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All Journal Jurnal Teknik Industri Agrointek Jurnal Simantec JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) REKAYASA PROZIMA (Productivity, Optimization and Manufacturing System Engineering) Jurnal Serambi Engineering Industri Inovatif : Jurnal Teknik Industri Jurnal Aplikasi Ilmu Teknik Industri (JAPTI) TIERS Information Technology Journal Jurnal Pengabdian Masyarakat Charitas Prosiding Seminar Nasional Rekayasa dan Teknologi (TAU SNAR- TEK) Widya Teknik
Ernaning Widiaswanti
Teknik Industri, Universitas Trunojoyo Madura
Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Physics Social Sciences Transportation

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Journal : Agrointek

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Model integrasi penentuan lokasi pusat distribusi pada jaringan hub and spoke: studi kasus pusat distribusi di Jawa Timur Fitri Agustina; Nachnul Ansori; Trisita Novianti; Ernaning Widiaswanti
AGROINTEK Vol 16, No 4 (2022)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v16i4.17208

Abstract

Strategic planning for the supply chain is part of the planning process for the supply chain management. One part of this process is figuring out the supply chain's infrastructure and physical structure. The design of supply chain networks has been used for facility location models for more than 20 years. The hub and spoke system is a two-level distribution network with a hub that handles shipments and spokes that connect with consumers. This study integrates optimization techniques with decision-making tools to determine  the best location for distribution centers. The optimization method is modified by considering population, income, and distance factors. The location of the distribution center is determined at two levels. The first level uses the set covering method, while the second uses the Analytical Hierarchy Process (AHP). A case study is drawn from this research: a company that will determine regional and local distribution centers in East Java. The result is four regional distribution centers: Pacitan, Kediri, Banyuwangi, and Sumenep. Each regional distribution center has two local distribution centers: Pacitan (Tulungagung and Madiun), Kediri (Bojonegoro and Jombang), Banyuwangi (Pasuruan and Malang), and Sumenep (Surabaya and Gresik). This study illustrates how the integration of two-level method can be applied in the context of strategic decision making. The selected locations have a minimum total cost and can serve consumers with maximum coverage in the region. Finally, an efficient supply chain network with a high service level will be obtained.
Menjaga ketersediaan temulawak sebagai bahan baku produksi jamu (studi kasus: Provinsi Jawa Timur) Ernaning Widiaswanti; Nachnul Ansori; Mohammad Zaimuddin Hisyam
AGROINTEK Vol 19, No 2 (2025)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v19i2.27364

Abstract

Temulawak (Curcuma xanthorrhiza Roxb.) is a plant native to Indonesia with many benefits. The need for temulawak is increasing along with the increasing public awareness to consume traditional medicine instead of chemical drugs. It has led to increased demand for temulawak by the traditional medicine industry. The demand and supply of temulawak must be maintained to avoid oversupply scarcity. This study aims to build a simulation model of temulawak supply sustainability in East Java using a system dynamic approach and the ratio of supply and demand (S/D ratio). System dynamic modeling was chosen to model the condition of the temulawak availability system in determining medium-term strategies. System dynamic are very appropriate for simulating policies and evaluating the condition of the temulawak availability system. This study considered three scenarios: expanding temulawak land by 5%, increasing temulawak productivity to 20 kg/m2, and a combination of the first and second scenarios. The results showed that the most effective policy was scenario three, by combining the policy of expanding agricultural land by 5% and increasing temulawak productivity to 20 kg/m2, with this policy model being able to maintain the S/D Ratio 1 for the next 5 years.
Co-Authors Ahmad Jauhari Ajeng Kartiningsih Anggraeni, Ravida Ayu Arik Kurniawati Choir, Qalibun Ghalidh Fitri Agustina Ibnu Irawan Lumintu, Ida Mohammad Zaimuddin Hisyam Nachnul Ansori Nachnul Ansori Nurul Azizah, Siti Pranjoto, Hartono Prasetyo Adi Pratama Nugroho Retno Indriartiningtias Rika Yunitarini Trisita Novianti Trisita Novianti