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Annisa Sarah
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Prodi Teknik Elektro, Fakultas Teknik Unika Atma Jaya Jakarta BSD City, Jl. Cisauk, Sampora, Cisauk Tangerang, Banten 15345 Tel. : +62 21 570 8826 Fax : +62 21 579 00573
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INDONESIA
JURNAL ELEKTRO
Published by Universitas Katolik Indonesia Atma Jaya
ISSN : 19799780     EISSN : 27464288     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering
Jurnal Elektro diterbitkan oleh Program Studi Teknik Elektro, Fakultas Teknik Unika Atma Jaya Jakarta. Jurnal Elektro terbuka untuk penelitian dalam bidang-bidang teknik elektro seperti elektro arus kuat, elektronika, sistem kontrol atau kendali, telekomunikasi, komputer dan berbagai sub topik yang relevan terhadap perkembangan dan implementasi teknik elektro. Jurnal Elektro is published by the Electrical Engineering Bachelor Program, Faculty of Engineering, Atma Jaya Catholic University of Indonesia, Jakarta. Jurnal Elektro is open to research in the fields of electrical engineering such as power, electronics, control or control systems, telecommunications, computers and various sub-topics relevant to the development and implementation of electrical engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 247 Documents
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FORECASTING DATA TRAFFIC DEMAND FOR RURAL AREAS USING MULTI-DIMENSIONAL PARAMETERS Annisa Sarah
Jurnal Elektro Vol 12 No 1 (2019): April 2019
Publisher : Program Studi Teknik Elektro, Fakultas Biosains, Teknologi, dan Inovasi, Universitas Katolik Indonesia Atma Jaya

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Abstract

Deploying network in rural is not attractive for commercial based broadband network providers. However, it is important to provide internet access for villagers since internet may give positive impacts on social development. A failure to forecast traffic demand might lead to a sloppy network design which is inefficient and costly. The mobile traffic demand forecast method needs wider perspectives other than technical records of network providers only. This research introduces a multidimensional model to predict data traffic demand in the future, by combining government spatial planning, demography statistics, and network records. Two different areas were studied and analyzed: Panimbang and Leuwidamar districs, in Banten Province, Indonesia. The main parameter to compare single- and multi-dimensions model is the areal traffic demand. For Panimbang, the areal traffic demand for multi-dimensions model has 24 Mbps/km2 higher, compared to the single-dimension model. For Leuwidamar, the demand for multi-dimension is 10 Mbps/km2 lower, compared to the single-dimension. In case of Panimbang, a pessimistic forecasting might not be a big problem since adding cells in a dense area is not costly, however for the case of Leuwidamar, multi-dimensions models could help to design a more efficient network since the single-dimension model is too optimistic and leads to a high capital investment for providers. This multidimensional model suits best for remote and sparsely distributed users (Leuwidamar). However, it might give no high impact for residential or urban areas (Panimbang).
PERANCANGAN ANTENA MIKROSTRIP RECTANGULAR 9 RING SLOT DUAL ARRAY UNTUK APLIKASI WIFI Ragil Iman Santoso; Syah Alam; Indra Surjati
Jurnal Elektro Vol 12 No 1 (2019): April 2019
Publisher : Program Studi Teknik Elektro, Fakultas Biosains, Teknologi, dan Inovasi, Universitas Katolik Indonesia Atma Jaya

