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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 5 Documents
 1 
Search results for , issue " Vol 6, No 3: (Desember 2017)" : 5 Documents clear
Sistem Smart Parking Terdistribusi dengan Menggunakan Mobile Cloud Computing Arfan, M; Sumardi, Sumardi; Riyadi, Munawar Agus
JTET (Jurnal Teknik Elektro Terapan) Vol 6, No 3: (Desember 2017)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

The availability of parking space for urban areas is very limited. Parking lots in office complexes and community centers are still not able to accommodate the number of motor vehicles that increase each year. According data from the Central Bureau of Statistics, the number of motor vehicles has reached 129.2 million units by 2016. This has not been supported by parking managers ability to compensate for the growing number of vehicles using parking services. Some parking managers have been using the computer as a means of parking management support. The computer functions as an incoming data logging machine, a parking rate payment system and a security control of the document. On the other hand, information about the availability of parking lots is needed by parking service users. The data provided by the parking operator has not been able to provide information on the density of the parking lot in several parking locations in one area. From the problem, it is necessary to build a smart parking system that can provide information density of several parking locations. The data on the parking register engine can be processed into parking information on mobile cloud devices then provide the shortest route recommendations using the Dijkstra algorithm. With mobile computing technology, parking lava availability information will take place in real-time. Identification of capacity and density of each parking space is realized in the form of mobile cloud-based applications.Keywords : mobile computing, cloud computing, smart parking, Dijkstra
Implementasi Adjustable Frequency Menggunakan Protokol I^2 C pada Pulse Width Modulation Generator Berbasis Field Programmable Gate Array (FPGA) Gandha, Gutama Indra
JTET (Jurnal Teknik Elektro Terapan) Vol 6, No 3: (Desember 2017)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

Pulse Width Modulation (PWM) has widely used in industrial and domestic applications. The advantages of the PWM utilization is low power loss in device switching process. It affects the device power consumption. The conventional PWM generation including the analog circuitry. However it has several disadvantages including high complexity, hard to modify and low flexibility. Microcontroller is an electronic device that has capabilities to generate PWM signal. The frequency of PWM signal generated by microcontroller is fixed or unchangeable.  Many applications require PWM signal with adjustable frequency feature. The FPGA is a solution to resolve the problem. The  interface has been used to provide the communication line between FPGA and other devices. The FPGA based- PWM generation has precision level and error by 94% and 6%.Keywords : field programmable gate array, pulse width modulation, IC Design Keyword
Penggunaan Energi Listrik LPJU di Sebagian Wilayah Tembalang Pasisarha, Daeng Supriyadi; Adiwismono, Agus; Makhfud, Makhfud
JTET (Jurnal Teknik Elektro Terapan) Vol 6, No 3: (Desember 2017)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

Lampu penerangan jalan umum mempunyai fungsi untuk menghasilkan kesan kontras antara obyek dan permukaan jalan, membantu navigasi pengguna jalan, meningkatkan keselamatan dan kenyamanan pengguna jalan, mendukung keamanan lingkungan, serta menghadirkan keindahan lingkungan jalan. Permasalahan PJU kemungkinan berkenaan jumlah konsumsi daya yang digunakan cukup banyak khususnya oleh lampu berdaya besar. PJU tersebut tidak efisien dalam hal penggunaan lampu, waktu pengoperasian lampu, dan teknologi lampu yang digunakan. Efisiensi dalam hal ini merujuk pada sejumlah konsep yang terkait pada kegunaan pemaksimalan serta pemanfaatan seluruh sumber daya. Kajian dilakukan terhadap penggunaan dalam kondisi kegiatan sehari-hari. Hasil evaluasi penggunaan energi listrik  LPJU Kelurahan Tembalang Semarang selama tahun 2015 telah terjadi pemborosan sebanyak 11 % sampai 115 %. Upaya penghematan energi listrik cukup bermakna dapat dilakukan dengan cara pendekatan struktural melalui perencanaan operasional alat pencahayaan jalan umum. Ada potensi penghematan setiap bulan minimal 11 %. Berdasarkan hasil tersebut Pemerintahan Kelurahan Tembalang sebagai lembaga pelaksana layanan masyarakat umum dapat berperan serta aktif dalam perencanaan dan pelaksanaan kegiatan sosialisasi dan promosi tindakan penghematan penggunaan listrik secara lebih efisien sehingga mendukung tindakan  penghematan pemakaian energi listrik serta upaya konservasi energi secara umum. kata kunci : penggunaan energi, energi listrik, lampu penerangan, LPJU, Tembalang.
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 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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