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Yosef Daryanto
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Departemen Teknik Industri, Fakultas Teknologi Industri Universitas Atma Jaya Yogyakarta Jl. Babarsari No. 43, Sleman, Daerah Istimewa Yogyakarta, 55281
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Jurnal Teknik Industri dan Manajemen Rekayasa
Published by Universitas Atma Jaya Yogyakarta
ISSN : -     EISSN : 30255139     DOI : https://doi.org/10.24002/jtimr
Core Subject : Science, Engineering,
Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering
Jurnal Teknik Industri dan Manajemen Rekayasa (JTIMR) bertujuan untuk memberikan sarana bagi para peneliti untuk mempublikasikan hasil penelitian dan praktik terbaru di bidang Teknik Industri dan Manajemen Rekayasa. Jurnal ini diterbitkan oleh Universitas Atma Jaya Yogyakarta. Kami menerima naskah hasil penelitian berupa pengembangan teori atau aplikasi praktis yang berkaitan dengan keilmuan Teknik Industri dan Manajemen Rekayasa. Aplikasi praktis dapat berasal dari berbagai jenis industri, termasuk manufaktur, kesehatan, pendidikan, dan organisasi lainnya. Selain itu, naskah tentang tinjauan pustaka pada bidang penelitian atau teori tertentu juga dapat dipublikasikan pada jurnal ini. Ruang lingkup jurnal ini dapat diklasifikasikan sesuai bidang kajian Teknik Industri dan Manajemen Rekayasa namun tidak terbatas pada: - Perancangan dan Pengukuran Kerja - Penelitian Operasional - Analisis Ekonomi Teknik - Rekayasa Fasilitas dan Manajemen Energi - Rekayasa Kualitas dan Keandalan - Ergonomika - Rekayasa Operasi dan Manajemen Operasi - Manajemen Rantai Pasok - Keselamatan dan Kesehatan Kerja - Sistem Informasi - Rekayasa Perancangan dan Manufaktur - Perancangan dan Pengembangan Produk - Perancangan dan Rekayasa Sistem - Manajemen Rekayasa
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 48 Documents
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Penerapan Reliability Centered Maintenance dalam meningkatkan kinerja mesin sewing Handra, Valencia Febrianti; Hadisantono; Hanandoko, Theodorus B.
Jurnal Teknik Industri dan Manajemen Rekayasa Vol 3 No 2 (2025)
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jtimr.v3i2.13156

Abstract

[Design of a Maintenance System to Reduce the Frequency of Sewing Machine Component Failures] PT Jogja Glove Indonesia is a manufacturing company engaged in glove production. During its production process, the company faces frequent sewing machine breakdowns, which lead to increased downtime and hinder the achievement of the daily production target of 1,000 pieces. This condition reduces production line efficiency and may disrupt the company’s ability to meet customer demand. This study aims to identify the root causes of frequent sewing machine failures and to formulate systematic improvement solutions. The research method adopts the Design Thinking approach, which consists of five stages: Empathize, Define, Ideate, Prototype, and Test. Data were collected through field observations, interviews with operators and technicians, and analysis of machine downtime records. The Reliability Centered Maintenance (RCM) approach was implemented through FMEA analysis, MTTR and MTTF calculations, and the development of preventive maintenance Standard Operating Procedures (SOP). The results show a 54.1% reduction in machine failure frequency, from an average of 368 to 169 incidents per month. Additionally, pass products increased by 37.73%, while rejects decreased by 36.46%. In conclusion, the implementation of RCM-based preventive maintenance proved effective in improving sewing machine reliability, operational efficiency, and production quality.
Konvergensi simulasi dan kecerdasan: Tinjauan terhadap integrasi metode Monte Carlo dan machine learning dalam manajemen risiko Dewi, Ratna Mustika; Wisnu Lusantono, Oktarian; Wahyu Murtyanto, Indra
Jurnal Teknik Industri dan Manajemen Rekayasa Vol 3 No 2 (2025)
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jtimr.v3i2.13337

