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International Journal Engineering and Applied Technology (IJEAT)
Published by Universitas Nusa Putra
ISSN : -     EISSN : 26209632     DOI : 10.52005
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Mechanical Engineering
IJEAT publishes original papers only and the submission of a manuscript will be taken to imply that the contributions are original and that no similar manuscript has been or is being submitted to other journals. Manuscripts are solicited from all areas of specialization in engineering. IJEAT is an international and multidisciplinary journal. The major goal of the journal is to communicate advances in engineering and applied technology, with a particular preference to Asia, to researchers, practicing engineers and decision makers of developing countries. IJEAT publishes peer-reviewed research papers (both theoretical and applied) and state-of-the-art reviews related to Engineering and technology. The scope of the journal includes mechanical engineering, civil engineering, industrial engineering, electrical engineering, power engineering, environmental engineering, postharvest technology, food technology, biotechnology and emerging technologies. Subjects of basic engineering and science such as instrumentation, machinery design, human factor and ergonomics, global warming, renewable energy, climate change, terramechanics and new materials are also included in the scope of IJEAT.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 64 Documents
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STRUCTURAL ANALYSIS OF WASTE SEPARATION MACHINE FRAME USING FEA METHOD Fathur Rohman; Dani Mardiyana; Fabrobi Ridha; Satish Kumar Damodar
INTERNATIONAL JOURNAL ENGINEERING AND APPLIED TECHNOLOGY (IJEAT) Vol. 6 No. 1 (2023): May 2023
Publisher : Nusa Putra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/ijeat.v6i1.80

Abstract

Waste has become a significant problem that requires significant management. Automatic waste separator machine technology has been developed by many countries to help with waste management efficiency. The working principle of the automatic waste separator is to separate the types of organic and non-organic waste. In making the machine frame, this must be taken into account carefully. Here the Autodesk Inventor 2021 application is used to analyze the strength of the frame of an automatic garbage separator. In the frame strength analysis simulation, the type of material used is ASTM A36 Steel with a U-shaped iron plate profile with a thickness of 6 mm. The total load on the frame is 284.5 kg. The static simulation results show that the maximum von misses stress is 138.285 MPa with a maximum displacement of 16.28 mm. while the value of safety factor is 1.4 ul. Based on the results of the simulation analysis, the value of the safety factor is included in the value range (1.25 -2.0) and the value of von misses ≤ 200 MPa (Modulus of elasticity) for ASTM A36 material, which means that the frame design for the waste separator machine meets good safety standards.
MACRO VBA-BASED MAIL SERVICE ADMINISTRATION INFORMATION SYSTEM IN VILLAGES AND SATISFACTION ANALYSIS USING NAÏVE BAYES CLASIFICATION Dudih Gustian; A. Oktian Permana; Sihabudin; Lucas Crammer
INTERNATIONAL JOURNAL ENGINEERING AND APPLIED TECHNOLOGY (IJEAT) Vol. 6 No. 1 (2023): May 2023
Publisher : Nusa Putra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/ijeat.v6i1.81

Abstract

Based on the Law of the Republic of Indonesia Number 25 of 2009 concerning Services, public services must achieve good and clean governance, have less time discipline and tend to slow down the process, as well as a lack of professionalism from employees who are not responsible for their work. In addition to providing benefits and information to the village government, administrative services for research letters also affect quality and performance. The stages that will be carried out in this study include observation, interviews, and literature study from previous research. The Naïve Bayes classification method is used in this study, where the basic calculation is based on the probability of each attribute. If an attribute with a certain class has a value of zero, then the probability of that class will also be zero, and this will affect the final result of the Naïve Bayes calculation. Questionnaire result data is divided into 60% training data, 40% testing data, and 10% validation data. The evaluation results show an accuracy rate of 98.6% for training data, 100% for testing data, and 97.2% for validation data. The comparison shows that there is only a change of 2% after using the mail service administration information system
Design and Performance Analysis of OFFGRID PV mini-grid systemsSimulation PVSYST in Sukabumi, West Java, Indonesia Marina Artiyasa; Muhammad Natsir; Bahadir Ozsut
INTERNATIONAL JOURNAL ENGINEERING AND APPLIED TECHNOLOGY (IJEAT) Vol. 6 No. 1 (2023): May 2023
Publisher : Nusa Putra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/ijeat.v6i1.82

