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Majalah Ilmiah Teknologi Elektro
Published by Universitas Udayana
ISSN : 16932951     EISSN : 25032372     DOI : -
Core Subject : Engineering,
Electrical & Electronics Engineering
Majalah Ilmiah Teknik Elektro diterbitkan dua kali dalam satu tahun oleh Jurusan Teknik Elektro Fakultas Teknik Universitas Udayana. Jurnal ini membahas tentang karya ilmiah berupa hasil penelitian dalam bidang elektro, meliputi sistem tenaga, telekomunikasi, informatika, dan elektronika. Penulis diharapkan untuk menyertakan karya ilmiah yang orisinil sesuai dengan lingkup bahasan jurnal ini termasuk semua aspek teori dan praktek yang digunakan.
Arjuna Subject : -
Articles 611 Documents
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Monitoring System Kecepatan dan Arah Angin Berbasis Internet of Things (IoT) Menggunakan Raspberry Pi 3 Makmur Fernando; Lie Jasa; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 21 No 1 (2022): (Januari - Juni) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2022.v21i01.P18

Abstract

Wind is a natural resource that has many benefits for human life, for example, wind can be used to generate electricity, namely the wind power plant, for aircraft navigation purposes during takeoff and landing, as well as for aerospace sports such as paragliding, parasailing and aeromodeling. The existence of wind can also be detrimental to mankind, such as the existence of extreme weather that allows hurricanes, rainstorms, floods and landslides and high sea waves. This study expects to design a prototype tool monitoring system for wind speed and wind vane based on the Internet of Things (IoT) using the Raspberry Pi 3 model B+ as a data processor that can give data abouttwind speed and direction of the wind in realtime and can be accessed remotely when connected to the internet network. Test data read from the sensors displayed on the LCD 16 x 2 and sent to the web server using a router with the goal that it tends to be monitored online by the user with an internet connection. Wind speed data is read in rotations per minute (rpm) and wind direction data can detect up to 16 wind directions. The conclusion of this study is that the based wind speed and wind direction monitoring system Internet of Things (IoT) using Raspberry Pi 3 Model B+ can work properly. Wind speed and wind course information are stored in a database, which can be accessed on web the Telegram in realtime. Data transmission of wind speed and wind directions takes place every 1 minute.
Analisis Performansi dan Ekonomi PLTS Atap 10 kWp pada Bangunan Rumah Tangga di Desa Batuan Gianyar Govinda Riawan; I Nyoman Satya Kumara; W. G. Ariastina
Jurnal Teknologi Elektro Vol 21 No 1 (2022): (Januari - Juni) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2022.v21i01.P09

Abstract

The Efforts to accelerate the development of renewable energy power plants continue to be driven by the central government as stipulated in the National Energy General Plan. One of the plants developed is the Solar Power Plant. Currently about Solar Power Plant in Indonesia is built to reach 152.44 MW from the target set at 6.5 GW. The central government through the Minister of Energy of Resources and Minerals issued policy No. 49 of 2018 on the use of rooftop power plants. Gianyar is one of the areas that have good solar irradiation with an average of 4.99 kWh/m2/day, where it is very potential to build a rooftop PV. This research aims to find out the study of electrical energy and ecomonic generated from Solar Power Plant 10 kWp in Batuan village. Furthermore, surveyed the field to collect data to simulate the performance, comparison, and investment feasibility of the construction of the Solar Power Plant. Data collection of real production and real consumption is carried out for 12 months. Simulations use PVsyst programs and investment feasibility using several methods, such as Net Present Value.(NPV), Internal Rate of Return (IRR), Benefit Cost Ratio (BCR), Profitability Index (PI), and Payback Period (PP). The total potential Solar Power Plant in of Batuan Village household is 9.3 kWp from the entire roof of the installation of 78.11 m2. The construction of Solar Power Plant in households in Batuan Village with a capacity of 10 kWp has a potential of 6336.3 kWh in a year with a performance of 30.9%, while in real production this Solar Power Plant is able to produce a total of 8,502 kWh in a year. In economic analysis, the feasibility level of plts development investment was declared unfit, with an NPV value of Rp. - 321,004,050 at a discount rate of 10%, the value of IRR - 90.4%, BCR worth 0.78, PI at 0.32, and PP which reached 78 years.
Sistem Pemantauan Kekeruhan dan Suhu Air Pada Akuarium Ikan Hias Air Tawar Berbasis IoT (Internet of Things) Efina Marianis; Lie Jasa; Pratolo Rahardjo
Jurnal Teknologi Elektro Vol 21 No 2 (2022): (Juli - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2022.v21i02.P15

