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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 6 Documents
Search results for , issue "Vol 10 No 2 (2018): Elektron Jurnal Ilmiah" : 6 Documents clear
Perancangan Sistim Monitoring Parkir Mobil Berbasis Web Muhammad Irmansyah; Efrizon Efrizon; Era Madona; Roni Putra
Elektron : Jurnal Ilmiah Vol 10 No 2 (2018): Elektron Jurnal Ilmiah
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (396.323 KB) | DOI: 10.30630/eji.10.2.72

Abstract

This research is an information technology innovation for long distance monitoring system in realtime through WEB which applied to car parking system. This intelligent parking system is designed to solve the problems of parking car in Politeknik Negeri Padang. In this system, the driver gets information trough the web about the empty and the filled area in the parking. This system is an automated system using infrared and photodiode as sensor to identify the existences of the car in parking area and controlled by microcontroller. WEB to monitoring and inform the condition of slot parking area to the car driver using smartphone and can be accessed from everywhere at the web address ee.polinpdg.ac.id/parkir. Computer server is a WEB server and database server to save the program and monitoring data result.
Rancang Bangun Antena Mikrostrip Bowtie Pada Frekuensi 5,2 Ghz Aprinal Adila Asril; Lifwarda Lifwarda; Yul antonisfia
Elektron : Jurnal Ilmiah Vol 10 No 2 (2018): Elektron Jurnal Ilmiah
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (838.606 KB) | DOI: 10.30630/eji.10.2.73

Abstract

Microstrip antennas are very concerned shapes and sizes. Can be viewed in terms of simple materials, shapes, sizes and dimensions smaller antennae, the price of production is cheaper and able to provide a reasonably good performance, in addition to having many advantages, the microstrip antenna also has its drawbacks one of which is a narrow bandwidth. In this research will be designed a microstrip antenna bowtie which works at a frequency of 5.2 GHz which has a size of 68mm x 33mm groundplane. For the length and width of 33mm x 13mm patch. This antenna is designed on a printed cicuit board (PCB) FR4 epoxy with a dielectric constant of 4.7 and has a thickness of 1,6mm. This bowtie microstrip antenna design using IE3D software. This antenna has been simulated using IE3D software showed its resonance frequency is 5.270 GHz with a return loss -23 595 dB bandwidth of 230 MHz, VSWR 1,142, unidirectional radiation pattern and impedance 43,919Ω. The results of which have been successfully fabricated antenna with a resonant frequency of 5.21 GHz with a return loss -16.813 dB bandwidth of 79 MHz, VSWR 1.368, unidirectional radiation pattern, impedance 43,546Ω and HPBW 105 °.
Perancangan Sistem Informasi Untuk Perawatan Dan Perbaikan Modul Pratikum Berbasis Web Anggara Nasution; Raemon Syaljumairi; Rusfandi rusfandi
Elektron : Jurnal Ilmiah Vol 10 No 2 (2018): Elektron Jurnal Ilmiah
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (537.676 KB) | DOI: 10.30630/eji.10.2.74

Abstract

Microprocessor and microcontroller laboratories are type III laboratories that are in the electronics engineering study program majoring in electrical engineering, this laboratory serves the activities of student practices for microprocessor system courses, microcontroller systems and interfaces I and II and very large scale intergration (VLSI) programmable logic devices and programmable electronics. Laboran as manager and person in charge of the laboratory, every month submits reports on equipment support facilities and practice modules made manually to the head of the laboratory. Every day the laboratory staff must examine all equipment activities one by one such as computers and practice modules to find out the latest conditions. Seeing the problems above, we need a system solution that can provide fast, accurate, complete and integrated information as a whole. The purpose of this study is to produce an information system design for maintenance and repairs to microprocessor and microcontroller laboratories. The method used in this study analyzes the current system to create a conceptual model so as to produce a database diagram. Next, the design of the display includes the design of the application interface such as the reporter display, laboratory performance reports etc. To further maximize laboratory use and quality teaching and learning is expected that students, lecturers and staff will also participate by reporting damage to supporting facilities at the microprocessor and microcontroller laboratory.
Sistem Informasi Untuk Posisi Dan Lama Duduk Dengan Smartphone Android Berbasis Mikrokontroler Era Madona; Muhammad Irmansyah; anggara Nasution
Elektron : Jurnal Ilmiah Vol 10 No 2 (2018): Elektron Jurnal Ilmiah
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (140.009 KB) | DOI: 10.30630/eji.10.2.75

