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All Journal Jurnal Teknik Industri USU Jurnal Sistem dan Manajemen Industri PRODUCTUM : Jurnal Desain Produk (Pengetahuan dan Perancangan Produk) JOURNAL OF SCIENCE AND SOCIAL RESEARCH Jurnal Ilmiah Teknik Industri Jurnal Sistem Teknik Industri JURNAL PENGABDIAN AGRO AND MARINE INDUSTRY Jurnal Pengabdian Masyarakat Ilmu Kesehatan
Aulia Ishak
Departemen Teknik Industri, Fakultas Teknik, Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Health Professions Industrial & Manufacturing Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Transportation

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Inventory Optimization Model Design with Machine Learning Approach in Feed Mill Company Nasution, Alfian Aziz; Matondang, Nazaruddin; Ishak, Aulia
Jurnal Sistem Teknik Industri Vol. 24 No. 2 (2022): JSTI Volume 24 Number 2 July 2022
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v24i2.8637

Abstract

This article aims to address the impacts that companies can have with the application of machine learning to carry out their demand forecasts, knowing that a more accurate demand forecast improves the performance of companies, making them more competitive. The methodology used was a literature review through descriptive, qualitative and with bibliographical surveys in International Journal from 2010 – 2022 by different authors. Findings show that the references prove that demand forecasting with the use of machine learning brings many benefits to organizations, for example, since the results are more accurate, there is better inventory management, consequently customer satisfaction for having the product at the right time and place. Further, this article concludes and suggests that the use of machine learning is able to identify variables that affect the demands, with this it makes a forecast closer to reality and helps managers to make more accurate decisions, improving strategic planning and supply chain management. of company supplies.
Analysis of Production Line Balance with Helgeson Birnie Approach on Plastic Chopping Machine Khatami, Muhammad; Ginting, Rosnani; Ishak, Aulia
Jurnal Sistem Teknik Industri Vol. 25 No. 1 (2023): JSTI Volume 25 Number 1 January 2023
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v25i1.9288

Abstract

The purpose of track balance is to find out the constraints that cause the work station to be unbalanced. Research on plastic chopping tool products, where the production of plastic chopping tools takes too long in the process of making one product. line balancing is the process of balancing the production line, especially in the assembly production process. The balance of this path is intended to reduce excessive workload on one work station and strive so that each work station on each path has the same load. It is intended that each work station has a more efficient work cycle time and can avoid operator errors in assembly. to minimize the number of stations for a given cycle time. The problem of unbalanced production lines and differences in large station times causes an imbalance in the production floor. Balancing the lines on the production floor will affect the achievement of predetermined production targets. The Helgeson-Birnie method is one of the track balance methods that can solve problems in track balance. In the Ranked Position Weight results there are 6 work stations, the efficiency value is 90.02%, the balance delay is 9.97% and the Smoothing Index is 628,204
Smart Manufacturing Technology Adoption for Improving Productivity: A Systematic Literature Review Satria; Matondang, Nazaruddin; Ishak, Aulia
Jurnal Sistem Teknik Industri Vol. 25 No. 2 (2023): JSTI Volume 25 Number 2 July 2023
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v25i2.9485

Abstract

This paper is to present a review of the Smart manufacturing application as Industry 4.0, specifically on the conceptual approaches to define it. Two conceptual approaches to the application of the concept of smart manufacturing are distinguished. The method using the previous articles of scientific journals from 2017-2022 (thirty-two international paper) were selected based on previous works, with the scope to investigate and analyze in-depth the extent to which literature used to discuss results in the selected studies of applying the Smart Manufacturing Technology in manufacture enterprises. The results of the previous studies are discussed and investigated in a table format.
Inventory Management Under Uncertainty Condition with Fuzzy Logic: A Literature Review Amelia, Tia; Ginting, Rosnani; Ishak, Aulia
Jurnal Sistem Teknik Industri Vol. 25 No. 2 (2023): JSTI Volume 25 Number 2 July 2023
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v25i2.9571