Abstract

Indonesia is a tropical country whose sunlight always shines because it is at the equator, but unfortunately its abundant potential is underutilized, therefore here we want to make a 5MW PLTS research which includes PLTS for small industries using PVsyst simulation, located in Cibolang Kaler, Kab Sukabumi, West Java. With PVsyst we can get an idea of how much it will cost, then meteo according to the location, the results of the energy obtained, loss diagrams of various kinds of losses, as well as various other parameters. From the results obtained to get PLTS 5 MW (5000000) W, with panels we need as many as 560 solar panels with a size of 415W, Li Ion batteries with a size of 180Ah as many as 4293 pieces and an overall cost of 43 billion more and will return the capital in 14.8 year
Optimization of Modeling Techniques for Economic Rstoration information systems after the Covid-19 pandemic by Simple Additive Weighting Muhamad Muslih; Dea Kris Sintiana Putri; Eneng Siti Nasiroh; Raziya Mutasim; Novohatko Elena Nivolaevna; Jelita Asian
INTERNATIONAL JOURNAL ENGINEERING AND APPLIED TECHNOLOGY (IJEAT) Vol. 6 No. 1 (2023): May 2023
Publisher : Nusa Putra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/ijeat.v6i1.83

Abstract

The Covid-19 pandemic had a major impact on the world economy, including Indonesia. Rp. 677.2 Trillion is prepared by the Indonesian government for the recovery of this condition by providing assistance to business actors. Then eligibility of beneficiaries based on certain criteria is a complicated process, the aid process has an opportunity to make inaccurate decisions because the process of determining aid is based on subjectivity. It is likely that the selected business actors do not achieve the standards desired by the government. For this reason, a decision support system was developed that could perform the calculation process against all the criteria for determining beneficiaries. The Simple Additive Weighting (SAW) method which can be used in determining the eligibility of beneficiaries as a decision support system for the government. Business actors who will be selected to be eligible aid recipients have the criteria that have the highest ranking value that hasm been determined. The criteria needed are the criteria for not receiving people's business credit (KUR), the criteria for starting business capital, the criteria for having business information (SKU) and the criteria for not being a civil servant. Due to the large number of business actors who received this assistance, it made it difficult for the government to mminimize errors in providing assistance, so that quite a number of business actors received this assistance but did not comply with government criteria. The final results of this study found that the decision support system with the SAW method problem in determining the provision of method can produce the largest value with a weight of 1.00 which is selected as an alternative "Acceptable" and the smallest value is chosen as an alternative " Not Eligible to Receive "assistance with a calculation result of less than 0.500.
Analysis of The use of Proteus Software as a Practical Learning Support Arif, Arif Rakhman Suharso; Akhmad Nuriyanis; Ario Hendartono; Evi Sirait; Fajar Sari Kurniawan; Candra Oktyasari Putri
INTERNATIONAL JOURNAL ENGINEERING AND APPLIED TECHNOLOGY (IJEAT) Vol. 7 No. 1 (2024): Mei 2024
Publisher : Nusa Putra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/ijeat.v7i1.96

