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Open AccessArticle
7 Pages, 1,238 KB Download PDF

Improving the Performance of Hadoop Framework Using Optimization Process in the Information Management

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 327–333, 2019; DOI: 10.25046/aj040542
Abstract:

Hadoop has certain issues that could be taken care to execute the job efficiently. These limitations are due to the locality of the data in the cluster, allocation of the jobs, scheduling of the tasks and resource allocations in Hadoop. Execution in the mapreduce remains a challenge in terms of efficiency. So, an improved Hadoop…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
5 Pages, 901 KB Download PDF

Performances of Thermoelectric Cooling System for Cooling Flowing Water in a Water Block

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 268–272, 2019; DOI: 10.25046/aj040533
Abstract:

This study investigated thermoelectric cooling system performances to cool the water flowing inside a water block. The experiments employed two identical thermoelectrics model TEC2-25408 with an overall dimension of 40 mm x 40 mm x 6.4 mm. The cold side of the thermoelectric was affixed to the top surface of the water block, while the…

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(This article belongs to Section Mechanics (MEC))
Open AccessArticle
7 Pages, 851 KB Download PDF

The Impact of Using Upgraded Biogas on Generator Performance

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 186–192, 2019; DOI: 10.25046/aj040524
Abstract:

This research focussed on assessing the impact of using upgraded biogas from chicken waste on the performance of a gasoline generator. In the study, the characteristics of raw biogas were determined and a biogas upgrading device was developed before assessing the generator performance on upgraded biogas. A Geotech GA 2000 plus gas analyser was used…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
9 Pages, 770 KB Download PDF

The Effect of Fuel Additives on Pyrorated Biodiesel Blends on the Performance of a Diesel Power Generator

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 88–96, 2019; DOI: 10.25046/aj040511
Abstract:

The demand for renewable energy sources such as waste pyrolysis plastic oil (WPPO), ethanol biofuel with high oxygen content is increasing globally. This study used blending of conventional diesel oil, waste plastic pyrolysis oil, ethanol and 2-ethyl hexyl nitrate (EHN) as additive. The purpose was to improve combustion, the ignition quality, and performance and emission…

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(This article belongs to Section Mechanical Engineering (EMH))
Open AccessArticle
7 Pages, 1,214 KB Download PDF

Performance Analysis of Thyristors Switched Capacitors used for Reactive Power Compensation of Induction Motor

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 58–64, 2019; DOI: 10.25046/aj040408
Abstract:

This paper analyzes the process of reactive power compensation using thyristors switched capacitors TSC topology based on multiterminal switch during the starting of induction motor. The paper explains the control principle of this TSC topology which depends on the multiterminal switch. To actively track the required reactive power for the dynamic load and to perfectly…

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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
13 Pages, 1,696 KB Download PDF

Study of Performance of Bio- Inspired Strategies Applied to Pursuit Evasion Game Under Feedback Laws

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 3, Page # 207–219, 2019; DOI: 10.25046/aj040328
Abstract:

Pursuit Evasion Game (PEG) is an abstract model of various significant problems that appear in both civil and military applications. Bio- Inspired strategies are found to be very useful in studying the PEG. While optimal response to the pursuit strategies are available using geometric control theory, it is shown in this paper that application of…

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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
10 Pages, 1,537 KB Download PDF

Performance Investigation of Semiconductor Devices using Commutation-speed based methodology for the application of Boost Power Factor Correction

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 258–267, 2019; DOI: 10.25046/aj040125
Abstract:

In this paper, behavioral approach has been adopted for the calculation of total power losses that has been further used to derive an analytical model for the conduction and switching losses in a boost Power Factor Correction (PFC) stage of an On-board Charger (OBC). Detailed investigation of power losses can help in finding out ways…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 409 KB Download PDF

PAPR and BER Performances of OFDM System with Novel Tone Reservation Technique Over Frequency Non-Selective Fading Channel

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 225–230, 2019; DOI: 10.25046/aj040122
Abstract:

An Orthogonal Frequency Division Multiplexing (OFDM) system with Quadrature Phase Shift Keying (QPSK) mapper is considered. A novel low-complexity Tone Reservation (TR) technique is proposed for reduction of Peak-to-Average Power Ratio (PAPR) of the system. The technique is easy-to-implement and minimizes the search space of phases of reserved tones in the system. The ability of…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Telecommunications (TEL))
Open AccessArticle
6 Pages, 1,051 KB Download PDF

Student Performance Evaluation Using Data Mining Techniques for Engineering Education

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 259–264, 2018; DOI: 10.25046/aj030634
Abstract:

In this research work, we are implementing a student performance evaluation model using Mamdani Fuzzy Inference System (FIS) and Neuro Fuzzy system and comparing the results with classical averaging method for Network Analysis (NA) course studied by third semester Electronics and Communication Engineering students. This work explains the designing of scoring rubrics using Bloom’s levels…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 896 KB Download PDF

