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INDONESIA
Journal of Electrical, Electronics and Informatics
Published by Universitas Udayana
ISSN : 25498304     EISSN : 26220393     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Electrical & Electronics Engineering
Journal of Electrical, Electronics and Informatics is a peer-reviewed journal which devoted to the advancement and dissemination of scientific knowledge concerning electrical, electronics and informatics throughout the world for researchers and professionals. The journal is an official publication of the Institute for Research and Community Services Udayana University. The scope of these areas may encompass: (1) theory, methodology, practice, and applications; (2) analysis, design, development and evaluation; and (3) scientific and technical support to establishment of technical standards in the field of electrical, electronics and informatics.
Arjuna Subject : -
Articles 80 Documents
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Status of Battery in Indonesia to Support Application of Solar PV with Energy Storage I Putu Gede Iwan Dwipayana; I Nyoman Satya Kumara; I Nyoman Setiawan
Journal of Electrical, Electronics and Informatics Vol 5 No 1 (2021): JEEI (February 2021)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2021.v05.i01.p06

Abstract

Indonesia plans to build solar PV plants to reach 6500 MW capacity by 2025. One of the solar PV applications is systems with battery storage systems. In this system, the battery is an important component of the solar PV system as it stores the energy for use when the sun is unavailable. This article reviews the status of batteries in Indonesia to support the proliferation of solar PV applications. The objective is to compile a battery database for solar PV applications. The database provides insight into technology and the availability of batteries. The database consists of 361 batteries of various technologies such as FLA, VRLA, VRLA gel, VRLA AGM, and Lithium-ion. The most widely available is the VRLA gel. In terms of voltage, batteries are available at 2 to 12 volts and with capacity from 1 to 3000 Ah. The availability of batteries shows that this field is ready to support the development of solar PV with energy storage although the field of battery recycling or its waste management requires more attention.
The Management Of Flood Protection System Of Dewa Ruci Underpass In Bali Putu Martha Risnadinata; I Nyoman Satya Kumara; Wayan Gede Ariastina
Journal of Electrical, Electronics and Informatics Vol 4 No 2 (2020): JEEI (August 2020)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2020.v04.i02.p04

Abstract

Dewa Ruci intersection is one point of traffic congestion point in Bali. Dewa Ruci is a major intersection that connects the city of Denpasar, Kuta, Jimbaran, and Nusa Dua. In addressing traffic congestion, built underpass so that traffic becomes smooth when passing through the intersection Dewa Ruci. Part of the Dewa Ruci intersection is below the ground level, so risks of flooding. The source of water that potentially fills the underpass is groundwater seepage and rainfall. The flood protection of the underpass is capable of storing 1344 m3 water and with the pumping system. In this research, the maintenance, operation, and management model of the flood protection system is developed that includes the development of organizational structures and standard operating procedures to ensure that the Dewa Ruci flood protection system works well sustainably.
Analysis Evaluation Management Information System Audit Internal Quality Dewa Ayu Putri Wulandari; Made Dona Wahyu Aristana
Journal of Electrical, Electronics and Informatics Vol 5 No 1 (2021): JEEI (February 2021)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2021.v05.i01.p02

Abstract

Information systems are very important in this globalization era. Information systems generally can be used as a reference for decision making or to monitor the progress of an activity process. In high education, information systems are no less important than information systems within the company. Higher education is an institution that uses information systems to monitor work systems to improve quality. Higher Education Institute STMIK STIKOM Indonesia has implemented an internal quality assurance system (SPMI). An example of its application is by carrying out an internal quality audit (AMI). To ensure the quality of the application meets the standards and needs of the user, it can be done by performing software testing based on the ISO 25010 standard.
Front Cover & TOC Editor JEEI
Journal of Electrical, Electronics and Informatics Vol 5 No 1 (2021): JEEI (February 2021)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

