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Open AccessArticle
6 Pages, 830 KB Download PDF

The First Study on Ionospheric Peak Variability over Equatorial Africa (COSMIC-2)

Advances in Science, Technology and Engineering Systems Journal, Volume 10, Issue 4, Page # 14–19, 2025; DOI: 10.25046/aj100402
Abstract:

In regions like the African equatorial region, where ground-based sensors like ionosondes and incoherent scatter radars are limited, satellite-based radio occultation (RO) observations offer a new alternative for ionospheric data collecting and optimization. Using RO measurements from the mostly newly launched COSMIC-2 (Constellation Observing System for Meteorology, Ionosphere, and Climate-2) mission, hence, the equatorial Africa,…

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(This article belongs to Section Meteorology & Atmospheric Sciences (MAS))
Open AccessArticle
10 Pages, 6,190 KB Download PDF

ARAIG and Minecraft: A Modified Simulation Tool

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 49–58, 2022; DOI: 10.25046/aj070408
Abstract:

Various interruptions to the daily lives of researchers have necessitated the usage of simulations in projects which may not have initially relied on anything other than physical inquiry and experiments. The programs and algorithms introduced in this paper, which is an extended version of research initially published in ARAIG And Minecraft: A COVID-19 Workaround, create…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 1,318 KB Download PDF

Effectiveness of Gamified Instructional Media to Improve Critical and Creative Thinking Skills in Science Class

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 44–50, 2022; DOI: 10.25046/aj070305
Abstract:

Gamified Instructional Media has recently been widely used in the education sector to improve students’ abilities. Using Gamified Instructional Media at the elementary school level becomes more interesting because it is in accordance with the way children learn K1-K6. The research aims to identify the gamified instructional using Genially to improve students’ critical and creative…

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(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Education (EDU))
Open AccessArticle
10 Pages, 514 KB Download PDF

Estimation of Non-homogeneous Thermal Conductivity using Fourier Heat Equation Considering Uncertainty and Error Propagation

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 90–99, 2022; DOI: 10.25046/aj070109
Abstract:

The present work develops an estimator for thermal conductivity using a simple exper- iment implemented in a simulated solid metallic bar. The bar is sectioned in a finite number of segments, lately called nodes, and a discretization of the Fourier heat equation is applied in each node to generate a timed-spaced model of the temperature…

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(This article belongs to Section Thermodynamics (THD))
Open AccessArticle
6 Pages, 505 KB Download PDF

Problems of Increasing the Intelligence of Algorithms for Optimal Distribution of the Current Load on the Combined Heat and Power Plant and Ways to Solve Them

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 5, Page # 369–374, 2021; DOI: 10.25046/aj060542
Abstract:

The problem of optimal distribution of the current load of a combined heat and power plant with a complex composition of equipment is considered. A multi-criteria approach is proposed for parts of graphs with a constant load in time, considering the factors of economy, reliability and ecology. For sections of the graph with a time-variable…

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(This article belongs to Section Automation & Control Systems (ACS))
Open AccessArticle
7 Pages, 929 KB Download PDF

SEA WAF: The Prevention of SQL Injection Attacks on Web Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 405–411, 2025; DOI: 10.25046/aj060247
Abstract:

The security of website application has become important in the last decades. According to the Open Web Application Security Project (OWASP), the SQL Injection is classified as one of the major vulnerabilities found in web application security. This research is focused on improving website security in dealing with SQL Injection attacks by stopping, monitoring, and…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
Open AccessArticle
9 Pages, 644 KB Download PDF

Current Views on Issues and Technology Development in Forensic Accounting Education of Indonesia

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 78–86, 2021; DOI: 10.25046/aj060109
Abstract:

The objective of this study is to examine the current views of academics on issues and technology development in forensic accounting education. By applying the explanatory sequential mixed method, this study tries to acquire a better understanding of current perception regarding forensic accounting education. This study indicates that demand for forensic accounting services is expected…

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(This article belongs to Section Agriculture, Multidisciplinary (AMU))
Open AccessArticle
7 Pages, 1,286 KB Download PDF

Development of Secondary Processing Data Methods under Single Point Thunderstorm Activity Monitoring

