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International Journal Science and Technology (IJST)
Published by Asosiasi Dosen Muda Indonesia
ISSN : 28287223     EISSN : 28287045     DOI : https://doi.org/10.56127/ijst.v1i2
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering
International Journal Science and Technology (IJST) is a scientific journal that presents original articles about research knowledge and information or the latest research and development applications in the field of technology. The scope of the IJST Journal covers the fields of Informatics, Mechanical Engineering, Electrical Engineering, Information Systems and Industrial Engineering. This journal is a means of publication and a place to share research and development work in the field of technology.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 9 Documents
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Search results for , issue "Vol. 1 No. 3 (2022): November: International Journal Science and Technology" : 9 Documents clear
COMPARATIVE STUDY OF WASTE MOISTURE CONTENT DRYING METHOD BETWEEN HOT AIR BLOWING METHOD AND BOILING METHOD IN A HEATED ROOM Ichsan Purnama; Sari, Sri Poernomo; Kuncoro, Heru
International Journal Science and Technology Vol. 1 No. 3 (2022): November: International Journal Science and Technology
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijst.v1i3.235

Abstract

This waste problem can be used as new and renewable energy in the form of Refuse Derived Fuel (RDF) fuel. Due to its relation to energy, the calorific value of garbage becomes an important parameter. Water content is one of the important parameters that determine the calorific value. If the moisture content of the waste is high, then the energy needed for drying and destruction through combustion is also high, so a process of reducing the water content in the waste is needed. The drying mechanism is the most important part of the drying technique because by knowing the drying mechanism, it can be estimated the amount of energy and the need for the optimum air mass for drying. This study is to evaluate the needs of air masses, the amount of drying energy needed, then a comparison of drying calculations using the Relative Humidity dryer method through air media is heated by drying using the evaporation method through boiling by heating the walls of the drying room. The energy required in the Relative Humidity dryer method through a heated air medium is not only to heat the moisture content until it can evaporate but energy is also needed to heat the air from the initial temperature of heating the dryer air to the temperature out of the dryer. In addition, the amount of air needed to carry water vapor is very large. Based on the results of the discussion and calculations of each drying method to reduce the mass of water content in wet waste that has been carried out, it can be concluded that the drying method by evaporating the moisture content by heating the drying chamber is more efficient because it requires less energy than the method of blowing heated air.
FORCED ANALYSIS POCESS OF REED ROLL THREAD FOR SPARK PLUG Muhammad Yusuf Nurfani
International Journal Science and Technology Vol. 1 No. 3 (2022): November: International Journal Science and Technology
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijst.v1i3.329

Abstract

Spark plug is component or device of internal combustion engine (ICE) for make a compression and transfer energy to vehicle. Component of spark plug is center electrode, gasket, hexagon, insulator, corrugation, and terminal nut, the all component will assembly for internal combustion engine component. Thread is a critical component for connection spark plug and engine. the key of perfect thread is reed roll process when the motor makes a shell of part, the forced and rpm should be stable and do not over force for eliminate failure part. This study will discuss of forced analysis on thread and structure analyze from material spark plug after process. The result show in this case useing 2000 rpm and force 197,8N. Based on spot test material after threading, no any crack finding, only black dot due processing. Tortion test after assemblu 5 Kgf, for the lowest sample 1 is 8 Kgf, middle is sample 2 is 12 Kgf, and the bigger is 13 Kgf for sampling test. Igintion on sprak plug are normaly for ignition voltage lower is 13,3 kV, middle 15,3 kV, high 17,5 kV, and average is 15,3kV.
CONTROLLING COMFORTNESS OF BIG PRODUCTION BUILDINGS IN TROPICAL REGION FACTORIES BY PROPER FAN ARRANGEMENT Rudi Irawan; Dena Hendriana
International Journal Science and Technology Vol. 1 No. 3 (2022): November: International Journal Science and Technology
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijst.v1i3.332

