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INDONESIA
INFOKUM
Published by SEAN INSTITUTE
ISSN : 23029706     EISSN : 27224635     DOI : -
Core Subject : Science,
Computer Science & IT
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
Arjuna Subject : Ilmu Komputer (semua kategori) - Kecerdasan Buatan
Articles 842 Documents
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ANODE COMPOSITE ELECTROCHEMICAL IMPEDANCE IMPROVEMENT WITH LIME EXTRACT SINTERING FOR LITHIUM CERAMIC BATTERY APPLICATION Iqbal Ashari; Solly Aryza; Adi Sastra P Tarigan
INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence
Publisher : Sean Institute

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Abstract

Synthesis of silica Li4Ti5O12/soda lime composite has been carried out for the anode component of lithium ceramic battery. The Li4Ti5O12 synthesis method is SSR (solid state reaction) from Li2CO3 and TiO2 powders. All lithium-based materials were calcined at 700oC for 2 hours, then ball milled to obtain finer particles and passed to a filter of less than 400 mesh. Before sintering the powder is dissolved in 99% methanol to make a paste. The Li4Ti5O12 paste was sintered at various temperatures from 750oC, 800oC, 850oC, 900oC to 950oC for 2 hours to obtain optimum electrical properties. The phase formed after sintering was identified by XRD.
AN ANDROID DIGITAL MODERNIZATION ON BRASTAGI ULP CENTRALIZED METER RECORDING SERVICES Ikardius Barus; Hamdani; Siti Anisah
INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence
Publisher : Sean Institute

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Abstract

Modernization is essential for technology, including electricity billing procedures, so PLN applies two systems, namely the prepaid system and the postpaid system. So this requires PLN to record customer meter data to each customer's house in an efficient way so that a system is needed to record customer meter data and can send it directly to a server called the Centralized Meter Record Application (ACMT) with a system that has been now integrated with AP2T and can be accessed online. This application is designed to be used on the android platform. This ACMT system, will be able to speed up the distribution of meter record data to the server. It can make it easier to evaluate and correct customer meter data.
EFFORTS TO OVERCOME LOAD UNBALANCE ON LOW VOLTAGE NETWORKS USING PHB – SR EQUIPMENT (CONNECTION EQUIPMENT FOR HOME CONNECTIONS) AT PT. PLN PERSERO ULP BINJAI TIMUR Dicky Prasetya; Hamdani; Siti Anisah
INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence
Publisher : Sean Institute

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Abstract

Load imbalance in an electric power distribution system often occurs in the field. This is a single-phase load on different Low Voltage Network subscribers due to the large number of additional electrical loads that do not pay attention to system load imbalances. As a result of this imbalance, a current appears in the neutral of the transformer. The current flowing in the neutral of this transformer causes losses (technical losses/losses), namely losses due to the neutral current in the neutral conductor of the transformer and losses due to neutral current flowing to the ground. By realizing PHB SR (Connecting Equipment for House Connections) it is able to balance the load on the Low Voltage Network on a regular and continuous basis so as to reduce technical losses (losses), simplify the Splicing Field in technical connection of House Connections (SR) on the Pole, improve aesthetics and neatness Network System.
APPLICATION OF EXPERT SYSTEM IN DIAGNOSING AUTOMATIC BARRIER GATE DAMAGE USING BAYES THEOREM Taufik Nurul Ramadhan; Akhyar Lubis; Eko Haryanto
INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence
Publisher : Sean Institute

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Abstract

An expert system is a computer program tAn expert system can assist a layperson in resolving an issue by making a decision on a problem based on an expert's response. In general, a worker executes his job in an efficient manner that allows him to save money while working. As a result, most employees and entrepreneurs employ tools that assist humans in doing tasks that are simple and time-saving. There are various things that will require processes that are available at the barrier gate, given the performance power that can pick disconnected elements in the machine. The barrier gate system is a parking crossing facility for everyone who will enter and exit the parking lot at the shopping center through automatic crossing gates, where passengers can open the door first, and a parking data checking procedure using the barcode scanner available at the barrier gate is required. In expert systems, the Bayes theorem approach may be used to diagnose barrier gate damage and compute every conceivable symptom that exists in barrier gate damage. The proposed expert system may be utilized to diagnose existing barrier gate deterioration.
Application of The Analysis System of the Effect of Cash Turnover, Receivables, and Inventory on Profitability in Cement Companies with the Rapid Application Development (RAD) Method Rizaldy Khair; Khairunnisa Almadany
INFOKUM Vol. 10 No. 4 (2022): October, computer, information and engineering
Publisher : Sean Institute