Abstract

Fuzzy set theory, or fuzzy logic, has been in use in inventory systems since the 1980s, with vaguely defined, ill-defined, or imprecise values, or decisions based on individual subjective beliefs. Provides a framework for describing the parameters that can be passed. There are many uncertainties in inventory management that can arise due to many things, such as: Order Changes, Random Supplier Capabilities, or Unexpected Events. Fuzzy logic as a method of inventory control that provides a framework by considering parameters that are vague or poorly defined, or whose values are imprecise and determined based on individual subjective beliefs make it available. The purpose of this white paper is to review previous studies using fuzzy logic in inventory management to see the uncertainty variables used. The method used is a thematic analysis of articles on the application of fuzzy logic in various industries. The results of the review show that variables like fuzzy logic make it easy to obtain results from uncertainty variables that can be applied to industrial activities to enable manufacturing activities to be carried out effectively and efficiently increase.
A Literature Review of Distribution Solving Problems by Various Transportation Methods Nursafwah; Matondang, Nazaruddin; Ishak, Aulia
Jurnal Sistem Teknik Industri Vol. 25 No. 2 (2023): JSTI Volume 25 Number 2 July 2023
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v25i2.9741

Abstract

The aim of this study to review the limited survey of a systematic various existing transportation problems and the application developed by different researchers and applied in some case studies. The methodology applied in this paper through various research papers that available at Google Scholar, Science direct, Elsevier, IOP and another publisher from 2014-2022 (twenty-four international researches). The main purpose of this review paper is to discuss, analyze and the existing forms of various types of transportation problems and their systematic development, Findings show that in addition to the MODI and VAM methods, other methods have also emerged to solve the transportation problem. One of them is Improve VAM (IVAM) that built by Nahar et.al (2018). IVDM on transportation or delivery strategy. Further, this paper concludes that mathematical models and algorithm method of transportation derivatives/techniques of MODI and VAM are most used to optimize single or multipurpose parameters such as distribution cost, profit earned, total transportation time etc.
A Review of Literature on Lean Manufacturing Tools and Implementation Based on Case Studies Prawira, Yoga; Ishak, Aulia; Anizar, Anizar
Jurnal Sistem Teknik Industri Vol. 26 No. 1 (2024): JSTI Volume 26 Number 1 January 2024
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v26i1.11489

Abstract

This research focuses on reviewing the Lean Manufacturing (LM) implementation which is widely applied in the manufacture company to overcome or reduce waste. The aim of this article is to find out more about the influence on the industry sector. This research was developed by collecting research from indexed databanks of Scopus, Science direct, ResearchGate, etc. This review study is significant to identify the application of lean manufacturing in dealing with waste through implementation into several case studies. A total of 24 articles were selected, taking into account criteria such as keywords, article titles and publications of international publishers, which were selected through a systematic process. This study found that the application of lean manufacturing is a method that brings many advantages that work by minimizing losses and waste, and the Value Stream Mapping method is more often used as part of several Lean Manufacturing techniques to identify and analyze the occurrence of waste while providing solutions that lead to improvement. process and cost reduction.
Implementation of Lean Manufacturing Methodology and Its Application: A Literature Review Manurung, Martin; Anizar, Anizar; Ishak, Aulia
Jurnal Sistem Teknik Industri Vol. 26 No. 1 (2024): JSTI Volume 26 Number 1 January 2024
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v26i1.12158

Abstract

This study aims to investigate and analyze several previous works of relevant literature on the Lean Manufacturing technique in international journals. The methodology used to review the previous studies was carried out through a survey based on descriptive, qualitative, and bibliographical surveys in International Journal with restriction to the period of publication from 2017 – 2022 published on databases and electronic journals in English with the scope to examine and analyze in-depth the extent to which literature used to discuss results in the selected papers of applying the Lean Manufacturing technique in several case studies. After conducting a survey, only thirty-three articles were found with the theme of the application of Lean Manufacturing and its technique in manufacturing companies. Twenty-one techniques/tools of Lean Manufacturing were found problem-solving for waste time elimination, reducing process cycle times, and implementing process improvement. It is concluded that the most used methodology in waste reduction is Value Stream Mapping.
Literature Review of Concurrent Engineering in Kansei Engineering and Ergonomic Setiawan, Alvin; Ginting, Rosnani; Ishak, Aulia
Jurnal Sistem Teknik Industri Vol. 26 No. 2 (2024): JSTI Volume 26 Number 2 July 2024
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v26i2.14696