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Design of Orthogonal Variable Spreading Factor (OVSF) Performance Simulation Program in Multipath Fading Channels I Gede Arya Gangga Gajanada; Nyoman Pramaita; I Gusti Agung Komang Diafari Djuni Hartawan
Journal of Electrical, Electronics and Informatics Vol 4 No 2 (2020): JEEI (August 2020)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2020.v04.i02.p05

Abstract

The characteristics of wireless channel are determined by multipath propagation. The transmitted signal will be scattered so that it produces fading. Fading influenced by multipath component will cause delay spread which damages the signal. Thus, spread spectrum technology is used by using a bandwidth that is greater than the original signal. The objective of this study was to determine the effect of the number of multipath components on orthogonal variable spreading factor (OVSF) codes on multipath fading channels viewed from values and Bit Error Rate (BER) graphs versus Energy Bits per Noise (Eb/No). This study would compare the performance of OVSF code communication system on multipath channels by varying multipath components of 4, 8, 12, 16 and the length of OVSF codes used of 16, 8 and 4. The simulation results showed an increase in BER values when the number of multipath components was added. The more the number of multipath components used, the more the number of reflected signals that will interfere with the desired signal in the receiver. The length of the OVSF code influences the performance of the OVSF code on the multipath fading channel, because each code has a different processing gain value that is affected by the length of the code used
The Development of Solar PV Car to Reduce Carbon Emissions from Transport Sector Moch. Farhan Arieffadillah; I Nyoman Satya Kumara; Yoga Divayana
Journal of Electrical, Electronics and Informatics Vol 5 No 1 (2021): JEEI (February 2021)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2021.v05.i01.p03

Abstract

Global warming is contributed by human activities in many sectors. The sector that contributes significantly to generating carbon emissions is transportation sector. An effort to reduce carbon emissions is by utilizing PV panels on vehicle’s body surface. This paper reviews the development of vehicle-mounted PV panels around the world. The review covers technical specifications, manufacturer, and function of the PV panel on the vehicle. The objective is to get insight on the current development of vehicle with PV panels. The information presented in this paper is expected to provide updates for stakeholders in the field of renewable energy and land transportation in Indonesia. Also, this information can be used as a reference for further research on vehicle with PV panels both in Indonesia or elsewhere that are developing future environmentally-friendly vehicle. The result is a database consists of 948 vehicle which has solar PV around the body of the vehicle. 936 vehicles or about 99% were made for solar car race and only 1% for commercial and prototype. The solar PV system serves as a main or auxiliary power supply of the vehicle depending on whether they are hybrid or fully electric cars.
Operating System Realization for Real-Time Visualization of CAN-Bus Data Streams using Xilinx Zync SoC Mohammad J. M. Zedan
Journal of Electrical, Electronics and Informatics Vol 4 No 2 (2020): JEEI (August 2020)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2020.v04.i02.p02

Abstract

The revolution in the automotive industry over time led to more and more electronics to be included in the vehicle and this increased the number and space allocated for cables. Therefore, the in-vehicle cabling network has been replaced with a two-wire bus serial communications protocol called Controller Area Network (CAN). The proposed paper describes the implementation of the CAN controller as a listener to monitor the state of the CAN bus in a real-time approach. The CAN listener obtains the data from the CAN bus by using an external signals converter. The work is realized using development platform called ZedBoard. The controller performs a sequence of processes on the received CAN frames including decoding, buffering and filtering. The processed data is stored in an implemented FIFO to keep the data from loss. After that, the data is sent serially to the processor system over the implemented SPI that connects the controller with the processor of the Zynq-7000 device. A single-threaded, simple operating system is run over the processor to provide a set of libraries and drivers that are utilized to access specific processor functions. It enables the execution of the C code that was written to configure the operation of the onboard display unit. The design procedure and simulation process for the implemented CAN listener is achieved using the Xilinx ISE WebPACK environment, while the final complete design is properly tested and verified by connecting the module to a CAN network consisting of six CAN nodes.
Automation Rice and Water Filling System on Rice Cooker Via Internet of Things Fajry Adi Rahman; Josua Ronaldo Simanjuntak; Elvino Simanjuntak; Porman Pangaribuan; Willy Anugrah Cahyadi
Journal of Electrical, Electronics and Informatics Vol 4 No 2 (2020): JEEI (August 2020)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2020.v04.i02.p06