Abstract

A production building is one of important buildings in a factory. A lot of factories in Indonesia are still considered labor intensive factories. People need a convenient place to work to produce quality products. A discomfort workspace condition for workers often causes not only poor productivity but also poor quality of product. Therefore, it is important to create healthy working environment for workers. Air comfort is determined at least by five factors that are temperature, relative humidity, oxygen content, air pressure and air flow. Common working space in a production building is a huge space, so it is almost impossible to apply air conditioner system to such a big space due to too high investment cost and operational cost and economically unfeasible. In tropical region, oxygen content, air pressure and air flow can be controlled by letting the fresh air from outside to enter the building. Air movement will also lower temperature sensation on human skin. Commonly in factories, the managements equip the factories with fans to improve air comfort in the production building. However, this current research found that improper fan system configuration and direction does not help to improve air comfort and even worsens the air condition because the air movement blown from improper fan configuration and direction can cancel each other and trap the heated air recirculated inside the building. This research found that arranging the fans in one direction will poster air movement from one end to the other end of building as well as keep the fresh air entering building from one side and the used air exiting the building through the other side. Because a fan is not a cooling device, the air temperature inside the building similar to that of fresh air, but the air movement pushed by the fans will reduce temperature sensation on human around 2 0C.
IRON SHOP SENTOSA E-COMMERCE WEBSITE APPLICATION USING PHP AND MYSQL Nurdiyanto Yusuf; Dwi Kartinah; Dewi Andryani
International Journal Science and Technology Vol. 1 No. 3 (2022): November: International Journal Science and Technology
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijst.v1i3.452

Abstract

Information technology is an important part of human life and cannot be separated. Activities in interacting, communicating, and transacting are no longer limited by space, distance, and time. Today's website development is no longer an obstacle that is difficult to obtain. Many various websites were created, for example, a sales website (Marketplace). Marketplace is used as an intermediary between sellers and buyers. With a sales website, it makes it easier for consumers to buy goods without having to come to the store directly. The purpose of scientific writing is to make it easier for owners to provide information and to promote and sell existing products in the online store Iron shop to provide information and promote the sale of new products. only done by selling offline and customers have to come directly to the store, but with the covid-19 pandemic the store was forced to temporarily close in order to limit physical contact between sellers and buyers. Looking at these conditions, the creation of the Sentosa Iron Shop website online is the right solution and this application has been successfully created so that businesses can still run in the midst of the Covid 19 pandemic.
DESIGN AND ANALYSIS OF THE FRAME STRENGTH OF WASTE TRANSPORTING MACHINE USING SOLIDWORKS Abdul Rahman Agung Ramadhan; Abdul Muchlis; Ibnu Fajar Ridha Ghanni
International Journal Science and Technology Vol. 1 No. 3 (2022): November: International Journal Science and Technology
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijst.v1i3.486

Abstract

Garbage is a problem of concern worldwide. Public awareness in disposing of waste that is not in its place causes various kinds of problems, one of the problems that occurs is in rivers or artificial canals. This is what makes many people create tools to make it easier to control improper waste disposal. One of the tools that was created was a garbage collector, in making the design of a garbage collection machine using solidworks software, Galvanized Steel material was used with a rod size of 30 x 30 x 2.6 (mm) as the frame. With a frame size of 1320 mm in length, 790 mm in width and 1133 mm in height. The results of the simulation using solidworks software on the frame of the garbage collection machine are to get the von misses stress value with a maximum stress value (MPa) and a minimum stress value of (MPa), for the displacement value with a maximum stress value of 0.61 mm and for a minimum stress value of 0.00 mm, the safety factor gets a value of 3.55 ul. In the comparison of solidworks and theoretical software values, the value for von misses stress is 0.04%, for displacement is 0.24%, and for safety factor is 0.20%.
CONCEPTUAL AUDIT ECOSYSTEM FOR INDONESIA ELECTRONIC-BASED GOVERNMENT SYSTEM Hari Setiabudi Husni
International Journal Science and Technology Vol. 1 No. 3 (2022): November: International Journal Science and Technology
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijst.v1i3.519

Abstract

In the Presidential Regulation of the Republic of Indonesia Number 95 of 2018, the consideration section states that to realize clean, effective, transparent, and accountable governance and quality and reliable public services are required electronic-based government system (EBGS) and to improve the integration and efficiency of electronic-based government system is required governance and management of electronic-based government system nationally. EBGS general design has a variety of infrastructure and application needs to be used by central and local governments. This research was conducted to analyze the terms and needs of an ecosystem of electronic-based government system audits so as to achieve EBGS utilization integration and efficiency nationally. The research looks specifically at the implementation of audit process in the presidential regulation from the point of view of human resources, audit management and audits supporting infrastructure needed by the audit ecosystem to be able to run. The analysis will be conducted, among others, comparing the implementation stages by the government with the ideal design as stated within the literature, conducting interviews and disseminating questionnaires to audit ecosystem stakeholders (policy makers, policy supervisors, implementors activities and audit objects operators), the results of gap analysis between existing conditions and the ideal concept of ecosystem will be examined further to produce suggestions for improvement and development to ensure the formation of audit ecosystem mandated perpres 95/2018 is achieved.
CONSTRUCTION DESIGN FOR 4.5 BAR WATER TUBE TYPE BOILER USING SOLIDWORKS 2018 SOFTWARE Ariyanto Ariyanto
International Journal Science and Technology Vol. 1 No. 3 (2022): November: International Journal Science and Technology
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijst.v2i1.557

