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Prasetyo, Waluyo
Universitas Nahdlatul Ulama Sidoarjo
Chemical Engineering, Chemistry & Bioengineering Engineering Environmental Science Industrial & Manufacturing Engineering

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PEMBUATAN PURWARUPA SISTEM INFORMASI PERSEDIAAN OPTIK STUDI KASUS: UD AGNES, MALANG Prasetyo, Waluyo
Journal of Research and Technology Vol 2, No 2 (2016)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (360.172 KB) | DOI: 10.5281/zenodo.2581991

Abstract

UD Agnes/Agnes Optic (AO) was established in 1990 and located at Jalan Imam Bonjol Kota Batu in Malang. This business is engaged in optical products and services. In this study, the research focus is product of eyeglass lenses. OA business development process has faced obstacles in inventory problem and manual restock process. During this time inventory management has not been managed well so it takes a long time to check inventory stock. EOQ method is used to calculate the inventory in gaining restock time and reduce stock inventory searching time so as to produce information about costs and benefits in each period. The result obtained are optimal restock time period for each stock, reduction of searching time inventory, and information cost and the benefits obtained by AO.
VEHICLE ROUTING PROBLEM ON JUICE DISTRIBUTION USING NEAREST NEIGHBOR METHOD Tamyiz, Muchammad; Prasetyo, Waluyo
Journal of Research and Technology Vol 4, No 1 (2018)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (296.546 KB) | DOI: 10.5281/zenodo.2580430

Abstract

The problem of product distribution becomes an important topic in a company's transportation system. PT Amanah Prima Indonesia (API) is a national-scale company engaged in the production of juice drinks. With the number of consumers scattered in the Semarang area, it is necessary a solution in the distribution of products in order to obtain operational efficiency. The method used is Nearest Neighborhod Algorithm. The results obtained are: (a) Distance savings of 144.20 Km or 40.06%, (b) Product distribution time can be reduced for 5.15 hours or 30.31%, (c) Fuel costs used obtained cost savings of Rp.108.150, - or equal to 40.06%, (d) Expenses for driver and companion cost is no difference of Rp.600.000, -, and (f) The total cost of distribution is obtained savings of Rp. 108,150 or 12.43%.
PENDISTRIBUSIAN SAMPAH DI KABUPATEN SIDOARJO MENGGUNAKAN APLIKASI SIMULASI Tamyiz, Muchammad; Prasetyo, Waluyo
Journal of Research and Technology Vol 4, No 2 (2018)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (107.377 KB) | DOI: 10.5281/zenodo.2580166

Abstract

The population of Sidoarjo Regency with a relatively high number and growth rate has consequences for the increase of waste produced volume. Increasing of volume waste is directly proportional to the increase in population, meaning that amount of waste produced is increasing (organic and inorganic waste). The TPA center in one of the garbage collection locations in Sidoarjo Regency has exceeded capacity (overload). This research was conducted with the aim of describing initial model of the distribution of waste used, evaluating initial performance model of waste distribution in Sidoarjo Regency, and providing recommendations to propose improvements in the waste distribution model used. The method applied in this study was using simulation. Based on the simulation results, the Third Scenario proposed the route with the most efficient distance, this affected the vehicle's operational time and the operational costs needed.
VEHICLE ROUTING PROBLEM DENGAN APLIKASI METODE NEAREST NEIGHBOR Prasetyo, Waluyo; Tamyiz, Muchammad
Journal of Research and Technology Vol 3, No 2 (2017)
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (84.497 KB) | DOI: 10.5281/zenodo.2581833

Abstract

Transportation problem is just like inventory, this is an activity in logistics area. This activity is possible to make some production in one place and to consume them in another place. The aim of this research were to evaluate the existing network distribution model performance and to provide sugestions to proper the network distribution model used. The applied metode to achieve the goal was Nearest Neighbor Algorithm. The results were: (a) Distance saving was 538,2 Km or 26,59%, (b) Distribution time of product could be reduced to 9,37 hours or 19,07%, (c) Fuel cost could be reduced to 403.650 rupiahs or 26,59%, (d) Driver and assistance cost could be saved to 272.850 rupiahs or 4,5%, and (f) Total of distribution cost could be saved to 676.500 rupiahs or 25,71%.
Co-Authors Muchammad Tamyiz