Sugiono, Mohammad Cipto (2018) Pengembangan Model Persediaan Spare Part Terintegrasi Pada Rantai Pasok Di Sebuah Industri Pertambangan. Masters thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Pengelolaan persediaan pada lini retail mining merupakan salah satu aspek yang penting untuk diperhatikan agar perusahaan retail mining dapat memenuhi kebutuhan konsumen dengan tetap dapat meminimalkan biaya. Permasalahan yang dihadapi perusahaan retail mining, salah satunya pada retail mining di Pertambangan adalah penentuan kebutuhan spare part dari tiap retail mining dan gudang pusat distribusi yang masih dilakukan berdasarkan expert judgement sehingga dapat meningkatkan risiko terjadinya overstock atau shortage. Selain itu, penentuan kebutuhan spare part pada tiap retail mining masih dikelola secara independen sehingga dapat mengakibatkan terjadinya distorsi permintaan dan berdampak pada tingginya biaya persediaan. Penelitian ini mengajukan pengembangan model Vendor Managed Inventory (VMI) dengan kasus single vendor, single warehouse, multi retail mining, dan multi-product untuk mendukung pengelolaan persediaan pada perusahaan retail mining dengan metode algoritma genetika. Tujuan dari penelitian ini adalah meminimasi total biaya persediaan dan variabel keputusan yaitu menentukan order quantity masing-masing retail mining (qij), reorder point masing-masing retail mining (rij), frekuensi pengiriman ke masing-masing retail mining untuk setiap periode (nij) dan order quantity gudang pusat distribusi (Qi). Pada pengembangan model menghasilkan biaya persediaan sebesar Rp 52.252.161,00. Nilai ini lebih rendah 17,77% dibandingkan dengan biaya persediaan eksisting.
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Inventory management at the retail mining line is one of the important
aspects to be considered so that retail mining companies can meet consumer needs
while still minimizing costs. The problems faced by retail mining companies, one
of which is in mining, is the determination of spare part requirements from each
retail mining and distribution center warehouse which is still carried out based on
expert judgment so that it can increase the risk of overstock or shortage. In
addition, the determination of spare part requirements for each retail mining is still
managed independently so that it can lead to demand distortions and have an
impact on high inventory costs. This study proposes the development of a Vendor
Managed Inventory (VMI) model with cases of single vendors, single warehouses,
multi retail mining, and multi-products to support inventory management in retail
mining companies using the genetic algorithm method. The purpose of this study
is to minimize the total inventory costs and decision variables, namely to
determine the order quantity of each branch (qij), reorder points of each branch
(rij), the frequency of delivery to each branch for each period (nij) and order
distribution center warehouse quantity (Qi). In the development of the model
generate inventory costs of Rp 52,252,161.00. This value is lower by 17.77%
compared to the existing inventory cost.
| Item Type: | Thesis (Masters) |
|---|---|
| Additional Information: | RTI 658.72 Sug p-1 2018 |
| Uncontrolled Keywords: | Manajemen Persediaan, Spare part Management, Vendor Managed Inventory, Algoritma Genetika |
| Subjects: | H Social Sciences > HD Industries. Land use. Labor > HD38.5 Business logistics--Cost effectiveness. Supply chain management. ERP T Technology > TS Manufactures > TS155 Production control. Production planning. Production management |
| Divisions: | Faculty of Industrial Technology and Systems Engineering (INDSYS) > Industrial Engineering > 26101-(S2) Master Thesis |
| Depositing User: | Mohammad Cipto Sugiono |
| Date Deposited: | 13 Sep 2021 07:37 |
| Last Modified: | 21 Mar 2023 01:56 |
| URI: | http://repository.its.ac.id/id/eprint/60105 |
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