Abstract

This research aims to conduct a literature review on the application of the integration of Kansei engineering, ergonomics, and concurrent engineering methods in the context of product design. A systematic study of 8 scholarly journals related to the topic in the last decade indicates that combining these three methods has a positive impact on product performance and the efficiency of the development process. In conclusion, a multidisciplinary approach is highly recommended to produce innovative and highly competitive products through a faster and cost-effective process.
Integration of Value Engineering for Design for Assembly in Product Design: A Comprehensive of Literature Review Hartanto, Adrian; Ginting, Rosnani; Ishak, Aulia
Jurnal Sistem Teknik Industri Vol. 26 No. 2 (2024): JSTI Volume 26 Number 2 July 2024
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v26i2.15268

Abstract

This study explains the benefits obtained from the integration of Design for Assembly (DFA) and Value Engineering (VE) methods in the product design process. DFA is proven to provide benefits such as product simplification, reduced assembly costs, and improved quality by creating product structures that are simpler and easier to install. While VE adds value by taking into account the replacement of expensive or difficult-to-assemble components, speeding up overall assembly time. Although specific research on the integration of these two methods may be limited, studies show that the combination of DFA and VE produces design alternatives that consider various aspects of the product life cycle. The result is reduced costs, faster development times, and a reduced need for rework. The concepts and benefits of integrative DFA and VE approach can be an effective strategy for enhancing assembly efficiency and reducing production costs in product design.
Life Cycle Analysis Study of Plastic Flower Pot Products Ishak, Aulia; Siregar, Khawarita; Sarjana, SS
Jurnal Sistem Teknik Industri Vol. 26 No. 2 (2024): JSTI Volume 26 Number 2 July 2024
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v26i2.15349

Abstract

Some flower pots are made of plastic materials. Plastic waste is a global environmental issue with varying quantities and types in different countries. One source of plastic pollution is low-durability plastic pots, commonly used for seeding in agriculture, horticulture, and forestry. Waste from these plastic pots is difficult to decompose by soil microbes, thus posing an environmental contamination risk. Life Cycle Analysis (LCA), also known as life cycle assessment, is a method to measure the environmental impacts of products, such as biofuels. In LCA, researchers prepare an inventory of the resources used (e.g., fossil fuels and raw materials) and substances produced (e.g., greenhouse gases, solid waste, and other pollutants) throughout the full life cycle of production, transportation, and use of the product in question. From this inventory, researchers conduct impact assessments that estimate the final effects on human health, ecosystem function, and depletion of natural resources. This study aims to assess the life cycle analysis of plastic flower pot products from  their initial material stage to their disposal as waste, in order to gain insights into the potential  for minimizing their environmental impact. The results of research where the production of 600 ml plastic flower pot bottles required 28 grams of plastic resin per bottle, as well as energy for the production and transportation processes. Plastic packaging production produces defective products.
Co-Authors A. Rahim Matondang Adrian Hartanto, Adrian Aguslina S, Fazidah Alvin Setiawan Amelia, Tia Anizar Anizar Asfriyanti, Asfriyanti Asfriyati ,MKes Bangun, Putri Syahmina Atirah Chenio, Alkent Christoffel P, junardi Dewi Sari Kencana Dudin, Sa Febi Ardani Halinda Sari Lubis Harmein Nasution Heryanto Handoko Hubert, Van Humala L Napitupulu Hutagalung, Amelia Hafsah Khatami, Muhammad Khawarita Siregar M. Sari, Rahmi Malik, Alfin Fauzi Mangara M Mangara M Tambunan Manik, Donald Manurung, Martin Marta Elissa Sirait Matius J Situmorang Maya Fitria Mutia Hasanah Nababan, Poltak Nadia Kurnia Putri Napitupulu, Humala Lodewijk Nasution, Alfian Aziz Nasution, Fadylla Ramadhani Putri Nazaruddin M Nazaruddin Matondang Nova Tarihoran novalin, Susi Diriyanti Nursafwah Poltak Nababan Prawira, Yoga Putri Oktalisa Rahmi M Sari Rosnani Ginting Rumapea, Elsa S E Said Munal Akid Sarjana, SS SATRIA Situmorang, Syafrizal Helmi Sri Rahayu Sanusi Sugih Arto Pujangkoro Sukaria Sinulingga Sukaria Sinulingga Syah, Chairul Syahri, Isyatun Mardhiyah Tania Alda Tarigan, Indah Rizkya Ukurta Tarigan Wilianto Wilianto William Arfayo Yos Indra Mardatillah Yuman, Syafiq Alhadi