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All Journal Jurnal Teknoin Journal of Engineering and Management in Industrial System Jurnal Ilmiah Teknik Industri Tekinfo | Scientific Journal of Industrial and Information Engineering Jurnal Teknik Industri Terintegrasi (JUTIN) JURNAL FLYWHEEL Indonesian Journal of Industrial Engineering & Management Jurnal Ilmiah Wahana Pendidikan Jurnal Pengabdian Masyarakat Aufa (JPMA) Abdimas Awang Long: Jurnal Pengabdian dan Pemberdayaan Masyarakat Jurnal Penelitian Rumpun Ilmu Teknik Madani: Multidisciplinary Scientific Journal Jurnal Pengabdian Masyarakat dan aplikasi Teknologi
Silvi Istiqomah
Telkom University Surabaya
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Analisis Pemilihan Supplier Pengadaan Mesin Masak Produksi Kecap Menggunakan Metode Analytical Hierarchy Process (AHP) Dan Taguchi Loss Function (Studi Kasus: PT X) Nurdiana, Ines Mulia; Prihadianto, Rahaditya Dimas; Istiqomah, Silvi
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 2 (2024): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i2.26623

Abstract

Procurement is a company activity in obtaining goods according to the specifications they need and meeting the criteria in the form of qualifications, requirements and regulatory rules related to the procurement of goods and services. PT X is a company affiliated with a state-owned enterprise operating in the sugar cane agro-industry sector that produces sweet soy sauce as their downstream product. In this object, researchers found a problem that the production of sweet soy sauce at PT X could not meet the needs of consumer demand due to the limited capacity of the sweet soy sauce cooking machine. Therefore, PT X procures a sweet soy sauce cooking machine with a limited tender auction system. The selection of supplier I (PT KM) and supplier II PT (TSE) which is a soy sauce production cooking machine supplier was selected using the Analytical Hierarchy Process (AHP) and Taguchi Loss Function methods. The results obtained from this study obtained that supplier II (PT TSE) is the best supplier with synthesis results weight of 0.747 or has a percentage of 74.7 as well as the results of Taguchi Loss Function calculations where supplier II fulfills all types of quality loss functions on each price subcriteria, namely on the price of the smaller better machine with a weight of 0.1228, the cost of insurance for the larger better machine with a weight of -0.0920, and the shipping cost of the smaller better with a weight value of 0.0294.
Improving The User Interface of a Dealer Management System (DMS) via Design Thinking: A Case Study at Wuling Motors Indonesia Putra, Perdana Suteja; Brilianti, Grahita Prisca; Istiqomah, Silvi; Aqidawati, Era Febriana; Afraah, Sayyidah Maulidatul
Teknoin Vol. 30 No. 2 (2025)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol30.iss2.art3

Abstract

PT SGMW Motor Indonesia (Wuling Motors) has used a Dealer Management System (DMS) for over five years; however, users report a cumbersome interface, non‑functional menus, and suboptimal task efficiency. This study applies a Design Thinking approach (empathize, define, ideate, prototype, test) to redesign the DMS user interface and improve user experience. We conducted interviews in the empathize stage (n=20) to build personas and journey maps, and performed formative usability testing with three user roles—dealer administrators, sales staff, and IT support—(n=9; 3 per role). Usability was evaluated using the System Usability Scale (SUS) and cognitive walkthroughs. Results show a quantitative improvement in usability (SUS: existing = XX.X, prototype = YY.Y; Δ = YY.Y − XX.X), alongside reduced steps for key tasks and clearer navigation. The study contributes a sector‑specific DMS redesign for the Indonesian automotive context and a transparent DT‑based process that other enterprise systems can replicate.
Co-Authors Abduh Sayid Albana Afraah, Sayyidah Maulidatul Amelia Zunaidi, Rizka Antika Adzary Sekar Fadlilah Anuarita, Betsyeda Frea Aqidawati, Era Febriana Az-Zahra Nayak, Rifka Dahayu Benazir Imam Arif Muttaqin Betsyeda Frea Anuarita Brilianti, Grahita Prisca Dewi, Asri Kartika Divazanna Illaritzqi Dominggo Bayu Baskara Fadlilah, Antika Adzary Sekar Huki Chandra I Wayan Suletra I Wayan Suletra Ilma Mufidah Ines Mulia Nurdiana Krisnayanti Aditasari Kurniasari, Yosiana Eka Putri Luthfiansyah, Said Aziz Nabila Putri Sayekti Nafie, Harun Stephen Nidya Yutie Pramesti Nurdiana, Ines Mulia Nurhalissa, Rahmalia Perdana Suteja Putra Pramesti, Nidya Yutie Purnama, Adhitya Rinda Wahyu Putra, Reinardus Andoni Nasera Rafsanjana, Sasotya Rigan Rahaditya Dimas Prihadianto Rahmalia Nurhalissa Reinardus Andoni Nasera Putra Rossy, Daseiya Auriello Rosyid, Ahmad Nur Said Aziz Luthfiansyah Terresa Indrajani Kusuma Wahyudi Sutopo Wahyudi Sutopo Wanda Vidya Nandita Yuniaristanto Yuniaristanto Zunaidi, Rizqa Amelia