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Journal Industrial Servicess
Published by Universitas Sultan Ageng Tirtayasa
ISSN : 24610623     EISSN : 24610631     DOI : -
Core Subject : Economy, Science, Engineering,
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation
Jurnal Industrial Servicess merupakan wadah bagi peneliti untuk publikasi jurnal hasil penelitian yang ruang lingkupnya melingkupi: Logistics & Supply Chain Management Operations Research Quality, Reliability, and Maintenance Management Data Mining & Artificial Intelligence Production Planning & Inventory Control Ergonomics & Human Factors Information Systems & Technology Service Management Sustainability Human Resources Economic
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 458 Documents
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Ant Colony Optimization algorithm for determining the shortest routes to reduce distribution costs Muharni, Yusraini; Febianti, Evi; Adipradana, Febby Chandra; Ilhami, Muhammad Adha; Muttaqin, Ade Irman Saeful; Kulsum, Kulsum; Herlina, Lely; Wulandari, Anting; Hartono, Hartono
Journal Industrial Servicess Vol 9, No 1 (2023): April 2023
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v9i1.19022

Abstract

Distribution is an important activity that companies need to pay attention to. Improper planning for distribution activities can potentially waste both cost and time. Determining the shortest distribution route could help companies effectively reduce distribution costs. This research was conducted on a small and medium enterprise (SME) located in Rangkasbitung, Indonesia that sells various types of bread. Distribution activities carried out by Jaya Roti were found to be still conventional, while the distribution carried out to the city of Serang has many locations and complex route combinations. This research utilized the metaheuristic method of Ant Colony Optimization (ACO) with MATLAB software to determine the shortest route, which is included in the Travel Salesman Problem (TSP). The result of the shortest route determination was a total distance of 93,484 Km with an efficiency rate of 26.97% and a resulting cost of IDR 170,795.
Literature review using the concept of Value Stream Mapping in the manufacturing industry Antonio, Tito; Anggara, Sunu Surya; Sedubun, Elkiopas; Nurhaliza, Siti Farah; Setiawan, Rohmat; Setiawan, Indra; Azzahra, Shafa
Journal Industrial Servicess Vol 9, No 1 (2023): April 2023
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v9i1.18264

Abstract

Value Stream Mapping (VSM) has become a valuable tool for decision-making and identifying opportunities for lean manufacturing practices. This study reviewed literature from various sources, including Google Scholar and Science Direct, to explore the application of VSM in different sectors of the manufacturing industry. The study used specific keywords, such as "Value Stream Mapping," "Manufacturing Industry," "Waste," and "Waiting Time" to identify relevant literature. The study analyzed 42 research papers published between 2017 and 2022 to examine the development and application of VSM in the manufacturing industry. VSM has been widely adopted in various industries such as automotive, food, and textile, among others, and has been used to create action plans that combine different lean techniques to achieve optimal results. The process of VSM involves two stages, which are describing the current and future conditions. From the descriptions, areas for improvement can be identified and developed to create a lean process. Based on the reviewed literature, VSM has been found to be highly effective in the manufacturing industry.
How to choose the best promotion strategies for increasing prospective students: The role of risk management factors Kusuma, Yudha Adi
Journal Industrial Servicess Vol 9, No 1 (2023): April 2023
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v9i1.18709

Abstract

X University is one of the private universities located in the East Java province. To retain prospective students and encourage them to register, informational media through promotion is necessary. To determine the best promotion strategy, student profile data is utilized. The accumulated student profile data must be processed through data mining. In this research, the K-means method is used for data mining. The K-means measurement results are divided into three groups: Cluster 1 includes P1, P7, and P8; Cluster 2 includes P2 and P9; and Cluster 3 includes P3, P4, P5, P6, and P10. The risk management process is carried out in three stages: risk identification, risk assessment, and risk mitigation. The results of the risk identification phase showed that there were 15 risk variables. The risk assessment phase revealed two very high category risks, two high category risks, four medium category risks, and seven low category risks. Following the advice of X University, risk mitigation activities were selected for the very high and high-category risk variables. The results of this research are expected to contribute to an increase in the number of students at X University in the future.
Optimizing packaging process efficiency and quality control at a black carbon manufacturer through lean six sigma and design of experiment Bahauddin, Achmad; Trenggonowati, Dyah Lintang; Sonda, Atia; Yusuf, Vira Aleyda; Saeful Mutaqin, Ade Irman; Umyati, Ani
Journal Industrial Servicess Vol 9, No 1 (2023): April 2023
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v9i1.19052

