Search Results

Results (1164)

Search Parameters:

Keyword: ODE
Order results
Results per page
Open AccessArticle
12 Pages, 1,413 KB Download PDF

Multi-Layered Machine Learning Model For Mining Learners Academic Performance

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 850–861, 2021; DOI: 10.25046/aj060194
Abstract:

Different colleges and universities have different approaches to dealing with low-performance learners. However, in most cases, analgesics do not deal with root problems. This research suggests a model of three layers of variables sequentially adaptable to a deep-root issue. The suggested model can identify early pupils who could be at risk because of inaccurate or…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
6 Pages, 2,133 KB Download PDF

Design, Optimization and Simulation of a New Decoder for Reed Solomon and BCH Codes using the New Syndromes Block

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 1, Page # 38–43, 2023; DOI: 10.25046/aj080105
Abstract:

In this paper, a new syndrome block for Reed Solomon RS and BCH codes used respectively in digital Video broadcasting DVB-S and DVB-S2 has been presented in order to reduce the number of iterations compared to the existed block, which can be found in the literature, the new method is based on a factorization of…

Read More
(This article belongs to Section Biomedical Engineering (EBI))
Open AccessArticle
11 Pages, 1,647 KB Download PDF

An Ensemble of Voting- based Deep Learning Models with Regularization Functions for Sleep Stage Classification

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 1, Page # 84–94, 2023; DOI: 10.25046/aj080110
Abstract:

Sleep stage performs a vital role in people’s daily lives in the detection of sleep-related diseases. Conventional automated sleep stage classifier models are not efficient due to the complexity linked to the design of mathematical models and extraction of hand-engineering features. Further, quick oscillations amongst sleep stages frequently lead to indistinct feature extraction, which might…

Read More
(This article belongs to Section Biomedical Engineering (EBI))
Open AccessArticle
6 Pages, 885 KB Download PDF

On the Polytopic Modelling & Robust H∞ Control of Nonlinear Systems Subject to Cyber-attack: Application to Attitude Stabilization of Quadrotor

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 1, Page # 78–83, 2023; DOI: 10.25046/aj080109
Abstract:

In the present contribution, a robust output H∞ control ensuring the stability, reliability and security for nonlinear systems when actuator attacks (data deception attacks) occur. A new design method based on the polytopic rewriting of the attacked system as an uncertain one subject to external disturbances will be detailed. Robust polytopic state feedback observer sta-…

Read More
(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Automation & Control Systems (ACS))
Open AccessArticle
13 Pages, 1,879 KB Download PDF

Nonlinear Model Predictive Control of Rover Robotics System

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 1, Page # 44–56, 2023; DOI: 10.25046/aj080106
Abstract:

The paper presents two robust and efficient control algorithms based on (i) Optimal Control Allocation (OCA) and (ii) Nonlinear Model Predictive Control (NMPC). The robotics system consists of two rovers with mecanum wheels and mounted two 7-DOF arms carrying a common load. The overall system is an underdetermined one with non-holonomic constraints. The developed control…

Read More
(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Robotics (ROB))
Open AccessArticle
8 Pages, 3,703 KB Download PDF

Interference-Aware Nodes Deployment of a LoRa-Based Architecture for Smart Agriculture in the Southern Region of Senegal

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 6, Page # 248–255, 2022; DOI: 10.25046/aj070628
Abstract:

In Senegal, agriculture has always been seen as the foundation on which the socioeconomic development of the country rests. However, in the rural world, agriculture remains traditional at a time when the challenges of food self-sufficiency to accompany emergence are launched. In the southern part of Senegal commonly called Casamance, the abundance of rain makes…

Read More
(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Agricultural Engineering (AEN))
Open AccessArticle
11 Pages, 1,691 KB Download PDF

Model Order Reduction and Distribution for Efficient State Estimation in Sensor and Actuator Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 146–156, 2022; DOI: 10.25046/aj070516
Abstract:

We present in this contribution the distribution of a global multi-input-multi-output system in a sensor and actuator network. Based on controllability and observability, the global system is decentralized and the system properties are preserved as a result. This results in multiple decentralized local single-input-single-output systems with the same system order as the global system. As…

Read More
(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Automation & Control Systems (ACS))
Open AccessArticle
17 Pages, 6,350 KB Download PDF

Long-term Bottom-up Modeling of Renewable Energy Development in Morocco

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 129–145, 2022; DOI: 10.25046/aj070515
Abstract:

Renewable energy is an essential source of green growth for countries facing a shortage of fossil fuels. They offer a sustainable, inexhaustible, carbon-free solution to the future energy dependency of nations. Morocco, which has no traditional energy resources, depends entirely on the international primary energy market to meet its growing demand. For this reason, Morocco…

Read More
(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
12 Pages, 3,279 KB Download PDF

DEM models Calibration and Application to Simulate the Phosphate Ore Clogging

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 79–90, 2022; DOI: 10.25046/aj070511
Abstract:

