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Journal : Jurnal Rekayasa Sistem Industri

Pengendalian Persediaan Produk Obat Herbal pada Permintaan Probabilistik Menggunakan Joint Economic Lot Size Rainisa Maini Heryanto; Yosi Thedi Setiawan; Vivi Arisandhy
Jurnal Rekayasa Sistem Industri Vol. 8 No. 1 (2019): Jurnal Rekayasa Sistem Industri
Publisher : Universitas Katolik Parahyangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (721.213 KB) | DOI: 10.26593/jrsi.v8i1.3252.39-46

Abstract

Integration in supply chain is an important factor to consider. Good integration between entity in supply chain can give some advantages from minimize cost to competitiveness between supply chain.  Company X is manufacturer of herbs medicine which has single distributor to sell the product. Currently, manufacturer and distributor have their inventory control policies and there is no coordination among echelon. It causes the difference number of production lot from manufacturer and the number of order from distributor, consequently total inventory cost become expensive.This research will propose Joint Economic Lot Size (JELS) method that can integrate these two echelons and will give the minimum total inventory cost. The proposed JELS method is integration between Cardenas-Barron model about EPQ backorder and Ben-Daya and Hariga model about integration model between single supplier and single consumer. Calculation process begin with forecasting demand, calculation of actual inventory control at echelon manufacturer and distributor, and calculation of proposed method. The result of calculation process show that total actual inventory cost is 5.500.371,476 IDR/month and the proposed method give 4.604.766,665 IDR/month. The proposed method can give saving about 895.604,811 IDR/month or 16,28%.                      Key words: cost, integration, JELS, inventory
Perancangan Sistem Informasi Pengendalian Persediaan Bahan Bangunan Vivi Arisandhy; David Try Liputra; Jonathan Chandra; Viter Pranata; Tonny Cahyadi
Jurnal Rekayasa Sistem Industri Vol. 12 No. 2 (2023): Jurnal Rekayasa Sistem Industri
Publisher : Universitas Katolik Parahyangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/jrsi.v12i2.6049.173-186

Abstract

Inventory management is important for companies so that optimal efficiency and effectiveness can be achieved. With modern information technology and data management, companies can use inventory information systems to manage data in a more structured and efficient way. Many studies related to inventory information systems have been carried out. However, in those studies, the designed information systems have not been able to issue automatic warnings for inventories that are about to run out. The object of this research is TB X. Previous research has designed an inventory information system at TB X which still requires the user to operate it manually, namely in terms of transferring operational software data to a spreadsheet for methods calculation and vice versa. Therefore, in this research an information system will be designed so that the company can control its inventory more easily. The design of the inventory control information system uses the waterfall method and the application test uses the black box testing method. The design of the inventory control information system will implement the Q method algorithm. Based on the research results, it is known that the designed information system has advantages over previous research, namely being able to issue warning statuses automatically, easier to control inventory compared to the manual method, faster in finding the information needed, more environmentally friendly because it is paperless , making procedures more orderly and avoiding repetitive data errors or missing data, more accurate profit calculations because the system is directly calculated according to sales transaction data, and more accurate or reducing errors in recording the amount of inventory stored compared to the manual method.
Desain Mitigasi Risiko Rantai Pasok Darah Menggunakan Pendekatan Baru Heryanto, Rainisa Maini; Liputra, David Try; Arisandhy, Vivi; Amalina, Ninda Nurseha
Jurnal Rekayasa Sistem Industri Vol. 13 No. 2 (2024): Vol. 13 No. 2 (2024): Jurnal Rekayasa Sistem Industri
Publisher : Universitas Katolik Parahyangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/jrsi.v13i2.7326.143-156

Abstract

Blood is an essential component for body and plays critical role in human survival. Hospital blood banks (HBB) are responsible for ensuring availability and safety of blood in particular area. Risks that could arise in blood supply chain at HBB need to receive full attention, especially in the event of an outbreak or disaster. This attention is necessary to ensure smooth flow of activities, information, products, and finances. The primary objective of this research is to develop risk mitigation design for the blood supply chain. This research focuses on case study at HBB in Bandung City with specific focus on packaged red blood cells. The new approach used in this research involves initiating process by collecting potential risks, which are then defined and classified within the supply chain operations reference (SCOR) model. Subsequently, questionnaires were distributed to gather input for calculating weights using the analytical hierarchy process (AHP). Following step involves identifying root cause of these risk through fault tree analysis (FTA) and determining the most influential risk causes using failure mode effect and analysis (FMEA). Final phase entails designing strategies for mitigating risks in blood supply chain. This research aims to assist HBB facilities in prioritizing risks for treatment and implementing strategies to minimize these risks within their respective areas. According to AHP results, risk with the highest weight (0.173) is unavailability of blood stock at Indonesian Red Cross due to a shortage of donors. This risk can be mitigated by incorporating blood donation activities in agencies and HBB. The new approach in the research could provide more detailed mapping of blood supply chain risks.
Desain Mitigasi Risiko Rantai Pasok Darah Menggunakan Pendekatan Baru Heryanto, Rainisa Maini; Liputra, David Try; Arisandhy, Vivi; Amalina, Ninda Nurseha
Jurnal Rekayasa Sistem Industri Vol. 13 No. 2 (2024): Vol. 13 No. 2 (2024): Jurnal Rekayasa Sistem Industri
Publisher : Universitas Katolik Parahyangan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/jrsi.v13i2.7326.143-156

Abstract

Blood is an essential component for body and plays critical role in human survival. Hospital blood banks (HBB) are responsible for ensuring availability and safety of blood in particular area. Risks that could arise in blood supply chain at HBB need to receive full attention, especially in the event of an outbreak or disaster. This attention is necessary to ensure smooth flow of activities, information, products, and finances. The primary objective of this research is to develop risk mitigation design for the blood supply chain. This research focuses on case study at HBB in Bandung City with specific focus on packaged red blood cells. The new approach used in this research involves initiating process by collecting potential risks, which are then defined and classified within the supply chain operations reference (SCOR) model. Subsequently, questionnaires were distributed to gather input for calculating weights using the analytical hierarchy process (AHP). Following step involves identifying root cause of these risk through fault tree analysis (FTA) and determining the most influential risk causes using failure mode effect and analysis (FMEA). Final phase entails designing strategies for mitigating risks in blood supply chain. This research aims to assist HBB facilities in prioritizing risks for treatment and implementing strategies to minimize these risks within their respective areas. According to AHP results, risk with the highest weight (0.173) is unavailability of blood stock at Indonesian Red Cross due to a shortage of donors. This risk can be mitigated by incorporating blood donation activities in agencies and HBB. The new approach in the research could provide more detailed mapping of blood supply chain risks.