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Abstract

Tujuan dari perancangan antenna mikrostrip ini adalah untuk memperlebar bandwidth dan meningkatkan gain dengan menggunakan metode rectangular dual array 9 ring slot untuk aplikasi Wireless Fidelity pada frekuensi kerja 2400 MHz. Antena yang diusulkan menggunakan FR4 Epoxy dengan (εr) 4,3, ketebalan substrat (h) 1,6 mm dan loss tangen (tan δ) sebesar 0,0265. Antena dirancang dengan menggunakan perangkat lunak AWR Microwave Office. Metode ini digunakan untuk memaksimalkan lebar bandwidth dan nilai gain. Dari Hasil pengukuran diperoleh nilai return loss -17.294 dB, VSWR 1.316 dan nilai Gain 5.66 dB pada frekuensi kerja dengan lebar bandwidth 220 MHz ( 2556 MHz – 2336 MHz). The purpose of designing this microstrip antenna is to widen the bandwidth and increase gain by using the 9 ring slot rectangular dual array method for Wireless Fidelity applications at 2400 MHz working frequency. The proposed antenna uses Epoxy FR4 with (εr) 4.3, substrate thickness (h) 1.6 mm and loss tangent (tan δ) of 0.0265. The antenna is designed using AWR Microwave Office software. This method is used to maximize bandwidth width and gain value. From the measurement results obtained the return loss value of -17.294 dB, VSWR 1.316 and Gain value of 5.66 dB at work frequency with a bandwidth of 220 MHz (2556 MHz - 2336 MHz).
TEMPLATE JURNAL ELEKTRO Jurnal Editor
Jurnal Elektro Vol 12 No 1 (2019): April 2019
Publisher : Program Studi Teknik Elektro, Fakultas Biosains, Teknologi, dan Inovasi, Universitas Katolik Indonesia Atma Jaya

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Abstract

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Susunan Redaksi Jurnal Elektro Rizki Surya Permana
Jurnal Elektro Vol 12 No 2 (2019): October 2019
Publisher : Program Studi Teknik Elektro, Fakultas Biosains, Teknologi, dan Inovasi, Universitas Katolik Indonesia Atma Jaya

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Abstract

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Indek Pengarang Jurnal Vol 12.2 Rizki Surya Permana
Jurnal Elektro Vol 12 No 2 (2019): October 2019
Publisher : Program Studi Teknik Elektro, Fakultas Biosains, Teknologi, dan Inovasi, Universitas Katolik Indonesia Atma Jaya

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Abstract

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Indek Subjek Jurnal Elektro Vol 12.2 Rizki Surya Permana
Jurnal Elektro Vol 12 No 2 (2019): October 2019
Publisher : Program Studi Teknik Elektro, Fakultas Biosains, Teknologi, dan Inovasi, Universitas Katolik Indonesia Atma Jaya

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Analisis Sinyal ECG (Electrocardiogram) pada Aktivitas Duduk dan Berdiri dengan Metode HRV (Heart Rate Variability) pada Domain Waktu Jane Sihotang; Harlianto Tanudjaja; Kumala Indriati; Sung-Nien Yu
Jurnal Elektro Vol 12 No 2 (2019): October 2019
Publisher : Program Studi Teknik Elektro, Fakultas Biosains, Teknologi, dan Inovasi, Universitas Katolik Indonesia Atma Jaya

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Abstract

SVM is one of machine leaning is used for pattern recognition classification. In this research, linear SVM methods will be applied to analyze multivariable classification. As an input signal the PQRST signal is used from the measurement results of the ECG cardiac activity device. ECG signals in this study were processed using HRV methods in the time domain. Classification is used to compare ECG signals from measurement result in sitting and standing activities. As a tool designed a heart rate monitoring tool (ECG) with a processor using the Arduino UNO module and the AD8232 ECG amplifier module . The results of ECG signal extraction by the HRV method obtained 11 ECG features (variables). In the traning data contain 10 data and one other file containing 4 ECG data for testing data. In the data transfer process there are 110 features of traning data and 44 features in testing data. The results of the traning data have 100 % accuracy, so that it will procedure a hyperplane that is able to separate the two classes sitting and standing. From the results of testing with the hyperplane the system can classify properly.
RANCANG BANGUN RECTANGULAR PATCH ANTENA MIKROSTRIP DENGAN METODE ARRAY 8 ELEMEN YANG BEKERJA PADA FREKUENSI 11 GHZ Hilmiah Hidayana; Syah Alam; Indra Surjati
Jurnal Elektro Vol 12 No 2 (2019): October 2019
Publisher : Program Studi Teknik Elektro, Fakultas Biosains, Teknologi, dan Inovasi, Universitas Katolik Indonesia Atma Jaya

