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JTET (Jurnal Teknik Elektro Terapan)
Published by Politeknik Negeri Semarang
ISSN : -     EISSN : 25032941     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Electrical & Electronics Engineering
JTET (Jurnal Teknik Elektro Terapan) adalah jurnal ilmiah yang terbit tiga kali dalam setahun yaitu pada bulan April, Agustus, dan Desember. Jurnal ini sebagai wadah penyebarluasan ilmu dan teknologi terapan di bidang Teknik Elektro yang merupakan hasil dari penelitian dan kajian teknologi terapan dengan ruang lingkup teknik tenaga listrik, teknik elektronika, teknik telekomunikasi dan teknologi informasi.
Arjuna Subject : -
Articles 108 Documents
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Dashboard Monitoring Renstra Dan Renop Jurusan Teknik Elektro Politeknik Negeri Semarang Ningsih, Maharani Prastuti; Rahardjo, Parsumo; Nugroho, Ari Sriyanto
JTET (Jurnal Teknik Elektro Terapan) Vol 6, No 2: (Agustus 2017)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

Each department at the Polytechnic of Semarang has a Strategic Plan (Plan) and the Operational Plan (RENOP) to manage and monitor the progress of each department. One department is the Department of Electrical Engineering. In pengeleloaan strategic planning and RENOP done through an information system that is equipped with a Dashboard. Dashboard is intended to help the Department of Electrical Engineering in order to more easily in monitoring targets and achievements in strategic planning and RENOP. Dashboard development is done using the waterfall method (waterfall), starting from analysis, design, writing code, testing and maintenance. This application uses a client-server architecture. The system comes with features designed to simplify the user in seeing how the development of each unit. Users will be facilitated in terms of readability of data and given an attractive appearance so that they can easily understand what is in the data. Testing the system using the method of testing each unit function of each feature. The results of this research is an information system that can help the department head, the department secretary, and the chairman of the study program in monitoring the Strategic Plan and RENOP. Meanwhile, user satisfaction test Dashboard Monitoring and Strategic Planning Department of Electrical Engineering RENOP conducted by filling the questionnaire obtained results of 81.2%, which means that the users were satisfied with the application of Strategic Planning and Monitoring Dashboard RENOP Department of Electrical Engineering.Keywords: client-server, dashboard, waterfall
Implementasi Sistem Android untuk Efisiensi Energi Listrik pada Ruangan Menggunakan Komunikasi Wireless Syahid, Syahid; Santoso, Ari; Badruzzaman, Yusnan
JTET (Jurnal Teknik Elektro Terapan) Vol 6, No 1: (April 2017)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

Energy conservation efforts are applied at all stages of energy utilization, ranging from the initial utilization of energy resources to the final utilization, using efficient technology, and cultivate energy-saving lifestyle. The potential of energy conservation in all sectors have a huge savings opportunity, which is between 10% -35%. The savings can be realized in an easy way, can reach 10-15%, while saving the investment can reach up to 30%. With more efficient energy utilization can be achieved through: the use of energy-saving technologies; the application of energy-saving culture; application of energy conversion include planning, operation, and utilization energi.Pengontrolan supervision and monitoring energy usage can utilize evolving technologies today. Applications android based smartphone mainly grown very rapidly in various fields, one for control and of monitoring. This technology is used for the purpose of efficient use of energy, especially electrical energy. Features -Features and there yag system on smartphones support for controlling and monitoring energy usage. Smartphone can not work alone to be able to control and monitor but should be helped with some equipment that is connected directly to the peripheral controlled. Some of the equipment used is the PLC, sensor, power meter and wifi module.peralatan - dikendalikandan electrical equipment can be monitored in real time with wireless communication. The results obtained from the use of this technology can be used to monitor and control the use of energy in a space or building. Saving energy can also be done with the help of this system. Percentage savings can not be determined with certainty and further research is neededKey words: android, energy efficiency, wireless
Pandawars Game Edukasi Pewayangan Berbasis Android Nafis, Muhammad Rizqa; Yudantoro, Tri Raharjo; Sukamto, Sukamto
JTET (Jurnal Teknik Elektro Terapan) Vol 6, No 3: (Desember 2017)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