Abstract

CI is a multinational company that involves manufacturing carbon black. The carbon black is packed in a 1250 kg jumbo bag and a 25 kg paper sack. Based on reject weight data for December 2019, 4.4% of paper sacks were rejected, with some caused by suboptimal packer machine settings. The study will use the design of experiment to determine critical quality factors for carbon black grade Sterling-V, identify waste in the packaging process, determine the sigma value in the packaging process, identify factors causing product defects, evaluate the risk priority number, and provide suggestions for optimal packaging machine conditions through factorial experiments. The reject weight of Sterling-V products due to reject weight was 123 out of the total production. The study results showed a sigma level of 2.205, with the engine factor being the main cause of reject weight (RPN 900). The optimal packaging machine conditions proposed for Sterling-V grade are Bulk Fill Cut Off (22.5 kg), High Pressure Air (7 bar), and Trim Final Cut Off (25 kg), which can reduce reject weight to 23 from total production.
Product quality control analysis using the six sigma method Ridwan, Asep; Sonda, Atia; Amelia, Amelia
Journal Industrial Servicess Vol 9, No 1 (2023): April 2023
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v9i1.19044

Abstract

Technological improvements and developments have significantly altered consumers' perceptions of product quality. The production of high-quality products is only possible through a robust manufacturing process. However, during the production process, various issues may arise, leading to the production of defective products. As a result, manufacturing companies like XYZ are now required to conduct product quality control to minimize the number of defects. The objective of this study is to control product quality by reducing defects at XYZ. To achieve this, we have employed the Six Sigma method, which involves several stages, such as define, measure, analyze, improve, and control. Our research indicates that product A is prone to defects, with density being the most common type. We have calculated the DPMO (defects per million opportunities) to be 2580.66, while the sigma value is 4.297. The process capacity that produces problems at XYZ is at an average level for US industry. Additionally, we have used the 5W + 1H approach to propose improvements during the Improve stage. However, our recommendation for enhancing the production process to reduce defects is still a work in progress and needs to be executed, assessed, and monitored to reach world-class industry standards.
Supply chain performance analysis using discrete system simulation method: A case study in a furniture company Trenggonowati, Dyah Lintang; Ulfah, Maria; Ridwan, Asep; Bahauddin, Achmad; Ekawati, Ratna; Sonda, Atia; Umyati, Ani; Fachrur, Aditya Rahadian; Yadi, Yayan Harry
Journal Industrial Servicess Vol 9, No 1 (2023): April 2023
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v9i1.19049

Abstract

As time progresses, the evolving industrial world demands that companies devise the best strategies to achieve their desired goals. A well-designed system is expected to increase the profitability of the company itself. CSD is an interior furniture and interior design studio located in the city of Cilegon, Banten. The challenge faced by CSD is the inability to meet order deadlines during periods of high demand. The objective of this study is to assess the level of machine utility within the existing process and provide recommendations to achieve an optimal process. The methodology employed includes system simulation and model development using Promodel software. Additionally, statistical tests, model validation, and ANOVA tests were conducted. Based on the results, it was determined that the level of machine utility at CSD is 17.48% for shaping planning, 30.08% for grinding, 14.88% for assembly, and 29.98% for finishing. The proposed solution, scenario or proposal 2, suggests combining the assembly and finishing workstations, resulting in increased machine utility.
Investment feasibility study of implementing electric conversion motorcycle in Indonesia: A sustainable development perspective Imansuri, Febriza; Wirandi, Mohammad; Sumasto, Fredy; Aisyah, Siti; Permana, Al Kautsar
Journal Industrial Servicess Vol 9, No 2 (2023): October 2023
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v9i2.19996

Abstract

The cause of global warming occurring in the world originates from the transportation sector, particularly Internal Combustion Engine (ICE) vehicles using fossil fuels. As a response, the Indonesian government has enacted regulations aimed at accelerating the adoption of electric vehicles. Electric vehicles developed in Indonesia encompass two-wheeled, three-wheeled, four-wheeled, and other types that operate by utilizing electrical energy stored in the vehicle's battery. One notable development involves the conversion of ICE motorcycles into electric motorcycles. This study seeks to assess the investment feasibility of implementing convertible motorcycles from economic, environmental, and social perspectives. The economic aspects are evaluated by calculating net present value (NPV) and payback period (PP), with the study's results demonstrating the economic viability of implementing convertible motorcycles. Furthermore, environmental considerations involve the comparison of chemical substances emitted as pollutants, with the results indicating the feasibility of this approach due to its potential to reduce air pollution. Lastly, the social aspect encompasses the review of potential impacts should converted electric motorcycles be produced on a large scale. The success of implementing convertible motorcycles necessitates the collaboration of various stakeholders, including the government, small and medium enterprises, electricity service providers, and the awareness of the public.
Development of a blockchain-based website application for storing certificate (Case study at Universitas Sultan Ageng Tirtayasa) Bahauddin, Achmad; Ferdinant, Putro Ferro; Elisabeth, Devalia; Ruwani, Tanti
Journal Industrial Servicess Vol 9, No 2 (2023): October 2023
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v9i2.21589