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1096–1102, 2020; DOI: 10.25046/aj0506133
Abstract:

Forecasting the occurrence and development of thunderstorms near insured mobile objects, such as aircraft carriers, oil tankers, requires the usage of appropriate single-point monitoring systems (SPMS) of thunderstorm activity. These systems must be small and included in the equipment of the objects. A SPMS based on EH location finder meets the requirements of small dimensions.…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Meteorology & Atmospheric Sciences (MAS))
Open AccessArticle
11 Pages, 1,037 KB Download PDF

Accelerating Decision-Making in Transport Emergency with Artificial Intelligence

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 520–530, 2020; DOI: 10.25046/aj050662
Abstract:

The paper addresses speeding up meetings in a networked environment during rescue works in a transport emergency. Several groups of representatives of various services and observers participate in those meetings. The number of wrong decisions tends to increase because remote participants cannot understand each other quickly. First, the meetings must be efficiently held to avoid…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
8 Pages, 1,203 KB Download PDF

To the Question of Multi-Criteria Optimization of Aircraft Components in Order to Optimize its Life Cycle

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 408–415, 2020; DOI: 10.25046/aj050649
Abstract:

The paper examines the impact on the product life cycle of reducing the duration of the development stages of aviation technology through the use of multi-criteria optimization. The subject of the study is the nose of a supersonic aircraft and the process of linking it. This example describes in detail the application of a comprehensive…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Aerospace Engineering (EAR))
Open AccessArticle
13 Pages, 4,219 KB Download PDF

Four-Dimensional Sparse Data Structures for Representing Text Data

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 154–166, 2020; DOI: 10.25046/aj050521
Abstract:

This paper focuses on a string encoding algorithm, which produces sparse distributed representations of text data. A characteristic feature of the algorithm described here, is that it works without tokenizing the text and can avoid other data preparation steps, such as stemming and lemmatization. The text can be of arbitrary size, whether it is a…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 1,044 KB Download PDF

Energy Recovery Equipment and Control Strategies in Various Climate Regions

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 4, Page # 47–53, 2020; DOI: 10.25046/aj050407
Abstract:

Different types of air-to-air energy recovery technologies such as coil loops, heat pipes, sensible wheels, and total energy wheels are frequently incorporated in HVAC systems in an attempt to reduce energy consumption. This study examines the impact of various types of energy recovery technologies and capacity control strategies on a building’s cooling, heating, and fan…

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(This article belongs to Section Civil Engineering (ECV))
Open AccessArticle
6 Pages, 1,133 KB Download PDF

The Adventure of BipBop: An Android App Pathfinding Adventure Game

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 299–304, 2020; DOI: 10.25046/aj050239
Abstract:

The purpose of this research is to build an android based pathfinding adventure game where user gets information about Indonesian culture, especially the traditional houses including the folk songs and the traditional weapons in certain areas. The method used is by questionnaires, interviews, observation, and literature study. This application also implements the A* algorithm to…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
Open AccessArticle
7 Pages, 1,214 KB Download PDF

Performance Analysis of Thyristors Switched Capacitors used for Reactive Power Compensation of Induction Motor

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 58–64, 2019; DOI: 10.25046/aj040408
Abstract:

This paper analyzes the process of reactive power compensation using thyristors switched capacitors TSC topology based on multiterminal switch during the starting of induction motor. The paper explains the control principle of this TSC topology which depends on the multiterminal switch. To actively track the required reactive power for the dynamic load and to perfectly…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electrical Engineering (ELE))
Open AccessArticle
9 Pages, 708 KB Download PDF

Cognitive Systems for Monitoring: Architectural View

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 117–125, 2019; DOI: 10.25046/aj040316
Abstract:

The modern stage of information technology development is characterized by the acute need to use cognitive technologies for the solution of tasks of practice, in particular, in the sphere of real world objects monitoring and management. Practical usage of cognitive systems of monitoring is significantly limited to two factors now: operation at the level of…

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(This article belongs to Section Theory & Methods in Computer Science (CTM))
Open AccessArticle
6 Pages, 634 KB Download PDF

Computational and Technological Models of Cognitive Monitoring Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 197–202, 2019; DOI: 10.25046/aj040226
Abstract:

The approach to the construction of promising cognitive monitoring systems is considered. Based on the analysis of known solutions, the problem of automatic synthesis of computational models of cognitive monitoring is posed. In the synthesis of models, it is proposed to reduce them to relatively finite operational automata. An example of a synthesized model of…

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(This article belongs to Section Theory & Methods in Computer Science (CTM))
Open AccessArticle
11 Pages, 3,098 KB Download PDF

Design of an Additively Manufacturable Multi-Material Light-Weight Gripper with integrated Bellows Actuators

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 23–33, 2019; DOI: 10.25046/aj040204
Abstract:

Combining state-of-the-art additive manufacturing technologies with structural optimization has the potential to produce geometrically complex multi-material components with integrated functionalities and desired structural behavior. In this article, the simulation-driven design process of a multi-material light-weight gripper with an integrated pneumatic bellows actuator is described. The design of the bellows structure is based on a previously…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Manufacturing Engineering (EMF))
Open AccessArticle
8 Pages, 910 KB Download PDF

Probabilistic Method for Anomalies Detection Based on the Analysis of Cyber Parameters in a Group of Mobile Robots

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 281–288, 2018; DOI: 10.25046/aj030636
Abstract:

This article is devoted to the issues of ensuring the security of a group of mobile robots in the implementation of attacks aimed at the property of accessibility of information and the availability of network nodes. The article presents a method for detecting an abnormal behavior of a network node based on the analysis by…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
5 Pages, 744 KB Download PDF

Virtual Memory Introspection Framework for Cyber Threat Detection in Virtual Environment

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 25–29, 2018; DOI: 10.25046/aj030104
Abstract:

In today’s information based world, it is increasingly important to safeguard the data owned by any organization, be it intellectual property or personal information. With ever increasing sophistication of malware, it is imperative to come up with an automated and advanced methods of attack vector recognition and isolation. Existing methods are not dynamic enough to…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 1,056 KB Download PDF

Mathematical Model Based on Newton’s Laws and in First Thermodynamic Law of a Gas Turbine

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 4, Page # 173–179, 2017; DOI: 10.25046/aj020423
Abstract:

The present article explains the modeling of a Gas Turbine system; the mathematical modeling is based on fluid mechanics applying the principal energy laws such as Euler’s Law, Newton’s second Law and the first thermodynamic law to obtain the equations for mass, momentum and energy conservation; expressed as the continuity equation, the Navier-Stokes equation and…

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(This article belongs to Section Multidisciplinary Engineering (EMU))
Open AccessArticle
7 Pages, 644 KB Download PDF

A comparative between CRISP-DM and SEMMA through the construction of a MODIS repository for studies of land use and cover change

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 598–604, 2017; DOI: 10.25046/aj020376
Abstract:

Among the most popular methodologies for development of data mining projects are CRISP-DM and SEMMA, This research paper explains the reason why it was decided to compare them from a specific case study. Therefore, this document describes in detail each phase, task and activity proposed by each methodology, applying it in the construction of a…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
12 Pages, 1,129 KB Download PDF

Design of Petri Net Supervisor with 1-monitor place for a Class of Behavioral Constraints

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 4, Page # 32–43, 2017; DOI: 10.25046/aj020405
Abstract:

This paper studies the design of supervisory controllers with a minimum number of monitor places for Manufacturing System modeled as safe Petri Nets. The proposed approach considers a class of safety specifications known as Behavioral Constraints with a restricted syntax. The set of Behavioral Constraints are represented as predicate logic formulas in normal conjunctive form.…

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(This article belongs to Section Interdisciplinary Applications of Mathematics (MIA))
Open AccessArticle
7 Pages, 2,518 KB Download PDF

Improving customs’ border control by creating a reference database of cargo inspection X-ray images

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 60–66, 2017; DOI: 10.25046/aj020309
Abstract:

Countries’ effective and efficient border security is becoming increasingly important in today’s global world of economy and trade. To ensure these, customs organisations are responsible for the prevention of illicit goods’ transportation across borders, particularly upon entry. The predicament of the customs administrations will soon be aggravated by both the increase of global trade and…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Remote Sensing (RMS))

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