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Abstract

In this research, the design and fabrication of microstrip antennas with circular polarization was is done to overcome the deviation of the antenna polarization angles, using microstrip line fed with a coaxial probe for Microwave Radio applications that work on the 11 GHz frequency band. To be able to produce circular or circular polarization on each patch of antenna arranged in an array, then it is done bit by bit (iteration) with the truncated corner technique on the edges and angles of the rectangular patch to produce an Axial Ratio of dec 3 deciBell.The type of substrate used in this study is FR4 with a relative dielectric constant value (Ɛr) = 4.58 and thickness (h) = 1.6 mm. By adjusting the cutting angle on the side of the patch, a circular polarization is generated with an Axial Ratio of a software simulation result of 1.065 dB and a bandwidth of 900 MHz at a frequency of 11 GHz. The final result of antenna fabrication tested at the Indonesian Institute of Sciences (LIPI) Electronics and Telecommunications laboratory in Bandung on May 29, 2019 consisted of a return loss value of -20,14 dB and VSWR 1.22 on the 11000 MHz frequency. The radiation pattern measurement results in a Half Power Beam Width value of 20 ° and an antenna gain of 7.02 dBi.
PENGEMBANGAN MOBILE ROBOT MULTIPLATFORM “ATMAROBO” SEBAGAI SARANA PENINGKATAN MINAT REMAJA DI BIDANG ROBOTIKA Evans Karlin; Nova Eka Budiyanta; Melisa Mulyadi; Harlianto Tanudjaja
Jurnal Elektro Vol 12 No 2 (2019): October 2019
Publisher : Program Studi Teknik Elektro, Fakultas Biosains, Teknologi, dan Inovasi, Universitas Katolik Indonesia Atma Jaya

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Abstract

This study aims to develop an attractive multiplatform learning robot and supported by a programming system that is easily understood by adolescents. Learning robots developed are wheeled educational robots that can be controlled manually using a controller (manual transporter) and automatically using sensors (line follower and automatic avoider). As data processing on the robot, two Arduino Nano are used with the help of Arduino IDE software, and for sending data, serial communication between Arduino Nano is used. The sensors used in this robot are light based sensors for line follower and ultrasonic for automatic avoiders. In addition, there is a separate controller from the robot in the form of the MIT APP Inventor program installed on a smartphone device and connected to the Bluetooth module on the robot for manual transporter. From the test results, the robot runs accurately following the black or white lines and successfully moves items, for automatic avoiders the robot can detect walls and follow the grooves of the wall with an angle of 90 degrees, while for manual transporter robots can be controlled using a controller application on an Android-based smartphone developed with MIT APP Inventor.
Rancang Bangun Wireless Power Transfer (WPT) Menggunakan Prinsip Resonansi Induktif Elektromagnetik dan Blocking Oscillator dengan Coil Berbentuk Spiral Mendatar Arief Karyadi Prasojo; Indra Surjati
Jurnal Elektro Vol 12 No 2 (2019): October 2019
Publisher : Program Studi Teknik Elektro, Fakultas Biosains, Teknologi, dan Inovasi, Universitas Katolik Indonesia Atma Jaya

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Abstract

Along with the development of the technology even more advanced and requires humans to create the latest technology to simplify and accelerate work and just a lifestyle to indulge themselves in undergoing their daily activities. Cordless power transfer is a system of power transfer without using cables that are directly connected between voltage sources and electronic devices that are expected to simplify and improve the quality of human lives. This study aims to design a wireless power transfer. In this case the method or principle of electromagnetic inductive resonance is used among several other methods including radio waves and laser light. The main results to be achieved are providing information that it turns out that energy can be channeled without using cable media directly. This wireless energy transfer proves that the energy from electromagnetic waves around us can be harvested again into alternative energy sources and this is very promising.

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