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Humiras Hardi Purba
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IJIEM - Indonesian Journal of Industrial Engineering & Management Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana Kampus Menteng - Gedung Tedja Buana, Floor 4th Jl. Menteng Raya No. 29 Jakarta Pusat- Indonesia Tlp.: +62 21 31935454 Fax: +62 21 31934474
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INDONESIA
Indonesian Journal of Industrial Engineering & Management
Published by Universitas Mercu Buana
ISSN : 26147327     EISSN : 27459063     DOI : https://dx.doi.org/10.22441/ijiem
Core Subject : Science, Engineering,
Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering
The journal aims to advance the theoretical and applied knowledge of this rapidly evolving field, with a special focus on industrial engineering and management, organisation of production processes, management of production knowledge, computer integrated management of production flow, enterprise effectiveness, maintainability and sustainable manufacturing, productivity and organisation, forecasting, modelling and simulation, decision making systems, project management, innovation management and technology transfer, quality engineering and safety at work, supply chain optimization. Indonesian Journal of Industrial Engineering & Management is published under the auspices of Universitas Mercu Buana. The main purpose of Indonesian Journal of Industrial Engineering & Management is to publish the results of cutting-edge research advancing the concepts, theories and implementation of novel solutions in modern manufacturing and services. Papers presenting original research results related to industrial engineering and management education are also welcomed.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 199 Documents
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Innovative Strategies for Lean Manufacturing Laboratory: A Literature Review on Automation and Planning Qulub, Irkham Syifaul; Herlambang, Hendi; Amrina, Uly; Ikatrinasari, Zulfa Fitri
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 6, No 2: June 2025
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v6i2.28342

Abstract

This research investigates the evolution of laboratory practices, lean manufacturing, and automation. It involved analyzing 150 scholarly articles retrieved from Google Scholar using keywords "Laboratory, Lean Manufacturing, and Automation," selecting and studying 49 relevant articles. Key findings highlight trends in smart laboratory development, lean manufacturing implementation, and automation integration in industry. Limitations include insufficient focus on highly automated lean laboratories and the need for comprehensive planning across short, medium, and long terms. Future research should explore innovative strategies to improve laboratory efficiency and industrial responsiveness. This study offers insights into current academic trends and suggests paths for sustainable technology development in laboratories and lean manufacturing
Quality Control Analysis of Cover Flange Products with Six Sigma Approach at PT. SMI Tri Nurhasanah, Anggita Nafiulana; Restuasih, Sinta; Haryudiniarti, Ayu Nurul
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 6, No 2: June 2025
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v6i2.28622

Abstract

PT. SMI is a manufacturing company engaged in manufacturing services specializing in heavy equipment components. In the production process activities there are still several factors that cause a product that has been produced not in accordance with predetermined specifications. Therefore, this study aims to determine the types and factors that can cause deffects and provide proposals for improving the Cover Flange at PT. SMI. The method used is the Six Sigma DMAIC method (Define, Measure, Analyze, Improve, Control) which is quality control to minimize the number of defective products. Based on the results of data processing analysis, there are still data that are still outside the control limits. Therefore, the production process still has to be improved in order to improve quality. The DPMO (Defect Per Million Opportunities) value before improvement is 106456 and the sigma value is 2.70. The proposed improvement used in this study is to use the 5S method (Seiri, Seiton, Seiso, Seikersu, Shitshuke) So, the results obtained after applying the 5S method are a reduction in the DPMO value of 51579 and a sigma value of 3.15 with a reduction in the number of defective Cover Flange products, so with the improvement being able to provide changes in the DPMO value and sigma value of PT. SMI.
The Application of Servqual and IPA Methods to Identify Areas for Improvement in Services at Mangggarai Station Saputri, Wandha Indah
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 6, No 2: June 2025
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v6i2.30578

Abstract

This study aims to assess and improve the quality of service on the Jabodetabek KRL at Manggarai Station which has experienced an increase in the number of passengers and density, especially during peak hours. This increase causes several challenges, including inconvenience for passengers. The SERVQUAL and Important Performance Analysis (IPA) methods were used to identify and address gaps between expectations and passengers' perceptions of the services provided by the station. The study involved the distribution of questionnaires designed to measure five dimensions of service quality including reliability, responsiveness, assurance, empathy, and physical evidence. The results of the analysis proved the existence of several significant gaps that require immediate corrective action. Based on these findings, strategic recommendations were developed for PT Kereta Commuter Indonesia in order to optimize operations and improve customer satisfaction. This research provides new insights into the existing literature by highlighting the importance of service quality management in the public transportation sector, particularly on the KRL Commuter Line.
Comparative Analysis of Repair Policy and Preventive Maintenance Policy Methods in Machine Maintenance on the Production Floor of PT. Metro Riau Sugandi, Bagus Ahmad; Hamdy, Muhammad Ihsan; Taslim, Rika; Nofirza, Nofirza; Nur, Muhammad
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 6, No 2: June 2025
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v6i2.31177

