Strategi Pengendalian Persediaan pada Rantai Pasok Multi-Echelon untuk Fast Moving Products dengan Pendekatan Sistem Dinamik

Syafira, Almira Shabna (2023) Strategi Pengendalian Persediaan pada Rantai Pasok Multi-Echelon untuk Fast Moving Products dengan Pendekatan Sistem Dinamik. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Pengendalian persediaan merupakan aktivitas penting dalam memastikan ketersediaan persediaan dan pemenuhan permintaan yang dapat memengaruhi kinerja rantai pasok. Dalam pemenuhan permintaannya, PT X, sebuah perusahaan produsen fast moving product dengan produk kurang lebih berjumlah 1600 SKU dalam 10 group product memiliki tiga tahap distribusi yakni National Distribution Center (NDC), Regional Distribution Center (RDC), dan Distribution Center (DC), dimana antar DC dapat melakukan order dan supply satu sama lain (transshipment). Permasalahan terkait pengendaian persediaan dialami oleh PT X, dimana mekanisme perngendalian persediaan yang saat ini dilakukan PT X masih memiliki kelemahan yang menyebabkan kinerja rantai pasok dari segi responsivitas yang direpresentasikan oleh fill rate masih jauh dari target yang disebabkan karena ketidakmampuan DC dalam pemenuhan permintaan akibat dari permasaalahn ketidakseimbangan stock, understock, dan overstock di beberapa DC serta pengendalian persediaan yang saat ini dilakukan masih belum mempertimbangkan efisiensi biaya dari masing-masing fasilitas. Pendekatan simulasi sistem dinamik digunakan pada tugas akhir ini yang bertujuan untuk mengetahui strategi pengendalian persediaan pada rantai pasok multi-echelon perusahaan fast moving goods di Indonesia. Terdapat tiga skenario perbaikan kebijakan pengendalian yang dikembangkan. Skenario perbaikan kebijakan pengendalian persediaan yang dikembangkan akan diimplementasikan di masing-masing fasilitas. Skenario pertama menerapkan kebijakan min-max inventory dan skema transshipment . Skenario kedua adalah skenario dengan penerapan min-max inventory dan skema transshipment yang terdiri dari 3 sub skenario dengan variasi penambahan safety stock sebesar 10%, 20% dan 30%. Skenario ketiga adalah skenario penerapan kebijakan min-max inventory tanpa skema transshipment. Masing-masing skenario dibandingkan hasil fill rate dan total cost. Skenario yang memberikan hasil fill rate dengan tetap meminimalkan total cost akan dipilih sebagai rekomendasi untuk PT X. Berdasarkan hasil simulasi, skenario yang memberikan hasil terbaik adalah skenario penerapan kebijakan min-max inventory dengan penambahan safety stock sebesar 10% dan dengan skema transshipment. Skenario tersebut mengahasilkan rata-rata fill rate sebesar 97,55% dengan total cost sebesar Rp95.730.419.
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Inventory control is an important activity in ensuring inventory availability and demand fulfilment that can affect supply chain performance. In fulfilling its demand, PT X, a fast-moving product manufacturer with approximately 1600 SKUs in 10 product groups has three distribution stages, namely the National Distribution Center (NDC), Regional Distribution Center (RDC), and Distribution Center (DC), where between DCs can place orders and supply each other (transshipment). Problems related to inventory control are experienced by PT X, where the inventory control mechanism currently carried out by PT X still has weaknesses that cause supply chain performance in terms of responsiveness represented by the fill rate is still far from the target due to the inability of DCs to meet demand due to stock imbalance, understock, and overstock problems in several DCs and inventory control that is currently carried out still does not consider the cost efficiency of each facility. The dynamic system simulation approach used in this final project aims to determine the inventory control strategy in the multi-echelon supply chain of fast-moving goods companies in Indonesia. There are three scenarios of control policy improvements developed. The scenarios of inventory control policy improvements developed will be implemented in each facility. The first scenario applies a min-max inventory policy and a transshipment scheme. The second scenario is a scenario with the application of min-max inventory and a transshipment scheme consisting of 3 sub-scenarios with variations in the addition of safety stock of 10%, 20% and 30%. The third scenario is a scenario of implementing a min-max inventory policy without a transshipment scheme. Each scenario is compared to the results of fill rate and total cost. The scenario that provides fill rate results while minimizing total cost will be selected as a recommendation for PT X. Based on the simulation results, the scenario that provides the best results is the scenario of implementing a min-max inventory policy with an additional safety stock of 10% and with a transshipment scheme. The scenario produces an average fill rate of 97,55% with a total cost of Rp 95.730.419

Item Type:	Thesis (Other)
Uncontrolled Keywords:	Continuous Review Model, Multi-Echelon, Pengendalian Persediaan, Rantai Pasok, Simulasi Sistem Dinamik; Continuous Review Model, Dynamic System Simulation, Inventory Control, Multi-Echelon, Supply Chain
Subjects:	H Social Sciences > HD Industries. Land use. Labor > HD38.5 Business logistics--Cost effectiveness. Supply chain management. ERP H Social Sciences > HD Industries. Land use. Labor > HD55 Inventory control T Technology > T Technology (General) > T57.62 Simulation
Divisions:	Faculty of Industrial Technology and Systems Engineering (INDSYS) > Industrial Engineering > 26201-(S1) Undergraduate Thesis
Depositing User:	Almira Shabna Syafira
Date Deposited:	29 Aug 2023 08:47
Last Modified:	29 Aug 2023 08:47
URI:	http://repository.its.ac.id/id/eprint/102081

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