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All Journal Journal of Geoscience, Engineering, Environment, and Technology Journal of Applied Geospatial Information
Matondang, Aprima A.
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Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Physics

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Design of Digital Mobile Application for Marine and Coastal Observation in Northern part of Sumatra Matondang, Aprima A.; Simanjuntak, Mutiara; Simangunsong, Juanto
Journal of Applied Geospatial Information Vol. 8 No. 2 (2024): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v8i2.9166

Abstract

We have successfully developed a mobile program to address the challenges of marine and coastal observation serves as a solution to the communication gap between local peoples with ocean issues. In this app, we examine common of marine problems encountered by civilian and discuss the methods used to diagnose and resolve these issues. Some preventive measures can be taken are mangrove replanting programs, satellite and drone monitoring systems to monitor illegal activities at sea and campaigns to reduce the use of single-use plastics and raise awareness of the importance of marine conservation. These can be combined in a digital application connected to a smartphone. The application can answer future challenges related to observation and preventive measures for strengthening and mitigating disasters in marine and coastal ecosystems that can support maritime-based economic resilience in Indonesia. The application is MyOcean that can handle several problems related with ocean issues. The following displays the home page and registration page on the web-based boarding search application. By utilizing these applications, users can improve their understanding, management, and preservation of coastal areas. These applications are suitable for various groups, including fishermen, government, and the general public.
Evaluation of Dissolved Oxygen Concentration in Different Circulation Systems on Water Quality in Fish Pond Yohana, Winda Y.; Nasution, Tulus I.; Wahyuningsih, Hesti; Matondang, Aprima A.; Margolang, Anggi R.
Journal of Applied Geospatial Information Vol. 8 No. 1 (2024): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v8i1.7820

Abstract

This study aims to evaluate the impact of different circulation systems on water quality parameters in tilapia rearing. Good water quality is very important in tilapia rearing so that tilapia can grow healthily and optimally. In this study, three different circulation systems were compared, namely a circulation system without a pump, a circulation system with one pump, and a circulation system with two pumps to increase the concentration of dissolved oxygen in the pond. The results of this study showed that CS III was able to maintain an efficient and stable DO concentration of around 7.5 to 8 ppm which also resulted in a stable pH value. Compared to CS I with a low DO concentration of about 3 ppm which impacted the pH value inefficiently. Also, CS II showed stable DO concentrations but decreased pH values. This shows that CS III can create more optimal environmental conditions for tilapia growth compared to other circulation systems. Furthermore, The consistent of DO concentration has an impact on other water quality parameters, namely pH, which is also consistent and stable, which is good for fish health.
Comparing the Behavior and Growth of Red and Black Tilapia in the Same Pond Margolang, Anggi R.; Nasution, Tulus I.; Wahyuningsih, Hesti; Matondang, Aprima A.; Yohana, Winda Y.
Journal of Applied Geospatial Information Vol. 8 No. 1 (2024): Journal of Applied Geospatial Information (JAGI)
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jagi.v8i1.7821

Abstract

This study compared the growth of red and black tilapia in a shared pond. It examined environmental factors, including temperature, pH levels, dissolved oxygen (DO), and total dissolved solids (TDS). The study employed a solitary water pump system to monitor fish growth and water quality over 36 days. Although there was a decline in dissolved oxygen (DO) levels on day 18, red tilapia exhibited accelerated growth and higher survival rates, suggesting enhanced environmental adaption compared to black tilapia. The feeding parameters were of utmost importance, and Prima Feed (PF 1000) performed a critical role by offering the ideal levels of protein (39-41%), fat (5%), fiber (6%), ash (16%), and water content (10%). Water quality assessments indicated varying dissolved oxygen (DO) levels, which were affected by temperature fluctuations caused by unpredictable weather conditions. Although the TDS range of 0.5-1.0 ppm was deemed suitable for tilapia cultivation, the total water quality remained suboptimal throughout the investigation. However, the findings indicated that red tilapia exhibited a greater growth rate than black tilapia under identical pond conditions. This can be related to the red tilapia's improved capacity to withstand fluctuations in temperature and retain a higher level of physiological stability. This study offers significant findings regarding the disparities in the two tilapia species' behavior, growth, and survival. These findings can be used to enhance pond management and maintenance procedures to achieve better outcomes in aquaculture.
Advancing Environmental and Health Pollution Monitoring in Medan, Indonesia: A Mechatronics-Based Meta-Analysis Z Zumhari; Hutajulu, Elferida; Sibarani, Baringin; Sirait, Regina; Anggriani, Theresia; Matondang, Aprima A.
Journal of Geoscience, Engineering, Environment, and Technology Vol. 10 No. 3 (2025): JGEET Vol 10 No 03 : September (2025)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2025.10.3.24694