Abstract

PT. Metro Riau is a newspaper printing company facing significant challenges due to high machine breakdown rates, which have impacted maintenance costs and production output. This study aims to compare machine maintenance costs using repair policy and preventive maintenance policy methods and provide recommendations for the most efficient maintenance approach. The data utilized includes types of breakdowns, maintenance costs, and production rates during the 2023 period. The research employs a quantitative analysis method to calculate repair and preventive maintenance costs based on the probability of breakdowns for each type of machine. The findings reveal that for type A breakdowns, the repair policy is more cost-effective, with a maintenance cost of IDR 143,829 compared to IDR 176,384 for the preventive maintenance policy. Conversely, for type B and C breakdowns, the preventive maintenance policy is more efficient, with costs of IDR 259,616 and IDR 375,950, respectively, compared to the repair policy. Based on these results, it is recommended to implement the repair policy for type A breakdowns and the preventive maintenance policy for types B and C. This combined approach is expected to reduce maintenance costs while enhancing the reliability of the company's production machinery.
Optimization of Selection Suppliers for Rice Raw Material Using AHP (Analytical Hierarchy Processes) and TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) Methods in CV Gembira Prasetya, Adi Tulus; Donoriyanto, Dwi Sukma
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.22366

Abstract

CV Gembira is engaged in the production of Rice Mill with the trademark Osing Rice, and has 3 variants, namely Osing Super, Osing Premium and Osing Gold. Problems CV Gembira one of them is the delay in the delivery of rice raw materials carried out by supplier and also the quality of goods that do not meet the criteria. The AHP method is the preferred method. There are several reasons, namely, AHP provides a hierarchical representation of a problem that is useful in assisting decision making. The selection of the TOPSIS method as an auxiliary method is based on simple logic and has the farthest distance to the negative ideal solution. After performing calculations using the AHP and TOPSIS methods, alternative sequence results are obtained supplier the best that can be used by CV Gembira with a preference value of 0.6249 is owned by UD Bintang Timur.
Modeling Pospay and Multi-Lane Free Flow Integration for Revenue Increase Krisnawanti, Krisnawanti; Fathurahman, Dimas Mukhlis; Haryaman, Adang; Sulaeman, Muhammad Rifqi; Pratama, Rapi Sukma
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.21883

Abstract

The rise of e-commerce in Indonesia has made digital payment systems increasingly important. One such system is PT. Pos Indonesia’s Pospay application. However, the app is not very popular among users as indicated by its low download numbers and ratings. To address this issue, the potential benefits of combining the Pospay application with Cantas to facilitate toll road transactions were examined. The aim was to increase public awareness of the Pospay application, which would lead to increased revenue. A dynamic system approach was used to develop an optimal strategy for improving Pospay services in the Public Transport sector and integrating it as a toll payment method in the MLFF (Multi-Lane Free Flow) system. The initial dynamic system modeling, using a Causal Loop Diagram (CLD), revealed that service innovation, customer satisfaction, and company revenue are interrelated variables that influence each other. The results of this research can be used as suggestions for companies in developing service innovation strategies.
Application of the Min-Max Stock Method in the Inventory Control of the Raw Materials for the Cement Production at PT XYZ Hasan, Iqbal Abdurrahman; Pulansari, Farida
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 4, No 3: October 2023
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v4i3.20953

Abstract

PT XYZ is the largest cement manufacturer in Indonesia that produces cement with different types of cement, namely OPC, PCC, and PPC. The implementation of its production process, starts with the mixing of raw materials, processing, and packaging to the finished product, namely cement. PT XYZ has a problem in the form of raw material inventory that has not been well controlled because the raw materials are often placed outside the storage area provided by the company due to overloading, thus taking up space that should not be used as a raw material storage area. In this study, the minimum-maximum method is applied to 4 types of raw materials, silica sand, gypsum, trass, and fly ash. By determining the amount of safety stock, minimum stock, maximum stock, reorder point and order quantity, companies can effectively determine the raw material inventory policy to avoid overstock or stockout. The study uses a 99% service level with a 1% risk of out-of-stock products. The results of the study obtained the safety stock value of silica sand 3,854 tons; gypsum 4,405 tons; trass 10,456 tons; and Fly Ash 511 tons. Then, the minimum inventory calculation is carried out, it is known that the minimum inventory results are in Fly ash raw material of 776 tons while the results for maximum inventory are in Trass of 34,613 tons. After the min-max calculation, the ordering policy for each material can be obtained, silica sand 5,255 tons, gypsum 9,111 tons, trass 22,534 tons, fly ash 776 tons.
The Influence of Brand Image, Product Quality, and Price on Purchase Decisions and Repurchase Intention Amalia, Adella; Waluyo, Minto
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.22011

