Results (1165)

Search Parameters:

Keyword: ODE
Order results
Results per page
Open AccessArticle
10 Pages, 738 KB Download PDF

Improved Design and Recommendations for Street Lighting in Gitega City

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1356–1365, 2020; DOI: 10.25046/aj0506163
Abstract:

The article discusses the possibility of using solar energy for street lighting systems in the city of Gitega, in the Republic of Burundi. Analysis of weather and climate conditions of the city was carried out and an effective street lighting system based on solar mini-power plants using an intelligent control system developed. Calculations of technical…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
5 Pages, 655 KB Download PDF

Quality of Nursing Care in Hospitalized Patients of the Carlos Lanfranco La Hoz Hospital, 2019

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1335–1339, 2020; DOI: 10.25046/aj0506159
Abstract:

Background: The quality of care of the nursing professional in relation to the hospitalized patient refers to the set of knowledge and attitudes that the nursing professional must provide quality care, preventing risks and improving patient satisfaction, for which its objective is to determine the quality of nursing care in hospitalized patients at the LanFranco la…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Psychiatry (PSY))
Open AccessArticle
10 Pages, 1,286 KB Download PDF

Wideband Active Switch for Electronic Warfare System Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1312–1321, 2020; DOI: 10.25046/aj0506156
Abstract:

Discrete component based ultra-wideband SPDT switch modelling, design and implementation challenges are reported in this article. The basic SPDT switch is planned to design using PIN diodes (bare die). Nonlinear parameters extraction steps of PIN diode from datasheets have been proposed in this article instead of using readymade nonlinear PIN diode models. Equalizers are designed…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Electronic Engineering (EEE))
Open AccessArticle
13 Pages, 1,286 KB Download PDF

Empirical Probability Distributions with Unknown Number of Components

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1293–1305, 2020; DOI: 10.25046/aj0506154
Abstract:

We consider the estimation of empirical probability distributions, both discrete and continuous. We focus on deriving formulas to estimate number of categories for the discrete distribution, when the number of categories is hidden, and the means and methods to estimate the number of components in the Gaussian mixture model representing a probability density function given…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Mathematics (MAT))
Open AccessArticle
7 Pages, 1,237 KB Download PDF

Analysis of the Operational Impact of ETC Lanes on Toll Station

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1286–1292, 2020; DOI: 10.25046/aj0506153
Abstract:

Traffic congestion is being experienced daily by many travellers both on the inner-city roads as well as on the highways. The toll plaza can become a real highway bottleneck, as vehicles must stop and manually pay the tolls at the toll booths. This stop-and-go process can seriously affect traffic fluidity, resulting in a lower quality…

Read More
(This article belongs to Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
9 Pages, 1,362 KB Download PDF

LEACH Based Protocols: A Survey

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1258–1266, 2020; DOI: 10.25046/aj0506150
Abstract:

Advances in the world of communications and information technology, as well as the urgent necessity to monitor particular areas and regions, have led to a considerable and influential development in the world of wireless sensor nodes. As they are small, low-cost multi-purpose nodes with limited energy and capabilities. The most important points that deserve research…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
8 Pages, 1,896 KB Download PDF

Development and Performance Analysis of HRPL Using 6LoWPAN CC2538 Module for IoT Ecosystem

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1217–1224, 2020; DOI: 10.25046/aj0506145
Abstract:

The Internet of Things (IoT) application has been experiencing increasingly progressive demand, especially for embedded devices (ED). However, the ED has limited capabilities, low power consumption resources, and low bandwidth in connecting to the Internet by using Wireless Sensor Networks (WSNs). Therefore, the WSNs form creates a necessity for new technologies and protocols for the…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Information Systems in Computer Science (CIS))
Open AccessReview
17 Pages, 1,132 KB Download PDF

Development of a Technology and Digital Transformation Adoption Framework of the Postal Industry in Southern Africa: From Critical Literature Review to a Theoretical Framework

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1190–1206, 2020; DOI: 10.25046/aj0506143
Abstract:

The pressing and most urgent challenge for most of the Posts in Southern Africa is to transit from its historical reputation of being a snail-paced, inefficient, loss-making and ineffective service provider to an agile, innovative, solution-driven and highly competitive service provider that strive for excellence. In this context, adoption, and diffusion of technology and digital…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Operations Research & Management Science (ORM))
Open AccessArticle
8 Pages, 817 KB Download PDF

An Efficient Performance of OFDM-Shaped Symbol for 5G Green Communication Compared to FBMC

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1163–1170, 2020; DOI: 10.25046/aj0506140
Abstract:

The filter bank multi-carrier (FBMC) technique is being considered as the major candidates for the 5G schemes. The orthogonal frequency division multiplexing (OFDM) technique is used in 4G but it has drawbacks such as higher Out-of-Band (OOB) power reduction, and higher peak to average power ratio (PAPR). OFDM uses cyclic prefix (CP) extension to overcome…

Read More
(This article belongs to Section Electrical Engineering (ELE))
Open AccessReview
11 Pages, 572 KB Download PDF

Review of Different Methods for Optimal Placement of Phasor Measurement Unit on the Power System Network

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1071–1081, 2020; DOI: 10.25046/aj0506130
Abstract:

Phasor Measurement Unit (PMU) is an integral device for tracking, protection, and regulation of the power network. PMU gives synchronised calculations of actual-time data for voltage phasor, current phasor, and the frequency. Placing PMU in every node to observe the power network is not realistic from an economic standpoint and even for big data management.…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 7,201 KB Download PDF

Projection of Wireless Multipath Clusters Using Multi-Dimensional Visualization Techniques

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1064–1070, 2020; DOI: 10.25046/aj0506129
Abstract:

Advances in channel modeling allow wireless communication designers to accurately model and understand the channel’s phenomena within different propagation scenarios. A precise channel model results in the wireless system’s optimized performance while considering trade-offs due to the effects of the channel. The geometric-based stochastic channel model considers different interacting objects affecting the parameters using the…

Read More
(This article belongs to Section Telecommunications (TEL))
Open AccessArticle
7 Pages, 943 KB Download PDF

Estimating LAI of Rice Using NDVI Derived from MODIS Surface Reflectance

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1047–1053, 2020; DOI: 10.25046/aj0506127
Abstract:

The measurement of Leaf Area Index is of fundamental importance in agriculture and ecological research because it reflects plant growth. This study aims to estimate LAI from, NDVI derived from standard eight days composite MODIS surface reflectance, acquired during the rice growing period. A two-stage model was developed to relate the LAI of rice to…

Read More
(This article belongs to Section Agriculture, Multidisciplinary (AMU))
Open AccessArticle
9 Pages, 1,774 KB Download PDF

Evaluation of the Living Condition in Fishermen Settlement in the Coastal Area of Marisa City, Gorontalo Province

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1033–1041, 2020; DOI: 10.25046/aj0506125
Abstract:

The population living in the residential area in two villages, including Pohuwato village and Pohuwato Timur village, are mostly fishermen, who live under the poverty line, meaning that the people there have low income. The objective of the present study was to explore the living condition in terms of the physical, social, and economic aspects…

Read More
(This article belongs to Section Architectural Engineering (EAH))
Open AccessArticle
7 Pages, 366 KB Download PDF

Mobile Money Wallet Attack Resistance using ID-based Signcryption Cryptosystem with Equality Test

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 988–994, 2020; DOI: 10.25046/aj0506118
Abstract:

This paper is an extension of a research work presented at ICSIoT 2019. An attack continuum against the insider attack in mobile money security in Ghana using a witness based crypto- graphic method proposed by Alornyo et al. resisted the service provider from peddling with users data for economic gains. Our improved scheme achieves a…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
5 Pages, 6,829 KB Download PDF

Hand Gesture Classification using Inaudible Sound with Ensemble Method

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 967–971, 2020; DOI: 10.25046/aj0506115
Abstract:

Recognizing the human behavior and gesture has become important due to the increasing use of wearable devices. This study classifies hand gestures by creating sound in the inaudible frequency range from a smartphone and analyzing the reflected signals. We convert the sound using Short-Time Fourier Transform to magnitude and phase. We trained two types of…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
8 Pages, 641 KB Download PDF

Investigating the Optical Behavior of Single/Multi-Dimensional Photonic Crystal Structures for Photovoltaic Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 951–958, 2020; DOI: 10.25046/aj0506113
Abstract:

The results investigated in this work are toward the optimization of the photonic crystal structures in 1D and 2D scale. One-dimensional distributed Bragg reflectors (DBRs) have demonstrated substantial potential in various optoelectronic applications, due to the observed tunable optical band-gap. Herein, the use of DBRs in light trapping solar cells was simulated and validated, representing…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Optics (OPT))
Open AccessArticle
7 Pages, 1,046 KB Download PDF

Design and Implementation of DFT Technique to Verify LBIST at RTL Level

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 937–943, 2020; DOI: 10.25046/aj0506111
Abstract:

According to IEC 61805 and ISO 26262 standards requirement inclusion of LBIST (Logic Built in Self-Test) became mandatory to achieve safety critical application such as automotive field. In such systems, once device is switched ON LBIST (Logic Built in Self-Test) is activated and testing of digital logic is performed. After safety subsystem says that the…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Electronic Engineering (EEE))
Open AccessArticle
6 Pages, 776 KB Download PDF

Barriers and Supports in Engineering Career Development: An Exploration of First-Year Students

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 920–925, 2020; DOI: 10.25046/aj0506109
Abstract:

Previous research has found that first-years in college is challenging due to changes in academic demands and the adaptation process. In addition to this, research on career development has found that barriers and supports may influence career interest, motivation to continue and student retention. This study explores the influence of specific supports and barriers among…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Behavioral Sciences (BHS))
Open AccessArticle
10 Pages, 2,288 KB Download PDF

Method of Analysis and Classification of Acoustic Emission Signals to Identify Pre-Seismic Anomalies

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 894–903, 2020; DOI: 10.25046/aj0506106
Abstract:

A new method of analysis and classification of rock acoustic emission signals is proposed. It is based on symbol description of signals and involves the following processing. First, signal segments containing pulses are detected. Second, noise of the detected pulses is reduced by the wavelet filtration method. Fourth-order symlets and adaptive threshold scheme based on…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Acoustics (ACO))
Open AccessArticle
8 Pages, 475 KB Download PDF

Updated Analysis of Business Continuity Issues Underlying the Certification of Invoicing Software, Considering a Pandemic Scenario

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 845–852, 2020; DOI: 10.25046/aj0506101
Abstract:

Portuguese organizations that have invoicing software, certified by the Tax and Customs Authority, need to comply with technical requirements that involve business continuity and disaster recovery. The recent tax legislative changes created conditions for the dematerialization of documents, allowing waiving invoice printing, encouraging the adoption of an electronic invoicing and document archiving system. The pandemic…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
13 Pages, 1,145 KB Download PDF

Dependency Head Annotation for Myanmar Dependency Treebank

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 788–800, 2020; DOI: 10.25046/aj050694
Abstract:

Complete manual annotation of dependency treebank needs resources like annotators and annotation tools and takes long time and has high possibility of inconsistent annotations for free word order languages such as Myanmar. This paper describes a dependency head annotation scheme with Universal part-of-speech and Universal Dependencies for Myanmar dependency treebank. Currently 22,810 sentences and 680,218…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
13 Pages, 4,136 KB Download PDF

Surge Protection Device for Ex Application

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 768–780, 2020; DOI: 10.25046/aj050692
Abstract:

A modern process plant is controlled, operated and safeguarded by the sophisticated distributed control system or a programmable logic controller and an emergency shutdown system. This process plant’s operation could be seriously affected by lightning, electrical switching, and power outrage. Lightning propagation can travel kilometers away, which has the risk of disturbing the control system’s…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Automation & Control Systems (ACS))
Open AccessArticle
18 Pages, 1,804 KB Download PDF

Analysis of Long-term Equilibrium Relationship Between KRW, RMB, JPY Exchange Rates and International Financial Market Variables: Comparative Analysis of KRW, RMB, JPY

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 744–761, 2020; DOI: 10.25046/aj050690
Abstract:

This study used 15 VECM analysis models to analyze the relationship among exchange rates of South Korea, China and Japan; and between exchange rates of each country and international financial market variables. The analysis variables are the Won, Yuan, Yen spot exchange rates and international financial market variables. The results of the analysis are as…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Operations Research & Management Science (ORM))
Open AccessArticle
7 Pages, 3,582 KB Download PDF

Ultra Wide Band-based Control of Emulated Autonomous Vehicles for Collision Avoidance in a Four-Way Intersection

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 724–730, 2020; DOI: 10.25046/aj050687
Abstract:

Traditional crossroads use traffic lights, but may cause delays due to its stop and wait process. Moreover, autonomous vehicles are being made, although it is not yet mass-produced. This work presents a design and implementation of an agile system that communicates and coordinates autonomous vehicles entering the intersection by adjusting their speeds and maneuvers to…

Read More
(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
6 Pages, 815 KB Download PDF

Cognitive Cybernetics in the Foresight of Globalitarianism

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 718–723, 2020; DOI: 10.25046/aj050686
Abstract:

This paper presents the results of the research conducted with the help of cognitive cybernetics about the “mass” factor from the theory of totalitarianism. According to the expert system model, “big data” analysis sought to discover knowledge for assessing the future status of digital social connectivity. Originally developed models and methods of cognitive and computer…

Read More
(This article belongs to Section Cybernetics in Computer Science (CCY))
1 24 25 26 27 28 47

Journal Menu

Journal Browser


Special Issues

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