Abstract

Distillation or simple distillation uses the principle of separating two or more liquids based on differences in the boiling points of each component. The distillation process itself has two main stages, namely the evaporation stage and the condensation or condensation stage. Therefore, distillation equipment uses a heating device in the form of a boiler and a cooler in the form of a heat exchanger. In the refining process, the heart of the distillation system lies in the boiler as a steam producing component. Therefore, the effectiveness of the boiler to produce saturated steam greatly determines the results of the refining process. To determine the power of the boiler, it is necessary to analyze the Boiler simulation calculations which include Von misses, displacement and safety factor simulations. The simulation is carried out at a pressure of 4.5 Bar which produces a Von misses max value. of 3.444 MPa, with the highest displacement value of 0.002 mm and the smallest value of 0 mm, and produces a safety factor value of 75. With this safety factor value, it can be said that the frame construction is safe.
Enhancing Cybersecurity in Edge AI through Model Distillation and Quantization: A Robust and Efficient Approach Mangesh Pujari; Anshul Goel; Ashwin Sharma
International Journal Science and Technology Vol. 1 No. 3 (2022): November: International Journal Science and Technology
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijst.v1i3.1957

Abstract

The rapid proliferation of Edge AI has introduced significant cybersecurity challenges, including adversarial attacks, model theft, and data privacy concerns. Traditional deep learning models deployed on edge devices often suffer from high computational complexity and memory requirements, making them vulnerable to exploitation. This paper explores the integration of model distillation and quantization techniques to enhance the security and efficiency of Edge AI systems. Model distillation reduces model complexity by transferring knowledge from a large, cumbersome model (teacher) to a compact, efficient one (student), thereby improving resilience against adversarial manipulations. Quantization further optimizes the student model by reducing bit precision, minimizing attack surfaces while maintaining performance. We present a comprehensive analysis of how these techniques mitigate cybersecurity threats such as model inversion, membership inference, and evasion attacks. Additionally, we evaluate trade-offs between model accuracy, latency, and robustness in resource-constrained edge environments. Experimental results on benchmark datasets demonstrate that distilled and quantized models achieve comparable accuracy to their full-precision counterparts while significantly reducing vulnerability to cyber threats. Our findings highlight the potential of distillation and quantization as key enablers for secure, lightweight, and high-performance Edge AI deployments.
Ethical and Responsible AI in the Age of Adversarial Diffusion Models: Challenges, Risks, and Mitigation Strategies Tejaskumar Pujari; Anshul Goel; Deepak Kejriwal
International Journal Science and Technology Vol. 1 No. 3 (2022): November: International Journal Science and Technology
Publisher : Asosiasi Dosen Muda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56127/ijst.v1i3.1963

Abstract

The rapid pace of diffusion models in generative AI has completely restructured many fields, particularly with respect to image synthesis, video generation, and creative data enhancement. However, promising developments remain tinged with ethical questions in view of diffusion-based model dual-use. By misusing these models, purveyors could think up deepfaked videos, unpredictable forms of misinformation, instead outing cyber warfare-related attacks over the Internet, therefore aggravating societal vulnerabilities. This paper explores and analyzes these potential ethical risks and adversarial threats of diffusion-based artificial intelligence technologies. We lay out the basis for good AI-the notion of fair, accountable, transparent, and robust (FATR) systems-discussing efforts underway to mitigate these ethical risks through watermarking, model alignment, and regulatory mechanisms. Thus, from the dialogue with ethical viewpoints, also touching upon cybersecurity, military policy, or governance, we present a conceptual model to encapsulate probable ethical considerations in the development and deployment of diffusion models. Human-centered values need to be advanced by a proactive convergent bonding among researchers, decision-makers, and civil society players during the strengthening of a tributary of generative AI's power.

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