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All Journal Journal Transformation of Mandalika Jurnal Teknik Industri Jurnal Pengabdian Kolaborasi dan Inovasi IPTEKS Central Publisher Jurnal Rekayasa Sistem Informasi dan Teknologi Jurnal Ilmiah Research Student Jurnal Sains Student Research Journal of Management and Innovation Entrepreneurship (JMIE) Jurnal Ilmiah Nusantara International Journal of Mechanical, Electrical and Civil Engineering Scripta Technica: Journal of Engineering and Applied Technology Inventa: Journal of Science, Technology, and Innovation Journal of Industrial Engineering Inspiration
Yudi Prastyo
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Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Medicine & Pharmacology Physics Social Sciences Other

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Journal : Inventa: Journal of Science, Technology, and Innovation

 1 
Menerapkan Metode PDCA dalam Menganalisis Strategi Optimasi dan Cost Down dalam Peningkatan Efisiensi Operasional di Perusahaan Otomotif Intan Mutiara I.; Alya Intan S.; Zharfan R.; Silwa A.; Yudi Prastyo
Journal of Science, Technology, and Innovation Vol 1 No 2 (2025): December: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/e5e4n124

Abstract

This study examines the application of the Plan-Do-Check-Act (PDCA) method in analyzing optimization strategies and cost down initiatives to improve operational efficiency in an automotive company. A qualitative descriptive approach was employed using internal company documents, cost reports, and process improvement records related to packing activities. The findings reveal that the implementation of PDCA enabled the company to identify non-value-added activities, optimize packing materials, and redesign packaging processes without compromising product quality. As a result, annual packing costs were reduced from Rp 65,642,400 to Rp 21,694,500, generating total savings of Rp 43,947,900. The results demonstrate that systematic process evaluation and continuous improvement contribute significantly to cost efficiency and operational stability. Furthermore, the integration of PDCA with cost down strategies strengthens coordination between operational and financial functions, supporting more effective managerial decision-making. This study confirms that PDCA is a practical and replicable framework for enhancing operational efficiency and cost control in the automotive manufacturing industry.
Kontribusi Human dan Sistem Gudang terhadap Ketidak Sesuaian Stok Inventory Ferdian kosagiama; Muhamad Fian; Damar Eulan; Muhamad Ilham; Yudi Prastyo
Journal of Science, Technology, and Innovation Vol 1 No 2 (2025): December: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/56x2tv43

Abstract

Inventory record inaccuracy remains a critical challenge in warehouse operations due to the complex interaction between human factors and warehouse systems. This study aims to analyze the contribution of human and warehouse system factors to inventory stock discrepancies at PT. LOGISTIC’s warehouse using a descriptive–analytical case study approach. The research adopts the DMAIC framework combined with root cause analysis to identify operational weaknesses affecting inventory accuracy. The results indicate that human-related issues, including data input errors, non-compliance with standard operating procedures, and limited verification practices, constitute the dominant sources of inventory discrepancies. In parallel, warehouse system limitations such as delayed WMS synchronization, scanner reliability issues, and insufficient system validation mechanisms significantly contribute to data inaccuracies. The improvement in inventory accuracy from 97.45 percent in the first count to 98.55 percent in the second count demonstrates that manual verification remains essential, highlighting the reactive nature of existing control mechanisms. These findings suggest that effective inventory control requires an integrated approach that aligns human competence, standardized operational processes, and system optimization to achieve sustainable inventory accuracy.
Co-Authors Adam Maulana Irfan Ade Setiawan Adhi Danar Dono Adi Supriadi AGUS SETIAWAN Agus Yoga Nafasa Ahmad Fathurrahman Aji Wijayanto Aldi Allaudin alfian, Edi Alvi Octavianto Alya Intan S. Anas Nurrahman Andhika Danisvara Andi Nugroho Andriyas Sugiarto Anggit Nur Fauzy Anugrah Ramadhani Hidayah Warman Arul, Arul Aulia Deswita Bintang Dermawan Bintang Rafly Aryansyah Chairul Alfatory Damar Eulan Dava Septiawan Devito Syachputra Dhimas Ramdhanni Dimas Alam Firmansyah Dimas Ariyanda Dimas Hardiansyah Dionisius Tegar Cahyadi Faiz El Farisi Fajar Jumadil Fadillah Farid Azis Saputra Ferdian kosagiama Feriyansah Feriyansah Ferry Budi Firmansyah Hafid Yuhafidin Hanif Zulfi Fauzan Hardy Setiawan Hilmi Rabbani Ferdi Hilmy Fauzi Hilmy Fauzy Intan Mutiara I. Irvan Firdaus Jimmy Alfaruqi Ramadan Juliansyah, Eko Lalang Dintara Lastri Sulastri Lintang Putri Yuansyah Mahendra Mahendra MD. Rafifallah Mochamad Refly Robiansyah Mualim soleh Muh Amirudin Muhamad Annur Muhamad Fian Muhamad ilham Muhammad Adha Zidane Syahputra Andry Muhammad Bintang Aditya Azzami Muhammad Daffa Ichsan Muhammad Naufal Herdian Muhammad Zidan Inprasepta Muslihun Muslihun Nandana Malik Prayata Naufal Fadli Efendi Nauval Fakhri Ardiansyah Rafli Alfariz Hadiansyah Ramadan, Gilang Reyhandi Reza Aurora S Riska Anggun Sucianingrum Rizky Ramadhani Rizky Ramdani Miftahul Fadilah Shofiyaturrahmah Shofiyaturrahmah Sifha Awaludin Sikus Wanda Silwa A. Syafrian Eko Nugroho Syahrul Mubarok Taufiq Siamuddin Tio Ramadan Triana Ambarwati WIJAYANTO WIJAYANTO Yuni Anggita Putri Zharfan R. Ziqhi Nurrahman