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Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer
Published by Asosiasi Riset Teknik Elektro Dan Informatika Indonesia
ISSN : 30318750     EISSN : 30318742     DOI : 10.61132
Core Subject : Science,
Computer Science & IT
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer memuat naskah hasil-hasil penelitian di bidang Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 286 Documents
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Sistem Pendukung Keputusan Metode AHP Pemilihan Siswa Akademik Terbaik pada SMP Dharma Bakti Jakarta Timur Winton Almundarisna; Aan Risdiana; Achmad Birowo
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.864

Abstract

In the era of increasingly advanced technological development, decision support systems (DSS) play an important role in improving the quality of decision-making in the education sector. The selection staff at SMP Dharma Bakti find it difficult to objectively determine the best academic students because they still use a manual method that is prone to errors. This research aims to design a web-based decision support system that can help selection staff assess and determine their best academic students objectively and quickly. This system is developed using the PHP programming language, MySQL database, LARAVEL 8 framework, and applies the Analytical Hierarchy Process (AHP) method within it. This research produces a system that allows the SMP Dharma Bakti Selection Officers to input alternative data, namely student data, determine the weight of criteria and sub-criteria, and view the ranking results automatically, thus greatly facilitating the SMP Dharma Bakti Selection Officers in determining their best academic students.
Pengaruh Sistem Manufaktur Berkelanjutan terhadap Daya Saing Perusahaan Industri di Indonesia Nurmawaddah Pasaribu; Abdurrozaq Hasibuan; Ade Oka Syahputra; Jeany Amelia Putri
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.865

Abstract

This study uses a qualitative method to examine the influence of sustainable manufacturing systems on the competitiveness of industrial companies in Indonesia. In an increasingly competitive global market, implementing sustainability principles in manufacturing systems has become a vital strategy to enhance operational efficiency, reduce environmental impact, and strengthen a company’s image in the eyes of consumers and stakeholders. This research focuses on how industrial companies in Indonesia integrate economic, social, and environmental aspects into their production processes and how such integration contributes to long-term competitiveness. Data were collected through in-depth interviews with production managers, analysis of internal company documents, and direct observation of sustainable manufacturing practices. The findings reveal that companies consistently applying sustainable manufacturing systems are able to improve product quality, expand market share, and enhance customer loyalty. Additionally, they are more adaptive to environmental regulations and market trends demanding corporate social responsibility. Thus, sustainability becomes a strategic factor in enhancing industrial competitiveness in Indonesia.
Studi Deskriptif terhadap Teknik Pengelasan SMAW pada Praktikum Taruna Teknika AMN Cilacap Immawan Insani; Priyani Budiyarti
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.866

Abstract

This study aims to describe the implementation of Shielded Metal Arc Welding (SMAW) techniques in practical training conducted by cadets of the Teknika Study Program at AMN Cilacap. The method employed is descriptive quantitative using a Likert-scale questionnaire (1–5). The research sample consisted of 40 second-semester cadets selected through purposive sampling. The questionnaire was structured based on four aspects: theoretical understanding, practical skills, compliance with safety procedures, and perceived obstacles. The results show that theoretical understanding was at a high level (average score of 4.1; 87.5%), practical skills were categorized as adequate (75%), and compliance with safety procedures was very high (90%). However, obstacles were still significantly perceived, with an average score of 2.88 and only 27.5% of respondents giving positive responses. The main obstacles faced by cadets included limited welding equipment, insufficient training in specific welding positions, and inadequate practice time. This study recommends improvements in practical facilities, diversification of training in various welding positions, and more effective management of practice schedules to support optimal learning outcomes.
Kontribusi Pengalaman Praktik Industri terhadap Motivasi Belajar Siswa Kelas XII Teknik Pemesinan SMKS Dhuafa Padang Muhammad Fahrozi; Waskito Waskito
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.869

Abstract

This study aims to determine the contribution of industrial work practice (Prakerin) experience to the learning motivation of 12th-grade students in the Mechanical Engineering Department at SMKS Dhuafa Padang. A quantitative correlational research approach was employed, using a questionnaire distributed to 30 students who had participated in the Prakerin program. The results indicate a strong and significant relationship between Prakerin experience and learning motivation, with a Pearson correlation coefficient of 0.763 (Sig. < 0.001). Simple linear regression analysis shows that industrial practice experience contributes 58.3% to students' learning motivation. These findings suggest that relevant and meaningful implementation of Prakerin can encourage students to become more motivated in their academic activities at school.
Pengaruh Arah Serat dan Fraksi Volume terhadap Kekuatan Impact Komposit Serat Tebu (Sugar Cane Fiber) Epoxy Moch Rakha Naufal Athilah; Widjanarko Widjanarko
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.892

Abstract

This study aims to examine the effect of fiber orientation and volume fraction on the impact strength of sugarcane fiber–epoxy composites. Sugarcane fiber is considered a promising natural reinforcement material due to its lightweight, renewable nature, and environmental friendliness. Specimens were fabricated using the vacuum bagging method with fiber orientations of 0°, 60°, 90°, and random, and volume fractions of 5%, 10%, 15%, and 20%. Impact testing was conducted according to ASTM D6110-10 to determine absorbed energy and impact strength. The results show that both fiber orientation and volume fraction significantly influence impact strength. The highest impact strength was achieved with a 15% volume fraction and 0° fiber orientation, reaching 0.085 J/mm² or an absorbed energy of 8.5 Joules. In contrast, the lowest value was recorded at a 15% volume fraction with 90° fiber orientation, yielding 0.018 J/mm² or 1.8 Joules. The interaction between these variables also contributed significantly to enhancing material toughness. These findings highlight the importance of optimizing fiber orientation and volume fraction in designing natural fiber-based composites for lightweight structural applications
Studi Optimasi Pengaruh Tekanan dan Waktu Pengeringan terhadap Kadar Air Ikan pada Proses Freeze Drying Dzaky Mirza Pradana; Widjanarko Widjanarko
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.895

