Search Results

Results (689)

Search Parameters:

Keyword: LED
Order results
Results per page
Open AccessArticle
15 Pages, 714 KB Download PDF

Logic Error Detection System based on Structure Pattern and Error Degree

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 01–15, 2019; DOI: 10.25046/aj040501
Abstract:

The importance of programming skills has increased with advances in information and communication technology (ICT). However, the difficulty of learning programming is a major problem for novices. Therefore, we propose a logic error detection algorithm based on structure patterns, which are an index of similarity based on abstract syntax trees, and error degree, which is…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
11 Pages, 1,218 KB Download PDF

Multiple-Optimization based-design of RF Integrated Inductors

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 574–584, 2019; DOI: 10.25046/aj040468
Abstract:

In this paper, a multiple-objective Metaheuristics study is discussed. Initially, three mono-objective metaheuristics will be explored in order to design and optimize Radio-Frequency integrated inductors. These metaheuristics are: An evolutionary algorithm called The Differential Evolution (DE), An algorithm supported on Newton’s laws of gravity and motion called the Gravitational Search Algorithm (GSA) and, finally, A…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
10 Pages, 1,060 KB Download PDF

Preparation of Lead, Lead Alloy(S) And Other Salts from Exhausted Rechargeable Lead Batteries

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 529–538, 2019; DOI: 10.25046/aj040464
Abstract:

Metals of lead and some lead alloys, lead oxide, nickel and cobalt were recovered from exhausted battery by combined hydrometallurgy and pyro metallurgical method. The spent batteries were dismantled and leached in hot 2M and 5M nitric acid. The unleached fraction was heated with sodium carbonate to produce lead oxide. Salts in the leached solution…

Read More
(This article belongs to Section Applied Chemistry (CAP))
Open AccessArticle
7 Pages, 1,316 KB Download PDF

The Fusing Framework Between Lifting Carrier and Tractor-Trailer for Modern Transportation

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 522–528, 2019; DOI: 10.25046/aj040463
Abstract:

The integrating model becomes one of key trends in engineering design. The more the product has functional specifications, the more the industrial consumer apply in many fields. In this paper, a fusion design of architecture platform for autonomous system is demonstrated. It is greater due to combining the specifications of various types in commercial market…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Automation & Control Systems (ACS))
Open AccessArticle
5 Pages, 1,371 KB Download PDF

Mechanical Behaviors of Kaolin Powder Filler Polypropylene/Low Density Polyethylene Blends

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 517–521, 2019; DOI: 10.25046/aj040462
Abstract:

In this work, kaolin powder was filled in PP/LDPE blend as the filler with the amount from 0 to 14 wt%. The ratio of PP/LDPE was fixed as 50/50 in all the experiments. The tensile strength, impact strength, and hardness were investigated in according with ASTM. The results showed that the tensile strength of PP/LDPE…

Read More
(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Polymer Science (PLS))
Open AccessArticle
6 Pages, 726 KB Download PDF

An Investigative Study on Technology Impact on the Quality of Working Life in a University Healthcare and Pharmacy

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 503–508, 2019; DOI: 10.25046/aj040460
Abstract:

The purpose of this study was to investigate the impact of the implementation of the Online Appointment Scheduling system and Pharm Partner system technologies on the quality of working life for users in a small healthcare environment at the University of Technology, Jamaica. Both qualitative and quantitative methods were employed. Two data collection instruments were:…

Read More
(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
9 Pages, 1,647 KB Download PDF

Optimized Design of PM Halbach Array Linear Generator for Sea Wave Energy Converters Operate at Maximum Power Transfer

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 440–448, 2019; DOI: 10.25046/aj040453
Abstract:

This paper proposes Halbach array PM linear generators for direct conversion of ocean or sea wave energy. This generator is proposed to be directly coupled to a reciprocating wave energy system which may be a valued alternative for pneumatic and hydraulic systems. In this research, air-cored permanent magnet PM linear generator has been optimally designed…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Ocean Engineering (EOC))
Open AccessArticle
10 Pages, 1,361 KB Download PDF

A Balanced RF Power Amplifier using the Improvement 3-dB Quadrature Hybrid Couplers for Mitigation of the Reverse Intermodulation in FM Broadcasting Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 421–430, 2019; DOI: 10.25046/aj040451
Abstract:

