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All Journal TEKMAPRO Journal of Industrial Engineering and Management JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) OPERATION EXCELLENCE: Journal of Applied Industrial Engineering Briliant: Jurnal Riset dan Konseptual Jurnal Bisnis dan Manajemen PROZIMA (Productivity, Optimization and Manufacturing System Engineering) Journal of Research and Technology EKONOMIS : Journal of Economics and Business Tibuana : Journal of Applied Industrial Engineering Jurnal INTECH Teknik Industri Universitas Serang Raya MIND (Multimedia Artificial Intelligent Networking Database) Journal Jurnal Pengabdian Al-Ikhlas JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI International Journal of Economics Development Research (IJEDR) Nusantara Science and Technology Proceedings International Journal of Eco-Innovation in Science and Engineering (IJEISE) Indonesian Journal of Industrial Engineering & Management Juminten : Jurnal Manajemen Industri dan Teknologi Journal La Multiapp Jurnal Algoritma Journal of Scientech Research and Development Student Scientific Creativity Journal Jurnal Pengabdian Kolaborasi dan Inovasi IPTEKS IIJSE The Indonesian Journal of Computer Science Jurnal Abdimas Peradaban Manufaktur: Publikasi Sub Rumpun Ilmu Keteknikan Industri Venus: Jurnal Publikasi Rumpun Ilmu Teknik INOVTEK Polbeng - Seri Informatika
Dwi Sukma Donoriyanto
Universitas Pembangunan Nasional Veteran Jawa Timur
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities 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 Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Transportation

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Optimizing the Inventory Fulfillment Level of Store Goods from PT. XYZ Warehouse with the Application of Response Surface Methodology Anggarnis Dwikalyana Ardyani; Dwi Sukma Donoriyanto
Operations Excellence: Journal of Applied Industrial Engineering Vol. 17 No. 3 November 2025 In Press
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2025.v17.i3.154

Abstract

Inventory management in retail warehouses is increasingly challenged by demand volatility and supplier lead time uncertainty. Conventional inventory approaches such as EOQ or min–max control often fail to capture the simultaneous interaction among multiple operational factors, resulting in stock shortages or overstock conditions. PT XYZ experiences recurring fulfillment gaps in non-food products, particularly toiletries, where warehouse stock is unable to consistently meet sub-branch demand. This study proposes the application of Response Surface Methodology (RSM) to model and optimize warehouse inventory fulfillment levels. A Box–Behnken experimental design involving three factors—store demand, supplier incoming goods, and delivery lead time—at three levels generated 15 experimental runs. ANOVA results confirm the statistical significance of the model (F = 176.29) with no lack of fit, while the coefficient of determination (R² = 0.996) indicates strong explanatory power. The optimal inventory level identified through matrix analysis is 18,697.27 units under specific operational conditions. The findings demonstrate that RSM effectively captures factor interactions and provides a data-driven decision framework for inventory optimization. This study contributes methodologically by extending RSM application in retail warehouse management and offers managerial insights to improve service level performance and reduce logistics inefficiencies.
Quality Control Analysis of Fireproof Stone with New Seven Tools Method at PT. Loca Refractories Wira Jatim Umami, Amastasia Cindy; Donoriyanto, Dwi Sukma
Tibuana Vol 5 No 2 (2022): TIbuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.5.02.5411.69-75

Abstract

PT. Loka Refractories Wira Jatim is a manufacturing company that produces refractory stones. In carrying out the production process, defective products are often found. In this study, an analysis of the quality control of refractory stone will be carried out using the New Seven Tools method. The purpose of this study was to determine the quality of refractory stone, the factors that cause disability and the impact. In addition, suggestions for improvements will be given to improve the quality of the refractory stone produced. The results showed that the most common types of defects were 50% in April 2021, while the types of defects that occurred the least were > 1 type of defects as much as 2% in October 2020. The factors causing the formation of defective products include human errors, old machines, undeveloped work methods, and poor quality of raw materials. Improvement activities that can be carried out are improving operator performance, improving machine performance, making work methods, and tightening control of raw materials or QC.
Cash Information System Design Based on Website (Case Study on Café XYZ) Strada, Yoga Andys; Donoriyanto, Dwi Sukma; Rahmawati, Nur
Tibuana Vol 5 No 2 (2022): TIbuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.5.2.5594.99-106