Abstract

This study aims to evaluate and optimize the effects of vacuum pressure and drying time on moisture content in the freeze drying process. Freeze drying was selected due to its ability to preserve the quality of food products by removing moisture through sublimation under low vacuum conditions. The vacuum pressure variables applied in this study were -62.8 cmHg, -64 cmHg, -67 cmHg, -70 cmHg, and -71.2 cmHg, while the drying times were varied at 8.2 hours, 9 hours, 11 hours, 13 hours, and 13.8 hours. Response Surface Methodology (RSM) with a Central Composite Design (CCD) was employed to analyze the individual effects and interactions of the two factors on final product moisture content. The results showed that both vacuum pressure and drying time significantly influenced moisture reduction, while their interaction effect was statistically insignificant. The optimum conditions were achieved at a vacuum pressure of -70.5 cmHg and a drying time of 12.6 hours, meeting the moisture content requirements based on SNI 8273:2023 standards. These findings are expected to serve as a practical reference for determining optimal operating parameters in freeze drying processes to improve efficiency and product quality.
Analisis Coolant Dromus Beserta Variasi Coolant dari Minyak Kelapa dan Jagung terhadap Kekasaran Permukaan Material Baja ST-60 pada Pembubutan Konvensional Rony Irawan; Nurhadi Nurhadi; Fendy Kussuma
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.897

Abstract

Product quality is affected by the conventional turning process that requires coolant to maintain surface smoothness and reduce tool wear. Vegetable oils such as coconut, corn, and palm oil are environmentally friendly alternatives to chemical coolants (dromus). This study tested the effect of vegetable coolants on the surface of ST 60 steel using an experimental method with variations in a mixture of oil, water, and liquid soap. Turning was carried out at a depth of 0.5 mm, a rotation speed of 1035 rpm, and a cutting speed of 65 mm/min. The results showed that the lowest roughness was in variation 7 (80% corn oil + 10% water + 10% liquid soap) with an initial roughness value of 2.438
Sistem Pendukung Keputusan untuk Pengoptimalisasi Pemilihan Supplier Menggunakan Metode SAW pada Baking Daily Store Ryan Fakhroji; Aan Risdiana; Achmad Birowo
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.910

Abstract

The problem faced by Baking Daily Store is that there is no system that can be used to optimize supplier selection, which has only been done based on intuition and relationships. This has the potential to cause inefficiencies in supplier selection which have an impact on the availability of raw materials, product quality, and timeliness of delivery. Therefore, a decision support system was designed to help Baking Daily Store in choosing the best supplier objectively, quickly, and accurately. This system applies the Simple Additive Weighting (SAW) method to perform calculations and assessments based on predetermined criteria. The result of this system development is a desktop-based application using the Java programming language, which is expected to help management in making decisions in a more measurable and structured manner.
Sistem Pendukung Keputusan Pemilihan Karyawan Terbaik pada PT. Dinda Holding Company (DHC) Menggunakan Metode Simple Additive Weighting (SAW) Bintang Dea Apriliansyah; Aan Risdiana; Achmad Birowo
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.914

Abstract

The problem faced by PT. Dinda Holding Company (DHC) is that it has difficulty in determining the best employees from a number of employees with varying performance qualities. Until now, the selection process has been carried out manually, taking into account the subjective assessments of the owner or store manager, without a structured evaluation system. As a result, employee selection tends to be inconsistent and leads to dissatisfaction among both employees and the business owner. Additionally, selected employees do not always demonstrate optimal performance, which impacts service quality and the operational sustainability of the store. Therefore, a decision support system was designed to assist PT. Dinda Holding Company (DHC) in selecting the best employees objectively, quickly, and accurately. Employees are human resources used as a driving force in the business operations of a company. The company faces the challenge of maintaining its competitive edge, which requires data on the performance of employees with good performance. This system applies the Simple Additive Weighting (SAW) method to perform calculations and evaluations based on predetermined criteria. The result of this system development is a desktop-based application using the Java programming language and a MySQL database, which is expected to assist management in making more measurable and structured decisions.
Sistem Pendukung Keputusan untuk Pengalokasian Dana Bantuan di Kelurahan Kebagusan dengan Metode Simple Additive Weighting (SAW) Indah Febriyanti; Aan Risdiana; Achmad Birowo
Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 3 No. 3 (2025): Juni: Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v3i3.915

Abstract

The problem faced by Kelurahan Kebagusan is that there is no structured system in determining the allocation of aid funds to the community, so the distribution process is often uneven and less targeted. So far, the determination of aid recipients is only based on subjective observations and manual assessments that have the potential to cause ineffectiveness in decision making. Therefore, a decision support system was designed to assist the kelurahan in prioritizing beneficiaries objectively and transparently. This system uses the Simple Additive Weighting (SAW) method, which allows the assessment process to be carried out based on the weights of several predetermined criteria, such as economic conditions, number of dependents, employment status, and home ownership. The result of this system development is a desktop-based application using the Java programming language, which is expected to help the kelurahan in managing data and performing calculations quickly and accurately, so that the allocation of aid funds can be more targeted and fair. Keywords: Decision Support System, Simple Additive Weighting, Fund Allocation, Kebagusan Village.

Page 15 of 29 | Total Record : 286

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