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Abstract

In general, every company has the goal of increasing the value of the company by maximizing profitability. Many factors can affect a company's profitability, namely per-round cash, receivables, and inventory. Therefore, it is necessary to build an application-based system that is able to analyze the effect of cash, receivables, and inventory turnover on profitability in the company automatically and in real time. In this study, it uses the DEA (Data Envelopment Analysis) method which can be viewed as an operator of multiple linear regression, in addition to the software system development method used, namely RAD (Rapid Application Development). This application system can determine the outcome of a negative or positive influence on profitability based on the variables between cash turnover, receivables, and inventory. This research was conducted on cement companies listed on the Indonesia Stock Exchange between 2018 and 2020. The data obtained from the measurement results can be used as an analysis of the next program situation by using test analysis using SPSS on the running system and turning it into an automation and realtime system. This Application System is built using the PHP programming language, and the CodeIgniter framework and uses a MySQL database server.
DESIGN AND BUILD AN INVENTORY CONTROL ANALYSIS APPLICATION SYSTEM USING THE ECONOMIC ORDER QUANTITY (EOQ) METHOD IN UD. JASMINE JAYA STARTUP-BASED Khairunnisa Almadany; Rizaldy Khair
INFOKUM Vol. 10 No. 4 (2022): October, computer, information and engineering
Publisher : Sean Institute

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Abstract

Ud. Melati Jaya is a Small and Medium Enterprise (UKM) engaged in processing ja-gung into animal feed. So far, the method of estimating raw material inventory has been UD's choice. Melati Jaya in the procurement of supplies, with the finished goods system has been ordered in advance by consumers so that there is no accumulation of finished goods in warehouses or pre-order systems, but in the process of fulfilling raw material inventories there are often delays due to shortages of raw materials in the market. This hampers the production process and if it occurs continuously will increase the chances of UD losses. Jasmine Jaya. In previous studies, it can be explained that the results of calculations in reducing UD inventory costs. Melati Jaya, specifically with a January demand supply of 73,993 kg, can be minimized with an optimal purchase of 16,058 kg with a frequency of 5 purchases per month and a safe supply of 2,963 kg. and place an order again when the quantity reaches 8,650 kg. The inventory cost that can be saved is Rp.17,504,704 using the EOQ (Economic Order Quantity) method which is a technique for procuring raw material inventory at a company according to the number of orders. But in the bookkeeping records of UD. Melati Jaya from February to March 2020 is still not good so there are some transactions that are not recorded properly, so the calculation results in that month are inefficient [1]. The purpose of this study is to find out how to control inventory using the collaboration of the EOQ and RAD (Rapid Application Develop-ment) methods as a technology implementation that will make it easier to analyze inventory in real time. The data analysis method used is a quantitative descriptive method. The data obtained from the measurement results can be used as an analysis of the next program situation by using test analysis using SPSS on the running system and turning it into an automation and realtime system. This Application System is built using the PHP programming language, and the CodeIgniter framework and uses a MySQL database server.
Information System Design Of Online Survey On Employee Performance Web-Based Online Survey Effendi, Muhammad Ridwan; Ratih, Susiana Dewi; Firdaus, Firdaus
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (286.419 KB) | DOI: 10.58471/infokum.v10i5.838

Abstract

This paper aims to describe a web-based online survey information system that has been designed reliably, so as to produce faster, more accurate and relevant information and reports as needed. The sources and types of data used were obtained through field studies and literature studies. Among them by conducting direct observations and interviews on the object of research and supported by appropriate literature. While the data analysis method used is descriptive qualitative method. From the results of the research that the researchers have done, it is found that the constraints of the system that are currently running, include: a lot of paper is wasted due to making survey questionnaires, the survey filling process must be awaited and must be face to face, the report generation process is too long because the calculations are still ongoing. manuals, and so on. Circumstances like this have prompted the author to create an online survey information system and it is hoped that this information system will be able to overcome the above problems and anticipate them.
Decision Support System Group Of Learning Evaluation At SMA Negeri Lhokseumawe Mulyadi; Azhar; Zulfan Khairil Simbolon; Hendrawati; Amirullah
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

