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Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Published by Asosiasi Riset Ilmu Teknik Indonesia
ISSN : 30315026     EISSN : 30313481     DOI : 10.61132
Core Subject : Science, Engineering,
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Engineering
Engineering Science Clump. include the sub-groups of Civil Engineering and Spatial Planning, Industrial Engineering, Electrical and Computer Engineering. The Research Journal of the Engineering Science Clump
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 326 Documents
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Aplikasi Pemilihan Program Bulking atau Cutting pada Tubuh Menggunakan Metode Extreme Programming Medyta Dwi Pratama; Lidya Wati
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 4 (2026): Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i4.1547

Abstract

This research discusses the development of an application-based Bulking and Cutting program selection system using the Extreme Programming (XP) methodology. The system is designed to assist users in determining appropriate Workout and nutrition programs based on personal data such as body weight, height, and daily activity level. The calculation of daily calorie needs uses the Mifflin-St Jeor formula, while the ideal body weight is calculated using the Broca formula. The results of these calculations are used to determine the user’s program category Bulking, Cutting, or maintenance with calorie adjustments according to each goal. The application was developed using Flutter for the user platform and Laravel as a web-based admin system that manages exercise movement data and nutritional information. Based on the testing results, the system can provide Workout and nutrition recommendations that match the user’s body condition and help users understand their daily calorie needs more easily and interactively.
Analisis Akurasi Pembacaan Arus Sistem EOCR-PLC pada Proteksi Motor Induksi Tiga Fasa Yeheskiel Dagi; Vina Manoppo; Fernando Soputan; Julianus Gesuri Daud; Arnold Rondonuwu; Stieven N. Rumokoy
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 4 (2026): Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i4.1548

Abstract

Current reading accuracy is an important factor in industrial automation systems because it affects the monitoring, control, and protection of three-phase induction motors. This study aims to analyze the accuracy of current readings in systems based on Electronic Over Current Relay (EOCR) and Programmable Logic Controller (PLC) by comparing the results of EOCR and PLC readings against a reference measuring instrument. The research method used is an experiment by varying the current through changes in the load resistance of a three-phase induction motor. The EOCR analog output signal of 4–20 mA is acquired by the PLC, then processed using the linear scaling method and displayed on the Human Machine Interface (HMI). The results show that the EOCR has an average error of 2.78%, while the PLC has an average error of 5.08%. In addition, the correlation analysis shows a coefficient of 0.994, which indicates a very strong relationship between the PLC readings and the reference measuring instrument. The results prove that the EOCR–PLC system is capable of monitoring the current of a three-phase induction motor in real time with a high level of satisfactory accuracy. Therefore, the proposed system can serve as an effective current monitoring solution and provide a basis for enhancing industrial motor protection and monitoring systems.
Perbandingan Biaya Pelaksanaan Struktur Gedung Pendidikan di Kota Tangerang Selatan terhadap Perubahan Harga Satuan Tahun 2024–2026 Ronni IS Rono Hadinagoro; Muhammad Syach Ryotama El Gifari; Muhamad Dhiaz Faiza; Vina Yulianti; Rieza Luthfi Athari
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 4 (2026): Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i4.1560

Abstract

This study analyzes the comparative construction costs of Building B at Universitas Terbuka, South Tangerang, based on changes in construction prices during the 2024–2026 period. The increasing variation in construction material prices and labor costs requires an evaluation of cost estimates to ensure accuracy and reliability in project budgeting. This research employed a descriptive quantitative method using secondary data, including the Bill of Quantities (BOQ), Detailed Engineering Design (DED), Technical Specifications (RKS), and Unit Price Analysis (AHSP) based on the Mayor of South Tangerang Regulations applicable for each year. The analysis focused on preliminary and structural works because these components represent the main contributors to the total construction cost. Based on the 2024 project data, the initial total cost of the structure of Building B at Universitas Terbuka was Rp91,784,683,449.13. After recalculation using the applicable unit price standards, the estimated costs increased to Rp116,844,402,168.21 in 2024, Rp135,894,331,891.19 in 2025, and Rp161,569,728,764.70 in 2026. The results indicate that fluctuations in unit prices significantly influence total construction costs. Therefore, periodic updating of price data is essential to improve the accuracy of cost estimation and support more effective construction cost management.
Mengoptimalkan Layanan dan Dukungan Situs Web untuk Kesuksesan Faktor-Faktor Kunci dari : (Studi Kasus Universitas di Indonesia) Fransiskus Wandy Syah; Eko Hadi Wahyono
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 4 (2026): Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i4.1568

