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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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Prototype Of An Automatic Control System Using Android For Iot-Based Hydroponic Cultivation Christian Natanael Tarigan; Moranaian Mungkin; Habib Satria
INFOKUM Vol. 13 No. 03 (2025): Infokum
Publisher : Sean Institute

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Abstract

This paper described develop a prototype of an automatic control system using an Android device for hydroponic cultivation based on the Internet of Things (IoT). This system is designed to monitor and control various important parameters in hydroponic cultivation, such as pH levels, temperature, humidity and nutrient availability in real-time via an Android application. Data from these sensors is sent to the cloud and can be accessed and controlled via an Android device. With this system, users can regulate environmental conditions optimally without having to be physically present, so it is hoped that they can increase efficiency and productivity in hydroponic cultivation. The trial results show that this system is able to operate well and provide a fast response to changes in environmental parameters, so it can be an effective solution for automating the hydroponic cultivation process.
Application of K-Means Algorithm for Segmentation Analysis of Youtube Viewers in Indonesia Halim, Ryan Artanto; Pratiwi, Heny; Azahari, Azahari
INFOKUM Vol. 13 No. 03 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i03.2850

Abstract

The application of K-Means as a clustering method in segmentation analysis is common. However, academic research on YouTube audience segmentation in Indonesia is still limited. YouTube audiences in Indonesia are diverse, ranging from entertainment, education, to news, so more in-depth analysis is needed to identify user segments more specifically. YouTube audience segmentation can provide a deeper understanding of people's video consumption behavior. This understanding can help content creators and digital industry players develop more effective content strategies. K-Means was chosen as the clustering method in this study because it can group YouTube viewers in Indonesia based on their interaction patterns with YouTube content. In addition, K-Means' ability to handle large data is suitable for segmenting platforms with a large number of users such as YouTube. This research uses three main features, namely views, duration, and engagement rate to group viewers into five clusters. Cluster evaluation using Silhouette Score (0.3445), Davies-Bouldin Index (0.9576), and Calinski-Harabasz Index (481.4730) shows that the resulting segmentation is of good quality. The analysis shows that there are differences in video consumption patterns across clusters, reflecting variations in viewer preferences and engagement levels.
Eye Disease Classification Using Convolutional Neural Network (CNN) with Web-based MobileNetV2 Architecture Fahriawan, Muhammad; Pratiwi, Heny; Harpad, Bartolomius
INFOKUM Vol. 13 No. 03 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i03.2851

Abstract

The high prevalence of preventable eye diseases, such as cataracts, glaucoma, and diabetic retinopathy, emphasizes the importance of accessible and efficient diagnostic solutions. This research aims to develop a web-based eye disease classification system using a lightweight Convolutional Neural Network (CNN) architecture, MobileNetV2, to overcome computational limitations in real-time applications. CRISP-DM methodology is applied, including dataset preparation, transfer learning with MobileNetV2 and VGG16, model evaluation, and implementation using Flask. The dataset from Kaggle consisting of 4,217 eye fundus images with four classes (cataract, glaucoma, diabetic retinopathy, and normal) was divided into 80% training, 10% validation, and 10% testing. Data augmentation and normalization were performed to improve model generalization. The results showed MobileNetV2 achieved the highest accuracy (90.14%) with low computational requirements, outperforming VGG16 (89.66%) and CNN (86.78%). MobileNetV2 displays balanced precision (89-99%), recall (74-96%), and F1-score (81-99%) across all classes, especially excelling in diabetic retinopathy detection. Its efficiency on resource-constrained environments makes it ideal for web integration. The developed Flask-based application allows users to upload images for instant classification, bridging the healthcare access gap. This research proves the effectiveness of MobileNetV2 in combining high accuracy and computational efficiency, offering a scalable solution for early screening of eye diseases, especially in remote areas.
Implementation of Electronic-Based Government System (SPBE) in Pegunungan Bintang District, Papua Pegunungan Province Andre Patabang; Wirman Syafri; Layla Kurniawati
INFOKUM Vol. 13 No. 03 (2025): Infokum
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v13i03.2852