Abstract

This research aims to increase understanding of electronics and control systems practicum using Proteus software and practicum directly using electronic components. Proteus software is used to complement the limited equipment in the electrical laboratory and control laboratory. Data was collected using the success rate of cadets in increasing their practical understanding of electronics and control systems courses using Proteus software to complete the practicum using electronic components and simulators in learning from 16 meetings and added with UTS and UAS. The use of Proteus software for practical activities is based on the need to improve cadet skills which is based on the fact that around 76% of cadets who take part in electronics and control systems practicum do not understand electronic circuits because the practicum only uses a simulator board so it needs to be combined with Proteus software to better understand the material involved. given. Apart from the limitations of electronic component equipment, Proteus software is used. The results showed that using Proteus software, 97% of cadets were able to take part in this learning, which had a positive impact on learning outcomes and cadet activities.
Design and Fabrication of Waste Destroying Incinerators for PT. Kujang Sakti Siliwangi Somantri; Anggy Pradiftha Junfithrana; Dani Mardiyana; Satish Kumar Damodar
INTERNATIONAL JOURNAL ENGINEERING AND APPLIED TECHNOLOGY (IJEAT) Vol. 7 No. 1 (2024): Mei 2024
Publisher : Nusa Putra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/ijeat.v7i1.99

Abstract

The rest of Cisaat Market's waste cannot be recycled by PT. Kujang Sakti Siliwangi is 2.4 tons per day while the Cimenteng TPA is almost over capacity. This causes market waste to increasingly accumulate, so a solution is needed, namely destroying waste using incinerators. The incinerator was designed using the ISO mechanical engineering drawing method using Autodesk Inventor software. The fabrication process uses methods of cutting material, welding, assembling/installing components, and painting all incinerator components. The test results are very satisfactory and the incinerator is suitable for operation because it is below the threshold according to Minister of Environment and Forestry Regulation No. 70 of 2016 concerning quality standards for emissions from businesses and/or thermal waste processing activities. The results of the Total Particulate value were 44.79 mg/Nm3, Sulfur Dioxide (SO2) was 175.70 mg/Nm3, Nitrogen Oxides (NOx) was 213.80 mg/Nm3, Hydrogen Chloride (HCl) was 5.27 mg/Nm3 , Mercury (Hg) of 0.000267 mg/Nm3, Carbon Monoxide (CO) of 85.04 mg/Nm3, Hydrogen Fluoride (HF) of 0.06 mg/Nm3.
Financial Analysis of 30.7 kW On Grid Rooftop PLTS in BLK Sukabumi Regency Marina Artiyasa; Ajat; Anang Suryana; Gina Syabani Yuda
INTERNATIONAL JOURNAL ENGINEERING AND APPLIED TECHNOLOGY (IJEAT) Vol. 7 No. 1 (2024): Mei 2024
Publisher : Nusa Putra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/ijeat.v7i1.101

Abstract

The use of solar energy as a solar power plant (PLTS) has increasingly developed and received attention in the last few decades. BLK Sukabumi Regency has a building roof that has the potential to be used as a rooftop PLTS, so it can reduce electricity bills. This research aims to financially analyze the integration of rooftop solar PV at the Sukabumi Regency Job Training Center (BLK). In this research, planning and design of a rooftop PLTS with a capacity of 30.7 kW was carried out using Canadian Solar 320 W solar panels and an ICA Solar 30 kW inverter. The analysis results show that the construction of this rooftop PLTS requires initial investment costs of IDR 300,000,000.00 with annual operational costs reaching IDR 35,278,070.00 and total operational and maintenance costs for 20 years reaching IDR 558,453,870.40. Apart from that, this project has a Net Present Cost (NPC) value of IDR 894,907,600.00 with a payback period of approximately 12 years. After integration with Rooftop PLTS, electricity tariffs succeeded in decreasing by around 30% from IDR 900/kWh to IDR 630.64/ kWh, with a reduction in energy costs from IDR 63,370,935.00/year to 30,615,359.59/year. Based on the results of this research, the relevant suggestions are: implementing a 30 kW rooftop PLTS in BLK Sukabumi Regency as a step towards more sustainable use of renewable energy; conduct further feasibility studies to find alternative components such as solar panels or inverters that are more economical without sacrificing system performance; and consider utilizing renewable energy in other locations on a larger scale, such as government buildings or large industries, to reduce dependence on fossil energy sources.
Analysis of Water Environment Quality Around Cikundul Landfill In Sukabumi City Risa Salsabila; Eneng Rahmi; Utamy Sukmayu Saputri; Nita Kurnita Sari
INTERNATIONAL JOURNAL ENGINEERING AND APPLIED TECHNOLOGY (IJEAT) Vol. 7 No. 1 (2024): Mei 2024
Publisher : Nusa Putra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/ijeat.v7i1.104

