INFOKUM
The INFOKUM a scientific journal of Decision support sistem , expert system and artificial inteligens which includes scholarly writings on pure research and applied research in the field of information systems and information technology as well as a review-general review of the development of the theory, methods, and related applied sciences. Software Engineering. Image Processing Datamining Artificial Neural Networks
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<![CDATA[A MEDIUM VOLTAGE 2O KV DISTRIBUTION LINE SECURTY SYSTEM BASED LIGHTNING SUN PT. PLN (PERSERO) ULP PERDAGANGAN ]]>
<![CDATA[Jeki Irwanda]]>;
<![CDATA[Hamdani Hamdani]]>;
<![CDATA[Adi Sastra P Tarigan]]>
<![CDATA[ INFOKUM Vol. 10 No. 02 (2022): Juni, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Feeders PRD.01 a distribution channel 20 kV medium voltage substations sourced from Pesanggaran and serve consumers of electricity in the area and surrounding Perdagangan. Perdagangan Feeders mostly through the coastal areas. According to data obtained from the BMKG, lightning phenomenon that occurs with the maximum number of strikes per month to more than 6000 lightning to the ground and more than 1000 lightning to the cloud. Based on data PT PLN (Persero) ULP Perdagangan , during the period of 2010 feeders Perdagangan experienced 12 times lightning surge disturbances resulting feeders off (trip). Reduce the occurrence of interruptions of feeders and reduce damage to equipment in medium voltage distribution lines caused by lightning on surja. Wire ground attacks on medium voltage air channels combined with lightning arrester along 12 ,45 miles on air duct medium voltage. Ground wire serves as the main seat in medium voltage distribution channels against disruption while lightning strikes lightning arrester serves to protect the network from intrusion when lightning strikes the ground wire failed in protecting the chain lightning arrester will back up work from the ground wire system to protect the system from tampering distribution chain lightning. The analysis result of the ground, against the installation of wire showing the decreasing the number of thunderbolt from 43 time to be 28 times struck with forming an angle conservation 55o. So that it can be constructed in say succeeded in reducing the number of interference lightning and apply them to the system can be in feeders who have often have been affected.]]>
<![CDATA[ALPHABETIC LETTER RECOGNITION APP FOR AUTISTIC STUDENT LEARNING USING FLASH MULTIMEDIA ON HOMESHCOOLING ]]>
<![CDATA[M.Rizki Khadafi]]>;
<![CDATA[Melva Sari Panjaitan]]>;
<![CDATA[Zulham Sitorus]]>
<![CDATA[ INFOKUM Vol. 10 No. 02 (2022): Juni, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[This study discusses how to teach children who have special abilities with the application of Macromedia Flash 8, Adobe Audition 1.5, Adobe Photoshop CS3 with the Software Development Life Cycle (SDLC) method by displaying Audio Visual. This study aims to assist in the learning process for autistic children so that they can recognize letters by utilizing computer technology. That way, autistic children can learn and recognize letters like normal children in general and can develop their talents]]>
<![CDATA[PLANNING OF LAKE TOBA TOURISM DESTINATIONS IN TAMBUNAN VILLAGE WITH A CONTEMPORARY ECO-TOURISM APPROACH ]]>
<![CDATA[Mayaman Maruli H. Tambunan]]>;
<![CDATA[Bhakti Alamsyah]]>
<![CDATA[ INFOKUM Vol. 10 No. 02 (2022): Juni, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[For this time, Lake toba is one of many tourism development area included in the National Tourism Strategic Area which is stated in Government Regulation Number 50 of 2011 about National Tourism Development Master Plan 2020. Therefore, this research has the aim of being a tourism residential facility that meets the requirement of liveable houses and tourism. The research aims to plan and design tourism supporting residential facilities (homestay) the requirements for liveable housing, tourism standards and local wisdom in the lake toba. This activity takes place during September -December 2020. The method used is a surcey of existing conditions, and architectural planning analysis]]>
<![CDATA[ANALYSIS OF THE EFFECT OF COAL QUALITY ON THE ELECTRICITY GENERATING COST AT A SUSUSTEAM POWER PLANT ]]>
<![CDATA[Dandi Pratama]]>;