In different areas of industry (mining, food processing, pharmaceutical, manufacturing…), the problem of grain, aggregate and clusters flow arises during the handling activities especially loading and unloading. Thus, the study and control of the parameters that govern the flow of the granular medium and its interaction with its environment are key parameters to achieve the…

Read More
(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Chemical Engineering (ENC))
Open AccessArticle
9 Pages, 1,070 KB Download PDF

A Proposal of Code Modification Problem for Self-study of Web Client Programming Using JavaScript

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 53–61, 2022; DOI: 10.25046/aj070508
Abstract:

In current societies, web application systems take central roles in computer systems. Thus, web client programming using JavaScript has increased values to add dynamic features and functions in web pages by well working with HTML and CSS. In this paper, as a new type of exercise problem for its self-study, we propose a code modification…

Read More
(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
8 Pages, 3,158 KB Download PDF

An Improved Model to Analyze the Impact of Cyber-Attacks on Power Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 5, Page # 27–34, 2022; DOI: 10.25046/aj070504
Abstract:

In this paper, an improved model has been proposed for investigating the impact of cyber-attacks on power systems regarding frequency disturbances and voltage disruption while changing the load called ICAPS. The proposed ICAPS model is formulated by five different controllers, such as LFC, AGC, AGC-PID, AVR, and AVR-PID, implemented in two sets of the system…

Read More
(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 1,606 KB Download PDF

A Machine Learning Model Selection Considering Tradeoffs between Accuracy and Interpretability

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 4, Page # 72–78, 2022; DOI: 10.25046/aj070410
Abstract:

Applying black-box ML models in high-stakes fields like criminology, healthcare and real-time operating systems might create issues because of poor interpretability and complexity. Also, model building methods that include interpretability is now one of the growing research topics due to the absence of interpretability metrics that are both model-agnostic and quantitative. This paper introduces model…

Read More
(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
5 Pages, 4,036 KB Download PDF

NiO Quantum dots Doped Triple Cation Perovskite \(\mathrm{CsMAFAPbI_2Br_2}\) Heterojunction Photodetector with High Responsivity

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 161–165, 2022; DOI: 10.25046/aj070318
Abstract:

Optoelectronic devices applications based on Organic–inorganic perovskites are promising and effective low-cost energy materials due to their exceptional physical properties which include high carrier mobility, high optical absorption coefficient, and long carrier diffusion length. In the presented work, a TiO2/NiO+5% Fe quantum dots (QDs)–doped CsMAFAPbI2Br2 perovskite heterojunction broadband photodetector was fabricated on FTO/glass substrate. The…

Read More
(This article belongs to Section Coatings & Films in Materials Science (MCF))
Open AccessArticle
11 Pages, 1,302 KB Download PDF

Generalized Linear Model for Predicting the Credit Card Default Payment Risk

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 51–61, 2022; DOI: 10.25046/aj070306
Abstract:

Predicting the credit card default is important to the bank and other lenders. The credit default risk directly affects the interest charged to the borrower and the business decision of the lenders. However, very little research about this problem used the Generalized Linear Model (GLM). In this paper, we apply the GLM to predict the…

Read More
(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
12 Pages, 3,003 KB Download PDF

Encompassing Chaos in Brain-inspired Neural Network Models for Substance Identification and Breast Cancer Detection

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 32–43, 2022; DOI: 10.25046/aj070304
Abstract:

The main purpose in this work is to explore the fact that chaos, as a biological characteristic in the brain, should be used in an Artificial Neural Network (ANN) system. In fact, as long as chaos is present in brain functionalities, its properties need empirical investigations to show their potential to enhance accuracies in artificial…

Read More
(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
13 Pages, 5,824 KB Download PDF

Towards a Model-based and Variant-oriented Development of a System of Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 19–31, 2022; DOI: 10.25046/aj070303
Abstract:

The development of an aggregated system consisting of autonomously developed components is usually implemented as a self-contained unit. If such an aggregation is understood as a system of systems (SoS) that communicates via interfaces with its autonomous subsystems and components, the interfaces and communication exchange should play a central role in the architectural design. In…

Read More
(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Multidisciplinary Sciences (MUS))
Open AccessArticle
6 Pages, 5,978 KB Download PDF

Interpretable Rules Using Inductive Logic Programming Explaining Machine Learning Models: Case Study of Subclinical Mastitis Detection for Dairy Cows

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 143–148, 2022; DOI: 10.25046/aj070214
Abstract:

With the development of Internet of Things technology and the widespread use of smart devices, artificial intelligence is now being applied as a decision-making tool in a variety of fields. To make machine learning models, including deep neural network models, more interpretable, various techniques have been proposed. In this paper, a method for explaining the…

Read More
(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Bioinformatics (BIF))
Open AccessArticle
8 Pages, 2,409 KB Download PDF

A Unified Visual Saliency Model for Automatic Image Description Generation for General and Medical Images

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 119–126, 2022; DOI: 10.25046/aj070211
Abstract:

An enduring vision of Artificial Intelligence is to build robots that can recognize and learn the visual world and who can speak about it in natural language. Automatic image description generation is a demanding problem in Computer Vision and Natural Language Processing. The applications of image description generation systems are in biomedicine, military, commerce, digital…

