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Journal Of Engineering Sciences (Improsci)
Published by Ann Publisher
ISSN : 30323452     EISSN : 30317088     DOI : https://10.62885/improsci.v1i1
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Journal Of Engineering Sciences (Improsci) merupakan peer-reviewed jurnal yang mempublikasikan artikel-artikel ilmiah dalam bidang industri. Artikel-artikel yang dipublikasikan di Jurnal Improsci meliputi hasil penelitian ilmiah asli (prioritas utama), artikel ulasan ilmiah yang bersifat baru (tidak prioritas), serta hasil kajian dalam bidang industri.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 65 Documents
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Application of The Rapid Entire Body Assessment (REBA) Method to Improve Work Safety in The Automotive Spare Parts Industry Fathurohman, Muhamad; Sukapto, Paulus; Susanto, Sani
Jurnal Improsci Vol 2 No 1 (2024): Vol 2 No 1 August 2024
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v2i1.402

Abstract

This industry consists of companies engaged in metal processing and workmanship. Companies often receive complaints from employees concerning pain or discomfort in their bodies, causing diseases such as low back pain and myalgia. The risk of accidents occurring at work is inseparable from the work done. Work-related accidents can occur due to several factors, including unsafe action. One cause of unsafe actions can be found in various unsafe work postures that workers assume. Therefore, the purpose of this study is to evaluate the posture of these workers so that it can improve their safety and health. This research was conducted by identifying occupational risks workers face and examining work performed in stamping products. The production section consists of six stations: material handling, stamping, welding, hemming, painting, and packing. The work risks run by workers have been identified using the Nordic Body Map (NBM) questionnaire and interview methods. As for the identification of the type of work carried out by evaluating work postures, the Rapid Entire Body Assessment (REBA) method has been employed. The risk level of accidents is also used for the selection of activities to be improved to minimize the level of injury risk caused by work postures that have been assumed, and in order to improve the safety and health of the workers. Improvements made are in engineering, such as manufacturing of assistive devices, and management engineering, such as providing directions that can improve the specific work posture used. Calculations are based on simulations performed with tools conducted with suggested postures by evaluation using the REBA method. Based on the results of REBA calculations, the resulting risk is lower than the one caused by the previously assumed posture, namely medium and low.
Industrial Online Gambling as Dangerous Cyber Crime in Indonesia Susanto, Budi; Suhana; Husain, Azis
Jurnal Improsci Vol 2 No 1 (2024): Vol 2 No 1 August 2024
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v2i1.428

Abstract

Currently, the reality of a lifestyle that tends to be consumptive, especially combined with the increase in daily necessities due to the speedy rate of economic inflation, makes everyone want to achieve everything practically and instantly, or they think it is easy. One of the things done is gambling. Gambling is a criminal act, i.e., risking a certain amount of money where the winning party will get the entire bet. Gambling can also be referred to as a matter of luck, as it can harm society and the nation's moral values. This crime also disturbs public order, peace, and security. In addition, the influence of gambling does not only affect adults but the impact of gambling also affects children. The Online Gambling Task Force (Satgas), formed by President Joko Widodo and the Financial Transaction Reporting and Analysis Center (PPATK), found several findings related to online gambling in Indonesia. Among them, the turnover of online gambling money reached Rp 600 trillion, and the flow of funds flowed to several countries abroad, including several ASEAN countries such as Cambodia, Vietnam, Thailand, and the Philippines. Online gambling turnover will reach 600 T, and the January-March 2024 period will reach 100 T. A total of 2,370,000 residents are addicted to online gambling, 2% (800,000) of children under the age of 10 years.
Electric Wheelchair Manufacturing Analysis For Physical Disabilities Reviewed from the Aspect of Ergonomics Harmi Tjahjanti, Prantasi Harmi Tjahjanti; Mulyadi; Iswanto; Artha Gumelar, Buyung; Rudyansyah Christie, Rakhmad; Prastio, Anggit; Mustakim, Annas
Jurnal Improsci Vol 2 No 1 (2024): Vol 2 No 1 August 2024
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v2i1.429