Abstract

Integrasi metode Monte Carlo (MC) dan machine learning (ML) merepresentasikan terobosan dalam manajemen risiko modern untuk mengatasi kompleksitas dan ketidakpastian dinamik. Tinjauan sistematis ini mengkaji konvergensi kedua pendekatan tersebut, mengidentifikasi tiga pola integrasi utama: (1) penggunaan ML sebagai surrogate model untuk mempercepat simulasi MC, (2) pemanfaatan MC untuk mengkuantifikasi ketidakpastian dalam model ML, dan (3) penerapan generative ML models untuk pembangkitan skenario stres. Hasil analisis menunjukkan bahwa sinergi ini mampu meningkatkan akurasi prediktif, efisiensi komputasi, dan kapasitas penilaian risiko ekor. Meskipun demikian, tantangan implementasi seperti kompleksitas model dan kebutuhan interpretabilitas masih perlu diatasi. Penelitian ini menyimpulkan bahwa integrasi MC�ML menawarkan paradigma baru yang powerful dan merekomendasikan pengembangan teknik interpretabilitas serta standar validasi sebagai agenda penelitian mendatang.
Waste reduction of 3PL warehouse operation to overcome excessive overtime Asmoro, Evelyn Nathaniela; Daryanto, Yosef
Jurnal Teknik Industri dan Manajemen Rekayasa Vol 3 No 2 (2025)
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jtimr.v3i2.13358

Abstract

Excessive overtime was a persistent issue in the warehouse operations of a 3PL company, where employees frequently exceeded the Indonesian government’s legal limit of 18 overtime hours per week due to daily working hours surpassing the 11-hour threshold. To analyse and address this problem, several structured methods were applied. Process Activity Mapping was used to classify activities into value-added, non-value-added, and necessary non-value-added categories, followed by Value Stream Mapping to visualize process flow and measure total cycle time. The 5 Whys analysis was then employed to identify root causes of delays and inefficiencies, leading to the application of the ECRS principle (Eliminate, Combine, Rearrange, Simplify) to redesign workflows and propose targeted improvements. As a result, the redesigned processes, supported by the modification of stock card formats, implementation of a kanban board, and development of Standard Operating Procedures, successfully reduced average working hours to 10.72 hours per day and decreased total process cycle time by 16.7 percent (65.9 minutes), demonstrating a notable improvement in warehouse efficiency and regulatory compliance.
Analisis proses pembuatan kalender berbahan dasar kertas daur ulang dengan campuran bunga telang menggunakan pendekatan 5W1H Jaka Santosa; Sahiba Sahila; Rachmah Nanda Kartika; Rafi Aditama; Muhammad Ivan Maulana; Mafaid Rizky Pratama; Musthofa
Jurnal Teknik Industri dan Manajemen Rekayasa Vol 4 No 1 (2026)
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jtimr.v4i1.13714

Abstract

Commercial calendar production typically uses virgin paper, contributing to increased wood fiber consumption and waste. This condition encourages the development of environmentally friendly alternatives using recycled materials. This study aims to produce a desk calendar made from recycled paper mixed with butterfly pea flowers as a natural dye and aesthetic element, and to evaluate the effectiveness of its production process.The study involved several stages, including recycled paper processing (soaking, pulping, mixing with butterfly pea petals, sheet forming, drying, and cutting) and calendar assembly (cutting carton board, applying linen cover, printing A5 calendar design, punching spiral holes, installing spiral wire, and attaching a 7×7 cm glass component). The production process was evaluated using the 5W1H framework to identify key factors, constraints, and methodological effectiveness.The resulting calendar displays natural visual characteristics,coloration from butterfly pea pigment, and an additional functional element through the integration of a small glass piece. Analysis shows that paper-making is the most time-consuming stage, while the assembly process is relatively efficient.The recycled paper calendar incorporating butterfly pea flowers was successfully developed as an eco-friendly product with strong aesthetic value and added functionality. Further improvements are recommended for achieving consistent paper thickness and optimizing drying time.
Pengembangan produk ecovault berbahan limbah kertas menggunakan pendekatan Design Thinking Salma Aulia Husin; Sahiba Sahila; Rachmah Nanda Kartika; Fadillah Tri Widiawati; Florenthia Meylianthi; Kholifaturrahma; Erlangga Saputra
Jurnal Teknik Industri dan Manajemen Rekayasa Vol 4 No 1 (2026)
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jtimr.v4i1.13723