Abstract

In this study, an information system was created to remind users of the length of sitting time to avoid the risk of health problems due to sitting too long. The device is designed and made in two parts, sitting cushion and application on the smartphone. In the seat cushion the limit switch sensor is placed to detect the sitting position and temperature sensor to detect the temperature of the bearing as an indicator of the long sitting. The data detected by the sensor will be sent to the microcontroller and prepared to be sent to the smart phone. The data to be displayed using an android application with Bluetooth communication. Display on the smartphone in human body posture accordance to user's sitting position. There are three body positions, namely the normal position, tilt to the left and tilt to the right. If the body position is tilted, then the smartphone will give an alarm warning to restore the sitting position to the normal position. The bearing temperature detection results will be displayed in the form of numbers with a green background as the indicator of the temperature is still normal, yellow if the bearing temperature rises and red if the temperature has exceeded the permitted normal limit. This means the user has been sitting too long and must stand or rest for a while. To remind the user to stand up, the smartphone will also give a warning by turning on the alarm.
Rancang Bangun Alat Pengawasan Kondisi Penderita Vertigo Menggunakan Accelerometer Berbasis Mikrokontroler Yulastri Yulastri; Era Madona; Efrizon Efrizon
Elektron : Jurnal Ilmiah Vol 10 No 2 (2018): Elektron Jurnal Ilmiah
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (909.297 KB) | DOI: 10.30630/eji.10.2.76

Abstract

This research designs and makes low-cost portable devices to monitor risk patients losing their balance such as vertigo patients and cause dizziness, fall or not. This tool can determine the patient condition and send information in SMS notification and telephone calls to the patient's family. This tool uses ATmega 328 (Arduino Uno) and tilt sensor HMC5883L (accelerometer) GY-273 as the patient's body tilt detector and GSM SIM800L module for sending SMS notifications and phone calls for remote information while for short range notifications used LEDs and Buzzers. The position detection of vertigo patients works by reading the slope of the patient's body with a tilt sensor (accelerometer) and if the patient's position is no longer robust or unbalanced, then this condition trigger the GSM SIM800L module activate phone calls. When the patient falls and presses the push button, this condition ask the GSM SIM800L module sending SMS notifications. The results of testing performed on the device in detecting falls as much as 30 times, obtained the value of the sensitivity of dizziness activity by 87% and the value of sensitivity on activity fell by 90%. The system requires an average of 8 seconds after the activity falls to send SMS notifications to users of telephone numbers, and also requires an average of 5 to 6 seconds after dizziness to make phone calls to users of telephone numbers. It is expected that the making of this tool can ease monitoring in vertigo patients while on the move
Simulasi Sistem Monitoring Arus Lebih Pada Jaringan PLN Satu Fasa Menggunakan Web Berbasis Mikrokontroller Yul Antonisfia; Muhammad Irmansyah; Anggara Nasution
Elektron : Jurnal Ilmiah Vol 10 No 2 (2018): Elektron Jurnal Ilmiah
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (592.795 KB) | DOI: 10.30630/eji.10.2.77

Abstract

Modernization is indeed very influential in the lives of people today, with the existence of this modern era, everything is always related to technology. The place is far enough and to find out the condition of the excess current makes the PLN officials also have difficulty because there is no monitoring tool from the situation. From the description above, the author found the idea to make a Simulation System for Monitoring Overcurrent Systems in the PLN Phase One Phase Using a Microcontroller-Based Web. The tool uses the Arduino Mega microcontroller coupled with ACS712 Flow sensors, and Ethernet Shield Modules. The way this tool works is to detect the electric current that enters the Input from the electrical equipment load on the ACS712 sensor. In testing the author only uses 3 pieces of light as a burden to determine the state of excess current. If you use 1 load, the current that is read is 0.44A with a 100 Watt lamp power. And if the load is added by 1 load with 75 Watt of light power, the current that is read becomes 0.77A. Then the load is added with 1 lamp with a power of 60 Watt, then the current becomes 1.05A with the result at all three drop loads.

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