Abstract

The high rate of physical disability is a trigger and spur in the development of research/research for people with disabilities to help with their daily activities, one of which is with a wheelchair. There is a sense of concern to see manual wheelchairs used daily by people with physical disabilities, especially with their abnormal hands and feet, so it becomes a problem in itself because they are quite tricky and tired of pedaling a manual wheelchair. This condition impacts their work productivity, thereby reducing their income/economy. Therefore, the purpose of this research is to manufacture electric wheelchairs belonging to two people with physical disabilities (i.e., belonging to Bagus and Huda). The ergonomics tests are carried out, including (a) Compatibility of the anthropometry of the user's body and the dimensions of the wheelchair, (b) Results of the user's postural analysis with RULA (Rapid Upper Limb Assessment) (c) Conformity of the dimensions of the wheelchair with the standard, and (d) Evaluation of the usability of the wheelchair based on observation. The results obtained for the Bagus electric wheelchair are from the anthropometric side. The popliteal height is longer than the distance between the seat and the footrest in the wheelchair. For Bagus to be more comfortable in using his wheelchair and for his legs not to be crooked (which will potentially cause more excellent musculoskeletal disorders), it is recommended that the distance between the seat and the footrest be extended. As for Huda electric wheelchairs, in general, they have been modified to adjust to the needs and conditions of Huda's body and make the design of Huda wheelchairs more ergonomic. However, the postural analysis showed that the forearm position was raised, and the hand was twisted when Huda operated the electric wheelchair controller. It is, therefore, recommended to lower the position of the controller in line with the wheelchair mount.
Phishing Cyber Security Threats Trisolvena, Muhammad Nana; Saputra, Nana Handre
Jurnal Improsci Vol 2 No 1 (2024): Vol 2 No 1 August 2024
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v2i1.440

Abstract

Phishing is a growing threat in the realm of cybersecurity, where cybercriminals use various phishing techniques to steal sensitive information from individuals and organizations. In practice, phishing aims to obtain personal, account, and financial data by impersonating trusted parties through fake emails, websites, text messages, or social media. The term "phishing" comes from the word "fishing" which describes an attempt to lure prey with fake bait. The most common types of phishing include web phishing, email phishing, smishing phishing, scam phishing, blind phishing, whaling phishing, and angler phishing, each with different approaches and targets. Phishing causes losses to individual victims and significantly impacts the information and communication technology profession, including loss of data, reputation, security, time, cost, quality, and trust. An in-depth understanding of the types of phishing, their impacts, and their prevention and countermeasures is essential to protect yourself and your organization from phishing attacks. Therefore, awareness and education about phishing are key in building resilience to this cyber threat. As such, further research and proactive actions are needed to tackle phishing effectively in the ever-evolving digital age.
Intrusion Prevention System to Protect Dos Attack Nurudin, Arif; Mubariq, Ismael
Jurnal Improsci Vol 2 No 1 (2024): Vol 2 No 1 August 2024
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Data security on a network infrastructure is a very sensitive and vulnerable matter. One alternative to overcome this is to use IPS (Intrusion Prevention System) technology where the technology is a development of IDS (Intrusion Detection System) which uses Snort. In this study, IPS technology is applied using the Untangle Firewall where the Intrusion Prevention feature is available on the platform with the intention of testing the feature on the Untangle Firewall. Testing was carried out using DoS (Denial Of Service) and SSH Brute Force attacks where the Intrusion Prevention feature on the Untangle Firewall can recognize both attacks and can block the attacks using manually added rules.
Application of Participatory Ergonomic Method to Reduce Musculoskeletal Disorders With Rapid Whole Body Assessment (REBA) at PT. Adyawinsa Stamping Industries Sukapto, Paulus; Susanto, Sani; F. Rohman
Jurnal Improsci Vol 2 No 1 (2024): Vol 2 No 1 August 2024
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v2i1.471

Abstract

PT. Adyawinsa Stamping Industry is one of the automotive companies in Karawang, West Java. In the production process, most of the work has poor posture, which can cause VascularDisorders (MSDs). In the process of eliminating and reducing the risk of MSDs in the workplace, the level of MSD risk experienced by workers is calculated using the REBA method. The results of the REBA calculation obtained several activities with values above 9 (meaning that an improvement is needed). To improve the work system using the Participatory ergonomic (PE) method involving the operator, management and ergonomics. The results of the application of PE in helping to reduce the risk level of MSDs are engineering (making auxiliary tools and also management engineering) that can improve the work posture used, namely using the REBA method. Based on the results of the REBA calculation after the improvement, the risk generated is a risk level smaller than the previous posture, namely medium and low. Real improvements are hoped to create a safe, comfortable, and productive workplace.
Design and Construction of IoT-Based Smart Wardrobe with RGB Sensor and Sound Sensor Susanto, Nugroho; Setiawan, Doni; Sulistyo, Adi; Pratama, Aziz Yulianto; Faoziah, Nina; Dalimarta, Fahmy Ferdian
Jurnal Improsci Vol 2 No 4 (2025): Vol 2 No 4 February 2025
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v2i4.595