Abstract

In the ever-evolving digital technology landscape, understanding the factors that contribute to the success of services and website support is essential for organizations looking to increase user engagement and achieve their goals. This study conducts a comprehensive analysis of the success factors that influence the effective use of services and website support. This study aims to see the extent of the benefits and sustainability of systems and services and website support in helping all stakeholders find solutions to the problems they face. The methodology in this study uses a quantitative method by distributing questionnaires to stakeholders. This study also uses the Delone and McLean model which will see the extent of the benefits obtained by using existing services and website support. So this study uses variables such as System Quality, Information Quality, Service Quality, Use, User Satisfaction, and Net Benefits as variables to measure the extent of the benefits of the services and website support. From the results of the existing research, it can be concluded that of the 9 variables, 8 of them have an effect on Use, User Satisfaction, and Net Benefits. And there is 1 variable that has no effect, namely System Quality to User Satisfaction. This means that there is still a need for system improvements from services and website support so that it can continue to be used by stakeholders. From the results of the research conducted, it is highly expected to pay attention to factors that can improve services and website support.
Integrating Circular Economy, Lean, and Financial Performance into Sustainable Fashion Retail Supply Chains: A Conceptual Framework Hauw-Sen Tan; Marvin Manuel Utomo; Henny Wirianata
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 3 (2026): Juni: Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i3.1569

Abstract

The fashion retail industry faces increasing pressure to achieve sustainability while maintaining operational efficiency and financial viability, particularly in supporting SDG 9 and SDG 12. Circular Economy (CE) supports waste reduction and lifecycle extension, while Lean improves operational efficiency; however, their integration with financial performance remains limited. This study develops a conceptual framework for sustainable fashion retail supply chains using a literature-based conceptual design approach. The framework integrates CE as an intervention layer, Lean as an operational governance layer, and Financial Performance as a validation layer consisting of profitability stability and reinvestment capability. The study contributes a system-level integration logic in which CE reshapes structure, Lean stabilizes execution, and financial performance validates economic feasibility.
Analisis Perbandingan Biaya dan Waktu Metode Konstruksi Modular dan Konvensional Menggunakan Microsoft Project Fredy Ekamaz; Isnaini Lilis Elviyanti; Titi Maemunah; Dwiyono Waluyo; Ahmad Aftah Syukron; Eko Priyanto; Imam Satibi
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 3 (2026): Juni: Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i3.1576

Abstract

The development of the construction industry requires building methods that are faster, more cost-efficient, and capable of delivering higher quality. Conventional construction methods are still widely used in building projects; however, they often face challenges such as longer construction durations, high labor requirements, and the risk of material waste. One alternative approach is modular construction, which can accelerate project execution, improve construction quality, and reduce both material waste and project costs. This study compares conventional and modular construction methods in the development of the building at Universitas Ma'arif Nahdlatul Ulama (UMNU) Kebumen using Microsoft Project for cost and schedule analysis. The results indicate that the estimated construction cost using the conventional method is IDR 1.322.412.000, while the modular method requires IDR 830.000.000. This represents a cost saving of IDR 492.412.000, equivalent to 37,24%, when using the modular method. In terms of project duration, the conventional method is estimated to require 120 calendar days, whereas the modular method requires only 40 calendar days. Consequently, the modular method reduces the construction duration by 80 days, achieving a time efficiency of 66,67%. The findings demonstrate that the modular construction method is more efficient than the conventional method for the construction of the UMNU Kebumen building in terms of both project cost and construction duration.
Pengaruh Metode Demonstrasi untuk Meningkatkan Hasil Belajar pada Materi Sistem Rem di SMK Muhammadiyah Lemahabang Dwi Jatmoko; Aci Primartadi; Anggita supriyani; Iqbal Sudrajat
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 3 (2026): Juni: Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i3.1597

Abstract

This study was motivated by the need to improve students’ learning outcomes in disc brake system material, which requires an integrated understanding of theoretical concepts and practical skills. The demonstration method provides students with concrete learning experiences through direct observation of components, working principles, and disc brake system inspection procedures. This study aimed to determine the improvement in learning outcomes among students taught using the demonstration method and conventional learning and to examine differences in learning outcome improvement between the two groups. A quantitative approach with a quasi-experimental method and a nonequivalent control group design was employed. The study involved 72 students in Grade XI of the Light Vehicle Engineering program at SMK Muhammadiyah Lemahabang in the 2025/2026 academic year, consisting of 36 students in the experimental class and 36 students in the control class. Data were collected through tests, observation, and documentation and analyzed using validity, reliability, normality, homogeneity, paired-sample t-test, independent-sample t-test, and N-Gain analysis. The results showed a significant improvement in the experimental class (p < 0.05), with an average N-Gain of 75.3266%, categorized as effective, compared with 37.9182% in the control class, categorized as less effective. The independent-sample t-test also indicated a significant difference between the two groups (p < 0.05). These findings demonstrate that the demonstration method is more effective than conventional learning in improving students’ learning outcomes in disc brake system material.
Pengaruh Substitusi Serbuk Cangkang Pala dan Plasticizer terhadap Kuat Tekan Beton Normal M. Ichwal; Jasman Jasman; Kasmaida Kasmaida; Muh. Jabir Muhammadiyah; Adnan Adnan
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 4 (2026): Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i4.1623