FM broadcast stations generate reverse intermodulation signals that cause communication problems between ATC controllers and pilots in the Air Traffic Control systems (ATC) in Thailand. In this paper proposes a balanced RF power amplifier using the improvement 3-dB quadrature hybrid couplers to reduce the reverse intermodulation of FM broadcasting systems. The mathematics analysis of the…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electronic Engineering (EEE))
Open AccessArticle
10 Pages, 1,328 KB Download PDF

Supporting Better Physical Activity in a Smart City: a Framework for Suggesting and Supervising Walking Paths

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 404–413, 2019; DOI: 10.25046/aj040449
Abstract:

The increase of elderly population creates the need to promote healthy aging, with autonomy and independence, for preserving the functional capacity and quality of life as much as possible. To achieve this goal the recommendations include walking a certain amount of steps daily, given that the exact amount of steps changes with age, lesions, and…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Bioinformatics (BIF))
Open AccessArticle
14 Pages, 2,562 KB Download PDF

Evaluation of the Effects of Bidding Strategy with Customized Pricing on the Individual Prosumer in a Local Energy Market

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 366–379, 2019; DOI: 10.25046/aj040445
Abstract:

Peer-to-peer (P2P) energy trading is a mechanism that allows people to share locally the energy they have generated from distributed renewable resources (DER), to generate profit form the unused resources and to reduce the cost for electricity for the household and in the community itself. This calls for the design of new energy markets, accompanied…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 4,180 KB Download PDF

Hidden Surface Removal for Interaction between Hand and Virtual Objects in Augmented Reality

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 359–365, 2019; DOI: 10.25046/aj040444
Abstract:

Recently, augmented reality (AR) technology has been applied to the inter- action technology between human and virtual objects. In AR interaction technology, it is necessary for users to be able to manipulate virtual objects intuitively. Thus, we focus on manipulating virtual objects directly with the user’s bare hands in this study. On the other hand,…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
5 Pages, 695 KB Download PDF

Long-term Traffic Flow Forecasting Based on an Artificial Neural Network

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 323–327, 2019; DOI: 10.25046/aj040441
Abstract:

There is no doubt that a good knowledge of traffic demand has a direct impact on improving traffic management. Road traffic is strongly correlated with many factors such as day of week, time of day, season and holidays which make it suitable for prediction. In this paper, we develop a neural network model for hourly…

Read More
(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 715 KB Download PDF

The Role of Information Technology Human Capability in the Implementation of Information Technology Governance (ITG): A Systematic Literature Review on Malaysian Organizations

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 314–322, 2019; DOI: 10.25046/aj040440
Abstract:

This study reviewed articles on information technology governance (ITG) in the Malaysian context and categorized the issues found in ITG implementation according to organizational-related and human-related issues. It further analysed the impact and role of information technology (IT) human capability in ITG implementation in developing countries like Malaysia, which is still in the infancy stage…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Engineering Management (EMM))
Open AccessArticle
6 Pages, 951 KB Download PDF

Enhancing Bodily Movements of the Visually Impaired Children by Airflow

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 308–313, 2019; DOI: 10.25046/aj040439
Abstract:

This study involved three departments of teachers and students. The concept of the flow-motivated exercise implemented with a set of flow nozzles. A computer-controlled airflow with specific music introduced, and the motion responses from the participants were analyzed during the initial test and field study. During the initial examination, we adjusted the magnitude and distance…

Read More
(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
9 Pages, 737 KB Download PDF

Event Monitoring using Distributed Pattern Recognition Approach on Integrated IoT-Blockchain Network

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 256–264, 2019; DOI: 10.25046/aj040432
Abstract:

With the advancement in the field of Internet-of-Things (IoT), event monitoring applications have rapidly evolved from a simple event data acquisition towards predictive event analytics involving multi-sensory data aggregation in a distributed environment. Existing event monitoring schemes are mainly relying on ine_cient centralized processing mechanism, which may lead to the common single-point of failure for…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 883 KB Download PDF

Automatic Service Orchestration for e-Health Application

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 244–250, 2019; DOI: 10.25046/aj040430
Abstract:

This paper describes an architectural approach to the development of dynamic service-oriented systems for e-Health using the service orchestration mechanism and semantic technologies. The main idea is the dynamic synthesis of the complex functionality required by user or by software agent. This idea should help to build and easily extend the applied loose-coupled systems without…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
9 Pages, 1,813 KB Download PDF