Abstract

This research aims to design and build a smart wardrobe based on the Internet of Things (IoT) equipped with color sensors and sound sensors. This cabinet is designed to make it easier for users to organize and find the clothes they want with the help of advanced technology. The color sensor will detect the color of the garment and allow the system to suggest a combination of garments that suit the user's preferences. Meanwhile, the voice sensor allows for control of the wardrobe through voice commands, providing convenience for users to access clothes without having to open the closet door manually. This smart cabinet uses microcontroller-based hardware connected to a mobile app to manage and monitor the status of cabinets. The integrated IoT system allows the cabinet to function automatically and respond quickly to the input received from the sensors. The results of this research are expected to produce more efficient devices for organizing and searching for clothes, as well as provide a more interactive and practical user experience. In addition, by optimizing IoT technology, this research aims to introduce a more sophisticated smart home concept, with a wardrobe as one of the elements that support the ease of daily life. Keywords: Arduino, Sound sensor, Color sensor.
Design of a Round Tofu Printer Using the Ergo-Product Design Method : (Case Study: Mr. Andi’s Tofu Factory Palembang) Setiawan, Heri; Susanto, Sani; Rinamurti, Micheline; Alfian, Achmad; Pratama, Yohanes Dicka; Budiarto, Dominikus
Jurnal Improsci Vol 2 No 4 (2025): Vol 2 No 4 February 2025
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v2i4.614

Abstract

Background. Tofu is the familiar Indonesian food. It is crucial to produce Tofu effectively and efficiently. Aim. This research aims to help Mr Andi's tofu factory in Palembang, which has problems with the round tofu wrapping process. Workers are often absent due to specific events, which causes the owner to experience difficulties in producing round tofu. The processing time will be slower than usual, and the owner will have to hire spare tofu wrappers with more expensive wages. This round tofu maker is designed for Mr Andi's tofu factory. Methods. The research method applies ergonomics in product design (Ergo-Product Design), which applies the AT, SHIP approach, and anthropometry. Result. The research result is a tool made based on the dimensions of round tofu, size 6.25x6.25x4 cm3. The cover, base, and pressing cloth size is 50x50x3 cm3. The core part consists of a wooden part measuring 50x50x10 cm3 and a small square inner part of aluminum measuring 6.25x6.25 cm2. The fabric presses are the same size but added with small nails made of ¾-inch mild steel positioned right in the center of each small square in the core. Conclusion. The tool manufacturing cost is 560,000 IDR, and the maintenance cost is 10,000 IDR per month. Break event point in 13,728 units or 8,227,778 IDR and payback period in 2 days. Regarding environmental aspects, liquid waste from the tofu filter still exists because it does not change the production process. Worker energy becomes lighter, down 32 kcal/hour. Implication. The tofu packaging process time is faster, and the amount of production is more significant.
Analysis Of Time Motion Study Comparison For Coconut Husk Processing With Coconut Husk Crushing Machine Assistive Tool Hermawan, Andri; Trisolvena, Muhammad Nana; Nurudin, Arif
Jurnal Improsci Vol 2 No 4 (2025): Vol 2 No 4 February 2025
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v2i4.615

Abstract

Background. Entrepreneurs utilize abundant raw materials by making coconut husk, which is the main ingredient in making coconut husk brooms. However, many still use conventional methods to process it, such as pounding it until it becomes fiber. Aim. To be carried out effectively, it is deemed necessary to have technological assistance, such as the Coconut Husk Shredding Machine. Methods. However, to ensure that the aid has improved the effectiveness of the coconut husk shredding process, it is necessary to analyze and compare the time motion study between the two methods. By comparing the Standard Time between the two methods, Result. We can determine the extent of the difference, allowing us to quickly estimate the amount of product produced from coconut husk shredding within a specific time frame or how long it takes to process the available amount of coconut husk. Conclusion. The research and time motion study analysis results in an activity of shredding coconut husks using conventional methods and machines, which aligns with the hypothesis that shredding coconut husks using machines is 2.91 minutes faster than traditional methods. Implication. This work time measurement recommendation can be used as a standard time measurement in shredding coconut husks using conventional and machine methods.
Core Material Manufacturing Study On Aluminum Composite Panel (ACP) Harmi Tjahjanti, Prantasi Harmi Tjahjanti; Fahruddin, A'rasy; Mulyadi, Mulyadi; Hardy Sujiatanti, Septia; Eryandrie Wicaksono, Majdi; Bamban Jakaria, Ribangun
Jurnal Improsci Vol 2 No 3 (2024): Vol 2 No 3 December 2024
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v2i3.579

Abstract

An aluminum composite panel (ACP) is a flat panel with aluminum plates/sheets that are rigid and strong but relatively lightweight. Between the two plates, the core material content is generally made of polyethylene and polyurethane. However, the two core materials are not resistant to high temperatures/heat. They are flammable, so it is urgent to make variations of other core materials resistant to high temperatures. This study aims to provide variations for ACP core materials using polymer materials resistant to high temperatures, namely Low-Density polyethylene (LDPE) and Polyoxymethylene (POM). The method used is experimental/fabrication of ACP making. The high-temperature test was carried out in a furnace with a temperature of 3000C, 3500C, and 4000C, each with a holding time of 1 hour. The results obtained from observing the microstructure using an Optical Microscope before and after the test damaged the core material while the Aluminum metal was still intact. The mass of ACP before and after testing also changed. Overall, at the three temperatures above, the LDPE core material does not withstand this temperature because the temperature is above the melting point of the LDPE material.

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