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All Journal Jurnal ELTIKOM : Jurnal Teknik Elektro, Teknologi Informasi dan Komputer JTERA (Jurnal Teknologi Rekayasa) INTEK: Informatika dan Teknologi Informasi TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol Jurnal Teknologi dan Manajemen Eksergi: Jurnal Teknik Energi Journal Of Artificial Intelligence And Software Engineering Journal of Global Engineering Research & Science (J-GERS) Journal Of Renewable Energy Engineering SNTE
Vresdian, Devan Junesco
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Other

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Analytical Design of the Number of Blade Propeller for Study of Aerodynamics Characteristics using Flow Simulation Vresdian, Devan Junesco; Hapsari, Anindya Ananda; Wilyanti, Sinka; Dionova, Brainvendra Widi; Pratama, Legenda Prameswono; Saleh, Yasya Khalif Perdana
JTERA (Jurnal Teknologi Rekayasa) Vol 8, No 2: December 2023
Publisher : Politeknik Sukabumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31544/jtera.v8.i2.2023.297-304

Abstract

The selection of an appropriate number of blades for a propeller is a critical factor in the design and performance of UAVs. This study aims to analyze aerodynamics. The analytical methodology employed in this research involves computational fluid dynamics (CFD) simulations using state-of-the-art software. A parametric study is conducted to evaluate the effect of different blade numbers on various aerodynamic performance metrics, such as dynamic pressure, static pressure, velocity, and force (Y). These simulations are carried out over a range of operating conditions, including varying airspeeds and altitudes. Our findings reveal that the number of blades significantly influences the aerodynamic characteristics of the propeller. Based on the CFD results, the type of propeller generates a different characteristic of aerodynamics. It will produce more static pressure, dynamic pressure, and velocity if we add the number of blades to it. But, with the CFD process we know that if we need to generate more force, especially in the (Y) axis as the representation of thrust on UAV, we need to consider using a propeller with a 2-blade or 4-blade that generates more thrust efficiently with 367.79 N and 450.59 N respectively rather than 3-blade or 5-blade. Because if the number of blades is added it will cost more pressure either on dynamic or static and velocity value but not following by force (Y) value. Using 200 the trajectories are enough to represent the aerodynamic characteristic produced by each type of propeller.
Design and Hardware Implementation of Buck Converter Solar Charge System Using PID Controller Widi Dionova, Brainvendra; Suryo Jati, Cahyo Wibisono; Wilyanti, Sinka; Restuasih, Sinta; Vresdian, Devan Junesco; Ikmal
Journal of Global Engineering Research and Science Vol. 1 No. 1 (2022): Journal of Global Engineering Research & Science
Publisher : Jakarta Global University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56904/jgers.v1i1.9

Abstract

Nowadays, energy sources in the world at the end until now tends to be filled using fossil fuels. It is estimated that the world energy consumption until 2025 is still dominated by fossil fuels, namely oil, natural gas and coal. The Ministry of Energy and Mineral Resources said that petroleum dominates 54% of energy use in Indonesia. One way to overcome the use of fossil energy sources is to replace them with renewable energy especially photovoltaic. Therefore, this paper presents solar charge system using Buck Converter PID Controller for Spotlight load. Buck Converter with PID Controller is used to produce a smaller and more stable output voltage from solar panels of 14.4 Volts for charging the battery. The PID parameter values ​​obtained after performing calculations using the Analytic Tuning method and tuning are Kp = 0.0307, ​​Ki = 58.20 and Kd = 0.000263. The expected result of this research is to design and implement a solar charge controller as a producer of electrical energy from environmentally friendly energy.
A Systematic Review of Drone Development and Innovation Helps Handling during a Pandemic and Its Challenges for Health Technology Hapsari, Anindya Ananda; Vresdian, Devan Junesco; Dionova, Brainvendra Widi; Zuhriyah, Halimatuz; Pratama, Legenda Prameswono; Islami, Agnemas Yusoep
Jurnal Teknologi dan Manajemen Vol. 22 No. 2 (2024): JURNAL TEKNOLOGI DAN MANAJEMEN (AUGUST)
Publisher : Politeknik STMI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52330/jtm.v22i2.246