<![CDATA[Solly Aryza Lubis]]>;
<![CDATA[Hamdani Hamdani]]>
<![CDATA[ INFOKUM Vol. 10 No. 02 (2022): Juni, Data Mining, Image Processing, and artificial intelligence ]]>
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<![CDATA[Coal is one of the most extensively used energy sources in power plants. The analysis conducted on the Susu Steam Power Plant Unit 2 in 2021 showed that the lower the calorific value of the coal used, the greater the mass flow rate of coal, while the mass flow rate of steam is relatively the same. The higher the load, the higher the coal mass flow rate, the lower the specific fuel consumption (kg/kWh), and the lower the heat rate. Additionally, the thermal efficiency increases. If a load of 70 MW to 100MW is employed, it will save more on coal usage with a composition of 100% LRC. At a load of 100to 180MW, it is more efficient to use coal with a composition of 25% MRC and 75% LRC. From the average value of the production cost, the use of coal with 100% LRC composition is more efficient, but it cannot achieve the highest load with this composition. When examined from the average value, the one that can meet the largest load and is more efficient is employing a coal composition of 25% MRC and 75% LRC]]>
<![CDATA[APPLICATION OF K-NEAREST NEIGHBOR METHOD IN CLASSIFICING THE RATE OF PAPAYA MURABILITY BASED ON FRUIT COLOR FORM ]]>
<![CDATA[Danu Wardhana Azhari]]>;
<![CDATA[Zulham Sitorus]]>;
<![CDATA[Zulfahmi Zulfahmi]]>
<![CDATA[ INFOKUM Vol. 10 No. 02 (2022): Juni, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Papaya is a type of nutrient-rich fruit that offers many health benefits. The highest nutritional content in papaya is vitamin A. Papaya is also a climbing fruit that is usually harvested and distributed. In an immature state with different degrees of aging. The high public awareness of the importance of consumption of papaya fruit affects the increase in demand for papaya fruit and therefore supply. The K-NN algorithm produces an accuracy rate of 75% and error 25% with 3 attributes, 3 classes and 18 data for classifying. The results of the model carried out are quite good by looking at the resulting accuracy value, although it is not 100% perfect. The author hopes that further research will apply the same parameters to avoid missing values in pre-processing data. It is hoped that further research will be developed by applying this classification model with other and larger data]]>
<![CDATA[LIBRARY SYSTEM USING QR CODE WEB WITH CODEIGNITER FRAMEWORK ]]>
<![CDATA[Ernanda Setiawan]]>;
<![CDATA[Arpan Arpan]]>;
<![CDATA[Zulfahmi Syahputra]]>
<![CDATA[ INFOKUM Vol. 10 No. 02 (2022): Juni, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[PAB 5 State Elementary School Library is an educational institution with a complete collection of library materials. A general collection of books provided for library visitors in the textbook collection. In the workflow, the process of storing and borrowing library materials is still done manually, without using an information system to improve the quality of service for librarians or administrators. These conditions became the basis for developing a library system using a web-based QR code using the CodeIgniter Framework. The Waterfall method is used to develop the system, CodeIgniter is used to create the framework, and MySQL is used to store the database. The system built at SD PAB 5 can improve the performance of library services in terms of efficiency and efficiency, and can reduce errors in processing library materials because it uses a QR code.]]>
<![CDATA[ANALYSIS OF CONTROL SYSTEM MODIFICATIONS ON COAL FEEDER MOTORS TO ACCELERATE MILL RECOVERY DURING COAL BLOCKING DISTURBANCES ]]>
<![CDATA[Erwin Harahap]]>;
<![CDATA[Solly Aryza]]>;
<![CDATA[Adi Sastra P Tarigan]]>
<![CDATA[ INFOKUM Vol. 10 No. 02 (2022): Juni, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Coal feeder is one of the main tools in a Steam Power Plant (PLTU) which is used to regulate the rate of coal. The coal feeder is in charge of controlling the amount of coal that enters the mill according to the needs of the fuel used in the boiler. The feeder is the main equipment in the power plant that functions in regulating the rate of coal from the coal bunker. This study aims to determine the cause of the Emergency Diesel Generator when it fails to start, modification of the Emergency Diesel Generator work system and Emergency performance. From the results of the research, it was tested that the implementation of the control system modification in accelerating mill recovery when there was a caol blocking disturbance at the PLTU in unit 1 in Pangkalan Susu. The conclusion of this study aims at the reliability of the coal unit. The cleaning process becomes easier and more efficient to maximize. .]]>
