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Freddy Kurniawan
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avitec@itda.ac.id
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Department of Electrical Engineering Institut Teknologi Dirgantara Adisutjipto, Jl. Janti, Blok R, Lanud Adisutjipto, Yogyakarta
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Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC)
Published by Institut Teknologi Dirgantara Adisutjipto
ISSN : 26852381     EISSN : 27152626     DOI : 10.28989/avitec
Core Subject : Science, Engineering,
Aerospace Engineering Computer Science & IT Electrical & Electronics Engineering Engineering
This journal is the scientific publications journal published by Department of Electrical Engineering, Sekolah Tinggi Teknologi Adisutjipto. It aims to promote and disseminate the research finding in the development of management theories and practices. It will provide a platform for academicians, researchers, and practitioners to share their experience and solution to problems in different areas of journal scopes. Every submitted paper will be blind-reviewed by peer-reviewers. Reviewing process will consider novelty, objectivity, method, scientific impact, conclusion, and references.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 11 Documents
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Search results for , issue "Vol 4, No 1 (2022): February" : 11 Documents clear
Analisis Pemodelan Dinamik Motor Sinkron Tiga Fasa Pada Percobaan Tegangan Tidak Seimbang Reynaldo Rizkika Putra; Paulus Setiawan; Bambang Sudibya
Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Vol 4, No 1 (2022): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v4i1.1163

Abstract

The problem that often arises lately in electrical motors is the occurrence of voltage imbalances. Unbalanced voltage is an unequal voltage value in a three-phase voltage system contained in an electric power system. On the basis of these problems, it is necessary to conduct research that can analyze the dynamics of the performance of synchronous motors. The frame of reference theory is used to analyze the performance of both synchronous and induction motors. This study implements the modeling of the transformation on the natural axis abc and the transformation on the dq0 axis of the stator and rotor variables in the coordinates of the reference frame. The results of this study indicate that the voltage imbalance from 1% to 5% at the electromagnetic torque has decreased from 8.5 Nm to 6 Nm, the stator current in one phase has increased from 44.2 amperes to 45.2 amperes, the motor rotation speed has decreased from 1820 rpm to 1570 rpm, motor output power decreased from 25550.05 watts to 18968.45 watts, and power efficiency decreased from 98.24% to 82.43%.
Pengembangan Sistem Pemantau Kebocoran Gas Elpiji dan Peringatan Dini Bahaya Kebakaran Berbasis Internet of Things Husny Husny; Freddy Kurniawan; Lasmadi Lasmadi
Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Vol 4, No 1 (2022): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v4i1.1181

Abstract

The fire hazard due to an LPG cylinder explosion can be triggered from a gas cylinder leak. Not infrequently these incidents lead to loss of life and property loss. This study proposes the design of an LPG gas leak monitoring system and early warning of fire hazards. The system is designed to be integrated with the internet network through the Internet of Things (IoT) platform. The MQ-6 sensor module is used to detect LPG gas leaks and a fire sensor to detect fire. The sensor is installed close to the gas outlet source to ensure gas leakage and fire. The data from the sensor is read by the microprocessor and sent to the web server via the interface device. When the concentration of LPG gas in the air exceeds a certain level or a fire is detected, the microprocessor gives a command to turn on the alarm and sends a hazard notification to the smartphone. Hazard notifications, gas concentrations and status of hazard conditions can be accessed in real-time on Android-based smartphones. The results of the tests that have been carried out show that this system can provide information on hazard notification messages and gas concentration values in the range of 1000 - 10000 ppm. The fire detector in this system can detect fires up to a distance of 110 cm from the source of the fire. Then, hazard notifications and gas concentration levels can be accessed via a smartphone with the Kodular web application in the form of a real-time graphic display.
Studi Potensi dan Perencanaan Pembangkit Listrik Tenaga Mikro Hidro Di Bendung Simbang Kecamatan Doro Kabupaten Pekalongan M. Fanis Abdillah; Gunawan Gunawan; Agus Suprajitno
Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Vol 4, No 1 (2022): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v4i1.1132