Abstract

The implementation of the Electronic-Based Government System (SPBE) in the Pegunungan Bintang Regency Government, Papua Province, still faces various challenges that hinder the optimization of its implementation. This study aims to analyze, describe, and identify the dynamics of SPBE implementation, the inhibiting factors faced, and the strategies implemented by the Pegunungan Bintang Regency Government in overcoming these obstacles. This study uses a qualitative approach with a descriptive method. The sampling technique was carried out through purposive sampling and snowball sampling. Data were collected through observation, semi-structured interviews, and documentation studies. Data analysis was carried out with the stages of data reduction, data presentation, and drawing conclusions and verification to obtain comprehensive findings. The results of the study revealed that the implementation of SPBE in Pegunungan Bintang Regency has not run optimally when viewed based on the theory of Elements of Success in E-Government Implementation from the Harvard JFK School of Government. Several main inhibiting factors include limited quantity and quality of human resources, inefficient budget allocation to support digital transformation, and the absence of regional regulations that form the legal basis for SPBE implementation. To overcome these obstacles, the local government has taken strategic steps, such as compiling a periodic Workload Analysis (ABK), optimizing budget planning and management to support the implementation of SPBE, and strengthening cross-regional coordination in designing the SPBE architecture. In addition, the Communication and Informatics Office of Pegunungan Bintang Regency is also trying to compile a Standard Operating Procedure (SOP) to clarify the SPBE implementation mechanism at the local government level.
Analytical Study of Control Systems For Power Loss Minimization In 20 kV Medium Voltage Distribution Network at PT PLN (Persero) ULP Balige Arya Habibi; Moranain Mungkin; Muhammad Fadlan Siregar
INFOKUM Vol. 13 No. 03 (2025): Infokum
Publisher : Sean Institute

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Abstract

A Power losses in medium voltage distribution networks remain a significant concern for utility companies, particularly in developing regions. This study presents an analytical investigation into the role of control systems in minimizing power losses within the 20 kV medium voltage distribution network at PT PLN (Persero) ULP Balige. This paper research focuses on identifying key components contributing to energy losses, such as unbalanced loading, reactive power flow, and suboptimal voltage regulation. A control system approach is analysed through simulations and system performance evaluations, involving the implementation of automatic capacitor bank control, transformer tap changers, and load balancing strategies. Using simulation tools such as ETAP and actual operational data from the Balige, distribution network, the study evaluates system behaviour under various control scenarios. The results show that implementing a responsive and automated control system significantly reduces technical losses, improves power factor, and enhances voltage profile stability across the network. The study concludes that an integrated control strategy tailored to the characteristics of the local network can optimize distribution efficiency and reduce operational costs. This research provides practical recommendations for PT PLN and similar utilities seeking to modernize their distribution infrastructure through smarter control technologies and data-driven planning.
Design of Pump Installation Process for Automatic Oil Circulation in Generator to Lubricate the Engine Naufal Aditia Putra; Ayub Wimatra; Heru Kusdarwanto
INFOKUM Vol. 13 No. 04 (2025): Infokum
Publisher : Sean Institute

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Abstract

Genset (generator set) is a device that functions to generate electrical power. Referred to as a generator set with the understanding is a set of combined equipment from two different devices, namely the engine and generator or alternator. The engine as a rotating device while the generator or alternator as a generating device. Genset maintenance must be heated every day with a time range of 10-15 minutes for oil lubrication circulation in all parts of the engine. This is because the generator uses a battery that requires consistent battery charging. Based on the problems above, to carry out fuel efficiency in carrying out generator engine maintenance, a pump installation process design is carried out as an automatic generator oil circulation to lubricate the generator engine.
An Analysis of Solar-Wind Hybrid Power Plants for Practical Learning Zuraidah Tharo; Siti Anisah; Fatur Rahman
INFOKUM Vol. 12 No. 04 (2024): Engineering, Computer and Communication, November 2024
Publisher : Sean Institute

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Abstract

A hybrid solar-wind power plant is a combination of two renewable energy sources, namely solar and wind energy, used to generate electricity. This study aims to analyze the performance and efficiency of a hybrid solar-wind power system as a practical learning tool. The research methodology involves collecting performance data from solar panels and wind turbines, as well as analyzing the integration of these two energy sources. The results show that the hybrid system can enhance the stability and continuity of electricity supply compared to using a single energy source. The implementation of a hybrid solar-wind power plant as a learning tool provides students with a deeper understanding of the application of renewable energy technologies and encourages innovation in the field of sustainable energy.
Evaluation of Administrative Position Equalization Policy Into Functional Positions at the Institute of Home Government Indriyani, Indriyani; Fernandes Simangunsong; Eva Eviany
INFOKUM Vol. 13 No. 04 (2025): Infokum
Publisher : Sean Institute