Abstract

Mechatronics, as an interdisciplinary field integrating mechanical, electrical, computer, and control engineering, provides innovative solutions for energy and environmental challenges in urban regions. This study conducts a systematic literature review and meta-analysis using open access datasets to evaluate solar energy potential, electricity reliability, and air quality in Medan, North Sumatra. Results show that the city has strong solar irradiance levels, averaging 5.75 kWh/m²/day, indicating substantial feasibility for photovoltaic deployment. Electricity reliability, assessed through SAIFI and SAIDI indicators, is more stable in Medan compared with other Indonesian cities, offering a favorable foundation for renewable integration. Air quality analysis reveals moderate conditions, with PM2.5 concentrations averaging 28 µg/m³, slightly above World Health Organization standards, yet lower than Jakarta and Pekanbaru. Across all dimensions, mechatronics applications, including smart grid automation, intelligent inverters, IoT-based environmental sensors, and robotics-assisted monitoring emerge as crucial tools to bridge research and implementation gaps. The study identifies limited adoption of techno-economic feasibility analysis, localized reliability assessments, and distributed sensor networks in Medan, which restricts practical deployment. Future research should emphasize mechatronic frameworks such as predictive control, cyber-physical systems, and stochastic modeling to improve resilience. Policy recommendations highlight the need for targeted incentives, pilot projects, and interdisciplinary collaboration. Overall, this work positions mechatronics as a key enabler for sustainable energy transition and environmental management in Medan, offering insights applicable to other rapidly urbanizing regions in Indonesia.
Quantitative Assessment of Passive Load Balancing for a Designed HVAC Installation: Case study in Magnificent Hall, Deli Park S Suparmono; C Cholish; A Abdullah; Sinambela, Haksa; Alda, Tania; Matondang, Aprima A.; Simanjuntak, Andrean V.
Journal of Geoscience, Engineering, Environment, and Technology Vol. 10 No. 3 (2025): JGEET Vol 10 No 03 : September (2025)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2025.10.3.24696

Abstract

This study presents a comprehensive analysis of a designed three-phase electrical distribution system for a dedicated Heating, Ventilation, and Air Conditioning (HVAC) plant. Based on data extracted from a single-line diagram and load schedule, a significant inherent load imbalance of 9.15% was identified. This paper outlines a four-stage methodology to investigate the consequences and propose a solution. The methodology includes a system audit, simulation-based consequence analysis of energy losses and motor derating, design of a no-cost phase-swapping mitigation strategy, and a techno-economic evaluation. The proposed passive balancing reduces the load imbalance to 1.32%. The study highlights the critical importance of meticulous load scheduling during the initial design phase to enhance system efficiency, ensure equipment longevity, and achieve significant operational cost savings without capital expenditure.
Design and Performance Evaluation of a 200 Wp Off-Grid Solar Photovoltaic Module for Renewable Energy in Indonesia Sitorus, Nobert; Ginting, Berta Br.; Panjaitan, Berman P.; Simanjuntak, Benrad E.; Naibaho, Penteris R. P.; Matondang, Aprima A.; Simanjuntak, Andrean V. H.
Journal of Geoscience, Engineering, Environment, and Technology Vol. 10 No. 3 (2025): JGEET Vol 10 No 03 : September (2025)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2025.10.3.24981

Abstract

The rapid growth of global energy demand and the urgent need to reduce greenhouse gas emissions have accelerated the transition toward renewable energy technologies, with solar photovoltaic (PV) systems playing a central role. In Indonesia, high solar irradiation provides significant potential for PV adoption, yet challenges remain in human resource capacity and technical readiness, particularly in rural areas where off-grid systems are critical. This study presents the design, development, and testing of a 200 Wp off-grid PV training module aimed at bridging the gap between theoretical knowledge and practical skills in renewable energy education. The module integrates two 100 Wp PV panels, a 100 Ah lithium-ion battery, an MPPT charge controller, and a 500 W pure sine wave inverter, all mounted on a modular acrylic platform to enable repeated assembly and disassembly for training purposes. Experimental testing under tropical conditions demonstrated stable PV output (Voc 19.8–21.5 V, Isc 4.8–5.4 A), efficient battery charging within 8 hours to full capacity, and reliable discharging performance sustaining DC loads for 18 hours and AC loads for 12–14 hours. Inverter efficiency averaged 92%, with minimal waveform distortion under typical loads. These results confirm the module’s reliability and educational value, offering a robust platform for vocational training and community-based capacity building. The study contributes to Indonesia’s renewable energy transition and supports Sustainable Development Goal 7 by enhancing technical education and workforce readiness for solar PV deployment.
Co-Authors A Abdullah Anggriani, Theresia Berman Panjaitan C Cholish Ginting, Berta Br. Hesti Wahyuningsih Hutajulu, Elferida Margolang, Anggi R. Mutiara S. Simanjuntak Naibaho, Penteris R. P. Nasution, Tulus I. S Suparmono Sibarani, Baringin Simangunsong, Juanto Simanjuntak, Andrean V. Simanjuntak, Andrean V. H. Simanjuntak, Benrad E. Sinambela, Haksa Sirait, Regina Sitorus, Nobert Tania Alda Yohana, Winda Y. Z Zumhari