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Muhammad Ghalih
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International Journal of Research in Vocational Studies (IJRVOCAS)
Published by Yayasan Ghalih Pelopor Pendidikan
ISSN : 27770168     EISSN : 27770141     DOI : https://doi.org/10.53893/ijrvocas.v1i1
Core Subject : Economy, Science, Education, Social, Engineering,
Aerospace Engineering Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other
The International Journal of Research in Vocational Studies (IJRVOCAS) is a double-blind peer-reviewed journal. This journal provides full open access to its content on the principle that making research freely and independently available to the science community and the public supports a greater global exchange of knowledge and the further development of expertise in the field of vocational education and training (VET). IJRVOCAS is since the beginning independent from any non-scientific third-party funding. The establishment of the journal was supported between 2015 and 2016 with grants from the Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation). All members of IJRVOCAS work on an honorary basis. The journal is hosted by Ghalih Publishing and the publishing house of the Ghalih Academic. Scope IJRVOCAS covers all topics of VET-related research from pre-vocational education (PVE), initial vocational education and training (IVET) and career and technical education (CTE) to workforce education (WE), human resource development (HRD), professional education and training (PET) and continuing vocational education and training (CVET).
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 242 Documents
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Tourism Innovation Based on Virtual Ecotourism Technology at Tangkahan Ecopark Destiadi, Rezha; Chan, Andi Supriadi; Hasibuan, Annalisa Sonaria
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 4 No. 4 (2024): IJRVOCAS - Special Issues - International Conference on Science, Technology and
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v4i4.382

Abstract

Saving the environment or nature conservation as a journey is an activity that has become an option for developing tourism. Tangkahan Ecopark is one of the tourist attractions in the interior that is engaged in sustainable tourism and increasing ecological and recreational values. This research is limited to the observation area, namely the Tangkahan Ecopark Area. This research produces an implementation design based on virtual reality ecotourism technology in Tangkahan Ecopark tourism using a mixed method through an MDLC development design, data analysis based on the results of interviews, observations and literature studies. The output must be a tourism design model based on virtual ecotourism technology and Intellectual Property from the virtual technology device.
Worker Safety Monitoring System in the Telecommunications Industry Based on the Internet of Things Rusdi, Muhammad; Yuvina; Hulu, Fitria Nova; Daulay, M. Sukri Habibi; Wirasari, Riza Ria
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 4 No. 4 (2024): IJRVOCAS - Special Issues - International Conference on Science, Technology and
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v4i4.383

Abstract

Occupational Health and Safety (OHS) is a protective measure aimed at ensuring workers remain safe and healthy while performing their duties in the workplace. OHS planning aims to create a comprehensive occupational safety and health management system within the workers' scope. The telecommunications industry is one of the sectors that implements OHS principles. Workers in the telecommunications industry face higher occupational accident risks due to direct interaction with heavy objects, sharp materials, electricity, and working at heights. This research aims to design a smart helmet prototype integrated with the Internet of Things (IoT) to monitor safety for telecommunications industry workers. The system to be developed consists of a PPE (Personal Protective Equipment) helmet equipped with an IoT system. The PPE helmet is integrated with an ESP32 microcontroller, LDR sensor, gyroscope sensor, and GPS module, utilizing wireless transmission media connected to an IoT Cloud server that links the microcontroller system with users. The designed system can monitor whether workers are wearing helmets properly, and monitoring results are transmitted in real-time via Telegram, enabling early warnings if potential hazards threaten workers. The research will be tested at PT. Mitra Globalindo Nusantara, a company engaged in fiber optic telecommunications construction. From the discussion results, it was found that the IoT-based safety monitoring system for telecommunications industry workers using LDR sensors, gyroscope sensors, GPS modules, and Telegram monitoring was successfully designed and implemented as a well-functioning prototype. The Telegram application successfully sends notifications regarding the worker's safety condition, including alerts when the helmet is not worn, tilted, or has fallen. The response time for sending and receiving notifications via Telegram was recorded between 1.5 to 2.2 seconds, which is considered acceptable for real-time monitoring systems.
Control System Design for 3 Storey Elevator Using PLC OPTA FINDER Suparmono; Sitepu, Trahman; Salman, Aulia; Pardede, Sutan; Cholish; Abdullah; Nofri, Irfan
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 4 No. 4 (2024): IJRVOCAS - Special Issues - International Conference on Science, Technology and
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v4i4.384

