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Journal of Electrical Technology UMY
Published by Universitas Muhammadiyah Yogyakarta
ISSN : 25501186     EISSN : 25806823     DOI : 10.18196/jet
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Library & Information Science
The Journal of Electrical Technology UMY (JET-UMY) is a peer-reviewed journal that publishes original theoretical and applied papers on all aspects of Electrical, Electronics, and Computer Engineering.
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Articles 5 Documents
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Search results for , issue "Vol 2, No 3 (2018)" : 5 Documents clear
A Neuro-Fuzzy Approach for Vehicle Fuel Consumption Prediction Indah Soesanti; Ramadoni Syahputra
Journal of Electrical Technology UMY Vol 2, No 3 (2018)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.2339

Abstract

This paper presents a neuro-fuzzy approach for predicting vehicle fuel consumption. The prediction of fuel consumption of a vehicle has become a strategic issue. This is because it is not only related to the problem of the availability of fuel which is getting thinner but also the problem of the environmental impact caused. In this study, the acquisition of the car parameter data was inputted, namely the number of cylinders, displacement, horsepower, weight, acceleration, and model year. The output variable that will be predicted is fuel consumption in miles per gallon (MPG). 'Weight' and 'Year' are chosen as the two best input variables. Training results and predictions are expressed in the three-dimensional input-output surface graph of the best two-input ANFIS model for MPG prediction. The graph shows a nonlinear and monotonic surface, where MPG is predicted to increase with an increase in 'Weight' and a decrease in 'Year'. The results of the RMSE training were 2.767 and the RMSE examination was 2.996. Based on the results of the study showed that the greater the weight of motor vehicles, the greater the amount of fuel needed to travel the same distance.
Development of Data Acquisition System Using LabVIEW-based Interface for Aircraft Application Mujaahid, Faaris; Anjasmara, Fuad Hammaminata Arya; Wiyagi, Rama Okta; Putra, Karisma Trinanda
Journal of Electrical Technology UMY Vol 2, No 3 (2018)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.2340

Abstract

This paper discusses an interface data acquisition (DAQ) of a rocket using LabVIEW. The software development is meant to improve the quality and reliability of the interface that has been built by the UMY rocket team. The data used on the experiments is a set of dummy data created for simulation purpose. This data is generated by Arduino UNO, in which it was acquired by LabVIEW through VISA serial communication platform. The test results show that there is 10% error during the data retrieval. The DAQ average speed is 270 milliseconds. This new approach has more stable and reliable system when compared to previous algorithm.
Study and Implementation of Adaptive Meat in Core Network in PT Indosat Ooredoo Yudhi Ardiyanto; Widyasmoro Widyasmoro; Yessi Jusman; Kharisma Fajar Sidik
Journal of Electrical Technology UMY Vol 2, No 3 (2018)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.2341

Abstract

Telecommunications technology is always developing every time from the beginning of the emergence of the first technology known as 1G in 1980 until now its development is growing rapidly, in this year 2019 telecommunications technology is using 4G technology that is sophisticated enough, to balance the sophistication, it must have efficient telecommunications procedures so that more optimal. One way to make the procedure more optimal, especially in paging, is by modifying the core network configuration located on the SGSN, from the initial use of the paging configuration to the adaptive paging configuration and prove whether it is more optimal by comparing the two configurations. The results of research that have been obtained from PT Indosat Ooredoo is that on SGSN Banjarmasin 4 (SGBJM4) an increase in the percentage of Paging Success Rate (PSR) of 0.96%. In SGSN Banjarmasin 5 (SGBJM5), the percentage value increased 0.1%. In SGSN Pontianak 1 (SGPTK1) an increase in the percentage value of 0.04%. As for the RRC Paging Discard Ratio (PDR) decreased when using the adaptive paging configuration by 48.85%.
Electrical System Design and Installation of New Building, Aisyiyah University, Yogyakarta Suripto, Slamet; Jamal, Agus; Purwanto, Kunnu; Wicaksono, Wahyu Nugroho; Jusman, Yessi
Journal of Electrical Technology UMY Vol 2, No 3 (2018)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.2337

Abstract

Aisyiyah University New Yogyakarta Building is one of the commercial buildings that moves the field of education in Yogyakarta. The New Building of Aisyiyah University Yogyakarta consists of 10 floors, including the basement floor, main floor and roof floor. Electric loads installed at the New Building of Aisyiyah University Yogyakarta include lighting loads (lights) and power loads (sockets) and the power loads of electric motors (air conditioners, elevators and others), which of course requires a large enough electricity supply. Electricity installed in the New Building of Aisyiyah University in Yogyakarta is 1010.9 kVA. The power supplied is 800 kVA from State Electricity Company and the total power capacity of the transformer is 1000 kVA and a generator set with a capacity of 1000 kVA. Where the backup power supply system is fully supplied by the generator set.
Analysis of Losses of propulsion systems on Electric Diesel Rail Trains Jamal, Agus; Chamim, Anna Nur Nazilah; Putra, Karisma Trinanda; Masfiyah, Nisfi Nurlailatul; Jusman, Yessi
Journal of Electrical Technology UMY Vol 2, No 3 (2018)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jet.2338

Abstract

Train is one of transportation which supports the mobilization of society. Futhermore, it is affordable and comfortable so that people prefer using it. One of trains which is usually used by many people is KRDE or electric diesel railway, which is an innovation of technology in PT. INKA based on railway industry. It is one of railway that need electricity as the main source of energy that comes from alternator. it will handle all power of load needs on KRDE like as propulsion and auxiliary load. Therefore, the fluency of KRDE is affected by electrical system of the railway, which is mostly affected by propulsion load because it needs bigger power than auxiliary load. In this research presents about losses calculation on KRDE that are Three- phase rectifier, Variable Voltage Variable Frequency (VVVF) inverter and Three phase induction motor. Three phase rectifier and VVVF inverter will simulated by PSIM software to understand how the circuit work. The results of this research are explain about the number of loss energy in three phase rectifier is 21,6 Watt. In VVVF inverter and three induction motor, there are five samples. From analysis of the samples result that VVVF inverter has the highest efficiency 95,53% with loss energy 19,992 KW, which on 645 Volt about output voltage and 90 Hz about output frequency. In three phase induction motor, 91, 426% is the highest efficiency and it has 18,211 KW at loss energy, which on 635 Volt about input voltage and 36,38 Hz about input frequency. Then, the highest efficiency of propulsion system is 94,59% and 53,38 KW about loss energy, which on 635 Volt about input voltage and 36,38 Hz about input frequency in induction motor.

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