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Elektron Jurnal Ilmiah
ISSN : 20856989     EISSN : 26544733     DOI : -
Elektron Jurnal Ilmiah (EJI) is a peer-reviewed journal which is published by Department of Electrical Engineering, Politeknik Negeri Padang. The ISSN number is 2085-6989. EJI published the first edition in 2009 and since 2014, EJI publishes in Juni and December. The scopes of the journal are: electrical power, telecommunication, control, electronic and robotics.
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Articles 8 Documents
Search results for , issue "Volume 12 Nomor 1 Tahun 2020" : 8 Documents clear
Komparasi Akurasi Global Posistion System (GPS) Receiver U-blox Neo-6M dan U-blox Neo-M8N pada Navigasi Quadcopter firdaus firdaus; Ismail Ismail
Elektron : Jurnal Ilmiah Volume 12 Nomor 1 Tahun 2020
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (630.015 KB) | DOI: 10.30630/eji.12.1.137

Abstract

Quadcopter UAV development is happening very rapidly. One of the most important in the navigation system is the hardware and software or the used algorithm. Improving the accuracy of Quadcopter positioning is one of the most popular topics in the UAV field. This position parameter is determined by the GPS module. GPS modules produce position and speed information with a high degree of precision, but these modules are vulnerable to interference. Thus, GPS signals are often lost. Moreover, GPS measurements also cannot meet the real-time requirements. Both GPS U-Blox variants, Neo-6M, and M8N become the main problem by testing which are more precise and consistent with the actual geographical position indicated by Google map. Data obtained from GPS receivers are parsed and converted to longitude and latitude coordinates by the ATmega328 IC microcontroller then combine with real-time data from RTC DS1370 and stored continuously in a 2 GB SD card. The transferred geographic coordinate data would be retrieved and converted to CSV format so that it can be plotted into a map. The test was conducted where the Neo-6M GPS receiver was carried out
Efektifitas Sensor Elektrokardiograf (EKG) AD8232 Untuk Mendeteksi Kelelahan Pada Saat Penggunaan Smartphone Teguh Wijaksana Isma; Milda Yuliza; Tuti Angraini; Roza Susanti
Elektron : Jurnal Ilmiah Volume 12 Nomor 1 Tahun 2020
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (965.467 KB) | DOI: 10.30630/eji.12.1.148

Abstract

Smartphones are electronic devices that are widely used in the current modern era. Ranging from children to adults are using smartphones. Lack of knowledge from smartphone users makes the use of smartphones improperly exceeding the body's limits. This makes a variety of negative impacts of using a smartphone. One way to overcome this problem is to use an electrocardiograph (ECG) sensor. The use ECG is to determine the fatigue of smartphone users based on heart rate rhythm. The sensor used as fatigue detection is the type AD8232. The result of this process is a secure or insecure condition for using a smartphone. When BPM is worth 60 <BPM <120, the condition of smartphone users is safe, whereas when BPM <60 or BPM> 120, the condition of smartphone users is unsafe. Based on the results that have been tested, the longer the use of a smartphone, the value of the BPM will sharply be reduced.
Sistem Kendali Distribusi Gas Buang pada Waste Heat Recovery Power Generation untuk dikonversi menjadi Energi Terbarukan di Indarung V, PT. Semen Padang, Indonesia Nasrul Harun; Valdi Rizki Yandri
Elektron : Jurnal Ilmiah Volume 12 Nomor 1 Tahun 2020
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (584.471 KB) | DOI: 10.30630/eji.12.1.152

Abstract

The coal combustion processes which require high temperature will produce waste heat energy. The energy can be used as generator propulsion to produce electrical energy. Thus, Semen Padang Corporation has successfully got funding from the Japan government, New Energy Technology Development Organization (NEDO) to build the installation Waste Heat Recovery Power Generation (WHRPG) located in the production area of Semen Padang Corporation, Indarung V. Furthermore, heat energy process can not be operated manually, so control system is needed to control this WHPRG performance. The operational of WHPRG can produce electricity power 196.15 MW as to reduce the electric power that must be supplied by Indonesian Electricity Corporation. Besides that, the outcome of Semen Padang Corporation can be saved 33 billion Rupiah per year and CO2 emission can be declined 33,000 tons per year.
Sistem Pengendalian dan Monitoring Distribusi Air Berbasis Nodemcu 8266 Laxmy Devy; Yul Antonisfia; Monica Febrina; Suryadi suryadi
Elektron : Jurnal Ilmiah Volume 12 Nomor 1 Tahun 2020
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1099.825 KB) | DOI: 10.30630/eji.12.1.153

Abstract

Clean water management is managed by a Perusahaan Daerah Air Minum (PDAM), which is centered on each local government. The distribution of water to consumers cannot be done evenly because of the water distribution system and manual monitoring. Overcoming these problems, the Water Distribution Equity System to Consumers can be used to monitor and control water distribution. This system regulates the debit and time zone for water distribution to consumers. Water discharge is detected by the water flow sensor, and the valve is connected to the servo and time zone using RTC DS1307. The water pump is controlled to maintain the volume of water in the reservoir. The water level in the reservoir is detected using the HC-SR04 ultrasonic sensor. Water distribution is monitored on PCs (Personal Computers) and smartphones using Delphi programming and Thingspeak. The reading of water discharge is generated during peak use times for each faucet is 1.9: 1.8: 1.8 while at the time of normal use the ratio of the initial distribution to each faucet is 2.5: 2.3, 1: 1, and 2.5: 2.3.
Kajian Pemanfaatan IoT Berbasis LPWAN Untuk Jaringan Akuisisi Data ARG Tri Istiana; R Yudha Mardyansyah; G.S Budhi Dharmawan
Elektron : Jurnal Ilmiah Volume 12 Nomor 1 Tahun 2020
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (889.869 KB) | DOI: 10.30630/eji.12.1.155

