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All Journal IJOG : Indonesian Journal on Geoscience JST ( Jurnal Sains Terapan ) JTT (Jurnal Teknologi Terpadu) ComTech: Computer, Mathematics and Engineering Applications Abdimas Universal Jurnal Sibermas (Sinergi Pemberdayaan Masyarakat) Community Empowerment Jurnal Pengabdian pada Masyarakat Ilmu Pengetahuan dan Teknologi Terintegrasi Techno Nusantara Civil Engineering Journal Journal of Civil Engineering and Vocational Education
Totok Sulistyo
Politeknik Negeri Balikpapan
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Journal : ComTech: Computer, Mathematics and Engineering Applications

 1 
The Asset Management and Tracking System for Technical and Vocational Education and Training (TVET) Institution Based on Ubiquitous Computing Totok Sulistyo; Karmila Achmad; Ida Bagus Irawan Purnama
ComTech: Computer, Mathematics and Engineering Applications Vol. 13 No. 1 (2022): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v13i1.7342

Abstract

Generally, Technical and Vocational Education and Training (TVET) has numerous types of assets used for conducting various skill-based learning activities. The failure to properly manage the TVET assets can lead to inefficient operation and administration, such as difficulty in tracking the history of the asset, location, and users. The research solved the problems by developing and implementing asset management and tracking system based on ubiquitous cloud computing for movable and fixed assets. The research activities were conducted in Politeknik Negeri Balikpapan, one of ten state-owned TVET institutions in Indonesia. This system was accessed using a web and mobile application. Quick Response (QR) code was used for asset identification to make a mobile device read the code with their built-in camera. Meanwhile, the geolocation was attached to provide the spatial information of assets’ whereabouts. Then, the research adopted the 5W1H question principle, so all aspects of asset management were collected and understood. The results show that the system helps TVET to keep track of their equipment and vital inventories in realtime. Moreover, the implementation of the system has a great impact administratively and ease in delivering instantaneous data and assets history for decisionmaking to internal and external asset auditors.
Turning DIN 19682-7 Procedure of Infiltration Rate of Soils Test into the Mobile App for Cloud Storage Sulistyo, Totok; Kiptiah, Mariatul; Kusumayudha, Sari Bahagiarti; Cahyadi, Tedy Agung; Fajar, Reza Adhi
ComTech: Computer, Mathematics and Engineering Applications Vol. 16 No. 2 (2025): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v16i2.13000

Abstract

The in-situ soil infiltration test using A Double Ring Infiltrometer (DRI) apparatus can be conducted in the field according to DIN 19682-7 standards and procedures. As required by these standards, the traditional paper-based measurement form can be replaced with a new application developed to meet standard requirements. The DRI apparatus consists of two concentric rings placed in the soil, filled with water, while the outer ring maintains a constant water level. The water level drop in the inner ring is observed and recorded at regular intervals. The infiltration rate can be calculated for each interval by measuring the change in water height over time. This new application facilitates the automatic calculation of both the actual soil infiltration rate and the Horton soil infiltration model. Comparison tests between the application results and Excel calculations have yielded similar outcomes. The goal of this research is to develop a mobile web-based application for recording data and calculating soil infiltration measurements using the DRI method. The research methodology involves transforming the measurement procedure into a concept, designing the application, and then implementing that design. By replacing the paper-based process, this application will enhance the efficiency, accuracy, and flexibility of soil infiltration measurement projects in various locations. Furthermore, the data will be stored in the cloud, allowing for crowdsourced infiltration data collection and monitoring from any location, including the office.
Co-Authors Adhi Nugraha, Ferdian Ali Abrar Bambang Agus Kironoto Bambang Yulistiyanto Basri Basri Basri Dahlan, Basri Cahyadi, Tedy Agung Cairil Anwar Darmawan, Risky Desak Made Ristia Kartika Desak Made Ristia Kartika Fathur Zaini Rachman Fatmawati Fatmawati Fatmawati Fatmawati Fatmawati Fatmawati Giarto, Rahmat Bangun Hartarto Pongtuluran, Ezra Ida Bagus Irawan Purnama Idarto, Dwi Ihsan Ihsan Karmila Achmad Karmila Achmad Karmila Achmad Karmila Achmad Karmila Achmad Kurniawan, Musthofa Kamal Kusumayudha, Sari Bahagiarti Lesmideyarti, Dwi M. Ain, Mohammad Isram Mariatul Kiptiah Mariatul Kiptiah Mariatul Kiptiah Mikail Eko Prasetyo, Mikail Eko Mohamad Amin Nur Yanti, Nur Rahmat Bangun Giarto Randis Randis Reza Adhi Fajar Rohmat Fauzi SUNARNO Sunarno , Sunarno Sunarno Sunarno Sunarno Suprapto Suprapto Syaeful Akbar Tatag Yufitra Rus Widodo W Widodo Widodo