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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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DECISION SUPPORT SYSTEM FOR DETERMINING LECTURER CANDIDATES FOR THE POSITION OF HEAD OF WORK UNIT AT KUANTAN SINGINGI ISLAMIC UNIVERSITY USING THE SIMPLE ADDITVE WEIGHTING (SAW) METHOD Aprizal, Aprizal; Helpi Nopriandi; Erlinda, Erlinda
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

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Abstract

Kuantan Singingi Islamic University in determining Lecturer candidates as work unit head office holders is carried out by means of Lecturers submitting proposals as self-submission candidates as work unit head candidates. So that from the proposals for submitting these candidates, it is considered by the leadership of the Kuantan Singingi Islamic University for each candidate, which candidate is suitable for the position by carrying out various considerations so that later it will produce which of the candidates will occupy the position of head of the unit. So in this way it will require quite a long process and also in determining the criteria for each candidate is done manually so that the reports generated are not very accurate. With the application of Fuzzy Multiple Attribute Decision Making (FMADM) using the Simple Additive Weighting (SAW) method, the weight, criteria and ranking values of each Lecturer who are candidates for Head of Work Units are obtained. So that by calculating the Decision Support System to Determine Lecturer Candidates for the Head of Work Unit Positions at the Islamic University of Kuantan Singingi By Applying the Simple Additve Weighting (SAW) Method, it can help users determine Lecturer candidates for the position of head of work units at Kuantan Singingi Islamic University.
Analysis of Measurement Uncertainty in the Calibration of Digital Scales in the Downstream CPO (Crude Palm Oil) Production Unit Bintang Tua Sitohang; Solly Aryza; Beni Satria
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

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Abstract

Calibration of measuring instruments is an important aspect in ensuring the accu-racy and reliability of industrial production systems, including in the palm oil derivatives (CPO) processing sector. Digital scales play a crucial role in the weighing process of raw materials, semi-finished products, and final products. However, each calibration process is inseparable from measurement uncertainty that can affect the quality of production results. Where this study aims to analyze the level of measurement uncertainty in the calibration process of digital scales used in CPO derivative production units. The research method is carried out by collecting scale reading data with standard loading, calculating type A (statistical) and type B (non-statistical) uncertainties, as well as calculating com-bined uncertainty and expanded uncertainty in accordance with ISO GUM (Guide to the Expression of Uncertainty in Measurement). Thus, the results of the analysis show that the greatest uncertainty comes from the variation in readings (repeatability) and the tol-erance of the standard weights used. The combined uncertainty value obtained is within the range that meets the industrial calibration tolerance limit, but there are recommenda-tions for improving environmental control procedures during calibration to minimize fur-ther deviations.
Analysis of the Accuracy of PLC Control Systems in Conveyor Automation For Goods Distribution at PT Jaya Sentra Teknindo Seksama Reformasi Baene; Solly Aryza; Ahmad Dani
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

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Abstract

Otomatisasi sistem conveyor merupakan bagian krusial dalam mendukung efisiensi proses distribusi logistik, terutama pada perusahaan berskala menengah hingga besar seperti PT Jaya Sentra Teknindo. Salah satu teknologi utama yang digunakan dalam sistem ini adalah Programmable Logic Controller (PLC), yang berfungsi sebagai pusat kendali dalam mengatur pergerakan barang secara tepat dan terprogram. Didalam Penelitian ini bertujuan untuk menganalisis ketepatan sistem kendali PLC dalam pengoperasian conveyor barang, baik dari aspek waktu, posisi berhenti, maupun sinkronisasi antar sensor dan aktuator. Metodologi yang digunakan dalam penelitian ini adalah pendekatan eksperimental dengan pengujian langsung pada sistem conveyor di lapangan. Data dikumpulkan melalui pengamatan, pengukuran posisi akhir barang, waktu tempuh conveyor, serta jumlah deviasi terhadap parameter yang telah diprogram pada PLC. Perangkat lunak pemrograman ladder diagram digunakan untuk mensimulasikan dan memvalidasi logika kontrol, sedangkan stopwatch digital dan sensor counter digunakan untuk mengukur ketepatan waktu dan respons sistem. Hasil pengujian menunjukkan bahwa sistem kendali PLC memiliki tingkat akurasi tinggi, dengan deviasi posisi rata-rata di bawah 1,5 cm dan toleransi waktu di bawah ±0,8 detik dari setpoint yang ditentukan. Selain itu, tingkat kesalahan deteksi sensor relatif rendah dan sistem mampu bekerja stabil pada beban kerja operasional normal. Dengan demikian, dapat disimpulkan bahwa sistem kendali berbasis PLC yang diterapkan pada conveyor distribusi di PT Jaya Sentra Teknindo memiliki ketepatan yang sangat baik dan dapat menunjang efisiensi logistik secara signifikan.
Implementation Analysis of a Temperature and Humidity Control System For a Nodemcu-Based Smart Food Storage Box Dina Tampubolon; Solly Aryza; Ahmad Dani
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

