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[Increasing The Quality Of Conditioning Cross Voltage In The Lb10 Network Voltage Drop In The Work Area Of PT PLN (Persero) ULP Labuhan Haji ]]>
<![CDATA[Nail Fadhlan]]>;
<![CDATA[Solly Aryza]]>;
<![CDATA[Siti Anisah]]>
<![CDATA[ INFOKUM Vol. 10 No. 1 (2021): Desember, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Upgrade network conductors to reduce voltage drop to improve service quality and reduce the effects of power loss. The system voltage is distributed to the network at a voltage of 380/220 volts and then to the residents' apartments. Due to the load supply from a single-phase system, this unbalanced load condition eventually causes current to flow in the neutral phase (leakage current) and to ground. The simulation was carried out using the tidal analysis method from the ETAP (Electric Transient and Analysis Program) 16.0 application. The voltage drop on the power grid affects the quality of the operating voltage received from the power company. If the voltage drop is not in accordance with the standard (SPLN No. 1 of 1995), the quality of the operating voltage may decrease and power loss may occur. If the state of the system is truly in a state of equilibrium, the existing power losses will only occur on the R, S, and T channels. To find power losses in a 380 V voltage network, it is necessary to know or determine the impedance, phase, and current. neutral and look for power losses in the load. Therefore, to overcome the power losses from unbalanced loads, the load balancing method is used. Based on engineering and measurement data, simulations were carried out to obtain standard compliance results for operating voltage quality and reduce voltage drop effects. Increasing the cross-sectional size of the conductor improves the simulation of the electrical aspect. To find power losses on a 380 V voltage network, it is necessary to know or determine the impedance, phase, and neutral current and look for power losses in the load.]]>
<![CDATA[Study Of Work Reliability Synchronology Generator Unit PLTMH Aek Raisan I North Tapanuli ]]>
<![CDATA[Rahmad Dani]]>;
<![CDATA[Solly Aryza]]>;
<![CDATA[Siti Anisah]]>
<![CDATA[ INFOKUM Vol. 10 No. 1 (2021): Desember, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[The Mini-hydro Power Plant (PLTMH) located in Parsingkaman Village, North Tapanuli Regency is a power plant with a capacity that is not too high. It was built with the aim of meeting the needs of electrical energy in North Tapanuli Regency which often experiences blackouts. The purpose of this study is to determine the performance of the generator in generating electrical energy. Data collection is done by direct observation in the field. The results showed that the peak load of the generator was 657,359.3 KW, a small load of 604,482,365 W. With the efficiency of the synchronous generator, which was 85.6%, with these results that the generator contained in the AEK RAISAN I PLTMH was still efficiently used.]]>
<![CDATA[Improvement Of Control System On Programmable-Based DC Excitation Generator Logic Controller ]]>
<![CDATA[Zepri Irwansyah]]>;
<![CDATA[Solly Aryza]]>;
<![CDATA[Adi Sastra Tarigan]]>
<![CDATA[ INFOKUM Vol. 10 No. 1 (2021): Desember, Data Mining, Image Processing, and artificial intelligence ]]>
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<![CDATA[A direct current generator is an electrical system that converts mechanical energy into electrical energy dynamically. An independent and separate excitation type DC gener-ator is a field generator that can be connected to a DC source independently of the en-gine. When a DC voltage is introduced into the field coil in the form of resistance Rf, a current If is generated and flux is created at both poles. In this study discusses a new control system in a generator that is given a load, the generator output voltage is re-duced. The so-called mechanism in regulating the excitation voltage to control the out-put voltage. When the generator is equipped with a PLC operating at the same field voltage, the induced voltage is greater; for example when the voltage is 14.01 Volts or 15.41 Volts, the induced voltage is 34,311 Volts or 51,587 Volts.]]>
<![CDATA[Implementation Of The Naive Bayes Method To Classification Good Air Quality ]]>
<![CDATA[Zalika Riswan Dini]]>;
<![CDATA[Dedi Purwanto]]>;
<![CDATA[Nova Mayasari]]>
