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Jurnal Teknologi dan Sistem Komputer

JTSISKOM
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Published by Universitas Diponegoro

ISSN : 26204002 EISSN : 23380403 DOI : -

Core Subject : Science, Engineering,

Computer Science & IT Electrical & Electronics Engineering

Jurnal Teknologi dan Sistem Komputer (JTSiskom, e-ISSN: 2338-0403) adalah terbitan berkala online nasional yang diterbitkan oleh Departemen Teknik Sistem Komputer, Universitas Diponegoro, Indonesia. JTSiskom menyediakan media untuk mendiseminasikan hasil-hasil penelitian, pengembangan dan penerapannya di bidang teknologi dan sistem komputer, meliputi sistem embedded, robotika, rekayasa perangkat lunak dan jaringan komputer. Lihat fokus dan ruang lingkup JTSiskom. JTSiskom terbit 4 (empat) nomor dalam satu tahun, yaitu bulan Januari, April, Juli dan Oktober (lihat Tanggal Penting). Artikel yang dikirimkan ke jurnal ini akan ditelaah setidaknya oleh 2 (dua) orang reviewer. Pengecekan plagiasi artikel dilakukan dengan Google Scholar dan Turnitin. Artikel yang telah dinyatakan diterima akan diterbitkan dalam nomor In-Press sebelum nomor regular terbit. JTSiskom telah terindeks DOAJ, BASE, Google Scholar dan OneSearch.id Perpusnas. Lihat daftar pengindeks. Artikel yang dikirimkan harus sesuai dengan Petunjuk Penulisan JTSiskom. JTSiskom menganjurkan Penulis menggunakan aplikasi manajemen referensi, seperti Mendeley, Endnote atau lainnya. Penulis harus register ke jurnal atau jika telah teregister, dapat langsung log in dan melakukan lima langkah submisi artikel. Penulis harus mengupload Pernyataan Pengalihan Hak Cipta saat submisi. Artikel yang terbit di JTSiskom akan diberikan nomer identifier unik (DOI/Digital Object Identifier) dan tersedia serta bebas diunduh dari portal JTSiskom ini. Penulis tidak dipungut biaya baik untuk pengiriman artikel maupun pemrosesan artikel (lihat APC/Article Processing Charge). Jurnal ini mengimplementasikan sistem LOCKSS untuk pengarsipan secara terdistribusi di jaringan LOCKSS privat.

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Articles 6 Documents

Search results for , issue "Volume 1, Nomor 2, Tahun 2013 (April 2013)" : 6 Documents clear

Perancangan Jaringan Sensor Terdistribusi untuk Pengaturan Suhu, Kelembaban dan Intensitas Cahaya Bimo Ananto Pamungkas; Adian Fatchur Rochim; Eko Didik Widianto
Jurnal Teknologi dan Sistem Komputer Volume 1, Nomor 2, Tahun 2013 (April 2013)
Publisher : Department of Computer Engineering, Engineering Faculty, Universitas Diponegoro

This paper contains distributed sensor system design for temperature, air humidity, and light intensity monitoring in greenhouse based Arduino Uno board. System contains 2 sensor-actuator nodes, and 1 controller node connected to Ethernet network through Ethernet Shield board. Sensor-actuator node with DHT 11 sensor works for taking environment informations such as temperature, air humidity, and light intensity, runs actuation in the form of emulating LED lights; and communicates with controller node which will process data using serial wire as a communication tool between nodes. Monitoring datas and user control interface is provided by controller node which can be accessed online in web browser. The system ability for monitoring environment in greenhouse and online access of environmental data generates controllable and automatic monitoring and management of plants.

Implementasi Jaringan Syaraf Tiruan Perambatan Balik untuk Memprediksi Harga Logam Mulia Emas Menggunakan Algoritma Lavenberg Marquardt Reza Najib Hidayat; R. Rizal Isnanto; Oky Dwi Nurhayati
Jurnal Teknologi dan Sistem Komputer Volume 1, Nomor 2, Tahun 2013 (April 2013)
Publisher : Department of Computer Engineering, Engineering Faculty, Universitas Diponegoro

Gold is one of commodities investment which its value continue to increase by year. The rising price of gold will encourage investors to choose to invest in gold rather than the stock market. With the risks that are relatively low, gold can give better resultsin accordance with its increasing price. In addition, gold can also be a safe value protector in the future.The Objectives of the research are to predict the price of gold using artificial neural networks backpropagations methods and to analyze best network used in prediction. In the process of training data, it is used some training parameters to decide the best gold prediction architecture. Comparative parameters that is used are the variation of the number of hidden layers, number of neurons in each hidden layer, learning rate, minimum gradients and fault tolerance. The results showed that the best architecture has an accuracy rate of 99,7604% of data training and test data at 98,849% with architecture combinations are have two hidden layer neurons combined 10-30, the error rate 0.00001 and 0.00001 of learning rate.