Abstract

Elevators are a crucial vertical transportation system in multi-story buildings, and the use of an appropriate control system can enhance operational efficiency, comfort, and safety. This study aims to design a control system for a 3-floor elevator using a Programmable Logic Controller (PLC) OPTA FINDER, which offers advantages in flexibility and ease of programming. The design process involved creating a control system schematic, programming with ladder diagrams, and testing on a small-scale elevator model. The test results demonstrated that the system could operate the elevator with fast and accurate response in detecting floor positions, controlling automatic doors, and responding to emergency conditions. Furthermore, the PLC OPTA FINDER proved reliable in managing elevator system components and facilitating program modifications without requiring hardware changes. This control system also contributes to energy efficiency through optimized motor speed regulation. Thus, the implementation of the PLC OPTA FINDER provides an effective and safe solution for modern elevator control systems.
Motor Speed Control Sensor Using Hall Effect Sensor Based on IoT Zumhari; Mardiana; Hasnita, Ulfa
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 4 No. 4 (2024): IJRVOCAS - Special Issues - International Conference on Science, Technology and
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v4i4.385

Abstract

A device will be designed as a DC motor rotation speed controller using a hall sensor based on Esp 32. Broadly speaking, this device consists of a DC motor, hall sensor, microcontroller and driver. The purpose of this design is to control the speed of the DC motor by pulse width regulation (PWM) method. The way this tool works is that the microcontroller is programmed to compare the motor rotation speed detected by the hall sensor to the input motor rotation speed and the display data will be displayed in real time via Android or PC. Thus the rotation speed of the DC motor can be controlled as expected. For this reason, this rotation speed control tool can be used for certain purposes, for example in the control process in the industrial world.
Automation and Monitoring of Hydroponic Cultivation with Solar Panel Optimization Integrated Internet of Things Abdullah; Putri, Maharani; Rusdi, Muhammad; Cholish
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 4 No. 4 (2024): IJRVOCAS - Special Issues - International Conference on Science, Technology and
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v4i4.394

Abstract

Limited land is one of the problems in plant cultivation. Hydroponic cultivation is a solution to this problem. This research aims to develop an automation and monitoring system for hydroponic cultivation that utilizes energy from solar panels and is integrated with the Internet of Things (IoT). This system is designed to increase the efficiency of energy use and simplify the monitoring and management of hydroponic plants. Solar panels are used as the main energy source to support the operation of IoT devices and automation systems, including water pumping and lighting. Through IoT integration, data related to environmental conditions such as temperature, humidity, and light intensity can be accessed in real-time through a web-based application. System tests show that this technology is able to provide accurate data and improve energy efficiency, as well as assist farmers in monitoring and managing crops more effectively. The results of this research show the potential of using IoT technology and renewable energy in modern agriculture, especially in hydroponic cultivation systems.
Analysis of Concrete Compressive Strength by Adding Plastic Waste as an Additional Material Mixed in Cement for Manufacturing Pavling Blocks Anggraini, Irene; Purnama, Ikhwan Arief; Hafiyyan, Qalbi
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 5 No. 1 (2025): IJRVOCAS - April
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v5i1.334

Abstract

In daily life, plastic waste feels very close to us as humans. This type of waste is very difficult to decompose,which significantly disrupts both life on land and in the ocean. In this study, the use of heated plastic waste as an additive incement mixtures for making paving blocks is still rarely explored. The aim of this research is to examine the impact of usingplastic waste as an additive in cement mixtures. Additionally, the use of plastic waste as an additive in cement is based on theidea that plastic waste can be transformed into something useful to reduce the troubling amount of plastic waste. For this purpose,this study employs both the Literature Review Method and the Experimental Method to determine how the addition of plasticwaste in paving block mixtures affects the compressive strength of the paving blocks. In this study, plastic waste will be used asan additive to cement with the following compositions: 0% (ordinary concrete), 2.5%, 5%, and 7% of the cement weight. Theresults showed that paving blocks with a 2.5% plastic mixture achieved the highest compressive strength of 26.2 MPa at 21 days,while the highest water absorption was observed in the 5% plastic mixture, with a value of approximately 6.14%. Overall, thetotal strength exceeded the planned compressive strength of 20 MPa based on the SNI 03-0691-1996 standard, making it suitablefor road use with a B quality grade.
Literature Review: Study on the Utilization of Solar Power Plants (PLTS) as an Effort to Increase Electricity Access in Rural and Remote Areas Firdiansyah; Putra, Asri Eka; Rusdianasari
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 5 No. 1 (2025): IJRVOCAS - April
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v5i1.352

