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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 214 Documents
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The Development of Bioindustry Technology in Realizing IoT-Based Sustainable Agricultural Industry Waste Management in West Java Evelyn, Grace; Saputra, Aditya Vieri; Anggadewi, Dinda Damarisa; Amrina, Uly
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.23752

Abstract

The threat of climate change is increasing, especially the damage to nature caused by pollution in the agricultural sector. The impact of agricultural waste that is not managed optimally can reduce ecosystem function and disrupt food security stability. This research/research aims to mapping, analyzing, and developing Internet of Things (IoT)-based bioindustry technology in order to create an efficient, green and sustainable agricultural industry. This research uses quantitative methods with agroecology theory related to the development of agricultural waste management systems. The benefits of anaerobically processing agricultural waste such as in the West Java region is to create an optimal, efficient and land-saving food production system. Biotechnology based on the IoT automation system is a technology that can control agricultural food production waste by composting waste into new product that can be used. Therefore, we conducted research on agricultural waste, namely husk waste and cow blood water from slaughterhouses. The end result of the waste treatment is Bokashi Fertilizer and Liquid Organic Fertilizer by using biotechnology technology.
Quality Control of Janggelan Products Using Statistical Quality Control (SQC) and Failure Mode Effect Analysis (FMEA) Methods in UD. Rizqi Agung Faizal, M. Rizki Nur; Rochmoeljati, Rr.
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.22738

Abstract

UD. Rizqi Agung is one of the SMEs in Ngrayun, Ponorogo. This SMEs is one of the medium-sized SMEs that produces packaged drinks. The packaged drinks produced are drinks made from janggelan juice. UD. Rizqi Agung has a production process that is still semi-manual so that there are still products that still have defects in these products. The methods used are Statistical Quality Control (SQC) and Failure Mode and Effect Analysis (FMEA). SQC tools are check sheet, stratification, histogram, paretto diagram, scatter diagram, control chart, and cause and effect diagram. While FMEA is used for improvement of the results of the cause and effect diagram. Based on the results of research on Sari Janggelan products, the most dominant defect is obtained, namely Cup Dent defects (4.06%), followed by Leak defects (2.84%), Dented Cardboard defects (1.30%), and Label not Symetric defects (1.22%). Proposed improvements with FMEA obtained risks that have the highest priority level to make improvements to minimize the possibility of errors. The highest RPN values is 320 and 288 of the type of cup dent defect with proposed improvement recommendations, namely changing cup vendors to match the quality requested by SMEs and monitoring employee performance.
Improving Citizen Satisfaction in Dukuh Menanggal: A Six Sigma-Based Quality Enchancehement Strategy Alfany, Mochammad Zulfikar; Zunaidi, Rizqa Amelia
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.22872

Abstract

This study aims to identify the service quality in Dukuh Menanggal Subdistrict, Surabaya City, explicitly focusing on population registration, correspondence, and social assistance management. The Six Sigma method is employed to initiate improvements in public services. Six Sigma is a quality management system that emphasizes customer satisfaction by measuring the Sigma Quality Level. The analysis is conducted through the DMAIC framework (define, measure, analyze, improve, and control). Data is collected by distributing questionnaires to members of the community who are users of public services in the Subdistrict. The research findings are expected to assist Dukuh Menanggal Subdistrict in considering the proposed improvements put forth by the researchers as initial steps toward better service provision. By implementing the Six Sigma approach, the Subdistrict can enhance service quality, resulting in increased satisfaction and trust among the public regarding the provided public services. This study provides valuable insights into applying the Six Sigma methodology in local governance and its potential to improve service quality, ultimately benefiting the community and the local administration. 
The Influence of Service Quality on Customer Satisfaction Using the Banking Service Quality (BSQ) Method Hidayat, Rahmad; Tosungku, La Ode Ahmad Safar; Pawitra, Theresia Amelia
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 2: June 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i2.24254