Read More
(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 6,385 KB Download PDF

Solar Energy Assessment, Estimation, and Modelling using Climate Data and Local Environmental Conditions

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 103–111, 2022; DOI: 10.25046/aj070209
Abstract:

On Renewable Energy (RE), this field covers the most significant share of the world energy demand and challenges on the expensive measurement and maintenance equipment to be used. In all studies and designs, global solar radiation (GSR) measurements require assessment, estimation, and models to be applied together with the environment and meteorological data on installing…

Read More
(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
21 Pages, 1,007 KB Download PDF

On the Construction of Symmetries and Retaining Lifted Representations in Dynamic Probabilistic Relational Models

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 73–93, 2022; DOI: 10.25046/aj070207
Abstract:

Our world is characterised by uncertainty and complex, relational structures that carry temporal information, yielding large dynamic probabilistic relational models at the centre of many applications. We consider an example from logistics in which the transportation of cargoes using vessels (objects) driven by the amount of supply and the potential to generate revenue (relational) changes…

Read More
(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Applied Mathematics (MAP))
Open AccessArticle
10 Pages, 1,328 KB Download PDF

IT Project Management Models in an Era of Digital Transformation: A Study by Practice

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 2, Page # 53–62, 2022; DOI: 10.25046/aj070205
Abstract:

In 1998 we were talking about an NTIC era, and since the years 2010, we are tracing the beginning of a new era of technological development, called the era of digital transformation. During this new era companies have started to run towards the digitalization of their processes, which represent a large part of the market,…

Read More
(This article belongs to Section Software Engineering in Computer Science (CSE))
Open AccessArticle
7 Pages, 1,060 KB Download PDF

Optimization of the Sliding Mode Control (SMC) with the Particle Swarm Optimization (PSO) Algorithm for Photovoltaic Systems Based on MPPT

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 100–106, 2022; DOI: 10.25046/aj070110
Abstract:

Photovoltaic systems are classified as non-linear systems. On the other hand, the characteristics of photovoltaic cells are non-linear. For this reason, researchers use several methods of maximum power monitoring (MPPT) to improve the performance of photovoltaic system. It is therefore necessary to use an adaptation stage between the photovoltaic generator (GPV) and the load to…

Read More
(This article belongs to Section Automation & Control Systems (ACS))
Open AccessArticle
19 Pages, 8,031 KB Download PDF

Thermoelectric Generators (TEGs) and Thermoelectric Coolers (TECs) Modeling and Optimal Operation Points Investigation

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 60–78, 2022; DOI: 10.25046/aj070107
Abstract:

Sustainable energy is gradually becoming the norm today due to greenhouse warming effects; as a result, the quests for different renewable energy sources such as photovoltaic cells as well as energy efficient electrical appliances are becoming popular. Therefore, this article explores the alternative energy case for thermoelectricity with focus on the steady-state mathematics, mixed modelings…

Read More
(This article belongs to the SP12 (Special Issue on Multidisciplinary Sciences and Engineering 2021-22) & Section Thermodynamics (THD))
Open AccessArticle
13 Pages, 2,992 KB Download PDF

Value Trace Problems for Code Reading Study in C Programming

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 1, Page # 14–26, 2022; DOI: 10.25046/aj070103
Abstract:

C programming is taught in a lot of universities across the world as the first computer programming language. Then, for novice students, it is important to read many simple C source codes and understand their behaviors to be familiar to the programming paradigm. Unfortunately, effective tools to support independent code reading study at home have…

Read More
(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Theory & Methods in Computer Science (CTM))
Open AccessArticle
6 Pages, 1,136 KB Download PDF

Video Risk Detection and Localization using Bidirectional LSTM Autoencoder and Faster R-CNN

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 6, Page # 145–150, 2021; DOI: 10.25046/aj060619
Abstract:

This work proposes a new unsupervised learning approach to detect and locate the risks “abnormal event” in video scenes using Faster R-CNN and Bidirectional LSTM autoencoder. The approach proposed in this work is carried out in two steps: In the first step, we used a bidirectional LSTM autoencoder to detect the frames containing risks. In…

Read More
(This article belongs to Section Artificial Intelligence in Computer Science (CAI))

Journal Menu

Journal Browser


Special Issues

Special Issue on Digital Frontiers of Entrepreneurship: Integrating AI, Gender Equity, and Sustainable Futures
Guest Editors: Dr. Muhammad Nawaz Tunio, Dr. Aamir Rashid, Dr. Imamuddin Khoso
Deadline: 30 May 2026

Special Issue on Indigenous Knowledge Systems of the Tribal Communities of the Asia Pacific
Guest Editors: Dr. Anurag Hazarika
Deadline: 31 October 2026

Special Issue on Sustainable Technologies for a Resilient Future
Guest Editors: Dr. Debasis Mitra, Dr. Sourav Chattaraj, Dr. Addisu Assefa
Deadline: 30 April 2026