Abstract

The increasing volume of cellulose-based waste has intensified the need to utilize paper waste into products with higher functional value. This material has considerable potential to be developed into functional products when processed through a systematic design approach. This study aims to develop Ecovault, an environmentally friendly storage product made from cardboard and paper pulp, using the Design Thinking approach. During the empathize stage, a survey was conducted to identify user needs, which indicated strong support for the use of recycled materials. The define stage identified two main issues: the low utilization of paper waste and the demand for small-sized storage products with an attractive appearance. The initial concept was realized in the form of a flower-pot-shaped storage through 3D rendering and subsequently tested through prototype development. The first prototype experienced structural issues, leading to a design revision by changing the pot shape from cylindrical to box-shaped. This modification improved the stability, strength, and structural neatness of the final prototype. The results demonstrate that paper waste can be transformed into functional and aesthetic storage products through an appropriate design approach.
Implementasi sistem informasi persediaan barang untuk mengurangi kesalahan pencatatan Carolyn Christian; Hadisantono; Theodorus B. Hanandoko; Parama Kartika Dewa
Jurnal Teknik Industri dan Manajemen Rekayasa Vol 4 No 1 (2026)
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jtimr.v4i1.14503

Abstract

[Implementation of an inventory information system to reduce recording errors] The material warehouse plays a crucial role in supporting the company's production process, storing raw materials and finished products. Raw material inventory is key to the production process, and the quality and quantity of incoming and outgoing goods must be controlled. PT JGI (Jogja Glove Indonesia) implements manual inventory recording using Microsoft Excel, but its implementation is less than optimal. The company's problem is errors in recording incoming and outgoing goods in the material warehouse, resulting in discrepancies between actual data and the book data. The average number of recording errors is 12 times of month. This problem was resolved because it resulted in inconsistencies in raw material inventory, thus hampering the production process. The solution provided to overcome this problem is to create an information system with VBA Excel for recording goods and SOP (Standard Operating Procedures) for goods entering the warehouse. The method used to create the information system and SOP is the SDLC (System Development Life Cycle) method for information systems and the PDCA (Plan, Do, Check, Action) method for creating SOP. The results of the information system design and SOP that have been implemented have been proven to be successful in overcoming the root cause of errors in recording goods, so that the frequency of recording errors can be reduced from 12 times of month to 3 times of month.
Pengendalian persediaan bahan baku daging babi pada CV Pork King menggunakan metode EOQ Kevin Moon; Hadisantono; Theodorus B. Hanandoko; Parama Kartika Dewa
Jurnal Teknik Industri dan Manajemen Rekayasa Vol 4 No 1 (2026)
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jtimr.v4i1.14767

Abstract

[Controlling the pork meat supply at CV Pork King using the EOQ method] CV Pork King is a food industry that offers various types of processed pork meat, ranging from fried pork, roasted pork, wonton noodles, dim sum, spareribs, and satay. The main problem faced by CV Pork King is the occurrence of stock outs for pork meat supplies which have an impact on lost sales. The aim of this research is to reduce stock outs of pork meat so that lost sales do not occur and can reduce total inventory costs by up to 5%. The most suitable method for inventory problems at CV Pork King is the Economic Order Quantity (EOQ) method because it produces optimal inventory costs with lower total costs compared to the current method of CV Pork King. The results of the research demonstrate that by applying the EOQ method to CV Pork King, the total inventory costs incurred for imported pork meat by IDR99,475.80 (a 43.57% reduction from the current inventory system) and for local pork meat by IDR45,594.00 (a 18.20% reduction from the current inventory system).
Analisa penyebab kerusakan produk cocopeat menggunakan diagram fishbone pada UMKM XYZ Dwi Adi Prastyo; Ira Arianti; Rois Indriawan; Irfan Cholid; Nurimansyah
Jurnal Teknik Industri dan Manajemen Rekayasa Vol 4 No 1 (2026)
Publisher : Universitas Atma Jaya Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24002/jtimr.v4i1.14946

Abstract

[Analysis of the causes of damage to cocopeat products using a fishbone diagram in MSME XYZ] The cocopeat processing industry at the micro, small, and medium enterprise (MSME) level faces serious challenges related to product defects that negatively affect product value and consumer trust. This study aims to identify types of product damage in cocopeat and to systematically analyze the contributing factors at MSME XYZ. A descriptive qualitative approach was employed, guided by a quality management framework centered on root cause analysis. Data were collected through in-depth interviews with the business owner and production operators. The collected data were analyzed using a fishbone diagram with the 5M+1E categorization framework, encompassing the factors of man, machine, material, method, measurement, and environment. Fishbone diagram analysis revealed four primary factors contributing to cocopeat product defects: insufficient operator supervision during the packaging process (man), absence of scheduled maintenance for the shredding machine (machine), low pH characteristics of raw materials due to geographical factors (material), and manual portioning processes without standardized weighing tools (method). Product defects in MSME X's cocopeat are not caused by a single factor but rather by a combination of systemic weaknesses in the production process spanning human resources, equipment, raw materials, and work procedures, thereby necessitating comprehensive and structured improvements.

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