Abstract

The impact of greenhouse gas emissions is getting higher due to the use of fossil energy to drive power plants. Efforts to replace it is to develop renewable energy that is popular in Indonesia is micro hydro technology. This study aims to determine the potential of water energy and plant planning at Simbang Weir in Pekalongan. The method used combines water flow measurements with floating techniques and uses geographic information provided by Google Earth. The result of this research is that the water discharge is measured at 3.67 m3/s with a height of 11 meters. The turbine design uses crossflow with a potential power of 280.11 kW. The detailed engineering design is described in full in this study.
Pengukuran Kedalaman dan Koordinat Jalan Berlubang Menggunakan Sensor Ultrasonik dan GPS Berbasis Internet Of Things (IoT) Phisca Aditya Rosyady; Fadil Fajeri; Muhammad Andika Agustian
Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Vol 4, No 1 (2022): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v4i1.1061

Abstract

The development of the world of transportation in Indonesia is growing very rapidly, especially in the field of land transportation. This can be seen from the number of motorized vehicles, both cars, and motorcycles in Indonesia, which continues to increase from year to year. According to data from Badan Pusat Statistik (BPS), the number of motorized vehicles reached 126,508,776 units, the data increased 5.9 percent from the previous year 2017 wherein that year the number of motorized vehicles was 118,922,708 units. The problem that still often occurs for land transportation infrastructure is that there are still many damaged roads such as potholes, so prevention is needed by recording road damage data such as the depth of holes during manual recording, so in this study, we discuss how to measure these holes using ultrasonic sensors. integrated with GPS data to record the location of potholes. The result is that the measurement error using ultrasonic is 4.9 %. Meanwhile, for the results of testing the GPS data, the error in latitude data is 0.00061 %, the data for longitude error is 0.00004 %..
Evaluasi Sistem Pencahayaan dan Penggunaan Energi Listrik pada Lampu Sorot di Gelanggang Olah Raga Kridosono Yogyakarta Agityawan Ranga Manyurang; Bambang Sudibya
Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Vol 4, No 1 (2022): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v4i1.1128

Abstract

Kridosono Yogyakarta sports building is one of the sports facilities in the Kotabaru Yogyakarta. As the function of the exercise routine for this sports building is basketball and volleyball, the use at night of course uses an artificial lighting system. Artificial lighting, especially spotlights that have been installed based on information from the sports building manager, is still lacking in the sense of lack of light. For this reason, this study aims to evaluate the lighting system and calculate the use of floodlight electrical energy after and before the evaluation. The results showed that the average lighting level in the Kridosono Sports Building Yogyakarta did not meet the minimum standard of 200 Lux. Recommendations through the calculation of lighting levels obtained results of 211.2 lux and 202.75 lux. For the DIALux 4.13 simulation using a Philips BVP130 1xLED210/740 spotlight and a Philips BVP130 1 xLED172/830 spotlight, the results are 240 lux and 230 lux. The total electrical energy consumption of the floodlights before the evaluation was 752 kWh/month and after being re-planned by replacing the spotlights using Philips BVP130 1xLED172/830 of 678.3 kWh/month so as to save electrical energy by 9.8% and using Philips BVP130 spotlights 1xLED210/740 electricity consumption is 670kWh/month so that it saves electrical energy by 10.9%.
Penentuan Koreksi Sudut Attitude pada Quadrotor Menggunakan Algoritma Zero Acceleration Compensation Shandy Avisena; Freddy Kurniawan; Ndaru Atmi Purnami
Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Vol 4, No 1 (2022): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v4i1.1109

Abstract

The orientation angle of a quadrotor UAV can be estimated from gyroscope and accelerometer data. Orientation can be predicted from gyroscope data under static or dynamic conditions, but the predicted value has accumulated errors. Meanwhile, orientation can also be calculated from accelerometer data, but only correct if the sensor is in a static state. To get a more precise orientation angle, the orientation predicted from the gyroscope data and the orientation calculated from the accelerometer data were fused using a Kalman filter. Determination of the condition of the sensor using a threshold value that is applied to the covariance of the acceleration data. in this study, the zero-acceleration compensation algorithm is used so that when the sensor is static, the orientation angle is calculated from the accelerometer. The use of this algorithm can increase the accuracy of the quadrotor orientation for roll angle to 96.84% and pitch angle to 98.91%.
Analisis Tinjauan Ekonomi Teknis dalam Pemasangan Kapasitor Bank untuk Memperbaiki Nilai Faktor Daya pada Beban Industri Prastyono Eko Pambudi; Samuel Kristiyana; Muhammad Suyanto; Maulana Maliq F; Diky Rahmadi
Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Vol 4, No 1 (2022): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v4i1.1184