Abstract

This study aims to analyze service quality at Bank ‘X’ by applying the Banking Service Quality (BSQ) method. Service quality is a crucial factor in maintaining customer satisfaction and preserving the bank's competitiveness against other banks. The BSQ method is used to identify the dimensions of service quality that have the most influence on customer perceptions of services at Bank ’X’. This research employs a quantitative approach by collecting data through questionnaires distributed to customers of Bank ‘X’, the collected data are then analyzed using statistical techniques such as factor analysis to identify service quality variables that emerge from customer perceptions. Additionally, regression analysis is conducted to measure the influence of each dimension on customer satisfaction. The results of this research indicate a negative gap in the access variable, while the other variable experience a positive gap. Negative gap results are also found in the attributes of "customer service assistance," "number of tellers and customer service staff," and "queues at tellers and customer service." The Pearson product-moment correlation test results show that all variables are related to customer satisfaction. The influence of service quality on customer satisfaction at Bank ‘X’ is represented by the equation Y = -5.708 + 0.290X1 + 0.305X2 - 0.423X3 + 0.422X3 + 0.341X5 + 0.35X6. The results of the F-statistic test indicate that all service quality variables significantly influence customer satisfaction simultaneously. The t-statistic results reveal that the reliability variable does not have a significant partial effect on customer satisfaction, whereas the other variable have a significant partial effect on customer satisfaction.
Quality Analysis and Improvement of Nut Dragging Defects in FR S/C Side RH Bracket Products within Indonesia's Automotive SMEs Sumasto, Fredy; Saputra, Yogi Pangestu; Imansuri, Febriza; Marizka, Dewi Auditiya; Ismono, Ahlan; Rozi, Muhamad Fahrul
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 3: October 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i3.23857

Abstract

This study analyses the quality of FR S/C Side RH Bracket products at PT BMI, especially concerning the nut dragging problem, which is often the main defect. This study aims to analyze and improve the nut dragging defect problem in FR S/C Side RH Bracket products, as well as provide an understanding of the effectiveness of the improvement in reducing the number of defective products. The analysis shows that FR S/C Side RH Bracket products with nut dragging problems are the most frequent defects, reaching 632 defective units or about 60% of the total defective products before improvement. The Failure Tree Analysis (FTA) method was used to identify the root cause of the nut dragging problem, which revealed that machine factors were generally the main cause, especially setting the spot welding machine parameters too high. In response, improvements were made by changing the parameters on the SW.03 spot welding machine and adding a cooling water line. The results showed a significant decrease in defective products, totaling 1320 units. After the improvement, only 141 units were defective. This research provides an in-depth understanding of product quality issues at PT BMI. It offers solutions to improve product quality and meet customer expectations in the highly competitive automotive industry.
Strategic Line Balancing for Enhanced Efficiency in Solar Module Manufacturing: A Comprehensive Study in the Renewable Energy Sector Imansuri, Febriza; Sumasto, Fredy; Pratama, Indra Rizki; Aminuddin, Muhammad; Saputra, Alfiolani
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 3: October 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i3.22972

Abstract

This study endeavors to enhance the productivity of solar module production in a renewable energy conversion company. The existing production line needs help in achieving the daily target of 64 units, resulting in an actual output of only 40 units. This study focuses on optimizing the production line by considering processing time adjustments and operator flexibility. To accurately measure working time, we incorporate operator flexibility and adjustment factors in the planning phase of solar module production. The primary objective is establishing an optimal production trajectory by balancing the load and capacity across workstations, thereby elevating overall production efficiency. The approach involves the application of the trial-error method and the shortest operation time method, implemented through POM QM software. Through meticulous data analysis, we determine that the trial-error process yields the most optimal results. Post-implementation, improvements are evident as the solar module production capacity increases to 60 units per day from the initial 40 units. Additionally, the idle time ratio on the assembly line to available time diminishes to 13.17% after optimization. This study contributes valuable insights into the effective enhancement of solar module production lines, emphasizing practical methodologies and software-assisted techniques for achieving substantial productivity gains in the renewable energy sector. 
Measurement of the Physiological Workload of Sorting Station Operators in A Palm Oil Processing Factory Sitorus, Tosty Maylangi; Lubis, Rizki Fadhillah; Tamami, Briliyan
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 3: October 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i3.25071

Abstract

One of the palm oil processing industries in Riau that has isolated entrepreneurs as part of its work. Based on the results of continuous observations using the Nordic Body Map (NBM) Questionnaire, 75% of working waste handlers experience complaints in the hands, waist, and legs. So the workload of processing operators is measured using a physiological approach in one of the palm oil processing industries in Riau. Measurements using a physiological approach are carried out objectively using the method of heart rate, energy expenditure, %CVL, and energy consumption. Based on the principles of heart rate, energy expenditure budget and %CVL, the results were found to be non-standard which requires additional improvements based on the energy expenditure budget and %CVL method.
Proposed Preventive Maintenance of Air Screw Compressor Machine Using Failure Mode and Effect Analysis and Modularity Design Methods at PT XYZ Susilo, Dave Dee; Widjajati, Endang Pudji
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 3: October 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i3.23742