Abstract

The abundant potential of solar energy in Indonesia needs to be utilized effectively, especially by houses in areas that do not have electricity. This study aims to discuss solar power generation systems for households without access to electricity in rural and remote areas. The method is a literature review to review relevant studies related to solar power plants in rural and remote areas. The results found that the use of PV can increase access to electricity in remote or rural areas, that can increase the Electrification Ratio and Electrified Village Ratio in an area, increase the role of renewable energy (RE), and reduce GHG (Green House Gas) emissions. It is necessary to pay attention to the provision of initial investment costs, research and development, training and capacity building of human resources, and control over product quality.
Literature Review: A Comparative Analysis of Cooling Methods for Enhancing Solar Panel Efficiency Syahrian, Nur Mutiara; Faroja, Anas; Rusdianasari
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 5 No. 1 (2025): IJRVOCAS - April
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v5i1.364

Abstract

Overheating can significantly reduce the efficiency and power output of solar panels, leading to the development of various cooling techniques. This paper compares four cooling methods: heatsink with fan, fin heatsink, water cooling, and floating solar panels. The study evaluates these methods based on temperature reduction, cooling efficiency, electrical performance, and practical considerations. Active systems, like water cooling and heatsink with fan, showed higher performance improvements but required more resources and were more complex to operate. On the other hand, passive systems such as fin heatsink, and floating panels offered simpler and more sustainable solutions with moderate efficiency gains. This review highlights the balance between efficiency, sustainability, and practicality, providing valuable insights for choosing the best cooling method for solar panels. The findings also point to future opportunities for advancements through hybrid systems and new materials to enhance performance and sustainability in solar energy systems.
Literature Review: A Study on Efficiency Enhancements, Comparative Analysis of TiO2 and ZnO-Based Dye-Sensitized Solar Cells Suyadi, M. Ilham Andri; Saputra, Yureski Belly; Rusdianasari
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 5 No. 1 (2025): IJRVOCAS - April
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v5i1.370

Abstract

Dye-Sensitized Solar Cells (DSSCs) have garnered significant attention due to their cost-effectiveness and potential for sustainable energy applications. TiO2 and ZnO nanostructures are widely employed as photoanodes, given their unique optical and electronic properties. This paper compares the findings of ten studies with similar research scopes, highlighting enhancements in DSSC efficiency using modified TiO2 and ZnO. Results are presented through comparative analysis and graphical representations, focusing on energy conversion efficiency. Through a detailed comparative analysis, this research identifies key trends and material innovations for advancing DSSC technology. Currently from these studies TiO2 with synthesis dye still hold the highest efficiency compared to ZnO and Synthesis TiO2/ZnO nanocomposite whether using synthesis and natural dye and by using counter electrode of Mg and Fe in TiO2 based have the least efficiency. DSSCs efficiency still lower than silicon based and thin-film solar cells but have the potential to be the cheapest solar cells. DSSCs need to improve efficiency to be able to go to marketplace and it needs further research and combination of dye and counter electrode or even the new breakthrough.
Business Architecture TOGAF ADM Case Study: Desa Bungin Office Sister, Maya Gian; Hikmah , Maulida; Imelda
International Journal of Research in Vocational Studies (IJRVOCAS) Vol. 5 No. 1 (2025): IJRVOCAS - April
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijrvocas.v5i1.386

Abstract

Desa Bungin, located in the Paringin Selatan District of Balangan Regency, has begun adopting information technology to enhance administrative activities. However, administrative management at the Desa Bungin Office still faces several challenges, including manual record-keeping, reliance on hard-copy archives, and dependence on a centralized system without an integrated information system. These limitations result in inefficiencies in time management, an increased risk of errors, and obstacles to providing optimal administrative services to the community. To address these issues, this study proposes an enterprise architecture framework to align business functions with information technology needs. The TOGAF ADM approach is employed as a structured methodology for developing an integrated architectural blueprint. This study focuses on three key phases of TOGAF ADM: the Preliminary Phase, Architecture Vision, and Business Architecture, with a strong emphasis on Business Architecture design. Business Architecture plays a crucial role in structuring and analyzing business processes, identifying key actors, and understanding interactions within the organization. This research examines essential elements such as workflows, resources, and inter-process relationships. The findings present a well-structured Business Architecture model that serves as the foundation for developing a comprehensive Enterprise Architecture. This framework is expected to enhance efficiency, streamline administrative processes, and support the digital transformation of Desa Bungin’s governance.

Page 21 of 25 | Total Record : 242

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