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Abstract

An optimal food storage system is essential to maintain quality and prevent spoilage due to changes in temperature and humidity. This study aims to analyze the implementation of a temperature and humidity control system in a smart food storage box based on Arduino and NodeMCU. This system uses a DHT22 sensor to detect temperature and humidity in real-time, a Peltier module as a cooler, and a fan and heater to control air conditions in the box. Arduino Uno is used as the main controller, while NodeMCU ESP8266 plays a role in data communication to the IoT platform for remote monitoring. The methods used in this study include hardware and software design, temperature and humidity stability testing, and system efficiency analysis in maintaining optimal food storage conditions. The test results show that the system is able to maintain temperatures in the range of 5–15°C with a deviation of ±1°C and humidity in the range of 50–70% RH, depending on the type of food stored. In addition, IoT integration allows real-time data monitoring through a cloud-based application. The conclusion of this study shows that the developed Smart Food Box system can operate effectively in maintaining food quality. The use of IoT technology increases the ease of remote monitoring and control, so this system has the potential to be applied on a household and industrial scale.
Performance Analysis of an IoT and Scada-Based Oil Tank Filling Monitoring System Using Omron PLC at PT Pertamina Patra Niaga Meulaboh Ermando Sihombing; Solly Aryza; Beni Satria
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

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Abstract

The monitoring and control system in the oil tank filling process plays a crucial role in ensuring efficiency, safety, and accuracy in fuel distribution. This study aims to analyze the implementation of an IoT and SCADA-based monitoring system for oil tank filling using an Omron PLC at PT Pertamina Patra Niaga Meulaboh. The system integrates an Omron Programmable Logic Controller (PLC) as the main control unit, level sensors for real-time tank capacity detection, as well as IoT and Supervisory Control and Data Acquisition (SCADA) for remote monitoring. The research methodology includes system design, implementation, and testing, focusing on data communication reliability, sensor accuracy, and tank filling efficiency. The test results show that the system can monitor oil levels with an accuracy of ±0.5%, and improve operational efficiency by reducing filling errors by up to 20% compared to conventional methods. The implementation of IoT allows operators to access real-time filling data through a web-based dashboard, while SCADA provides more structured control over the filling process. The findings of this study conclude that the integration of IoT and SCADA in a PLC-based tank filling system significantly enhances efficiency, accuracy, and safety in oil filling operations. This technology holds great potential for broader application in the oil and gas industry to improve the effectiveness of fuel distribution systems.
Applied Anthropology Studies: Definition, Professional Ethics, and Its Development Dynamics in Various Fields of Life Marzuti Isra; Nur Asyiah; Nazwa Lexano Salsabila siregar; Muhammad Zaky Al Syafiq; Muhammad Anugrah Jaya Tanjung; Immanuel Figo Tambun
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i05.2934

Abstract

Applied anthropology is a branch of anthropology that focuses on the application of anthropological theories and methods in solving real problems in society. This study aiming for describe understanding anthropology applied, principles ethics professional, and dynamics its development in various field life like health, education, business, and policy public. With an interdisciplinary approach, applied anthropology is able to provide solutions based on local culture, strengthen community empowerment, and increase the effectiveness of social interventions. Professional ethics are an important pillar in the implementation of applied anthropology practices, especially in maintaining data integrity, respecting cultural values, and preventing exploitation of participants. Technological developments and globalization also influence anthropologists' approaches to applied practice, demanding continuous adaptation. This study emphasizes the importance of the role of anthropologists in producing inclusive and sustainable policies. Recent references show increasing collaboration between anthropologists and practitioners across sectors, which strengthens the position of applied anthropology as a tool for social transformation.
MRI Image Classification Analysis of Brain Cancer Using ResNet18 and VGG16 Deep Learning Architectures Sembiring, Yudha Brema Agriva; Indra, Evta
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i05.2955