In 1960-1990, culture of wayang was idolized for every people, old, young, women, man, even childrens in Indonesia. But as time passed, wayang culture heritage decreased its fans number, because replaced with entertain-purpose media which more variative. As “PANDAWARS” game edukasi pewayangan berbasis android was built, hopefully can can increase the attraction of people especially Elementary Student in wayang which ever became idol in interesting and entertaining ways. Method to built this Final Project was using Waterfall method. This model using a systematical order start from analysis, design, coding, testing, then operation and maintenance. After testing the application on 3 android devices, the application proved can functionally operated. Then the application was tested on 20 person and the result given is 83,57 % of user’s satisfaction, that means this application was very satisfying and hopfully can be used as the purpose of this application was built.Keywords : android, construct2, pandawa, wayang
Rancang Bangun Alat Penghitung Indeks Massa Tubuh Otomatis Wardaningsih, Prima Widyawati; Nugroho, Agung Satrio; Rahmat, Basuki
JTET (Jurnal Teknik Elektro Terapan) Vol 6, No 2: (Agustus 2017)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

Tujuan dari peneliatian ini adalah merancang dan membuat alat penghitung indeks massa tubuh otomatis untuk menetukan status gizi anak. Kondisi status gizi pada anak akan sangat menentukan perkembangan kondisi fisik maupun psikologi sehingga perlu dilakukan pemantauan secara berkala terkait status gizi anak tersebut.. Salah satu indikator yang dapat dijadikan acuan untuk menentukan status gizi adalah nilai Indeks Massa Tubuh (IMT). Berdasar nilai IMT dapat diketahui status gizi seseorang. Proses penghitungan nilai IMT untuk menentukan status gizi dari anak sebenarnya dapat diringkas apabila terdapat suatu alat yang dapat melakukan 4 langkah tersebut yang dapat mengukur berat badan, mengukur tinggi badan, menghitung nilai IMT, dan mengklasifikasikan staus gizi berdasar nilai IMT yang didapat. Hal ini penting mengingat anak cukup susah untuk dikondisikan ketika akan diukur berat dan tinggi badannya. Selain itu proses pemantauan status gizi juga harus dilakukan secara berkala sehingga proses penghitungan nilai IMT anak juga harus dilakukan. Alat yang akan dibuat berbasis Arduino dan akan dilengkapi LCD sebagai display hasil pengukuran dan perhitungan. Selain itu juga akan dilengkapi thermal printer untuk mencetak langsung data hasil pengukuran dan perhitungan apabila diperlukan. Alat juga akan dilengkapi dengan sensor berat dan tinggi sehingga dapat mengukur berat dan tinggi badan secara otomatis menggunakan load cell dan sensor ultrasonik. Berdasar hasil pengujian alat yang telah dibuat memiliki akurasi pembacaan sensor berat sebesar 100%, sensor tinggi sebesar 98,75%, dan akurasi penetuan status gizi sebesar 87%.Kata Kunci : Arduino, IMT, Load cell, Ultrasonik
Sistem Informasi Manajemen Toko Berbasis Web dengan Menggunakan Barcode Scanner untuk Entri Data Yudantoro, Tri Raharjo; Suyanto, Budi; Chasanah, Annisa Uswatun
JTET (Jurnal Teknik Elektro Terapan) Vol 6, No 1: (April 2017)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

Management information system is essential for an entrepreneur, because the management information system is indispensable to know the management of the business quickly and accurately. Faiza Collection store is a retail and wholesale stores that do not have a store management information system. Faiza Collection store sells uniforms and clothing in Tanjung Pinang, Riau Islands which management data is still manual. The objective of this final project is to make store management information system to facilitate the performance of the store Faiza Collection. Store management information system was created using the Waterfall method, where each step in the methodology of research carried out in sequence, starting from the stage of requirements analysis, system design, writing code, testing programs, as well as the implementation and maintenance program. In the construction of this store management information system using CodeIgniter framework, php, javascript and html. The stores management information system has been successfully tested with both the 3 browser, the Mozilla Firefox, Google Chrome, and Internet Explorer. Based on test results obtained using a questionnaire method level of user satisfaction Store Management Information System Web-based with Barcode Scanner for data entry of 87.05%, which means that users are very satisfied with the functions and features of this system.Keywords: barcode scanners, CodeIgniter framework, information systems, store management, web
Pengembangan Alat Uji Komposisi Massa pada Logam Paduan Biner Menggunakan Sensor Load Cell dan Sensor Jarak Tipe Laser Slamet, Agus; Supriyo, Bambang; Putro, Wahju Djalmono
JTET (Jurnal Teknik Elektro Terapan) Vol 6, No 2: (Agustus 2017)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