Abstract

Landfills are potential sources of water pollution from waste. Therefore, it is necessary to conduct research related to the quality of the aquatic environment around the Cikundul landfill in Sukabumi City to overcome the problem of water pollution. This research will be conducted in the Cikundul landfill environment with a focus only on the aquatic environment around the landfill. The method used in this research is descriptive qualitative. In this study, the subject of research is the quality of the aquatic environment around the Cikundul landfill in Sukabumi City. Meanwhile, the object of research is the Cikundul landfill in Sukabumi City. The results showed that the leachate water quality in Cikundul landfill for the last 3 years had TSS concentrations ranging from 100 - 548 mg/L, COD concentrations ranging from 106 - 1979 mg/L, BOD concentrations ranging from 35 - 171.3 mg/L. There was a decrease in water quality in the Lower Cipanegah and Lower Cimandiri rivers. This condition is thought to be due to the discharge of leachate that exceeds the quality standards into public waters and the habit of people around the river who dispose of their domestic waste directly.
Quality Assessment of Skincare Products with Simple Additive Weighting Approach to Detect Illegal Skincare Products Dudih Gustian; Ismi Nurhadianti Rusmana; Dede Sukmawan
INTERNATIONAL JOURNAL ENGINEERING AND APPLIED TECHNOLOGY (IJEAT) Vol. 7 No. 1 (2024): Mei 2024
Publisher : Nusa Putra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/ijeat.v7i1.105

Abstract

The increasing public need for skincare products encourages manufacturers to innovate in creating products that suit consumer needs. However, with easy access to information in the digital era, new problems have arisen related to the diversity of skincare products on the market, including the rise of fake products containing dangerous ingredients. This research uses the SAW method to evaluate the quality of skincare products based on predetermined criteria. With a large female population in Indonesia and significant growth in online sales of skincare products, this research contributes to helping consumers choose safe and effective skincare products. It is hoped that using the SAW method can identify or reduce the risk of using fake skincare which can endanger skin health and cause serious dermatological problems. Therefore, a thorough understanding of skincare and the use of analytical methods such as SAW are important in the consumer decision-making process
Effect of Different Admixtures on Mechanical Properties of Concrete Paving Block: A Comparative Study Asif Hossain; Md. Akhter Hossain
INTERNATIONAL JOURNAL ENGINEERING AND APPLIED TECHNOLOGY (IJEAT) Vol. 7 No. 2 (2024): November 2024
Publisher : Nusa Putra University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/ijeat.v7i2.110

Abstract

Ever since their introduction nearly a century ago, concrete paving blocks have become increasingly common. They evolved into an alternative to burned clay brick and natural stone. Concrete paving blocks are used to lay down areas for vehicles and pedestrians as well. Durability is one of the most crucial elements in the production of high-quality concrete paving blocks. The aim of this study is to optimize the mechanical properties of concrete paving block units by experimenting with different admixtures. Compressive strength, water absorption, oven dry density, and drying shrinkage are among the attributes that were evaluated. The cost of production was also contrasted with and without the use of an admixture to achieve a comparable compressive strength. The results showed that admixtures could be used to produce high early strength units, and this was considered to be an economical factor in the production of concrete paving block units. At all ages, the use of admixtures increased these units' compressive strength by 30–40%. Although they did slightly increase density, additives also decreased the absorption and drying shrinkage of concrete paving block units.

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