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The preliminary study of carbon x-change rakyat using blockchain application Putro, Wahyu Sasongko; Rahmi, Nitia; Asditama, Raditya Yoga; Akbar, Nur Arifin
International Journal of Electrical and Computer Engineering (IJECE) Vol 14, No 1: February 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v14i1.pp672-680

Abstract

Today’s air pollution is detrimental to the environment, particularly in Indonesia. Carbon dioxide (CO2) and nitrogen oxide (NOx) are present in the atmosphere due to air pollution. Many individuals employ reforestation to lessen the influence of CO2 and NOx gases on the atmosphere. However, in the digitalized era, lowering carbon emissions may also be accomplished through a carbon credit exchange. Thus, in this study we investigate the performance of the carbon x-change rakyat (CXR) based on blockchain platform utilizing the stress test approach. We provided four scenarios with 10,000 to 100,000 transactions evaluated on the CXR blockchain system i.e., transfer, insert, remove, and update. The outcome demonstrates CXR’s effectiveness with 100% success and 0% failure rate based on testing and statistical computations calculation. The mean absolute error (MAE), variance accounted for (VAF), and percent error (PE) are obtained with values ranging from 0.38% to 4.67%. In this study, the transaction per-second (TPS) is used to calculate include error request (IER) and exclude error request (EER) values around 312 to 746 milliseconds (ms). In addition, the TPS of CXR based on blockchain platform is a capability to create and trace database carbon certificate ownership (nonfinancial activity). It means CXR based on the blockchain platform has a fast response to process carbon certificate ownership for transactions across local and international countries in the world.
DEVELOPMENT OF AN INTEGRATED AERODROME CONTROL TOWER SIMULATOR LABORATORY FOR AIR TRAFFIC CONTROL TRAINING Fridyatama, Dimas Arya Soeadyfa; Billad, Muhammad Roil; Baskoro, Farid; Putro, Wahyu Sasongko
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 10 No. 4 (2026): Volume 10, Nomor 4, August 2026
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v10i4.56003

Abstract

The increasing complexity of air traffic operations requires advanced training systems to improve controller competency, situational awareness, and operational decision-making. This study aimed to develop an integrated aerodrome control tower simulator laboratory for Air Traffic Control (ATC) training using a Research and Development (R&D) approach. The research adopted an iterative and human-centered development process comprising requirements analysis, system design, prototype development, system integration, functional verification, and human-in-the-loop validation. Data were collected through system requirement analysis, prototype testing, operational observation, and documentation review, while the developed system was evaluated using functional and descriptive analyses. The simulator integrates progressive scenario-based training, panoramic tower visualization, radar displays, pseudo-pilot communication, Voice over Internet Protocol (VoIP), replay systems, and instructor supervision within a unified training environment. The results indicate that the developed simulator supports operational realism, procedural learning, situational awareness, and objective competency assessment through synchronized logs and replay-based evaluation. The novelty of this study lies in the development of a modular, locally maintainable ATC simulator laboratory that integrates visualization, radar simulation, communication systems, pseudo-pilot interaction, and performance evaluation into a single platform. The proposed laboratory offers a scalable, sustainable solution for aviation education and ATC training.