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Open AccessArticle
9 Pages, 2,001 KB Download PDF

Transformation of Solar Energy to Electricity with Photovoltaic Systems, Reduction of Electrical Consumption and Installation of LED Lamps in the ITSAO

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 234–242, 2019; DOI: 10.25046/aj040529
Abstract:

In this work of technological development and research is presented the work done in the ITSAO to contribute to the use of clean energy such as photovoltaics and the implementation of activities to reduce electricity consumption by the technological community, the monitoring of electricity consumption is made on a monthly basis and an annual report…

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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
7 Pages, 519 KB Download PDF

Melanoma detection using color and texture features in computer vision systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 16–22, 2019; DOI: 10.25046/aj040502
Abstract:

All forms of skin cancer are becoming widespread. These forms of cancer, and melanoma in particular, are insidious and aggressive and if not treated promptly can be lethal to humans. Effective treatment of skin lesions depends strongly on the timeliness of the diagnosis: for this reason, artificial vision systems are required to play a crucial…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Bioinformatics (BIF))
Open AccessArticle
9 Pages, 866 KB Download PDF

A Fuzzy-Based Approach and Adaptive Genetic Algorithm in Multi-Criteria Recommender Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 449–457, 2019; DOI: 10.25046/aj040454
Abstract:

Recommender Systems (RSs) are termed as web-based applications that make use of filtering methods and several machine learning algorithms to suggest relevant user objects. It can be said that some techniques are usually adopted or trained to develop these systems that generate lists of suitable recommendations. Conventionally, RS uses a single rating approach to preference…

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(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, 1,361 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…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Electronic Engineering (EEE))
Open AccessArticle
7 Pages, 978 KB Download PDF

DSTATCOM-Fuel Cell System on Radial Low-voltage Distribution Network for Mitigating Voltage Rise Caused by High Penetration of Photovoltaic Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 285–291, 2019; DOI: 10.25046/aj040436
Abstract:

The Malaysian government has recently announced to increase the share of renewable energy generation from 2% to 20% of the total electricity consumption by year 2030. However, integrating a significant level of renewable energy sources on the distribution network without proper coordination will cause adverse effects that leads to unnecessary operation costs to the stakeholders.…

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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, 1,450 KB Download PDF

Localization of Emerging Leakages in Water Distribution Systems: A Complex Networks Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 276–284, 2019; DOI: 10.25046/aj040435
Abstract:

Water distribution networks are infrastructural systems designed for providing potable water to consumers. In these last decades, the importance of assessing and identifying emerging leakages has become a primary issue, because of the high level of water loss characterizing such systems worldwide. In this paper, a new approach aimed at the prompt localization of leakages…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Water Resources (WRS))
Open AccessArticle
6 Pages, 646 KB Download PDF

Optimal Discrete-time Sliding Mode Control for Nonlinear Systems Subject to Input Constraints

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 141–146, 2019; DOI: 10.25046/aj040417
Abstract:

In this paper, an optimal discrete-time sliding mode control is proposed for single-input single-output nonlinear systems with input constraints. The sliding surface is designed on the basis of particle swarm optimization algorithm in order to optimize the system response characteristics while ensuring the follow-up of reference model in presence of constraints. Moreover, the controller is…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Automation & Control Systems (ACS))
Open AccessArticle
21 Pages, 2,883 KB Download PDF

Intelligent Foundations for Knowledge Based Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 73–93, 2019; DOI: 10.25046/aj040410
Abstract:

Knowledge Based Systems play a very important role, within Healthcare, with a primary goal of supporting a high quality service at an optimal cost. A widely accepted knowledge acquisition technique is through the use of Business Rules in a natural language like format. As clinical terminology is centric to HealthCare, a large percentage of these…

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(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
8 Pages, 1,396 KB Download PDF

Linearity Improvement of VCSELs based Radio over Fiber Systems utilizing Digital Predistortion