Abstract

Universitas Sultan Ageng Tirtayasa currently lacks a secure application to store digital certificates, including diplomas and academic transcripts, with an assurance of non-alteration. Consequently, a research study was conducted to develop a blockchain-based certificate storage on its website. The choice of blockchain technology was driven by its cryptographic security, immutability, distributed ledger, and decentralized features. The research aimed to identify stakeholder needs for website application development, design a blockchain-based website application for storing certificates, and assess the outcomes of testing this application. The research followed the System Development Life Cycle (SDLC) method, encompassing planning, analysis, design, implementation, and system testing stages. The stakeholders involved in this website application included university administrators responsible for uploading digital certificates, students accessing their own certificates, and companies verifying student credentials. The application was designed with rich images, use case diagrams, sequence diagrams, hierarchical charts, entity-relationship diagrams, and application specifications. The results of the System Usability Scale testing showed a score of 76.56, indicating that the application falls within the acceptable range and is deemed acceptable by users.
Proposed improvement of service quality in a university canteen using Servperf, PGCV, and TRIZ methods Anggraeni, Shanti Kirana; Wahyuni, Nuraida; Amanah, Umi Noer; Febianti, Evi; Ekawati, Ratna
Journal Industrial Servicess Vol 9, No 2 (2023): October 2023
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v9i2.21746

Abstract

Kantin Hijrah at FT Untirta is among the food and beverage businesses located at the Faculty of Engineering, Sultan Ageng Tirtayasa University. Continuous efforts are essential to enhance service quality to achieve satisfied and loyal customers. This study aims to assess the service quality at Kantin Hijrah FT Untirta and suggest improvements by utilizing the SERVPERF, PGCV, and TRIZ methods. Questionnaires were distributed to 97 active FT Untirta students for data collection. According to the SERVPERV method, the service quality yielded a score of 3.64, indicating satisfaction. Additionally, utilizing the PGCV and TRIZ methods identified five attributes for improvement: maintaining cleanliness in the restroom, ensuring a well-kept handwashing area, providing menu books, adequate and well-maintained tables, and chairs, and ensuring the overall comfort of Kantin Hijrah (i.e., maintaining a suitable temperature and reducing noise). Implementing these proposed improvements aims to further enhance the service quality at Kantin Hijrah.
Mental workload analysis of Industrial Engineering students using Subjective Workload Assessment Technique (SWAT) Leonardo, Leonardo; Sarvia, Elty
Journal Industrial Servicess Vol 9, No 2 (2023): October 2023
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36055/jiss.v9i2.21704

Abstract

Mental stress is a condition that can be caused by uncontrolled physical demands, environment, and social situations. In lecture activities, mental stress occurs in some students, reducing their performance at the lecture level. Mental stress in students tends to be high which can be caused by factors contained in lecture activities. Therefore, this study aims to analyze the mental workload experienced by students, especially Industrial Engineering students at X University class of 2020, and identify the factors that cause students' mental workload, and provide suggestions to help students overcome their mental workload. The method in this research is the Subjective Workload Assessment Technique (SWAT) to measure mental workload using respondent assessment and using Fishbone Diagram to find out the factors that cause high mental workload in students. The questionnaire was distributed to all students of class 2020 who were taking at least 18 credits in the odd semester of 2022-2023. The results of this method state that students of class 2020 have a mental burden on class activities and practicum activities. With a percentage of the time dimension of 46.78% in class activities and 55.34% in practicum activities followed by the effort dimension of 25.77% and 20.39%, the stress dimension of 27.45% and 24.27%. Based on the highest factors causing mental burden due to teaching and learning activities in class and practicum, it was found that the class of 2020 felt difficulties when studying quiz material, taking quizzes, studying practicum material, participating in practicum activities, working on practicum reports, and communicating with practicum partners. Some suggestions are to rearrange the lecture schedule or lecture hours, each lecturer makes an academic schedule for giving each assignment and quiz during the period of one semester, students are wiser in managing their free time, students take the number of credits according to their respective capacities, and so on.

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