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Journal : Widya Warta

Penentuan Rute Distribusi Produk yang Meminimumkan Jarak Tempuh dan Jumlah Kendaraan dengan Pendekatan Metode Heuristik Vehicle Routing Problem Indrawati, Chatarina Dian
Widya Warta No. 01 Tahun XXXVIII / Januari 2014
Publisher : Universitas Katolik Widya Mandala Surabaya Kampus Kota Madiun

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Abstract

Distribution route and time management play important roles in a business. These aspects are closely concerned with the means of transportation and speed of delivery of a product. This research is an attempt at tracing the distribution process and time spending in the marketing of soybean tempe. It is a case study on “Murni” SME production of Mantab Rasa. The study applied Heuristic method using constructive initial feasible Nearest to depot method with Vehicle Routing Problem Time Windows (VRPTW). The result found four routes for vehicle B (two-wheeled motorcycle) and one routes for vehicle A (three-wheeled mototrcycle). The total time spent was 252.775 minutes for the distance 41 miles.
PERENCANAAN KEBUTUHAN BAHAN BAKU SERTA PENGENDALIAN PERSEDIAAN BAHAN BAKU INDUSTRI PENGOLAHAN TEMPE KEDELAI (STUDI KASUS : UMKM TEMPE KEDELAI “MURNI” MADIUN) Indrawati, Chatarina Dian
Widya Warta No. 02 Tahun XL/Juli 2016
Publisher : Universitas Katolik Widya Mandala Surabaya Kampus Kota Madiun

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Abstract

The UMKM’s of soybean processing in Madiun is 100 in number. All of them are small home industries Most of the soybean processing businesses do not make use of good management system yet. Consequently, they  face so many problems and barriers to develop their businesses. One effort in the management system intended is concerned with supply control and determination of daily production, which will  influence  the  operation of those companies. It is due to the fact that the two aspects are closely related to the level of market demand. If the amount of production and the number of requests are not met or approached at a point, then there will be a loss. In Murni, one of the UMKM’s of soybean processing,  it frequently happens that the number of production is excessive or short compared to the market demand in the period of production. As a result, some of the soybean is not saleable, or market demand is not met. The data analysis indicates that the total need for raw materials of soybean per year is 85,403 kg. In connection with stock planning, the analysis using POQ method shows that reservation interval (T) is 4 periods ahead and requires a total cost of IDR 617,449,375 annually.
IDENTIFIKASI DAN PEMBOBOTAN RISIKO RANTAI PASOKAN: SEBUAH TINJAUAN LITERATUR Indrawati, Chatarina Dian
Widya Warta No. 02 Tahun XLI/Juli 2017
Publisher : Universitas Katolik Widya Mandala Surabaya Kampus Kota Madiun

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Abstract

For a manager or manager of an organization, risk is a threat / danger that may interfere with normal activities or stop a thing that has been planned. Risks generally occur in all areas, including the supply chain. The supply chain is the process of linking the process from the initial search of raw material sources or commodities to the stages of manufacturing, processing, storage, transportation to last delivery and consumed by the end consumer. Risk identification is done by qualitative method approach such as literature study, survey / questionnaire / interview with supply chain actors with reference to SCOR, AHP and ANP model, followed by descriptive analysis. From the risk identification result, there is risk taking to determine the priority of risk that is immediately mitigated. The risk-weighted approach is carried out with a quantitative approach such as FMEA, Fuzzy FMEA, FAMs, OWA, AHP, Fuzzy AHP and ANP.