The objective of this research is to develop and to test the prototype of equipment for testing the mass composition of a binary alloy metal. During testing, the alloy metal is placed inside the glass vessel filled with the liquid fluid, therefore the metal experiences a fluid pressure called as buoyancy. The mass composition of the alloy metal is determined based on the measurement of mass and volume of the alloy metal electronically. The mass of the alloy metal is measured using a load cell based electronic scale, while the volume of the alloy metal is indirectly determined based on the difference in fluid surface levels measured using a laser distance sensor before and after the alloy metal is dipped inside the fluid. The surface area of the glass vessel is always constant, therefore the volume of the fluid displacement which represents the volume of the alloy metal can be calculated using the standard volume formula. Three types of alloy metals with various compositions of Sn (70-80%) and Pb (15-30%) elements are used in this experiment. The experimental results show that the percentage differences in mass composition of the alloy metals measured using this equipment prototype are about  0,05% -11,76%.  The error percentage is bigger as the percentage composition of Sn element increases and the percentage composition of Pb element  decreases. This considerably error might be caused by the use of less precise laser distance sensor with thefinest detection of only about 1,01 mm in resolution.  A further research based on the use of more precise laser sensor with about 0.01 mm in resolution needs to be conducted to significantly  improve the quality measurement of the mass composition of the binary alloy metal.Keywords:  binary alloy, laser distance sensor, load cell. mass composition 
Tabiat Maling Kepot: Kereta Bayi Anti Maling dengan Kendali Posisi Tangan Agastia, Naufal; Aji, Pramuditya Purba; Wantoro, Enrico Maulana; Anggraheni, Herlambang Dianisa; Fitryan, Novia Aulia Nor
JTET (Jurnal Teknik Elektro Terapan) Vol 6, No 1: (April 2017)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

In this era, there’s so much automatic system used to help human. An example is take care of baby. Taking care baby isn’t easy, Especially when bring baby to go to somewhere outside, we will need a device namely baby stroller. But in fact, baby stroller we’ve meet still used human’s power and less of protection. TABIAT MALING KEPOT is a baby stroller anti thief that move used motor DC and controlled wirelessly using bluetooth based on hand position through a modul there’s accelerometer. This modul used in wrist. Baby stroller will go forward, backward, turn left or right based on hand tilt detected by accelerometer. Equipped with a seat belt that can locked by motor servo. With power supply Lipo 12 V 2200mAH, this device can work until an hour. TABIAT MALING KEPOT can bring max load 15 Kg with average speed 0.5 m/s till 1 m/s.  On baby stroller there are also Ultrasonic and Proximity sensor used to detect obstacle in front of baby stroller. So when there are obstacle in front of baby stroller, the baby stroller will stop automatic.Key Words : Accelerometer,  Motor DC, Motor Servo, Proximity, Ultrasonic, Wireless 
Rancang Bangun Sensor Cahaya Pendeteksi Api Pada Robot Cerdas Pemadam Api Politeknik Negeri Semarang Supriyo, Bambang; Sayekti, Ilham
JTET (Jurnal Teknik Elektro Terapan) Vol 6, No 3: (Desember 2017)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

Light sensor for fire detection has a significant role in Inteligent Fire Fighting Robot, because the detection result of the sensor is used to detect the availabilty of the fire source (candle light) in a room. If the fire is detected, then the robot will move to the fire source and finally extinguish the fire. A photo transistor which is sensitive to infra red light is used as the sensor.  The objective of the research is to test the photo transistor circuit and  to observe the voltage response of the emitter pin of the photo transistor with respect to the fire for various distances from 10 cm to 100 cm.  The collector pin of the photo transistor is connected to +5 Volt power supply, while the emitter part is connected to ground via the emitter resistor (Re).  The emitter voltage of the phoro transistor is read via Analog Input Pin A0  of Arduino UNO. This voltage represents the strength level of the fire detected by the photo transistor.  The data communication between Arduino UNO and computer is serially established via USB port. The data logging process is performed using Matlab/Simulink. Arduino UNO microcontroller is used to process the data such that the correlation between the sensor voltage and the sensor distance from the fire source can be identified.  Theexperimental results show that the use of emitter resistor (Re) 10 kOhm has the best voltage response with respect to the fire source for the distance of 10 cm to 60 cm, compared to Re = 4k7 Ohm  (for distance from 15 cm hingga 30 cm) and Re = 22k Ohm (for distance of 10 cm hingga 35 cm).  As a result, the combination of photo transistor and resistor (Re) of 10 kOhm can be applied for fire detection circuit for the distance up to 60 cm.Keywords : arduino uno, photo sensor, fire sensor

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