Abstract

Current developments in the industrial world made competition between companies increasingly tight. This required companies to increase the effectiveness and efficiency of their production processes, one of which was by implementing proper machine maintenance so that the machines used could operate well and optimally. PT XYZ is a company engaged in the manufacturing industry which is engaged in making hydrogen peroxide chemical liquid in Indonesia. This company experienced problems with damage to its air screw compressor machine because the maintenance system was carried out when components were damaged, resulting in long downtime. Therefore, this research was carried out with the aim of providing preventive maintenance suggestions using the failure mode and effect analysis (FMEA) method to find critical components of the machine and modularity design to group machine components so as to reduce downtime and minimize maintenance costs. By implementing preventive maintenance with FMEA and modularity design, ten critical sub-components were obtained with a total maintenance cost of IDR 884,839,695, lower than the company's current total maintenance cost of IDR 1,513,836,000. So by applying the proposed method, the company gets an efficiency of 41.55%.
Optimization of Flight Routes Employing the Simulated Annealing Method in the Context of the Indonesian National Airline Industry Juniawan, Singgih; Roysen, Uti; Alam, Fachrul; Zainuddin, Zafitri; Daruki, Daruki; Taher, Hermawan
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 3: October 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i3.21748

Abstract

This research was conducted in the context of significant air traffic growth in Indonesia, where the increasing number of passengers each year presents an opportunity for airlines to expand their route networks and reach more markets. To seize this opportunity, a national airline based in Jakarta conducted internal research to open new flight routes connecting several important cities in Indonesia, namely Jakarta, Kupang, Pangkal Pinang, Pekanbaru, Makassar, and Banjarmasin.This research aims to obtain an optimal flight route that can enhance the effectiveness and efficiency of the planned airline routes. The research utilizes the Simulated Annealing-Traveling Salesman Problem optimization method to achieve this objective. This method is employed to find the best solution in determining the shortest route that includes visits to each destination city.The initial proposed flight route by the airline was Banjarmasin-Pangkal Pinang-Pekanbaru-Jakarta-Kupang-Makassar, with a total distance of 5,127 km. However, the research yielded a different optimal flight route after conducting the optimization process using the Simulated Annealing-Traveling Salesman Problem method. The discovered optimal flight route is Pekanbaru-Pangkal Pinang-Jakarta-Banjarmasin-Makassar-Kupang, with a total distance of 3,256 km. A comparison between the initial and optimal routes reveals that the new route has a 36.49% shorter distance than the initial route.
Comparative Analysis of Mental Workload in Industrial Engineering Laboratory Assistants Using the NASA-TLX Method Tajtibra, Firli; Putra, Perdana Suteja; Prihadianto, Rahaditya Dimas
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 5, No 3: October 2024
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v5i3.25787

Abstract

The education system at Telkom University Surabaya (TEL-U SBY) is not only in the form of theory but also practicum material, one of which is like the activities in the Industrial Engineering Stdui Program at Telkom University Surabaya. In this Study Program has a laboratory unit as a means of practicum activities, which includes 5 laboratories. The practicum activities involve the role of active students who are responsible as laboratory assistants in the implementation of practicum. This makes them have two roles that can lead to the potential for increased mental workload (MW). So, in this study, a comparative measurement of the mental workload of laboratory assistants was carried out to help identify the level of workload experienced, as well as increase efficiency and productivity. The method used as an approach in measuring the mental workload of laboratory assistants is through the NASA-TLX method. The results obtained from this study, it is known that the Engineering Management laboratory has the highest mean score of 65.42 and the second highest is the Optimization and System Modeling laboratory of 60.56. The most dominant indicators as the cause of the mental workload of laboratory assistants are the effort and temporal demand indicators. Recommendations for improvement include task and time management, work appreciation, and improving adequate practicum facilities, for the comfort and satisfaction of laboratory assistant members.

Page 11 of 22 | Total Record : 214

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