Sistem Informasi Kerja Praktek dan Tugas Akhir Program Studi Sistem Komputer Karlina Kusumaningrum; Adian Fatchur Rochim; Rinta Kridalukmana
Jurnal Teknologi dan Sistem Komputer Volume 1, Nomor 2, Tahun 2013 (April 2013)
Publisher : Department of Computer Engineering, Engineering Faculty, Universitas Diponegoro

Information technology development today resulted in the growing number of internet users. Easy access of the internet makes it as a media presentation of data to both individuals and institutions. It is similar with Computer System major that has taken advantage of the Internet to provide a variety of information to both academic and community service in the field of information technology. But it is still using manual method to organize and inventory data associated with the On-Job Training (KP) and Final Project (TA) in a site. One way to ease the data organization is to design an information system that can record and organize all the data held by the Computer System. Design and Implementation phase begins with system requirement analysis. Its objection is to get a proper system specification. In design phase, Data Flow Diagram is used to represent data in a logic way. The result from design phase then implements with PHP programming language, associated with Database Management System MySQL, and Javascript to generate a dynamic web-based information system. The previous research “Perancangan Sistem Informasi Seminar dan Tugas Akhir Mahasiswa Jurusan Teknik Elektro Undip” was to organize database final project consist of schedule, seminar schedule, and test schedule. It used Unified Modeling Language (UML) consist of use case and activity diagram. The users of this information system were two, that were called admin and student. The result from information testing showed that all features like organizing students data, organizing teacher data, printing KP and TA data, uploading KP and TA data, alerting KP and TA coordinator about the schedule of the students worked well. The current research use Entity Relationship Diagram model system. This information system has five users, that are admin, student, teacher, KP coordinator, and TA coordinator.

Pembuatan Aplikasi Mobile Learning sebagai Sarana Pembelajaran di Lingkungan Universitas Diponegoro Afandi Nur Aziz Thohari; Kodrat Iman Satoto; Kurniawan Teguh Martono
Jurnal Teknologi dan Sistem Komputer Volume 1, Nomor 2, Tahun 2013 (April 2013)
Publisher : Department of Computer Engineering, Engineering Faculty, Universitas Diponegoro

Mobile learning is the intersection of Mobile Computing and E-Learning that provides the resources that can be accessed from anywhere, a powerful search system capabilities, rich interaction, full support for effective learning and assessment based on performance. E-learning has the characteristics are independent of place and time. Education requires an alternative model of learning has not characteristic depending on location and time. In addition to the proficiency level, an alternative model is also expected to provide knowledge sharing and visualization facilities of knowledge so that knowledge becomes more interesting and easy to understand. Mobile learning application built to run on android operating system. Android operating system was chosen because it has mastered the current android smartphone market and is an open source operating system that is easy to develop. Android versions that support this application is version 2.2 to 4.2. Using jQuery mobile framework allows users to access the M-Learning. Because besides its attractive, jQuery mobile display can also customize the display of the mobile device.

Analisis Perbandingan Unjuk Kerja Sistem Penyeimbang Beban Web Server dengan HAProxy dan Pound Links Dite Ardian; Adian Fatchur Rochim; Eko Didik Widianto
Jurnal Teknologi dan Sistem Komputer Volume 1, Nomor 2, Tahun 2013 (April 2013)
Publisher : Department of Computer Engineering, Engineering Faculty, Universitas Diponegoro

The development of internet technology has many organizations that expanded service website. Initially used single web server that is accessible to everyone through the Internet, but when the number of users that access the web server is very much the traffic load to the web server and the web server anyway. It is necessary for the optimization of web servers to cope with the overload received by the web server when traffic is high. Methodology of this final project research include the study of literature, system design, and testing of the system. Methods from the literature reference books related as well as from several sources the internet. The design of this thesis uses Haproxy and Pound Links as a load balancing web server. The end of this reaserch is testing the network system, where the system will be tested this stage so as to create a web server system that is reliable and safe. The result is a web server system that can be accessed by many user simultaneously rapidly as load balancing Haproxy and Pound Links system which is set up as front-end web server performance so as to create a web server that has performance and high availability.

Purwarupa Sistem Pemantau dan Peringatan Kadar Gas Karbon Monoksida (CO) pada Kabin Mobil Berbasis Mikrokontroler ATMega8 Anggit Perdana; Adian Fatchur Rochim; Eko Didik Widianto
Jurnal Teknologi dan Sistem Komputer Volume 1, Nomor 2, Tahun 2013 (April 2013)
Publisher : Department of Computer Engineering, Engineering Faculty, Universitas Diponegoro

High growth in vehicle, contribute air pollution and reduce human health quality. One of pollutants that generated by motor vehicle emissions is carbon monoxide (CO). CO gas can cause health problems for humans, even if exposed to long periods time will cause death. Emission test devices have been widely available in many auto repair shops, but at the moment emission testing, only read gas source or emissions sources from the muffler hole. Cabin space usually escaped from checking, whether there is pollution that enters the cabin or not. This final project has a purpose to design a carbon monoxide detector devices which will show the levels of carbon monoxide (CO) into 4 categories of air quality,that are safe, wary, watch out, and danger. System will automatically warning the driver if the gas exceeds the threshold. Microcontroller that used as the central data processing data is microcontroller Atmega 8, by ATMEL and use gas censor TGS 2442. Design begin with a hardware schematic and software design using BASCOM-AVR. Implementation phase include the implementation of the physical device, programs, and censor. Testing phase is done by testing the tool using 3 gas source, that are cigarette smoke, motorcycle exhaust, and car exhaust. The test result showed that the highest error rate on these tool when compared with a comparable gas analyzer scott instruments is 6.46%, with 93.54% accuracy rate. This CO gas monitor hasadvantage easily portable and include three actuators, that are LCD will show the levels of CO gas, buzzer will give warning sound when gas exceeds the threshold, and the vibrating motor provide tactile warning to the user.

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