Abstract

Abstract—These technological advances make researchers around the world develop many new things to support the harmony of life. Humans think a lot, including in terms of technology for the advancement of the times and to maintain life, as well as for handling the unprecedented outbreak of the corona virus that spread in the end of 2019, referred to as COVID-19 by the World Health Organization (WHO), and has put the whole world in a precarious position. The impact of the COVID-19 outbreak, which was witnessed only by Chinese citizens, has become a problem of great concern for almost every country around the world makes the COVID-19 outbreak is spreading tremendous fear, overburdened healthcare system has forced most countries around the world are in a state of partial or complete lockdown. Researchers have begun to develop studies in various fields to help control the virus. Technology is also forced to adapt and develop faster to deal with the existing situation. In response to this action, with this review paper we use trusted sources to present a detailed review of specific aspects related to technological developments during the COVID-19 pandemic, especially UAV or drone technology. In this study we explore the use of technologies such as Unmanned Aerial Vehicles (UAVs) or drones that are modified for handling pandemic situations, and how these technologies are also combined with other trending technologies such as the Internet of Things (IoT), Artificial Intelligence (AI), and 5G, among others, to help reduce their impact from the COVID-19 outbreak and the challenges for the post COVID-19 period. Where UAV technology can be modified and developed according to the needs of the pandemic and development for the post-pandemic and endemic period
Design of A Thermoelectric Generator for Battery Charging using Heat from A Steam Iron Base Sundari, Delta; Manfaluthy, Mauludi; Pratama, Legenda Prameswono; Dionova, Brainvendra Widi; Vresdian, Devan Junesco; Putri, Arisa Olivia; Al-Humairi, Safaa Najah Sahud; Mohammed, M. N.
Jurnal ELTIKOM : Jurnal Teknik Elektro, Teknologi Informasi dan Komputer Vol. 8 No. 2 (2024)
Publisher : P3M Politeknik Negeri Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31961/eltikom.v8i2.1307

Abstract

This study explores an alternative method of generating electrical energy using a thermoelectric generator that utilizes heat from the soleplate of a steam iron and six thermoelectric units connected in series. Based on the Seebeck effect, the thermoelectric modules convert the temperature difference into voltage. An increase in the heat source temperature leads to higher voltage production by the series-connected thermoelectric modules, although the electrical power output depends on the connected load. The power generator design includes thermoelectric modules, a buck-boost converter, an 18650 lithium-ion battery, and a 5-watt, 12-volt DC lamp. The study addresses key aspects such as the impact of temperature on power output in series-connected and parallel-connected thermoelectric circuits, and the efficient conversion of heat from the steam iron soleplate into electrical energy. The research objectives are threefold: to determine power and temperature values for series-connected thermoelectric circuits, to evaluate power and temperature values for parallel-connected thermoelectric circuits, and to utilize heat from the steam iron soleplate as a thermoelectric heat source for generating electrical energy. Testing involved a buck-boost converter connected to a battery, producing 12.35 volts with a temperature difference of 49°C. Design enhancements, such as integrating heatsinks or coolers on the cold side of the modules to maintain a significant temperature differential, are critical for optimizing performance.
Klasifikasi Kesehatan Mental Mahasiswa Model TMAS dengan Algoritma Decision Tree, Logistic Regression, dan Random Forest Hapsari, Anindya; Nursuwanda, Ahmad Syafei; Zuhriyah, Halimatuz; Vresdian, Devan Junesco
INTEK : Jurnal Informatika dan Teknologi Informasi Vol. 7 No. 2 (2024)
Publisher : Program Studi Teknologi Informasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37729/intek.v7i2.5690