Abstract

Deep learning approaches, particularly Convolutional Neural Networks (CNNs), have proven effective in medical image processing. Two prominent CNN architectures are VGG16 and ResNet18. Previous research has shown that ResNet50 and VGG16 have been used in brain tumor classification with varying accuracy. This study aims to systematically compare the performance of ResNet18 and VGG16 in brain cancer MRI image classification, considering accuracy, computational efficiency, and model generalization capabilities. The results show that the ResNet18 model with pretrained weights achieved the highest accuracy of 97.43%, excelling in detecting all categories of brain tumors with minimal error. In contrast, the VGG16 model trained from scratch performed the lowest with an accuracy of only 63.09%, having significant difficulty distinguishing between classes.
Implementation of Job Analysis Policy in Employee Placement at the Regional Secretariat of South Buton Regency Asmiddin, Asmiddin; ⁠La Didi; Melita Zahabu
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i05.2957

Abstract

The purpose of this study is to describe the implementation of job analysis policy in employee placement at the Regional Secretariat of South Buton Regency using Charles O. Jones's policy implementation theory, which includes three main dimensions: organization, interpretation, and application. The research method used is a descriptive qualitative approach. Data were collected through observation, interviews, literature studies, and documentation. Data sources were obtained from informants through direct observation and interviews, and documents obtained in the form of regulations. Data processing was analyzed using the Miles and Huberman model, which includes data reduction, data presentation, and verification. The results show that in the organizational dimension, job analysis implementation is still carried out ad hoc without a permanent implementation team or standardized SOPs. Limited human resources, uneven technical training, and the use of manual methods without an integrated information system are the main obstacles. In the interpretation dimension, the policy has been described in normative documents such as Regent Regulations and job maps, but has not been equipped with detailed local technical SOPs. Directions and training for implementers have also not been carried out systematically, resulting in differences in understanding between work units. In the application dimension, job analysis results have not yet been fully utilized as a strategic basis for employee placement. Employee placement is based more on immediate needs and the considerations of immediate superiors, without a structured and ongoing job evaluation cycle.
Accountability of the Integrity Zone Program Towards a Corruption-Free Region at the Ministry of Religious Affairs Office in Baubau City Asmiddin, Asmiddin; La Didi; Emiryanti, Emiryanti
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i05.2958

Abstract

The purpose of this study is to describe the accountability of the Integrity Zone Program towards a Corruption-Free Area (WBK) at the Baubau City Ministry of Religious Affairs Office using the approach (Halim, 16) including the implementation of the program, the suitability between targets and achievements, and the clarity of the program's goals and objectives. This research method uses a descriptive qualitative approach with data collection techniques through interviews, observation, and documentation. Data sources were obtained from informants through direct observation and interviews and documents obtained in the form of regulations and processing. Data were analyzed using the Miles and Huberman interactive model, which consists of data reduction, data presentation, and drawing conclusions and verification. The results of the study indicate that program accountability has been reflected in various positive achievements. In the outcome dimension, the WBK program encourages increased ASN discipline, consistent implementation of SOPs, and the birth of digital service innovations such as LKH Online, PTSP Digital, and the Halal Meatball Cart (GBH) program. This indicates an increase in efficiency, effectiveness, and professionalism of services. In the dimension of suitability of targets and achievements, most program indicators have been achieved, especially in terms of increasing service speed and public satisfaction. However, obstacles such as employee resistance, limited technical training, and gaps in technology utilization still hamper the optimization of overall program accountability. Meanwhile, in terms of clarity of goals and objectives, the program has a specific policy direction outlined in official documents and supported by internal socialization. However, substantive understanding of integrity values is not yet fully shared among technical implementers.
The Effect of Coil Winding Replacement on the Performance of a 200 Kva Transformer (Case Study at PT. Razza Prima Trafo) Tengku Mughayat Syah Falah; Haris Gunawan; Parlin Siagian
INFOKUM Vol. 13 No. 05 (2025): Infokum
Publisher : Sean Institute

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Abstract

The electric power system is a primary need, both for daily life and for industrial life. The provision of stable and continuous electric power is an absolute requirement that must be met in meeting the need for electric power. The distribution system is the distribution of electrical energy from the substation to consumers. There are 2 (two) distribution systems, namely primary distribution and secondary distribution. Primary distribution, the distribution starts from the substation (secondary side of the power transformer) to the distribution substation (primary side of the distribution transformer) or from the substation directly to the 20kV medium voltage consumer. Power transformers are equipped with a grounding transformer that functions to obtain a neutral point from the power transformer. Before replacing the coil winding, measurements were taken using a TTR transformer turn ratio test (megger) measuring instrument. It can be concluded that the location of the damage is in the coil winding section. The results of the voltage measurements on the Primary Winding between phases R-S = 410 V, ST phase = 407 V and TR phase = 375V. and the Secondary voltage between phase and Neutral is RN = 221V, SN = 237V and TN = 222V. and the current in the Secondary winding between phases is R = 7.64A, S phase = 7.64A and T phase = 8.08A.

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