.p1-9.2017

Abstract

Inventory is one of many factors of the business operation that need to be controlled by industries in order to improve efficiency, enhance productivity, and decrease the holding cost. The holding cost of inventories in supply chain contribute to 20% - 40% of the product value. It can be controlled by applying appropriate inventory model, such as EPQ/Economic Production Quantity and EOQ/Economic Order Quantity. EPQ is an inventory model that used to determine the optimum production lot size with balanced the production setup cost and holding cost. Even the classic EPQ has applied widely in industries, the assumption used by this model differed between the researchers whether it is continuous or discrete demand, because the multi delivery or discrete demand is mostly used by industries. Even so, there are industries that used both continuous and discrete demand simultaneously. Based on previous research, there was an advanced EPQ model that synchronizing both assumptions simultaneously, but it still addressed single item problem. Since almost the industries produced multi item, this model has lack of applicability. Therefore, this research proposed a multi item EPQ Model that synchronizing continuous and discrete demand simultaneously. The solution procedure that used in this proposed model are classical calculus method/differential calculus and simultaneous approach. A numerical example is given to show the effectiveness of the proposed approach based on the data from the literature.
Co-Authors Anggraeni, Andini Setyo Anggraini, Selly Putri Anugrah, Jelita Balqis As’ad, Mahrus Citra Indah Asmarawati Eko Sulistyono Sulistyono Fahruddini, Reant Egie Fika Fitrotin Karomah Firdasari Firdasari Hadi, Sahid Hamid Ahmad Handayani, Vitri Aprilla Henmaidi Hernando, Luki Jonrinaldi Kafiyatur Rizqah Lunardi, Louis Mardiansyah, Yopy Marisi Aritonang Mubiar Agustin Muhammad Fajar Shodiq, Muhammad Fajar Nahrul Hayati Nur Asikin Prasetiyo, Adi Bagus Robayanti, Dinda Rohanawati, Ayunita Nur Sadiq Ardo Wibowo, Sadiq Ardo Sapitri, Ria Siswono, Anggi Suarni, Agusdiwana Sunarsono, Hery Surya Bintarti Suwarga, Gantang Wanti Fitrianti