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Abstract

Teachers as educators who have the main task of educating the nation's children to become the next generation who are intelligent and knowledgeable. Teachers can develop students' potential and motivate students to excel. The quality of teachers is influenced by the level of teacher performance in providing knowledge to students and the way of providing clear and appropriate material when teaching. Students must also be involved in the process of assessing the quality of the performance of teachers who have been teaching. Based on these problems, input from students about teacher performance is generally done manually by filling out a satisfaction questionnaire on the teaching and learning process. As a result, we require an assessment system and a model for the quality of learning, particularly in the core school subjects. The evaluation in teacher assessment uses the AHP (Analytical Hierarchy Process) method and group borda. The AHP model process is used to evaluate and improve the quality of student learning so that it can provide objective results. The stages of research using research and development include the first stage, namely the preliminary study stage, theoretical study, and planning stage. The variables measured included attendance, accuracy, ease of capturing material, and the ability to manage classes and formulate problems. The second stage is to test and revise the AHP and Borda models. The third stage is the feasibility test of the decision model with AHP and Borda. The result of the group model is to get the ranking value of each variable, and this value will be entered into the AHP model and the Borda group model. The Borda results are given by the school principal, vice principal, and policy makers. The results of the AHP Model value of K1 (Teaching Attendance Rate) with a priority weight value of 0.280, rank 2, K2 (Accuracy of Starting and Ending Study Hours) of 0.207, and ranking 4, K3 (Ease of Submission of Materials to Be Understood) of 0.295. 1, K4 (Ability to Manage Class Interaction) 0.217, ranking 3. The results of the board for selecting the best teacher: alternative A1 with a value of 0.24 ranking 3. Alternative A2 with a ranking value of 0.20; Alternative A3 with a value of 0.28 ranking 1. Alternative A4 with a value of 0.27 and a rating of 2. The results of this study are the assessment of students and each teacher from the AHP model. Furthermore, the results of the Borda group are in the form of rankings from policy makers. The results of the research are more objective because of the decision-making on the part of students and groups/policy-makers.
WEB-BASED MOBILE SERVICE HANDLING APPLICATION DESIGN Teni Agustina; Dewi Aryanti; Mochamad Nandi Susila; Mulyadi Mulyadi; Andronias Siregar; Hardiyan Hardiyan
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

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Abstract

The use of internet technology has developed with the presence of web-based applications as a solution to a problem in an organization. CV. Dayla Cell is a business actor selling services for accessories and handling mobile phone service and as an object of research. The problem that exists in the object of research is the management of service data, which still uses paper records physically and is not yet supported by database data storage. The purpose of this study is to design and build a web-based application that can support the effectiveness and productivity of research object service handling activities, with the benefit of research being able to provide convenience and speed in searching for the required data because the data is stored properly in a database. This study uses the SDLC (Software Development Life Cycle) software development method with the stages of the waterfall method. The results of the study are that the applications built are able to properly support operational activities, especially mobile phone service on the object of research
Customer Satisfaction Analysis of PLN Mobile Services Using the Naïve Bayes Classifier Method I Komang Arya Ganda Wiguna; Ani Nida’ia Mustafida; Putu Praba Santika; Made Suci Ariantini; I Gede Iwan Sudipa
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

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Abstract

This research was conducted to determine customer satisfaction with the PLN Mobile application service by employing the Nave Bayes Classifier algorithm in order to precisely determine the level of customer satisfaction with the PLN Mobile application service based on customer data collected through the PLN Mobile application. Using a questionnaire issued to consumers who use the PLN Mobile application, the author collects data for this study. The purpose of the author's research is to acquire the outcomes of data analysis using the Nave Bayes Classifier equation. Class "Yes (Satisfied)" and Class "No (Not Satisfied)" were established by the authors of this study to measure consumer satisfaction with PLN Mobile application services. To determine the classification of satisfaction, the author employs the factors of gender, age, and occupation, in addition to sixteen of the author's own assertions. Based on studies utilizing the Nave Bayes Classifier, the authors obtained a precision of 90.48%.

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