Abstract

One of parameters for observing weather elements is the amount of rainfall. The rainfall observation system is using ARG. The existing condition uses cellular network-based IoT. In this study, researchers tried to provide an alternative communication system for ARG data acquisition networks using LPWAN-based IoT technology. Comparison of three LPWAN IoT technologies that can be applied to ARG communication systems, namely NB-IoT, Sigfox, and LoRaWAN. The three LPWAN technologies have followed the Republic of Indonesia Minister of Communication and Information Regulation No. 1 of 2019. These three technologies can be used for ARG data acquisition networks. LoRaWAN technology in rural areas reaches 20 km. LoRaWAN devices that meet frequency requirements have been sold freely on the internet with the 920 MHz frequency band. Of these three technologies, only LoRaWAN can be used to build private or internal communication networks. This is an added value for BMKG to build district or provincial scale LPWA WAN networks in regions that are constrained by the transmission of ARG data through cellular networks.
Alat Pengatur Takaran Pakan Ikan Otomatis menggunakan metoda fuzzy dengan sensor suhu dan pH Anton Hidayat
Elektron : Jurnal Ilmiah Volume 12 Nomor 1 Tahun 2020
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (911.132 KB) | DOI: 10.30630/eji.12.1.144

Abstract

Busy activities such as work, out of town, holidays with family make it difficult to feed fish done well because farmers can not always be near the pond. In addition to the erratic weather that can reduce the quality of pond water so that the dose of feed must be adjusted again from the normal dose. Fish feed can be done automatically by making feeder equipment scheduled and measured using RTC, keypad and LCD as an interface with the user. And measured using a screw rotation and encoder in order to know the number of thread rotation is done. After testing, it was found that this tool can provide fish feed on schedule with an average dose of 302.6 g per 100 thread turns with a lot of feed errors coming out by 1.03% in an interval of 5.77 seconds.
Pengembangan Sistem Diseminasi Prakiraan Cuaca Menggunakan Aplikasi Bot Telegram dengan Metode Webhook TrI Istiana; Raksaka Indra A; G.S. Budhi Dharmawan; Bowo Prakoso
Elektron : Jurnal Ilmiah Volume 12 Nomor 1 Tahun 2020
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1026.933 KB) | DOI: 10.30630/eji.12.1.159

Abstract

An official weather forecast dissemination application named @infoBMKG developed for Android and iOS by BMKG available since 2016. Following users behaviour on instant messaging service application, system development is necessary needed for accommodating request-based dissemination. The Telegram Bot feature with Webhook method is applied because of the efficiency on coding for initial setup in the development of Telegram Bot. Therefore, it allows fast response in sending reply to any request. There are three main menus in the design of the telegram Bot (@BMKGbot) displayed as Weather Forecast, Airport Weather, and Satellite Imagery. As results of performance testing, the average response time dissemination-request 2.54s for Weather Forecast, 2.76s for Airport Weather and 7.28s for Satellite Imagery. Bigger size of data disseminated in an image format of satellite imagery cause longer response time, however the performance testing obtain response times within satisfactory period and meet as expected. It is recommended to implement @BMKGbot at reliable hosting service on its operational environment for chasing users’ satisfaction with high availability services in term of weather forecast dissemination.
Implementasi Teknologi Internet of Things Pada Sistem Pemantauan Kebocoran Gas LPG dan Kebakaran Menggunakan Database Pada Google Firebase Abi Sabila Mustaqim; Danny Kurnianto; Fikra Titan Syifa
Elektron : Jurnal Ilmiah Volume 12 Nomor 1 Tahun 2020
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (881.839 KB) | DOI: 10.30630/eji.12.1.161

Abstract

Fire due to Liquefied Petroleum Gas (LPG) gas leak is one of the disasters that still often occurs in the community. Community ignorance of safety standards in using LPG gas is one reason. Fires can be prevented if at the time of the LPG gas leak can be detected earlier. Therefore we need a system that can monitor the condition of gas leaks and fires remotely. Internet of things (IoT) technology can be applied to this monitoring system so that information on LPG gas leaks and fires can be monitored remotely. The Internet of Things (IoT) based LPG and Fire leak monitoring system is a concept that utilizes internet connectivity between smartphone devices connected to sensor devices. The devices used to support this system include NodeMCU ESP8266 as a microcontroller and as a liaison to the internet, MQ-6 gas sensors and flame sensors as sensors for detecting gas and fire leaks, buzzers as alarms, and fans as neutralizing gas levels in the room. Data obtained by the sensor will be uploaded to the database via the internet and can be accessed through an android application. The results of the design show that the android application can display notifications when a gas leak or fire occurs. In testing the performance of data transmission, the results show that the highest data transmission delay is 64,61 seconds, and the lowest delay time is 61,56 seconds, the highest throughput value is 747,6 bits/second, and the lowest value is 285,4 bits/second.

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