Abstract

Di Indonesia, 6,1% penduduk berusia 15 tahun ke atas mengalami gangguan kesehatan mental, dengan 12,69% mahasiswa menunjukkan kerentanan akibat tekanan hidup dan ketidakstabilan mental. Kesehatan mental sangat penting bagi mahasiswa, karena berpengaruh langsung pada kesuksesan akademik mereka. Penelitian ini menganalisis data kesehatan mental mahasiswa dengan dataset yang diambil berdasarkan hasil survey data mahasiswa di kampus Universitas Global Jakarta, dengan hasil survey mengikuti metode TMAS yang di rekomendasikan oleh expert psikolog untuk kemudian di olah menggunakan algoritma Decision Tree, Random Forest, dan Logistic Regression dengan Python. Hasilnya menunjukkan bahwa Logistic Regression mencapai akurasi tertinggi sebesar 90%, diikuti oleh Decision Tree dan Random Forest yang masing-masing memiliki akurasi 80%. Selain itu, model Logistic Regression memberikan prediksi kecemasan paling akurat berdasarkan TMAS dengan akurasi 90%, dibandingkan 80% untuk Decision Tree dan Random Forest.
Development of Quadcopter Drone and IoT Module Technology in Geospatial-Based Air Emission Monitoring Hapsari, Anindya Ananda; Vresdian, Devan Junesco; Dionova, Brainvendra Widi; Andreansyah, Teddy
Journal of Artificial Intelligence and Software Engineering Vol 5, No 1 (2025): Maret
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jaise.v5i1.6300

Abstract

his research introduces an innovative drone-based air quality monitoring system, equipped with multi-parameter sensors to measure temperature, humidity, CO2 concentration, and PM2.5 in real-time. The system is designed with integration to the Internet of Things (IoT), enabling direct data transmission to smart devices for instant access and quick analysis. This system provides a practical solution for monitoring air quality flexibly, especially in areas that are difficult to reach with conventional monitoring devices. Simulations showed that the drone canoperate for 4.8 to 14.77 minutes with an 80% battery depletion, depending on environmental conditions. Calibration testing of the sensors showed high accuracy, although data variations were significantly affected by temperature changes. The system underwent trial and calibration as an initial step to ensure device reliability and open opportunities for broader application development, including air quality monitoring in urban areas, industrial zones, and natural environments. The main advantage of this system lies in its ability to provide real-time data and flexibility in data collection from various locations. However, the study also identified several challenges, such as battery capacity limitations and communication range, which will be the focus of further development. Potential improvements include optimizing battery capacity, expanding communication range, and developing predictive
Implementation of a Fuzzy Logic Controlled Full Bridge SPWM Inverter for Lighting and Charging Applications Dionova, Brainvendra; Permana, Muhammad Zidan Regi; Vresdian, Devan Junesco; Pratama, Legenda Prameswono; Jaenul, Ariep; Nugraha, Dian; Mohammed, M. N.
Jurnal Teknologi dan Manajemen Vol. 23 No. 2 (2025): Jurnal Teknologi dan Manajemen (August)
Publisher : Politeknik STMI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52330/jtm.v23i2.428

Abstract

As energy sources continue to dwindle, they have garnered significant attention, prompting the government to set a target of at least 31% of Indonesia's total energy consumption coming from renewable sources. This study focuses on developing an inverter, a device that converts direct current (DC) into alternating current (AC), utilizing a 12V/100Ah battery to support a 150-watt AC load. The proposed inverter adopts a full-bridge configuration with single-phase sinusoidal pulse width modulation (SPWM) and incorporates a fuzzy logic controller to ensure stable output voltage. The implementation results indicate that the designed full-bridge inverter produces a steady output aligned with the input from a 12V LiFePO4 battery, as confirmed by data collection which compared the output with and without control, showing that the controlled system yields a more stable output. The testing results of the full-bridge inverter using the SPWM method indicate that the system can produce an AC output voltage of 221–224 V with a frequency of 50 Hz, in accordance with the established standards. In contrast, during testing without control, the output voltage ranged only between 145–147 V with a frequency of 99.18 Hz, which does not meet operational standards. These results clearly demonstrate the effectiveness of the fuzzy controller in maintaining both voltage and frequency stability under varying operating conditions. By accurately adjusting the system response, the fuzzy controller ensures that the inverter consistently delivers output within the desired standard range, thereby enhancing the overall performance and reliability of the system.
Automatic Fire Extinguishing System Using Smoke Detector and Heat Detector Based on Programmable Logic Controller Dionova, Brainvendra Widi; Setiawan, Antonius Darma; Vresdian, Devan Junesco; Pratama, Legenda Prameswono; Abdullah, Muhammad Irsyad; Mohammed, M. N.
Eksergi Vol. 20 No. 01 (2024): JANUARY 2024
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v20i01.5406