<![CDATA[ INFOKUM Vol. 10 No. 1 (2021): Desember, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Naïve Bayesisa- method- of doing statistical classification based on the probability value of the members in the class on a data. This research was conducted by finding several stages of the process carried out, namely the process of sharing training data and test data. Then the-classification-process-is-carried-out by-finding the-accuracy-value-of-the-Naïve-Bayes method. The success of increasing the-accuracy-of-the-dataset-using-the-weighting-of-the Naïve Bayes algorithm which greatly affects all attributes, so that it greatly affects the-accuracy-of-the-data. -In-the-data classification-process-using the Naïve Bayes algorithm that uses the Air Quality dataset, the accuracy results are 39.97%. The author hopes that there will be development of the Naïve Bayes method by comparing it to other weighting methods in order to get various kinds of analysis results so as to get a higher accuracy value and use more datasets.]]>
<![CDATA[Operator University Termination Of Broadcasting: Legal Analysis Of Broadcasting Consumer Law ]]>
<![CDATA[Sufmi Dasco Ahmad]]>
<![CDATA[ INFOKUM Vol. 10 No. 1 (2021): Desember, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Indonesia is a country that has a very wide sovereign area consisting of islands, therefore in the current era to be able to communicate and transact there are also various media options, one of which is through the means of communication and information technology media because of its convenience, it is increasingly in demand by the public. public. The purpose of this study to determine the legal protection of consumers in the use of pay television based on the consumer protection law. To find out legal remedies against subscription television operators for unilateral termination of broadcasts against their consumers. The approach method used in this research is a normative juridical approach. To approach the problem in this research, the research specification is descriptive-analytical. Data collection techniques through library research (library research) to obtain secondary data. The data analysis used in this research is qualitative. The results of the study indicate that (1) Legal protection for consumers in unilaterally stopping broadcasts by pay television operators is not in accordance with the Consumer Protection Act, there are still many consumer rights that are violated by business actors, as contained in consumer agreements with business actors. and Article 4 of Law Number 8 of 1999 concerning Consumer Protection. (2) Legal remedies that can be taken by consumers regarding the unilateral termination of broadcasting by pay television operators, namely consumers can file a lawsuit against Astro on the basis of acts against the law as regulated in Article 1365 of the Civil Code and acts of Default as regulated in Article 1243 Civil Code, because Astro has violated consumer rights as stipulated in the Consumer Protection Act. It is recommended that consumers be able to resolve disputes with the National Consumer Protection Agency, and can be a bridge for consumer negotiations with business actors in order to get solutions to solving existing problems. It is hoped that the government's participation in issuing policies related to consumer protection will improve the function of consumer protection institutions to provide consumer education.]]>
<![CDATA[Mobile-Based Document and Salary Application Case Study: Kemenag Labuhan Batu ]]>
<![CDATA[Raissa Amanda Putri]]>;
<![CDATA[Anggun Monica Dewi]]>
<![CDATA[ INFOKUM Vol. 10 No. 1 (2021): Desember, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[The mobile-based document information system is an information system that provides secure document archiving, which is specially designed for android smartphone devices. The purpose and reason for the design of this mobile-based document archive application information system is to store important files safely from disasters that come suddenly, do not fill the room, avoid file loss, can facilitate the work of staff, employees and heads of affairs in needing files. suddenly when employees, staff and heads of affairs are carrying out tasks outside the city. In the design of this mobile-based document archive application information system, two methods are used, namely the data collection method and the Waterfall method in system development. The use of this system will be taken to the main page which directs the archivist and head of affairs to login first before archiving documents and downloading documents wherever they are. The application is made to provide safe storage of documents from disasters that result in document damage, does not fill the administrative room with documents and the main thing is to make it easier for employees, staff and heads of affairs when they need documents suddenly.]]>
<![CDATA[Implementation Of Sugeno Fuzzy Logic Method On Microcontroller Based On Tomato Sorter ]]>
<![CDATA[Mhd Furqan]]>;