<![CDATA[APPLICATION OF THE TOPSIS METHOD IN SELECTION OF THE BEST SMARTPHONES AT PRICE OF ABOUT ONE MILLION ]]>
<![CDATA[Febby Sittah Gunawan]]>;
<![CDATA[Muhammad Syahputra Novelan]]>;
<![CDATA[Arpan]]>
<![CDATA[ INFOKUM Vol. 10 No. 02 (2022): Juni, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Nowadays the use of smartphones is mandatory for every society. not only adults, even children already have smartphones. especially at the current time of the COVID-19 pandemic which requires activities to be carried out at home so that people are forced to use long-distance network technology. One of them is the use of smartphones. Smartphones of various types and capabilities will be adjusted to the price. The problem that the author raises is how to find a good smartphone at a good price with a lower economic community market so that people can carry out work activities even though social activities are distant due to the covid 19 pandemic. The author searches for smartphones with prices around one million. The method used is TOPSIS. Topsis stands for TECHNIQUE FOR OTHERS PREFERENCE BY SIMILARITY TO IDEAL SOLUTION. The method is suitable in this case. The results obtained are the best smartphones at a price of around one million.]]>
<![CDATA[DESIGN AN IOT-BASED SMART DOOR CONTROL AT THE PRDP OFFICE OF UNIVERSITAS PEMBANGUNAN PANCA BUDI ]]>
<![CDATA[Horas Ringkot Sihombing]]>;
<![CDATA[Hamdani]]>;
<![CDATA[Solly Aryza]]>
<![CDATA[ INFOKUM Vol. 10 No. 02 (2022): Juni, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[In this research, a security system was designed to control the entrance through a smart device in Gedung I floor 4 PRDP office which the office is a part of Universitas Pembangunan Panca Budi located at Jl. Jend. Gatot Subroto No. Km, 4.5 Sei Sikambing, Medan Sunggal disctrict, Medan City, North Sumatra, 20122. Smart device in this case known as smart lock door which can facilitate humans in many ways included increasing the security of a room. This can be worked with the concept called the Internet of Things. This research designed a room security control system in which the operation used an RFID card or manually system called Smart lock door. The main function of this device is to limit people who can access the door and can be monitored remotely so that office security can be securred. In designing this smart door control system, the main supporters use Arduino Nano as a control center, Wemos D1 mini as a microcontroller and monitoring board connected to WIFI. The basic principles can be used optimally, effectively, efficiently and ensure the safety of its users..]]>
<![CDATA[LEVEL OF ELECTRICITY NEED FOR 2012-2020 PT.PLN (PERSERO) INDONESIA WITH COMBINED METHODS ]]>
<![CDATA[Lim Andi]]>;
<![CDATA[Adi Sastra P Tarigan]]>;
<![CDATA[Siti Anisa]]>
<![CDATA[ INFOKUM Vol. 10 No. 02 (2022): Juni, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Along with economic growth and population growth, the need for electricity will continue to increase. The first step that must be taken is to anticipate by forecasting the need for electrical energy in the future. This research was conducted in Indonesia to predict the demand for electrical energy in 2012-2020 using a combined method with the DKL 3.2 calculation model. Forecasts are made for 4 sectors, namely the household sector, the commercial/business sector, the industrial sector, and the general/public sector. For the overall results in Indonesia, the number of subscribers increased with an average growth of 6.23% per year from 2012-2020. Then the consumption of electrical energy will increase with an average growth of electricity consumption of 4.97% per year from 2012-2020. For connected power, the average connected power growth is 7.56% per year from 2012-2020. The total power capacity that must be prepared by PT. PLN (Persero) Indonesia in 2020 amounted to 144,678.75 kVA.]]>