Abstract

The aquarium monitoring system in the maintenance of ornamental fish is fundamental to maintaining the survival of the aquatic biota in it. In this study, a prototype of a water condition monitoring system such as turbidity and water temperature in freshwater ornamental fish aquariums was designed and integrated with IoT technology so that it could make it easier for ornamental fish owners to maintain freshwater ornamental fish remotely. In the prototype tool, there is a turbidity sensor SEN0189, a temperature sensor DS18B20, and an HC-SR04 sensor, which function to measure changes that occur in each parameter. Each sensor data will be processed by the Arduino Uno microcontroller, which is then sent to the NodeMCU ESP8266 (Wi-Fi module) via serial communication so that sensor data readings can be displayed on the Blynk application. As a result of the tests, the system can monitor the turbidity of the water and drain the water if the turbidity reaches >= 25 NTU and refill the aquarium with clean water. In addition, the system can also monitor and control the water temperature in the aquarium. The aquarium water temperature level is maintained in the range of 24°C – 28°C.
Literatur Review Analisis metode De-Militarized Zone (DMZ) dan Switch Port Security Sebagai Metode Keamanan Jaringan Ni Komang Ayu Sri Anggreni; Lie Jasa
Jurnal Teknologi Elektro Vol 21 No 2 (2022): (Juli - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2022.v21i02.P06

Abstract

Over time, the development of technology is very rapid. It is certainly inseparable from the role of networks that can connect devices to be able to exchange information. Therefore, there is a need to secure computer networks to prevent cyber crime. The most commonly used attacks are Port Scanning and DoS (Denial Of Service). There are various ways to secure a computer network, one of which is by Switching port security. In addition to using Switch port security, the technique for securing network crimes is to use the De-Militarized Zone (DMZ). This study aims to compare network security performance with the Port security and DMZ methods where the tests obtained based on the review literature concluded that the use of the DMZ method carries out security by filtering requests by clients through firewall routers while Port security can provide security to the network by providing access to the server to registered ports only.
Analisis Penerimaan Aplikasi Hadir Sebagai Media Absensi Pada PT. Baliyoni Saguna Menggunakan Technology Acceptance Model I Gusti Agung Made Yoga Mahaputra; Ida Bagus Alit Swamadika; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 21 No 2 (2022): (Juli - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2022.v21i02.P20

Abstract

The era of globalization brings changes to all aspects of humanity. The development of inforamation/technologys encourages people/touse the/technology/to be able to keeping up with time, use of online attendance system technology by PT. Baliyoni Saguna. Therefore, its necessary to analyze the aceptance/of informationitechnology to examine whether the attendance technology used is acceptable and what factors influence the acceptance. One method to assess the aceptanceiofthe information technology is/the Technnology/Aceptance Modelsp(TAM). In this/studys, an analysis/will be carrieded/out on the acceptance ofithe attendance system technology used by PT. Baliyoni Saguna using the TAM method. The research was conducted by taking questionnaire data containing clauses from the TAM method from 75 Baliyoni employees. From the test results, validation and reliability tests were carried out where all data could be said to be valid and very reliable. Testing the relationship between TAM variables shows that all data havea a/posiitive influences/on attendance where the value of the t-statistical test is > 0.2272 and is significant where the p-value of all test data is < 0.05. The indicator that has/a major influence on/the/acceptance/of this attendance system is perceiveds/ease of/use which has t-statistic of/38,221.
Simulasi Penggunaan Komponen Smart Building untuk Meningkatkan IKE di Gedung Rektorat Universitas Udayana Adhi Permana; Rukmi Sari Hartati; I Nyoman Satya Kumara
Jurnal Teknologi Elektro Vol 21 No 2 (2022): (Juli - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2022.v21i02.P11

Abstract

One of the important aspects in energy management is energy audit activities. he benefits of an energy audit include recommendations for actions to be taken to improve energy efficiency, reduce costs and save money on energy bills. This study aims to obtain information on the efficiency of the use of electrical energy in the rectorate building of Udayana University and how big the potential for saving electrical energy is through testing energy-saving equipment. The results of the measurement, observation and data collection of the load at the Udayana University rectorate, the total power and electrical energy consumption of the Udayana University Rectorate building are 120.12 kW and 15521.02 kWh, respectively. The biggest need for electricity supply is air conditioning, which is 61.5 kW with energy consumption of 62%. In general, the Rectorate building of Udayana University has an IKE value of 49.43 kWh/m2/year. The IKE value for the AC/non-AC building category is 4.12 kWh/m2/month (very efficient). Meanwhile, in terms of IKE per room, there is still a value below the efficient category because electrical equipment is still / left on when working hours are over, especially lights and air conditioners. The application of Smart Building equipment with the aim of efficient use of electrical energy shows a decrease in lighting electrical energy consumption by 161.25 kWh (31%) while for air conditioning by 143.86 kWh (11%).
Sistem Monitoring dan Kontrol Tangki Air Menggunakan Raspberry Pi Berbasis Bot Telegram Lanang Bagus Amertha; Rukmi Sari Hartati; Made Sudarma
Jurnal Teknologi Elektro Vol 21 No 2 (2022): (Juli - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2022.v21i02.P02

