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All Journal Jurnal ULTIMA Computing Jurnal Informatika Global IJISCS (International Journal of Information System and Computer Science)
Paramasatya, Johanes Dimas
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering

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Micro-Scale CPV Performance Enhancement through V-Trough Concentration and Passive Cooling Robert, Nicholas; Paramasatya, Johanes Dimas; Prastomo, Niki
ULTIMA Computing Vol 17 No 1 (2025): Ultima Computing: Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/sk.v17i1.4206

Abstract

The global reliance on fossil fuels has driven the need for clean, renewable alternatives. Concentrated Photovoltaic (CPV) systems offer a promising solution by increasing energy yield per unit area, particularly in regions with high solar irradiance. This study investigates the performance enhancement of a micro-scale CPV system through the integration of a V-trough optical concentrator and passive thermal regulation mechanisms. Five system variants were developed and tested: a baseline with no enhancement, a standard CPV, and three CPV systems incorporating heat sinks, heat pipes, and a hybrid of both. Optical simulations were performed to achieve a 2× concentration ratio using planar mirrors angled at 60°, while all cooling systems relied on passive methods to maintain simplicity and low cost. Field tests conducted in a tropical environment revealed that all CPV systems outperformed the baseline, with the hybrid-cooled system delivering the highest average power output—138.76 mW, a 32.37% improvement over the baseline. Surface temperatures were also significantly reduced, with the hybrid system lowering temperatures by up to 6.8°C. These results highlight the synergistic potential of combining optical and passive thermal enhancements in compact CPV designs, providing a scalable, cost-effective solar energy solution suitable for rural and off-grid applications in high-irradiance regions.
EXPERIMENTAL STUDY ON THE USE OF SHARP INFRARED SENSOR FOR DISTANCE DETECTION IN PARKING ASSISTANCE APPLICATIONS IN AUTOMOTIVE SYSTEMS Paramasatya, Johanes Dimas; Saputri, Fahmy Rinanda
IJISCS (International Journal of Information System and Computer Science) Vol 7, No 3 (2023): IJISCS (International Journal of Information System and Computer Science)
Publisher : Bakti Nusantara Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56327/ijiscs.v7i3.1593

Abstract

In this study, experiments were conducted on the implementation of the Sharp Infrared Sensor, specifically the Sharp 0A4ISK model, for distance detection in parking assistance applications within automotive systems. The increasing complexity of modern vehicles and the need for enhanced parking safety have prompted the exploration of innovative sensor technologies. In this research, we focused on the application of the Sharp Infrared Sensor to improve parking assistance systems. The study involved calibration, testing, and performance evaluation of the sensor on a laboratory scale. The methodology included the design of electronic component circuits and program development. Subsequently, testing of the sensor's ability to accurately detect distances between a miniature vehicle and a wall was performed. The research results indicate that the Sharp Infrared Sensor offers the ability to detect distance, thus holding the potential for integration into automotive systems.
APPLICATION OF SOFTWARE SIMULATION FOR LIGHTING ANALYSIS IN THE LAB. OF HOTEL OPERATIONS DEPARTMENT UMN Saputri, Fahmy Rinanda; Paramasatya, Johanes Dimas; Radithya, Linus Gregorius
Jurnal Ilmiah Informatika Global Vol. 15 No. 2: Agustus 2024
Publisher : UNIVERSITAS INDO GLOBAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36982/jiig.v15i2.4395

Abstract

In this study, an analysis of lighting in campus buildings was conducted, specifically for the in the Laboratory of Hotel Operations Department Universitas Multimedia Nusantara (UMN). The main issue identified is visual comfort for occupants in a room, which must comply with the Indonesian National Standard (SNI) 6197-2020. Ensuring proper lighting is crucial for both functionality and occupant comfort, particularly in educational settings where tasks require adequate illumination. The lighting analysis was performed through simulation using Dialux and SketchUp software. The process involved designing a detailed building model based on the room layout, including all relevant architectural and interior features. Once the model was completed, the lighting simulation was executed using Dialux. This simulation entailed determining the optimal position of furniture within the room, selecting appropriate types of luminaires, and strategically placing these luminaires to achieve the desired lighting levels. The results of the simulation indicated that the current lighting levels in the laboratory were below the standards set by the SNI. Specifically, the minimum illumination level required by SNI 6197-2020 for a room functioning as a restaurant kitchen, which is analogous to the that Laboratory, is an average of at least 250 lux. The findings highlight the need for redesigning the lighting system in the laboratory to meet the prescribed standards and ensure adequate visual comfort and functionality for its users.
Co-Authors Prastomo, Niki Radithya, Linus Gregorius Robert, Nicholas Saputri, Fahmy Rinanda