Abstract

All human activities are very easy due to the rapid development of information technology. Website is a product of information technology. Currently, the use of websites has mushroomed everywhere as a promotional medium to other uses. Cafe XYZ is one of the sellers of various processed coffee drinks in Surabaya. Before the research was conducted, the cafe cashier's transaction process was still carried out in a conventional way only by relying on a notebook which was very inefficient. Not only that, it is also very difficult in the process of managing the data recap, the possibility of the data being lost is very high. The researcher offers a website-based information system design with the Laravel framework supported by a development method, namely SDLC (System Development Life Cycle) which is connected online on the internet so that it can be accessed by anyone and anywhere. With the design of this cashier website, it is hoped that it can help and simplify the transaction process, process product data collection, and also recap transaction data to be more effective and efficient and can save time and costs.
Implementation of LEAN Warehousing to Reduce Waste in Warehouse CV.X Donoriyanto, Dwi Sukma; Syamsi, Muhammad Nabighoh Badarus; Nugraha, Isna
Tibuana Vol 7 No 01 (2024): Tibuana
Publisher : UNIPA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/tibuana.7.01.8351.35-40

Abstract

CV. X is a company engaged in the manufacturing of various types of clothing. CV. X produces various types of clothing such as shirts, jackets, pants, and accessories. The warehouse at CV. X shows an increase when storing warehouse goods. There is waste in the form of waiting caused by goods waiting for operators to move them. There is another indication of waste in the form of a high level of transportation activities in the warehouse. The aim of this research is to help the company minimize waste in the warehouse process. This research uses the Lean Warehousing method, and improvement proposals involve implementing the 5S methodology. From the waste in the warehouse process at CV. X, the highest type of waste is waiting, with an average weighting score of 4.4, followed by excess inventories with an average weighting score of 4, and transportation with an average weighting score of 3.6. One improvement proposal suggested is to clean and rearrange the items stored in the warehouse.
Co-Authors Abdul Rouf, Imron Achmad Gufron Adelia Hernalis Agustin Afiady Fitsal Ubaidillah Agraprana, Al Aileen Al Habri, Muhammad Anjab Al-Zaher, Abdulqader Ali, Munawar Amanullah Fathurrahman Ananta Agung Purwoko Anggarnis Dwikalyana Ardyani Anthony Surya Wirawan Ardlianti , Rana Atikah Ardlianti, Rana Atikah Ardyani, Anggarnis Dwikalyana Ario Adityawarman Avril Firda Amelia Dessy Indra Puspitasari Dewi, Ratna Sari Dewi2 Dzannisa Ghotrun Nada Endang Pudji W Endang Pudji Widjajati Enny Aryanny Erlina Purnamawati Erwan Adi Saputro Fajrina Rizki Izzati Fanani, Syahrul Nur Farida Pulansari Farrel Azriel Septrianto Fawwazy , Neyzard Alby Firmansyah, Mokhamad Ghani, Mukhammad Rivaldi Gladies Putri Suprapto Handoyo Handoyo Handy Natan Permana Imam Qulub Mustaqim Indah Yansi Nofianto Indiyanto, Rus Iriani Iriani Irma Dian Isna Nugraha Isna Nugraha Juliardi A. R., Naniek Ratni Kartikasari, Bintang Andita Khakiki, Elin Ken Laksono Trisnantoro Laurentius Urip Widodo Liora Darista Zahra M. Wildan Kautsar Masdani Irfan Prakoso Karmawan Mega Cattleya Prameswari Annissaa Islami Moch Abu Naim Moch Tutuk Safirin Mohammad Nailul Falah Muhammad Miftahul Hamdi Naniek Ratni Juliardi A.R Noventya Cahyani, Salma Nugraha, Isna Nugraha, Yaskie Cahyana Septiviandra Ade Nur Rahmawati Nur Rahmawati Nur Rahmawati NUR RAHMAWATI PAMUNGKAS, CATUR ARTA Prasetya, Adi Tulus Prasetyo Ari Bowo, Prasetyo Ari Rahsya Akbar Muhammad Amin Rana Atikah Ardlianti Rangga Dwi Saputra Rendy Christian Riamto, Mohammad Shodiq Wahyu Rizky Setiawan Rizquina Aldila Putri Rofiatul Adawiyah Rus Indiyanto Safirin, M. Tutuk Safirin, Moch Tutuk Satriya Dwi Santoso Satya Winarung Ekauji Shania Andra Fitriana Sholihin, Qouman Siswanto Moenandar Siswanto Moenandar Strada, Yoga Andys Sulistyo Wibowo, Arief Sumiati Sumiati Syamsi, Muhammad Nabighoh Badarus Syamsiah, Yuliatin Ali Tegar Garin Widodo Teo Billy Chandra Yunanto Tranggono Tranggono Tranggono Tranggono Tranggono Tranggono Ubaiyi, R. Vanji Abdillah Ulfa Chusnia Wahyunita Umami, Amastasia Cindy Virga, Avril Wahyu Kurniawan Wening, Marshanda Citra Widjajati, Endang Pudji Yekti Condro Winursito Yuliatin Ali Syamsiah Yuliatin Ali Syamsiah Yuniar Nur Latifah Yustina Ngatilah Zharfan Hamzah Zulfiqa Irfidianis Ifada