Abstract

Working and doing activities often leave someone busy with no time to do other work, such as cooking rice. Cooking rice is easy, but due to time constraints often make someone not have time to do it. This is because to cook rice in the commonly used rice cooker must be done manually. Starting from pouring rice into the pan, measuring the composition of rice and water accordingly, to pressing the warm mode button to cook button. So, to cook rice, users must spend time on the sidelines of work or activities. Based on these problems, it is necessary to design a new system on rice cookers. A system that combines rice cookers, rice storage, and gallons of water in one device. In addition to the new system that was designed, all preparations for cooking rice which previously had to be done manually can now be done automatically which is entirely controlled using a smartphone via the application. The result of this final project is the percentage of the average accuracy of the load cell sensor in calculating the mass of rice that enters the rice cooker which is 97,22% with an average percentage error of 1,41%. The average accuracy of the flowmeter sensor in calculating the volume of water that enters the rice cooker is 97.76% and the average error is 0.97%. The average time needed for sending data from the application to the automation system is 253 ms.
Automatic Cigarette Object Concealment in Video using R-CNN Kadek Utari Widiarsini; Duman Care Khrisne; I Made Arsa Suyadnya
Journal of Electrical, Electronics and Informatics Vol 5 No 1 (2021): JEEI (February 2021)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2021.v05.i01.p04

Abstract

Cigarettes are packaged processed tobacco products, produced from the Nicotiana Tabacum, Nicotiana Rustica plants and other species or synthetics that contain nicotine with or without additives. Smoking is known to the public as one of the causes of death in the world that is quite large such as asthma, lung infections, oral cancer, throat cancer, lung cancer, heart attacks, strokes, dementia, erectile dysfunction (impotence), and so on. This research aims to build an application that can recognize cigarettes automatically and conceal pictures so that people especially minors are not affected by cigarettes. The application is built using the Region-based Convolutional Neural Network (R-CNN) method. The study uses images that have cigarette objects in them. The test is carried out to find out the application performance such as the level of application accuracy in recognizing cigarette objects. Based on the test results with a sample of 126 cigarette images, the application built is able to recognize cigarette objects by obtaining an accuracy value of 63%.
Knowledge Management Systems Analysis and Planning for Employees Recruitment and Training Leon A. Abdillah; Tri A. Purwanto; Eka P. Agustini
Journal of Electrical, Electronics and Informatics Vol 4 No 2 (2020): JEEI (August 2020)
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEEI.2020.v04.i02.p01

Abstract

The development of science in the era of globalization is happening so quickly. The ability of humans to develop a variety of science (knowledge) is getting better with the tacit and explicit knowledge. From this development both tacit and explicit knowledge can be combined and varied to a Knowledge Management System. PT SCF (Limited) Palembang branch is a company engaged in the field of inspection and certification services. The problem faced by this company is that the process and media for sharing and transferring knowledge between colleagues is still small and not yet entrenched. This condition makes the company less effective in terms of producing and disseminating knowledge to staff quickly and accurately. Documentation of daily activities and routines are not carried out in a planned and integrated manner. Each department carries out its own activities in its own way, for example storing documentation on a CD, as well as a piece of paper. So the authors are interested in analyzing and designing Web Knowledge Management System. The method used is the object analysis and design method. While the tools for modeling using Unified Modeling Language (UML). The results obtained are a prototype web Knowledge Management System (KMS) that can be a media of information and knowledge sharing related to employee acceptance and training

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