Abstract

Fire is a disaster that is often encountered throughout the year. This research aims to protect and mitigate the worst possibility of a fire disaster. A PLC automatically creates the work system of this tool, using it as the controller. This tool utilizes two sensors: a smoke detector and a heat detector. Two smoke detectors and one heat detector automatically make the system, each providing input to the PLC. The system splits into two parts: Alarms 1 and 2. If any of the three sensors send input to the PLC, Alarm 1 triggers a buzzer and a yellow light. Alarm 2 occurs if 2 or 3 sensors provide input to the PLC and provide output as the bell lights up, the flash lights up, and the solenoid opens to release Co2 into the room.  
Linearity of Soil Moisture in Residential Plants Using Soil moisture sensor YL-69 Vresdian, Devan Junesco; Pratama, Legenda Prameswono; Trisnaaji, Pius Adrian; Setyono, Rizka Sabila; Jaharadak, Adam Amril; Al-yousif, Shahad
Eksergi Vol. 20 No. 01 (2024): JANUARY 2024
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v20i01.5412

Abstract

Planting media for plants is very important because various kinds of ornamental plants used in housing can grow well according to the needs of their respective conditions. Soil moisture is generally defined as the water contained on the unsaturated soil surface of the Earth. Soil moisture has an influence on the level of moisture needed by plants. The use of soil moisture sensor YL-69s is very popular, especially in the last 2 - 3 decades, where these sensors can review soil moisture and soil conditions in percentage form. However, how can the value of the soil moisture sensor YL-69 itself represent actual conditions? For this reason, a design was carried out with the aim of seeing the linearity value of the sensor. In the overall test the average error value produced has reached less than 3%. In this study, "Nor" conditioning needs to be developed again to further specify whether the plant's moisture needs require a separate percentage to reduce the margin gap that appears at the transition between dry and wet conditions. In this study, using the YL-69 soil moisture sensor produced an error value up to 6.16%, especially in the "Nor" condition with a conditioning difference of 13%.
RANCANG BANGUN SISTEM MONITORING STASIUN PENGISIAN LISTRIK UMUM (SPLU) HYBRID BERBASIS IOT DI SMKN 2 KOTA BEKASI Abdurrahman, Naufal; Jaenul, Ariep; Vresdian, Devan Junesco
Journal Of Renewable Energy Engineering Vol. 2 No. 1 (2024): Journal Of Renewable Energy Engineering (April)
Publisher : Program Vokasi-Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56190/jree.v2i1.27

Abstract

  This research is motivated by the development of electric vehicles in Indonesia which is regulated in Presidential Regulation Number 55 of 2019 which encourages the use of electric vehicles. Therefore, the development of electric vehicles began to increase every year. Along with the development of electric vehicles, it must also be followed by the development of charging stations. This research focuses more on developing a Hybrid public electric charging station (SPLU) monitoring system to create a Hybrid SPLU monitoring system that can be accessed easily anytime and anywhere in real-time and is IoT-based. For the Hybrid SPLU monitoring system to work well, the data results from sensor readings can be monitored in real-time and IoT-based. Then the data from this study has been compared (calibration) with existing measuring instruments with the average error of each sensor being no more than 5% and the Mean Absolute Percentage Error (MAPE) not more than 10%. From the existing provisions, if the MAPE value is <10%, the data can be said to be very accurate. So it can be concluded that this research can be said to be successful because it has fulfilled the initial objectives of this research.
Co-Authors Abdullah, Muhammad Irsyad Abdurrahman, Naufal Agnemas Yusoep Islami Al-Humairi, Safaa Najah Sahud Al-Humairi, Safaa Najah Saud Al-yousif, Shahad Andreansyah, Teddy Anindya Ananda Hapsari Anindya Hapsari Ariep Jaenul Arisa Olivia Putri Brainvendra Widi Dionova Dian Nugraha Dionova, Brainvendra Eko Supriyono, Eko Hutagalung, Nirmalasari Ikmal Jaharadak, Adam Amril Legenda Prameswono Pratama Manfaluthy, Mauludi Maulana, Muhamad Waldi Mohammed, M. N. Nursuwanda, Ahmad Syafei Permana, Muhammad Zidan Regi Setiawan, Antonius Darma Setyono, Rizka Sabila Sinta Restuasih Sobar, Dedi Sundari, Delta Suryo Jati, Cahyo Wibisono Trisnaaji, Pius Adrian Wilyanti, Sinka Yasya Khalif Perdana Saleh Zuhriyah, Halimatuz