Optical Braille Recognition Software Prototype for the Sinhala Language

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 221–229, 2019; DOI: 10.25046/aj040427
Abstract:

Braille system is purposely made for visually impaired people, to support their literal communication in order to share their knowledge. Louis Braille introduced the braille system consists of series dots which are embossed to read by touching. Early days Braille papers are made manually, but at current days braille documents are made using machines. Due…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
9 Pages, 1,039 KB Download PDF

Dysphoria Detection using EEG Signals

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 197–205, 2019; DOI: 10.25046/aj040424
Abstract:

Dysphoria is a state faced when one experienced disappointment. If it is not handled properly, dysphoria may trigger acute stress, anxiety and depression. Typically, the individual who experienced dysphoria are in-denial because dysphoria is always being associated with negative connotations such as incompetency to handle pressure, weak personality and lack of will power. To date,…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Psychiatry (PSY))
Open AccessArticle
9 Pages, 319 KB Download PDF

Well Balanced Multi-value Sequence and its Properties Over Odd Characteristic Field

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 188–196, 2019; DOI: 10.25046/aj040423
Abstract:

The authors propose a well balanced multi-value sequence (including a binary sequence). All the sequence coe_cients (except the zero) appear almost the same in number, thus, the proposed sequence is so called the well balanced sequence. This paper experimentally describes some prominent features regarding a sequence, for instance, its period, autocorrelation, and cross-correlation. The value…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
14 Pages, 1,962 KB Download PDF

Model-Driven Engineering Infrastructure and Tool Support for Petrochemical Industry Automation

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 174–187, 2019; DOI: 10.25046/aj040422
Abstract:

The definition of equipment and components of physical plants is a necessary step towards the development of simulation, control, and supervisory applications for the petrochemical industry. Often it happens that the same plant/equipment is (re)modeled on each application, causing a waste-oftime on repetitive (re)design, besides introducing potential inconsistencies between the models. Moreover, even though each…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
9 Pages, 958 KB Download PDF

Permutation Methods for Chow Test Analysis an Alternative for Detecting Structural Break in Linear Models

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 12–20, 2019; DOI: 10.25046/aj040402
Abstract:

This study examined the performance of two proposed permutation methods for Chow test analysis and the Milek permutation method for testing structural break in linear models. The proposed permutation methods are: (1) permute object of dependent variable and (2) permute object of the predicted dependent variable. Simulation from gamma distribution and standard normal distribution were…

Read More
(This article belongs to Section Statistics & Probability (STP))
Open AccessArticle
8 Pages, 1,531 KB Download PDF

Multi-Band Hand of God Antenna with Functionality Variation with Use of Slots and Feed Position

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 227–234, 2019; DOI: 10.25046/aj040330
Abstract:

This article investigates different versions of a new multi-band micro-strip antenna design. NASA inspired the antenna design from “Hand of God” galaxy discovery. A multi-band operation between 0.15 and 8 [GHz] is obtained and captures up to 10 frequency bands. The antenna has a small area of 4 x 5 cm2 and is printed on…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Telecommunications (TEL))
Open AccessArticle
6 Pages, 856 KB Download PDF

Modeling of Grid-Connected Photovoltaic System Installation in Moroccan Ibn Tofail University

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 150–155, 2019; DOI: 10.25046/aj040320
Abstract:

The main importance of solar photovoltaic energies research is to meet the many environmental demands of the energy challenge, to maximize power and to reduce the costs of photovoltaic (PV) systems to reply the energy needs of population. In the present research work, the first objective is to study the performance and the output energy…

Read More
(This article belongs to the isaect-18 (Special Issue on Advanced Electrical and Communication Technologies 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…

Read More
(This article belongs to Section Theory & Methods in Computer Science (CTM))
Open AccessArticle
12 Pages, 863 KB Download PDF

Analysis of Fuzzy Data for the Selection of Ingredients of the Polymer Composition by Technical Functions in Quality Management

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 88–99, 2019; DOI: 10.25046/aj040313
Abstract:

The task of fuzzy mathematical modeling of the composition of a polymer composition is singled out and formulated, as one of the types of chemical-technological systems for creating the theoretical foundations for managing the physicochemical properties of the material produced from this composition. Fuzzy data on the technical functions and concentration of individual ingredients that…

Read More
(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Polymer Science (PLS))
1 18 19 20 21 22 28

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