Abstract

Water tanks are often placed at a height to take advantage of the force of gravity so that water can flow optimally. The high position of the water tank is difficult for users to find out the quality and volume of water. Poor water quality such as experiencing turbidity can have a bad impact. So we need a system that can detect turbidity and water volume and can inform users remotely. The technology that can be used is the internet of things. The system built will monitor the turbidity and volume of the user's water tank, as well as control the pump in the form of turning it on and off. The interaction process between users and the system using bots from Telegram. The test results of the system can monitor turbidity and water volume and control the water pump through interaction with users using Telegram bots. The test results show the average speed of the entire system process is 1.48 seconds. The use of Raspberry Pi microcontroller can be used for future system development such as adding cloudy water treatment process features or others. Another development suggestion by adding bots as an interface from other instant messaging applications.
Rancang Bangun Sistem Irigasi pada Perkebunan Cabai Berbasis Arduino Uno dan Sprinkler Arraafi Rahman; Imelda Uli Vistalina Simanjuntak
Jurnal Teknologi Elektro Vol 21 No 2 (2022): (Juli - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2022.v21i02.P16

Abstract

Red chili is one type of vegetable widely used by the people of Indonesia because it has a reasonably high selling value. One of the causes of soaring chili prices is when there is much demand, but the farmers' harvest is insufficient. This incident often occurs because harvests often fail due to the manual and uneven irrigation system. So chili farmers in highland areas that rarely rain must be assisted by a regular and automatic irrigation system. Therefore, this study aims to help chili farmers to water the red chili plants as needed with the help of a water pump. The designed water pump system supports a DC of 12 volts and a power of 18 watts. The strategy used for watering chilies is a bulk water system, which emits water to the plants so that watering distributes at all points of the red chili. Transmission water velocity is measured using a water flow sensor. Likewise with the soil moisture parameters using sensors which state that the soil conditions are PH > 2.0 (wet) and PH > 5.51- 7.00 (very humid). After the soil, the moisture value is read by Arduino Uno Atmega 2560, and the results will display on the LCD. Watering will adjust to the water needs based on the PH value obtained.
Analisis Tekno-Ekonomi dari Refuse Derived Fuel (RDF) sebagai Waste To Energy (WTE) di TPA Pakusari Jember, Jawa Timur Eka Yulia Indri Christanti; I Nyoman Satya Kumara; Cokorde Gede Indra Partha
Jurnal Teknologi Elektro Vol 21 No 2 (2022): (Juli - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2022.v21i02.P07

Abstract

The problem with waste in Jember Regency is that waste management has not been maximized. The abundant availability of combustible waste can be used as RDF as waste to energy. This study analyzed the potential RDF and the feasibility of constructing a PLTSa at TPA Pakusari using the life cycle cost method and the electricity cost is calculated by LCoE. Waste management of refuse-derived fuel in order to meet the quality standards of RDF is carried out by pre-treatment in the form of sorting, enumeration, natural or mechanical drying, and sifting. The capacity of RDF is 83.762 kg/day, with a potential power generated using gasification technology of 1.000.621 Watt. The level of GHG emissions produced is 1,8 tCO2. The PLTSa project plan is equipped with an air pollution management unit. The results of the economic analysis show that the LCC value during a lifetime is Rp. 75.903.806.400. The feasibility of the Pakusari PLTSa development plan is declared feasible with a PBP value of 13 years. The NPV value with an interest rate of 8,5% is Rp. 22.065.398.707, and the IRR value is 14,35%. In the profitability index and net B/C criteria, the project is declared feasible with a value of 2,3.
Perancangan RESTful API Menggunakan Java Quarkus Untuk Modul Mahasiswa Pada Layanan SIMAK-NG Universitas Udayana Ari Wijaya I Kadek; Dewa Made Wiharta; Nyoman Putra Putra Sastra
Jurnal Teknologi Elektro Vol 21 No 2 (2022): (Juli - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2022.v21i02.P12

Abstract

Information systems are very important in today's technological era. The services or methods used to deliver information are always evolving to provide better services. SIMAK-NG Udayana University is an information system built by the Udayana University Resources and Information Unit (USDI) to provide convenience to users (academic operators, lecturers and students) in online academic administration activities, which is Integrated Information System, known as Integrated Management Information System the Strategic of Udayana (IMISSU). Previously built on a monolithic architecture, SIMAK-NG migrate the service architecture to microservices. Therefore, need to customize the program code by implementing a RESTful API that supports the performance of SIMAK-NG service. In this study, the design of a RESTful API model was made This can be used by other applications that require student data from the SIMAK service and access RESTful API services instead of accessing the database directly. API was built using the Java programming language, the Quarkus framework, and a database schema that matched the database at the SIMAK-NG service at Udayana University. The test was run locally and show that the RESTful API program's response results are as designed and work well as shown in the tests using the Postman script. this indicates that the designed API program is ready for implementation.

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