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 156–163, 2019; DOI: 10.25046/aj040321
Abstract:

The article proposes a Digital Predistortion (DPD) methodology that substantially meliorates the linearity of limited range Mobile Front Haul links for the extant Long-Term Evolution (LTE) and future (5G) networks. Specifically, the DPD is employed to Radio over Fiber links that contrive of Vertical Cavity Surface Emitting Lasers (VCSELs) working at 850 nm. Both, Memory…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Optics (OPT))
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
11 Pages, 812 KB Download PDF

An Approach to Vulnerabilities, Threats and Risk in Voting Systems for Popular Elections in Latin America

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 106–116, 2019; DOI: 10.25046/aj040315
Abstract:

The problems in information security regarding vulnerabilities, threats and risks in voting systems for popular election in Latin America and the world persist; because in most of the countries of the world there is no maturity in democracy and defined policies; the problems of confidentiality, integrity and authenticity in the electoral processes can be evidenced.…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
13 Pages, 1,786 KB Download PDF

Development of Smart Technology for Complex Objects Prediction and Control on the Basis of a Distributed Control System and an Artificial Immune Systems Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 75–87, 2019; DOI: 10.25046/aj040312
Abstract:

This paper is an extension of work originally presented in 2018 Global Smart Industry Conference (GloSIC). Researches are devoted to the development of Smart technology for complex objects control and prediction on the basis of a distributed Honeywell DCS control system of the TengizChevroil enterprise using the example of a technological process of medium pressure…

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(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
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
6 Pages, 858 KB Download PDF

Technical and Economic Merits Resulting from Power Systems Interconnection

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 34–39, 2019; DOI: 10.25046/aj040205
Abstract:

In this paper, the impact of interconnection among isolated and dispersed electric power systems have been Investigated and analyzed. Therefore, the methodology proposed in this work is implemented in three real electric power systems in the western part of Saudi Arabia (designated as I, II and III). The outcome of this study revealed positive benefits…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
17 Pages, 4,140 KB Download PDF

Critical Embedded Systems Development Using Formal Methods and Statistical Reliability Metrics

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 231–247, 2019; DOI: 10.25046/aj040123
Abstract:

Trusted systems are becoming more integrated into everyday life. Security and reliability are at the forefront of trusted system design and are often directed at hardware-only solutions, especially for safety critical systems. This is because hardware has a well-established process for achieving strong, precise, and reliable systems. These attributes have been achieved in the area…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
5 Pages, 745 KB Download PDF

Impacts of Synchronous Generator Capability Curve on Systems Locational Marginal Price through a Convex Optimal Power Flow

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 131–135, 2018; DOI: 10.25046/aj030615
Abstract:

This paper deals about an application of optimal power flows (OPF) constrained with synchronous generator capability curve for power market analysis (SGCC). OPF main features gather in its mathematical formulation non-convexity, non-linearity, and it shows to be a hard to solve optimization problem. In some operational scenarios, SGCC can limit power flows bringing the theoretical…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
5 Pages, 748 KB Download PDF

Minimally Invasive, Thermal Energy Based, Cost-Efficient Method to Measure Fluid Flows in Compact Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 454–458, 2018; DOI: 10.25046/aj030552
Abstract:

Flow measurements are important for numerous industries as it directly relates to proper equipment functioning and product quality. This work demonstrates a novel thermal energy based compact flow measuring sensor. The sensor injects thermal energy into the core which is then extracted by the moving flow through the center of the core. Temperature changes produced…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Thermodynamics (THD))
Open AccessArticle
15 Pages, 2,334 KB Download PDF

Complexity Drivers in Digitalized Work Systems: Implications for Cooperative Forms of Work

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 171–185, 2018; DOI: 10.25046/aj030522
Abstract:

Digitalization changes the way people work to a considerable extent. It alters business models and process organizations of whole industries. The ensuing market dynamics and faster innovation cycles cause an increase in complexity. In this article, the interconnection of digitalization and complexity in work systems is analyzed. For this purpose, a framework for comparing relevant…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Industrial Engineering (EID))
Open AccessArticle
9 Pages, 356 KB Download PDF

Evolving AL-FEC Application on 5G NGMN-Edge Computing Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 152–160, 2018; DOI: 10.25046/aj030519
Abstract:

Fifth generation of mobile networks (5G) comes to cope with the context of the new mobile telecommunications era. Edge computing is a new collaborative technology under standardization utilizing end-user devices or near-end-user edge devices to operate processing, communication, or control operations. The achievement of efficient error control is a very critical aspect in the successful…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Telecommunications (TEL))
Open AccessArticle
12 Pages, 2,468 KB Download PDF

SDN-based Network Control Method for Distributed Storage Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 140–151, 2018; DOI: 10.25046/aj030518
Abstract:

With the increasing need for effective storage management due to ever-growing content-generation over the Internet, Distributed Storage Systems (DSS) has arisen as a valuable tool. Although DSS has considerably improved in the past years, it still leverages legacy techniques in its networking. To cope with the demanding requirements, Software Defined Networking (SDN) has revolutionized the…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 348 KB Download PDF

Parametric Co-variance Assignment for a Class of Multivariable Stochastic Uncertain Systems: Output Feedback Stabilization Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 45–51, 2018; DOI: 10.25046/aj030507
Abstract:

This paper presents a novel parametric co-variance assignment strategy for multi-variable stochastic uncertain systems. Based upon the explicit parametric design and reduced-order closed-form co-variance model, the variances and co-variances of the system outputs can be assigned artificially using output feedback while the effect of the system uncertainties can be minimized by optimizing the free parameters.…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Automation & Control Systems (ACS))
Open AccessArticle
5 Pages, 796 KB Download PDF

Automating Hostel Telephone Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 3, Page # 147–151, 2018; DOI: 10.25046/aj030320
Abstract:

Residential schools can be a great place for students to learn and develop a different set of skills if the right environment is given to the child. Constant communication with parents can help the child to stay motivated and feel comfortable away from home, hence schools tend to provide various solutions to allow the student…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Telecommunications (TEL))
Open AccessArticle
12 Pages, 1,665 KB Download PDF

Towards Process Standardization for Requirements Analysis of Agent-Based Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 3, Page # 80–91, 2018; DOI: 10.25046/aj030311
Abstract:

The development of agent-based systems is negatively impacted by the lack of process standardization across the major development phases, such as the requirements analysis phase. This issue creates a key barrier for agent technology stockholders regarding comprehending and analyzing complexity associated with these systems specifications. Instead, such fundamental low-level infrastructure is loosely attended to in…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Software Engineering in Computer Science (CSE))
Open AccessArticle
13 Pages, 827 KB Download PDF

Revealing Strengths, Weaknesses and Prospects of Intelligent Collaborative e-Learning Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 3, Page # 67–79, 2018; DOI: 10.25046/aj030310
Abstract:

The rapid evolution of Collaborative e-Learning Systems migrates to the use of new technologies such the artificial intelligence (AI). In this context, the role of AI in increasing the quality of learning and making it more productive, persistent and efficient. In addition, it can accomplish repetitive and complex tasks in record time and unmatched accuracy.…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
5 Pages, 729 KB Download PDF

Using Input Impedance to Calculate the Efficiency Numerically of Series-Parallel Magnetic Resonant Wireless Power Transfer Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 3, Page # 38–42, 2018; DOI: 10.25046/aj030305
Abstract:

Analysis of magnetic resonant wireless power transfer systems aims to achieve maximum efficiency of the power transfer. From the analysis we wish to derive the maximum power and the frequency at which this occurs. This paper presents a method to estimate these two required values and to achieve this requires the solution of the input…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Electrical Engineering (ELE))

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