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Abstract

Bureaucratic simplification is part of the national bureaucratic reform that aims to create an effective, efficient, and professional government. One form of implementation is the equalization of administrative positions into functional positions. In the Institute of Domestic Government, this policy began to be implemented in 2020 by equalizing 137 administrative positions into functional positions. However, many functional officials resulting from the equalization still have difficulty in carrying out their new duties. This study aims to evaluate the implementation of the policy of equalizing administrative positions into functional positions at IPDN. In addition, this study also identifies supporting factors, obstacles, and efforts made to overcome them using a qualitative approach and the CIPP (Context, Input, Process, Product) evaluation model developed by Stufflebeam. Data were collected through in-depth interviews, observations, and documentation, and analyzed using NVivo software. The evaluation results show that this policy has a strong foundation and supports the bureaucratic reform agenda and is relevant to IPDN's objectives, but still faces challenges in the input aspect, such as limited resources, lack of training, and inadequate work guidelines. In terms of process, policy implementation is hampered by weak coordination between units, minimal monitoring and evaluation, and low employee involvement in decision making. Although in the evaluation of this policy product it has a positive impact on employee professionalism and satisfaction, the effectiveness of its implementation is still not optimal due to mismatched tasks and increasing administrative burdens.
Implementation of Government Regulation on Civil Servant Discipline at the Regional Secretariat of North Sulawesi Province Yonathan Barambula; Muh. Ilham; Eva Eviany
INFOKUM Vol. 13 No. 04 (2025): Infokum
Publisher : Sean Institute

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Abstract

This study discusses the problems in the implementation of Government Regulation Number 94 of 2021 concerning Civil Servant Discipline at the Regional Secretariat of North Sulawesi Province. Although this policy aims to strengthen the culture of ASN discipline, in its implementation there are still obstacles that have an impact on its effectiveness. The focus of the research is directed at the Implementation of Government Regulations on Civil Servant Discipline at the Regional Secretariat of North Sulawesi Province. This study uses a qualitative approach with a descriptive method. Data collection techniques are carried out through in-depth interviews, observations, and documentation studies. Data analysis is carried out interactively using the Van Meter and Van Horn policy implementation theory, which includes six main variables: policy standards and targets, resources, characteristics of implementing agents, inter-organizational communication, socio-political environmental conditions, and implementer dispositions. The results of the study indicate that the implementation of the civil servant discipline policy has not been fully optimal. Some of the obstacles found include the lack of employee understanding of the contents of the regulations, limitations in terms of policy socialization, budget limitations, and the suboptimal supporting facilities and infrastructure. In addition, communication between work units is not yet fully consistent, which has an impact on the coordination of policy implementation. The conclusion of this study is that the implementation of Government Regulation Number 94 of 2021 still needs to be strengthened through increasing human resource capacity, ongoing socialization, and consistent supervision. The researcher recommends improvements in aspects of internal communication, budget allocation for disciplinary enforcement activities, and the use of information technology to support effective policy implementation.
Analysis of Solar Power System Planning For Street Lighting SUPPLY at Campus I Universitas Pembangunan Panca Budi Medan Mhd Hasbi Ramadhan; Haris Gunawan; Dicky Lesmana
INFOKUM Vol. 13 No. 04 (2025): Infokum
Publisher : Sean Institute

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Abstract

Solar energy is a renewable energy source (EBT) that will not run out. One of the uses of solar energy is as a source of energy for solar-powered public street lighting (PJUTS). Public street lightingCampus Area of Panca Budi Development Universityaims to help improve road safety at night. In this study, planning will be carried out for solar-powered Public Street Lighting (PJUTS) located inCampus Area of Pancasila Development Universitywith a road width of 5 m and a road length of 320 m. Planning for solar-powered public street lighting (PJUTS) requires 14 lighting points with a load of 24 Watt LED lights. With a pole height of 7 m and a distance between poles of 25 m, the lighting intensity is 6.72 lux for manual calculations. Meanwhile, according to applicable standards, the lighting intensity value is 3-7 lux. The solar module used has a capacity of 75 Wp. PJUTS operates 12 hours a day and is able to continue operating for 3 days without a solar energy source. The total cost that must be incurred for this solar-powered public street lighting is IDR 1,224,500,000

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