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All Journal Jurnal Teknik Industri Jurnal Teknosains Journal of Economic, Bussines and Accounting (COSTING)
Fath, Hamzah
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Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Industrial & Manufacturing Engineering Mechanical Engineering

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Capacitated Location Allocation Problem of Solar Power Generation in Indonesia using Particle Swarm Optimization Astungkatara, Arya Wijna; Fath, Hamzah; Putri, Oktaviana; Yana, Anak Agung Istri Anindita Nanda; Normasari, Nur Mayke Eka; Oktavia, Andiny Trie; Rifai, Achmad Pratama
Jurnal Teknik Industri Vol. 25 No. 1 (2024): February
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/JTIUMM.Vol25.No1.55-72

Abstract

Indonesia has abundant potential for solar energy. The decrease in the cost of solar power generation components can bolster the development of solar power plants. Due to its geographical characteristics, it is essential to analyze the feasibility of using solar power plants as a primary renewable energy source in Indonesia, especially in Sumatra Island. One of the critical aspects of developing solar power plants is determining the suitable location of the power plant and allocating the electricity generated to the regions. Therefore, this study considers the Capacitated Location Allocation Problem (CLAP) to determine the optimal placement of solar power plants on Sumatra Island to minimize investment and transmission costs. To address the problem, we explore three metaheuristics, namely Particle Swarm Optimization (PSO), Simulated Annealing (SA), and Large Neighborhood Search (LNS). The results obtained by these metaheuristic methods show significant differences in cost, with SA providing the best solution with the lowest cost. The investment and transmission cost can be minimized by solving the CLAP to obtain optimal solar power plant placement while enhancing the region's resilience in implementing distributed generation.
Facility layout improvement for continuous production system: a case study in chocolate-based product Saifurrahman, Anas; Fath, Hamzah; Baasith, Darywan Damar; Aini, Yumna Nur; Wibisono, Arif; Asmara, Sang Norma Lintang
Jurnal Teknosains Vol 14, No 1 (2024): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.94930

Abstract

This study explores optimizing Yogyakarta's chocolate production system facility layout to enhance laboratory-scale production to mass production at the UGM Field Research Center laboratory. The laboratory layout was optimized based on expert assessments and the ALDEP algorithm and compared with the current layout using distance-based objective values. Both layouts were compared to highlight the importance of qualitative aspects in determining workstation positions, in addition to quantitative aspects. The distance-based analysis results indicate that the ALDEP layout outperforms the current layout, and the layout was designed with expert assessments, showing the highest efficiency and lowest material handling costs, with an estimated improvement of 23% over the current layout. Although the proposed expert-assessed layout performed worse, it met stakeholder requirements such as safety and ease of observation. Therefore, future research must consider other aspects beyond costs in evaluation metrics to determine the best layout. Although the proposed expert-assessed layout performed worse, it met stakeholder requirements such as safety and ease of observation. Therefore, future research must consider other aspects beyond costs in evaluation metrics to determine the best layout.
PERAN FINANCIAL TECHNOLOGY (FINTECH) SYARIAH DALAM PEREKONOMIAN UMKM (STUDI KASUS PADA UMKM JAWA BARAT) Fath, Hamzah; Kholijah, Siti
Journal of Economic, Bussines and Accounting (COSTING) Vol 7 No 6 (2024): COSTING : Journal of Economic, Bussines and Accounting
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/costing.v7i6.13738

Abstract

Penelitian ini bertujuan untuk memahami konsep fintech syariah di Jawa Barat serta mengkaji perannya dalam mendukung pertumbuhan dan perkembangan UMKM di daerah tersebut. Penelitian ini menggunakan metode kualitatif deskriptif dengan teknik pengumpulan data berupa wawancara, observasi, dan studi pustaka. Hasil penelitian mengungkap bahwa konsep fintech syariah di Jawa Barat berlandaskan prinsip-prinsip syariah, seperti akad mudharabah, musyarakah, dan ijarah, yang memastikan transaksi terbebas dari riba, gharar, dan maysir. Fintech syariah juga mengadopsi teknologi digital, seperti peer-to-peer (P2P) lending, crowdfunding, serta sistem pembayaran berbasis syariah, untuk menghadirkan solusi keuangan yang inklusif, etis, dan efisien. Peran strategis fintech syariah tercermin dalam kemampuannya membantu UMKM memperoleh akses pembiayaan dengan lebih mudah tanpa prosedur yang rumit, khususnya bagi UMKM di wilayah terpencil. Selain itu, kemudahan pendanaan yang ditawarkan fintech syariah mendukung UMKM dalam meningkatkan produktivitas, memperluas jangkauan pasar, serta mendorong inovasi. Lebih lanjut, fintech syariah juga berperan dalam memperkuat jaringan ekonomi syariah dengan menciptakan ekosistem yang terhubung antara UMKM, investor, dan konsumen. Dengan demikian, fintech syariah memberikan kontribusi yang signifikan dalam mendorong pertumbuhan ekonomi berkelanjutan yang selaras dengan nilai-nilai Islam di Jawa Barat.
Co-Authors Achmad Pratama Rifai Aini, Yumna Nur Arif Wibisono Asmara, Sang Norma Lintang Astungkatara, Arya Wijna Baasith, Darywan Damar Nur Mayke Eka Normasari Oktavia, Andiny Trie Putri, Oktaviana Saifurrahman, Anas Siti Kholijah, Siti Yana, Anak Agung Istri Anindita Nanda