Results (197)

Search Parameters:

Keyword: SEM
Order results
Results per page
Open AccessArticle
9 Pages, 700 KB Download PDF

Some Results on Fixed Points Related to \( \phi-\psi \) Functions in JS – Generalized Metric Spaces

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 112–120, 2021; DOI: 10.25046/aj060112
Abstract:

In this paper are shown some new results on fixed point related to a φ – ψ contractive map in JS – generalized metric spaces X. It proves that there exists a unique fixed point for a nonlinear map f:X→X, using two altering distance functions. Furthermore, it gives some results which related to a couple…

Read More
(This article belongs to Section Mathematics (MAT))
Open AccessArticle
9 Pages, 1,449 KB Download PDF

Current Control of Battery-Supercapacitors System for Electric Vehicles based on Rule-Base Linear Quadratic Regulator

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 57–65, 2021; DOI: 10.25046/aj060107
Abstract:

This research aims to investigate the energy and power management of a battery-supercapacitors Hybrid Energy Storage System (HESS) for Electric vehicles (EVs). A bidirectional DC-DC converter, a battery and a set of supercapacitors were employed to construct the parallel semi-active architecture of HESS. Two strategies of Rule-Base Linear Quadratic Regulators (R-B LQRs) were proposed to…

Read More
(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 635 KB Download PDF

A Machine Vision Approach for Underwater Remote Operated Vehicle to Detect Drowning Humans

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1734–1740, 2020; DOI: 10.25046/aj0506207
Abstract:

Today, Drowning is the 3rd major cause for unintentional injury death accounting for 7% of deaths of all injury deaths. Drowning is a state of suffocation when water or other fluids accumulate the lungs, resulting in respiratory impairment, ultimately leading to death. The predominant problem during rescue operations of such accidental drowning is to locate…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Ocean Engineering (EOC))
Open AccessArticle
6 Pages, 595 KB Download PDF

Analysis of Learning Difficulties in Object Oriented Programming in Systems Engineering Students at UNTELS

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1704–1709, 2020; DOI: 10.25046/aj0506203
Abstract:

The learning difficulties of Object-Oriented Programming can be one of the causes of failure in college students, which can even lead to student dropout. This article has the purpose of analyzing the main learning difficulties of object-oriented programming using the Java programming language in Systems Engineering students of the Universidad Nacional Tecnológica de Lima Sur…

Read More
(This article belongs to Section Behavioral Sciences (BHS))
Open AccessArticle
6 Pages, 1,433 KB Download PDF

Education Value Chain Model for Examination, Grading, and Evaluation Process in Higher Education based on Blockchain Technology

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1698–1703, 2020; DOI: 10.25046/aj0506202
Abstract:

Blockchain is a solution to improve data integrity and minimize data manipulation. Blockchain technology can be used in student examination management in universities. The process of managing student examination produces some information that can be stored in a blockchain database such as information about the lecturer as the exam creator, exam proctor, student attendance, student…

Read More
(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 985 KB Download PDF

Analysis of Physical and Mechanical Properties of Galvanic-Plasma Wear-Resistant Coatings

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1387–1393, 2020; DOI: 10.25046/aj0506167
Abstract:

This article shows the possibility of creating high wear-resistant and corrosion-resistant coating by plasma electrolytic oxidation (PEO) on the AlSi12Cu aluminum alloy. The combination of influencing parameters during processing allows to influencing of the set of quality indicators of coating, such as the thickness of the coating layer, microhardness, porosity, phase and elemental composition. The…

Read More
(This article belongs to Section Coatings & Films in Materials Science (MCF))
Open AccessArticle
6 Pages, 1,505 KB Download PDF

Computer Vision for Industrial Robot in Planar Bin Picking Application

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 1244–1249, 2020; DOI: 10.25046/aj0506148
Abstract:

This research presents an effectively autonomous method that can save time and increases productivity for an assembly line in industry by using a 6DOF manipulator and computer vision. The objects are flat, aluminum type and randomly stacked in a box. Firstly, 2D color image processing is performed to label the object, then using 3D pose…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Robotics (ROB))
Open AccessArticle
8 Pages, 753 KB Download PDF

Standalone Operation of Modified Seven-Level Packed U-Cell Inverter for Solar Photovoltaic System

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 959–966, 2020; DOI: 10.25046/aj0506114
Abstract:

In this paper, a modified configuration of Single-Phase Seven-Level Packed U-Cell (PUC) Multilevel Inverter for solar photovoltaic system is presented & investigated for standalone operation. The Seven-Level MPUC Inverter comprises of six semiconductor switches & two DC links which generates seven voltage levels at the inverter output. The maximum amplitude of inverter output voltage is…

Read More
(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electrical Engineering (ELE))
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, 1,105 KB Download PDF

A Model-Driven Approach for Reconfigurable Systems Development

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 801–810, 2020; DOI: 10.25046/aj050695
Abstract:

Reconfigurable systems are considered as promising technology that enables the design of more flexible and dynamic applications. However, actually existent design flows are either low-level (so complex) or they lack support for automatic synthesis. In this paper, we present an ontology-based modeling approach for reconfigurable systems. Our approach is based on model-driven engineering process and…

Read More
(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 592 KB Download PDF

Ontology-based Data Management Tool for Studying Radon Concentration

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 577–583, 2020; DOI: 10.25046/aj050670
Abstract:

Interpreting data for solving information needs demands an understanding of the semantics of row data. In this paper, an ontology-driven management of data of the presence of radon gas in soil is presented. The main contribution of this research relies on the formal definition of the semantic of the presence of radon in the dimensions…

Read More
(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
6 Pages, 1,908 KB Download PDF

Experimental Study on Mechanical Behavior of Polypropylene-based Blends with Talc Fillers

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 571–576, 2020; DOI: 10.25046/aj050669
Abstract:

In this report, polymeric composites made from Polypropylene (PP) and talc powder were studied. The talc powder with different portions of 10%, 20%, 30% by weight was used to create samples. The samples were examined by the tensile test and the flexural test according to ASTM D638 and ASTM D790. The surface morphology of the…

Read More
(This article belongs to Section Polymer Science (PLS))
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…

Read More
(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
8 Pages, 1,842 KB Download PDF

Extending the Classifier Algorithms in Machine Learning to Improve the Performance in Spoken Language Understanding Systems Under Deficient Training Data

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 464–471, 2020; DOI: 10.25046/aj050655
Abstract:

One of the open domain challenges for Spoken Dialogue System (SDS) is to maintain a natural conversation for rarely visited domain i.e. domain with fewer data. Spoken Language Understanding (SLU) is a component of SDS that converts user utterance into a semantic form that a computer can understand. If we scale SDS open domain challenge…

Read More
(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, 2,069 KB Download PDF

The Probe Mark Discoloration on Bond Pad and Wafer Storage

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 416–422, 2020; DOI: 10.25046/aj050650
Abstract:

In this report, a probe mark discoloration with donut/circle shape was found. The corrosion formed on Aluminum bond pads. The SEM/EDS, TEM/EELS & AES surface techniques were used to identify this corrosion product. All these material analysis results pointed out the role of fluorine to this discoloration. The HAST testing, all the chip samples obtained…

Read More
(This article belongs to the iraset-20 (Special Issue on Innovative Research in Applied Science, Engineering and Technology 2020) & Section Characterization & Testing in Materials Science (MCT))
Open AccessArticle
8 Pages, 769 KB Download PDF

Emotion Recognition on FER-2013 Face Images Using Fine-Tuned VGG-16

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 315–322, 2020; DOI: 10.25046/aj050638
Abstract:

Facial emotion recognition is one among many popular and challenging tasks in the field of computer vision. Numerous researches have been conducted on this task and each proposed either standalone- or ensemble-based processing technique. While many researches strive for better accuracy, this research also attempts to increase the processing efficiency of computer correctly classifying human…

Read More
(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
6 Pages, 1,477 KB Download PDF

A Novel Approach to Augment the Opto-Electronic Properties of Stannic Oxide (SnO2) Thin Films by Vanadium Doping

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 169–174, 2020; DOI: 10.25046/aj050620
Abstract:

The Tin Oxide: Vanadium (SnO2: V) thin films have been deposited on glass substrates with various Vanadium concentration at a substrate temperature;500oC using microprocessor-controlled spray pyrolysis technique. The structural, compositional, morphological and optical analyses of the samples are characterized by XRD, EDAX, SEM and UV-Visible spectroscopy. The XRD analysis shows tetragonal rutile structure formation in…