<![CDATA[Rakhmat Kurniawan]]>;
<![CDATA[Abdul Halim Hasugian]]>;
<![CDATA[Siti Sumita Harahap]]>
<![CDATA[ INFOKUM Vol. 10 No. 1 (2021): Desember, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[As it is well known that tomatoes have different qualities and colors of ripeness, it is very necessary for a farmer to sort the tomatoes because then the farmers can target the marketing of tomatoes among the market, supermarkets, etc. Sorting tomatoes manually requires good concentration so as not to cause sorting errors, but sometimes concentration can be reduced due to sitting too long, etc., so that sorting occurs at will without paying attention to the tomatoes and this can also take a long time. To overcome this problem is to offer the manufacture of a tomato fruit sorter automatically by applying the Sugeno fuzzy logic method, which is a cryptic method which means that a value can be between true and false. With this tool can overcome the problem of sorting tomatoes and can minimize time. This Sugeno fuzzy logic method is used and utilized in processing the value of tomatoes in the form of RGB values. The result of this research is a tool that is able to sort tomatoes according to conditions, namely ripe, half-ripe, and unripe.]]>
<![CDATA[Edge Detection To Detect Broken Bone On X-Ray Images Using Kirsch Method ]]>
<![CDATA[Mhd Furqan]]>;
<![CDATA[Rakhmat Kurniawan]]>;
<![CDATA[Abdul Halim Hasugian]]>;
<![CDATA[Reza Muhammad]]>
<![CDATA[ INFOKUM Vol. 10 No. 1 (2021): Desember, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Bone is the most important part of the human body and not a few people who have broken bones caused by accidents, neglect and because of age. One of the methods used to identify broken bones is to read the x-ray images manually. Manual checking takes longer and allows mistakes in making decisions when doing a manual check. What's more in reading an x-ray image requires a strong background light (as lighting) to make objects in the X-ray image appear clearer, so we need a method that can facilitate the orthopedic doctor in identifying broken bones. The method proposed in this study is edge detection using the kirsch method. Edge detection aims to improve the appearance of margins, boundaries or objects in the image. The Kirsch method will detect the edges of the eight cardinal directions, namely east, northeast, north, west, northwest, southwest, south and southeast, by convoluting the image using eight kernels. From the results of testing with these methods each cardinal direction has different results. In this study the best results from the eight cardinal directions are the southeast.]]>
<![CDATA[Document Based Text Data Security Using the Prime Generator Algorithm Fermat's and the ElGamal Algorithm ]]>
<![CDATA[Andre Gusli Agus Riadi]]>;
<![CDATA[Mhd.Furqan]]>;
<![CDATA[Rakhmat Kurniawan]]>
<![CDATA[ INFOKUM Vol. 10 No. 1 (2021): Desember, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Elgamal is an asymmetric key cryptography algorithm, which means that Elgamal cryptography requires two keys to perform the encryption and description processes, while the key used in the Elgamal algorithm is the public key for encryption while the private key is for decryption. The public key and private key are obtained using the help of other algorithms, one of which is the fermat prime generator algorithm, this fermat prime generator algorithm has a role to find prime random numbers where the randomized prime numbers obtained are used to form the public and private keys. In this study, the researcher wants to combine these two algorithms to secure text-based document files. The result of this research is an application that can secure text-based document files.]]>
<![CDATA[Usability Evaluation of Library Information Systems Using The System Usability Scale ]]>
<![CDATA[Franindya Purwaningtyas]]>
<![CDATA[ INFOKUM Vol. 10 No. 1 (2021): Desember, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Libraries for universities play a very important role, especially in efforts to manage and disseminate information. The library information system is very helpful for the academic community in accessing everything in the library. For this reason, it is necessary to evaluate the usefulness of the library information system. One of the tools that can be used to evaluate library information systems is the System Usability Scale (SUS). This study aims to evaluate the university library information system using the SUS questionnaire. Research respondents are samples taken from students who have used library information systems. Based on the results of the questionnaire obtained a score of 70.4 with a rating of "Good" and Letter Grade "B".]]>