Abstract

Based on data from one of the best e-commerce in Indonesia, sales of flagship smartphones with a price range of 15-18 million rupiah. This study aims to analyze the effect of brand image, product quality, and price on purchasing decisions and repurchase intentions on iPhone smartphones (studies on users of iPhone 14 in Indonesia). This study uses sampling data. In this research study, 20 indicators were used, and based on the Maximum Likelihood (ML) technique, the number of samples that had to be fulfilled was 5 x n(indicators) = 100 pieces. The hypothesis was tested using the Structural Equation Model (SEM) method using AMOS 22 software. The results of this hypothesis test will be followed by using SOAR analysis to determine marketing strategies. This study shows that brand image has a significant effect on purchasing decisions, price has a significant positive impact on buying decisions, and buying decisions have a significant positive effect on repurchasing intention of the iPhone 14 smartphone. So for the model equation, the relationship between exogenous variables and endogenous variables Y2 = 0.262 X1 + 0.413 X3 + Z4.
Analysis of Marketing Strategies to Achieve Room Occupancy Targets with the SWOT Method at Grand Tamaro Parapat Hotel Malau, Geby Hotmauli; Iriani, Iriani
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.22413

Abstract

Hotel is one of the service businesses that can support improving the tourism industry through the facilities and infrastructure provided. The marketing strategy carried out by a hotel is very influential on the success of achieving the room occupancy target set by the hotel. Grand Tamaro Hotel is one of the hotels located in a tourism city in Indonesia, namely the city of Parapat, which is experiencing a problem of decreasing room occupancy rates, where from 2020 to 2022 Grand Tamaro Hotel cannot reach the room occupancy target that has been set. This study aims to determine the marketing strategy for achieving room occupancy targets using the SWOT method at the Grand Tamaro Hotel. This research is a quantitative study using purposive sampling technique as a sampling technique. The sample in this study were visitors who had visited the Grand Tamaro Hotel at least once with a total of 80 respondents. The results of this study indicate that the position of the Grand Tamaro Hotel is in quadrant II, namely the position of the diversification strategy with an IFAS score of 3.9 and an EFAS score of 4. This position shows that the Grand Tamaro Hotel faces several threats but has internal strengths. The strategy that must be applied during this condition is to take advantage of strengths to maximize long-term opportunities. Judging from the condition of the hotel, the strategy that can be applied is the S-T strategy which utilizes strength factors to overcome the threats at the Grand Tamaro Hotel.
Material Planning with ABC Classification, Min-Max Method, and Continuous Review System Method at PT XYZ Wardana, Farhan Jezando; Zamzani, Muhammad Imron; Purba, Arini Anestesia
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 1: February 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i1.22661

Abstract

PT XYZ is a petrochemical manufacturing company that produces industrial raw materials. This company has a stock of inventory materials in its warehouse. The background of this research is based on the company's need to optimize raw material inventory management to ensure the smooth running of the methanol production process and prevent overstock and stock of material. This study analyzed company SAP data, which showed a high average overstock level in CR1-B2-C01 storage during 2018-2022. Forty materials were overstocked, and 22 materials were out of stock. This shows the urgency to classify priority inventory materials, determine the research results in minimum and maximum quantities of materials, and determine reorder points. The research methods used include the ABC classification to classify inventory priorities, the Min-Max method to calculate the minimum and maximum amount of material, and the Continuous Review System method to determine reorder points and the amount of inventory to be provided. Data on purchases and usage of Parker O-Lube and O-Ring Parker materials in CR1-B2-C01 storage during 2018-2022 are used as a basis for planning material requirements. The research results found that by applying the ABC classification, the Min-Max method, and the Continuous Review System method, the company can optimize the management of CR1-B2-C01 raw materials. In investing in raw materials, companies can reduce the risk of unnecessary costs, minimize damage to goods, and prioritize the optimal use of storage space.

Page 17 of 20 | Total Record : 199

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