Abstract

The use of nutmeg shell biochar as a partial cement substitution is a strategic step in utilizing agricultural waste to create environmentally friendly concrete and reduce carbon emissions. This research employed an experimental method using 36 cylindrical test specimens measuring 15 x 30 cm. The mixture variations tested included normal concrete (0%) and the addition of nutmeg shell biochar at 2.5%, 5%, and 7.5% as a partial replacement for cement. The tests conducted covered slump tests and concrete compressive strength at 7, 14, and 28 days of age. The test results showed that the slump value increased from 80 mm in normal concrete to 84 mm, 87.67 mm, and 96.67 mm as the percentage of biochar increased, indicating an improvement in concrete workability. At 28 days of age, normal concrete yielded the highest compressive strength of 23.97 MPa, while the 2.5%, 5%, and 7.5% biochar variations produced compressive strengths of 17.17 MPa, 17.55 MPa, and 16.32 MPa, respectively. The 5% variation was identified as the optimum substitution because it provided the highest compressive strength among the biochar variations, reaching 73.22% of the normal concrete compressive strength. Overall, nutmeg shell biochar demonstrates significant potential as a partial cement substitution material to support sustainable and eco-friendly concrete construction.
Pemanfaatan Energi Panas dari Pembakaran Sampah untuk Menggerakkan Turbin Impuls dan Turbin Fan Kembuan Gilbert; Pomantow Vicky; Paul Marthen Rumagit; Djefry Paulus Hosang; Artian Sirun
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 4 (2026): Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i4.1626

Abstract

The escalating waste problem necessitates management alternatives that focus not only on reducing waste volume but also on utilizing waste as an energy source. This study employs a waste incineration system to evaluate two energy conversion mechanisms: an impulse turbine and a fan turbine. In the impulse turbine system, thermal energy from combustion generates pressurized steam directed at the turbine blades; test variables included the number of blades, blade angle, and steam pressure. In the fan turbine system, thermal energy and the flow of combustion gases drive turbine rotation, with variables including combustion temperature and the number of blades. Impulse turbine testing identified the optimal performance with a configuration of 10 blades, a 40° blade angle, and 2.5 bar pressure, yielding a rotational speed of 4,103 rpm, 6.2 V voltage, 4.1 A current, and 25.42 W power. For the fan turbine, the best results were achieved with a 3-blade configuration at 900°C, producing a flow velocity of 1.1 m/s, a rotational speed of 601 rpm, and a generator power output of 5 W. The findings demonstrate that a single waste incineration system can be utilized via two energy conversion pathways: steam for the impulse turbine and hot gas flow for the fan turbine.
Identifikasi Clash Detection pada Proyek Gedung Bertingkat Berbasis Building Information Modeling Era Agita Kabdiyono; Jalaludin Jalaludin; Rifaldi Adi Saputra Rosario Olsen; Rosario Olsen; M Abdul Aziz
Venus: Jurnal Publikasi Rumpun Ilmu Teknik  Vol. 4 No. 4 (2026): Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/venus.v4i4.1627

Abstract

High-rise building projects are highly complex because they involve the integration of structural, architectural, and mechanical, electrical, and plumbing (MEP) elements. One of the common problems in the planning stage is the occurrence of design clashes between building elements that are not detected early. Such clashes may lead to design discrepancies, rework, material waste, project delays, and potential cost increases during construction. Therefore, the implementation of Building Information Modeling (BIM) through clash detection is important to improve design coordination and minimize construction errors. This study aims to analyze the implementation of BIM-based clash detection in identifying design clashes in a high-rise building project. The research employed a model-based simulation approach through literature review, project data collection, BIM 3D modeling, clash detection, and classification of clashes among building disciplines. The clash detection process was carried out to identify conflicts between structural, architectural, and MEP elements.The results show that the BIM model was able to visualize the building components in detail and support the identification of interdisciplinary clashes. The detected clashes included conflicts between structure and MEP, architecture and MEP, structure and architecture, and wall elements with MEP components.

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