Abstract

Industry is one of the largest users of reactive power in the distribution of electric power. Industries use equipment such as induction motors, transformers and other equipment to support their production needs. Loads such as induction motors are inductive loads that require reactive power to operate. Reactive power in an electric power distribution network is a loss. Reactive power can reduce the effectiveness of the real power which is converted into active power so that the efficiency of real power usage is reduced. Installing a capacitor bank is one way to compensate for the use of reactive power in a load. Installing capacitor banks aims to improve the value of the power factor that has decreased due to the use of excessive reactive power loads. PLN has set a standard power factor value for consumers of 0.85 and reactive power consumption of 0.62 of the total power consumption. For this reason, it is necessary to carry out further analysis regarding the advantages and disadvantages of installing bank capacitors to improve the value of the power factor so that the ideal economic factor for consumers is obtained.
Distribusi Pergerakan Penumpang Pesawat Udara Di Pulau Jawa Menggunakan Model Furness Gunawan Gunawan; Dedet Hermawan Setiabudi; Bagus Wahyu Utomo
Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Vol 4, No 1 (2022): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v4i1.1201

Abstract

The movement needs that always increases will cause some problems, especially people are heading to the same destination of the certain area at the same time. To reduce the problems caused by the increase in the number of movements, it is necessary to analyze the future distribution of aircraft passenger movements. The research model is the distribution of aircraft passenger movements in Java Island using the Furness model. In this case, it is found that the Furness model is the best method because have a standard deviation and mean absolute percentage error to the smallest. It could be concluded that the Furness model is more accurate when compared to the Gravity Model (DGCR) with tanner obstacle function in estimating the distribution of movements in 2025 in Java Island
Implementasi Sistem Data Logger pada Alat Pemantau Energi Listrik Motor Induksi 3-Fasa Berbasis Arduino Mega 2560 di PT Madu Baru Yogyakarta Beny Firman; Hariyo Santoso; Sigit Priyambodo; Hadi Prasetyo Suseno; Prastyono Eko Pambudi; RR Yuliana Rachmawati Kusumaningsih
Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Vol 4, No 1 (2022): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v4i1.1189

Abstract

An Induction motor is an electric machine that converts electrical energy into kinetics energy and widely used in the industrial fields. Many disturbances that occur in the motor that cause production to be not optimal as for the problems that occur at PT. Madu Baru Yogyakarta is when there is a disturbance in the three-phase induction motor, workers still use manual methods to analyze the disturbance, so that the time used in the analysis takes a long time even the three-phase induction motor cannot work again. In overcoming this, it is necessary to implement a data logger system that can detect the electrical parameters of a three-phase induction motor in real time, in order to make it easier to analyze existing disturbances through graphs. The voltage sensor CYVS13-34U0 and current sensor SCT-019 will detect the electrical parameters which will then be processed by the Arduino Mega 2560 pro so that the processed data will be stored on the microsd card. The data resulting from the processing are electrical parameters in the form of voltage, current, apparent power, real power, reactive power, and power factor. The data will be saved as a file with .txt format which has an interval of about 1 minute for each storage.
Radio Transmission Detection Using Doppler in UHF Frequency Band Bambang Sudibya; Denny Dermawan; Muhammad Jalu Purnomo; Mardiana Irawaty
Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Vol 4, No 1 (2022): February
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/avitec.v4i1.1185

Abstract

The direction finder of a radio transmitter is a device that functions to find and determine the direction of a radio transmitter that works in the Ultra High Frequency (UHF) band. UHF frequency used is in the range of 420 - 440 MHz. The concept of Doppler radio is used as a method to determine the direction a radio transmitter is located. Radio Doppler use four receiving antennas which are installed at a certain distance so that it can produce a difference in frequency (Doppler) on each radio antenna because of the difference in the angle of the detected signal. The direction of the incoming signal will be displayed on a set of 16 LEDs and each LED will represent the direction of the incoming angle of 22.5 degrees. The detected frequencies are 422,580 MHz and 429,980 MHz originating from the UHF transmitter with 100mW of power and amplified with a radio frequency amplifier of 3 Watts power. The results show that the frequency of 429,980 MHz was detected with a maximum detectable distance of 1500 meters. The frequency of 422,580 can be detected with a maximum distance of 800 meters. This radio direction finder is can be used to find radio signal in UHF band frequency 420-440 MHz. The direction of the radio transmitter location is simply show in group of led’s as a direction detector. 

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