Read More
(This article belongs to Section Coatings & Films in Materials Science (MCF))
Open AccessArticle
8 Pages, 270 KB Download PDF

Qualitative Properties of a Cell Proliferating Model with Multi-phase Transition and Age Structure

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 01–08, 2020; DOI: 10.25046/aj050601
Abstract:

In this paper we study a cell division cycle modeled by a system of partial differential equations with an age structure. This model translates the many regulatory mechanisms within the cell cycle where it introduces the notion of phases. The individual cell can be either in I phases where the transition between theses phases are…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Biochemistry & Molecular Biology (BMB))
Open AccessArticle
9 Pages, 5,064 KB Download PDF

Laser Deprocessing Technique and its Application to Physical Failure Analysis

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 1273–1281, 2020; DOI: 10.25046/aj0505153
Abstract:

This paper is an extension of work originally presented in IPFA 2019. In the original work, a new memory bit-counting method in physical failure analysis (PFA) using laser deprocessing technique (LDT) is introduced. In the present paper, LDT will be further exploited and the methodology applied to PFA will be fully discussed. Compared to 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
8 Pages, 1,242 KB Download PDF

Interactive Virtual Rehabilitation for Aphasic Arabic-Speaking Patients

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 1225–1232, 2020; DOI: 10.25046/aj0505148
Abstract:

Objective: Individuals with aphasia often experience significant problems in their daily lives and social participation. Technologies that address speech and language disorders deficit in merging between therapist’s major role and reinforcing the training between sessions at home. It also lacks the Arabic language attention; however, current systems are typically expensive and lack amusement. Moreover, cumulative…

Read More
(This article belongs to Section Biomedical Engineering (EBI))
Open AccessArticle
5 Pages, 775 KB Download PDF

Development of the Surface Roughness Model in the Grinding Processes

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 1184–1188, 2020; DOI: 10.25046/aj0505143
Abstract:

This paper presents a research about the modelling of surface roughness in the grinding process. Based on the analyzed results about the surface roughness models from the previous studies, this study was performed to develop a surface roughness model in the grinding process. The surface roughness model is proposed with two hypotheses about the shape…

Read More
(This article belongs to Section Mechanical Engineering (EMH))
Open AccessArticle
10 Pages, 1,543 KB Download PDF

Design and Implementation of Quad-Site Testing on FPGA Platform

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 789–798, 2020; DOI: 10.25046/aj050596
Abstract:

As manufacturing efficiency has become a main focus of today’s business, it is very critical to surge the throughput by developing different test strategies. With throughput, testing cost also has been recognized as the major challenge in the future of leading semiconductors. Reducing test time is a significant effort to maximize throughput as the complexity…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Electronic Engineering (EEE))
Open AccessArticle
5 Pages, 788 KB Download PDF

Brain Tumor Classification Using Deep Neural Network

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 765–769, 2020; DOI: 10.25046/aj050593
Abstract:

Brain tumors are a type of tumor with a high mortality rate. Since multifocal-looking tumors in the brain can resemble multicentric gliomas or gliomatosis, accurate detection of the tumor is required during the treatment process. The similarity of neurological and radiological findings also complicates the classification of these tumors. Fast and accurate classification is important…

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, 1,435 KB Download PDF

Transient Response & Electromagnetic Behaviour of Flexible Bow-Tie Shaped Chip-less RFID Tag for General IoT Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 757–764, 2020; DOI: 10.25046/aj050592
Abstract:

This paper is an extension of Novel Flexible Chip-less Bow-Tie RFID tag in which we presented the design, testing and fabrication of the tag and compared the results with Octagonal Chipless RFID tag. The chipless RFID tag was designed by using simulation software CST microwave studio and fabricated by using laser etching technique on a…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Electronic Engineering (EEE))
Open AccessReview
9 Pages, 996 KB Download PDF

Review of Pedagogical Principles of Cyber Security Exercises

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 592–600, 2020; DOI: 10.25046/aj050572
Abstract:

Modern digitalized cyber domains are extremely complex ensemble. Cyber attacks or incidents against system may affect capricious effects for another system or even for physical devices. For understanding and training to encounter those effects requires an effective and complex simulation capability. Cyber Security Exercises are an effective expedient for training and learning measures and operations…

Read More
(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Interdisciplinary Applications of Computer Science (CSI))

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