Performance Enhancement of MIMO-OFDM Using Redundant Residue Number System

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 1–7, 2018; DOI: 10.25046/aj030401
Abstract:

The data transmitted over wireless communication systems are affected by various elements as noise, interference or distortion, and to be able to combat these factors the paper propose the utilization of Redundant Residue Number System (RR NS) coding as a Forward Error Correction (FEC) technique to enhance the performance of MIMO-OFDM communication system compared to…

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(This article belongs to Section Telecommunications (TEL))
Open AccessArticle
9 Pages, 918 KB Download PDF

A Survey on Parallel Multicore Computing: Performance & Improvement

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 3, Page # 152–160, 2018; DOI: 10.25046/aj030321
Abstract:

Multicore processor combines two or more independent cores onto one integrated circuit. Although it offers a good performance in terms of the execution time, there are still many metrics such as number of cores, power, memory and more that effect on multicore performance and reduce it. This paper gives an overview about the evolution of…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
5 Pages, 642 KB Download PDF

A New Study Performance Control of PMSMs: Validity Abacus Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 3, Page # 142–146, 2018; DOI: 10.25046/aj030319
Abstract:

This paper is an extension of work originally presented in conference name” Study Performance of Speed Tracking Control with Frequency and Amplitude Dependence”. Though many PMSMs (Permanent Magnet Synchronous Motor) control approach have already been published, little endeavors have been invested in the study of speed tacking control with frequency or amplitude dependence. The use…

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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
8 Pages, 930 KB Download PDF

Performance improvement of a wind energy system using fuzzy logic based pitch angle control

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 3, Page # 30–37, 2018; DOI: 10.25046/aj030304
Abstract:

The pitch angle controller maintains the aerodynamic captured power at rated level when the wind speed is above the rated speed. Besides, it can also improve the transient stability occurring in the wind energy system (WES). This paper, therefore, proposes an effective pitch angle control strategy that can deliver the conditioned output power in windy…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Electrical Engineering (ELE))
Open AccessArticle
5 Pages, 703 KB Download PDF

Performance Analysis of NLMS Channel Estimation for AMC-COFDM System

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 2, Page # 190–194, 2018; DOI: 10.25046/aj030222
Abstract:

In this paper we focus on the adaptive modulation and coding (AMC) techniques, makes use of the channel state information (CSI) to improve the spectral efficiency (SE) in wireless communication systems. To achieve higher data rates and lower bit error rate (BER’s) channel coding can be carried out in OFDM, called COFDM. The NLMS channel…

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(This article belongs to Section Telecommunications (TEL))
Open AccessArticle
13 Pages, 8,017 KB Download PDF

Performance of Location and Positioning Systems: a 3D-Ultrasonic System Case

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 2, Page # 106–118, 2018; DOI: 10.25046/aj030213
Abstract:

The necessity of navigation in people and mobile robots (MR) through specific environments (indoors or outdoors) has become more and more relevant nowadays. For indoors, generally speaking, the positioning systems can be divided into 2D (two dimensions) or 3D (three dimensions) approaches, where Ultrasonic Local Positioning Systems (ULPS) are often a common solution for MRs…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Robotics (ROB))
Open AccessArticle
16 Pages, 3,319 KB Download PDF

Two-Stage Performance Engineering of Container-based Virtualization

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 521–536, 2018; DOI: 10.25046/aj030163
Abstract:

Cloud computing has become a compelling paradigm built on compute and storage virtualization technologies. The current virtualization solution in the Cloud widely relies on hypervisor-based technologies. Given the recent booming of the container ecosystem, the container-based virtualization starts receiving more attention for being a promising alternative. Although the container technologies are generally considered to be…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
10 Pages, 2,375 KB Download PDF

Adaptive and Non Adaptive LTE Fractional Frequency Reuse Mechanisms Mobility Performance

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 511–520, 2018; DOI: 10.25046/aj030162
Abstract:

Mobile broadband has gained momentum with the growing demand of user data rates. Long Term Evolution (LTE) technology is the step in mobile communications evolution, developed to satisfy high data rate demand, and meet better spectral efficiency requirements. Effective radio resource management and inter cell interferences are the major challenges. Fractional Frequency Reuse (FFR) is…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 1,106 KB Download PDF

Performance Analysis of Regenerative Braking in Permanent Magnet Synchronous Motor Drives

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 460–466, 2018; DOI: 10.25046/aj030156
Abstract:

This paper describes the design and analysis of a regenerative braking system for a permanent magnet synchronous motor (PMSM) drive for electric vehicle (EV) applications. First studied is the principle for electric braking control of a PMSM motor under field-oriented control (FOC). Next, the maximum braking torque in the regeneration mode as well as the…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Electrical Engineering (ELE))
Open AccessArticle
8 Pages, 1,302 KB Download PDF

Systematic Tool Support of Engineering Education Performance Management

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 418–425, 2018; DOI: 10.25046/aj030151
Abstract:

Engineering schools must adopt or develop their own systems and processes for graduate attribute assessment. In this paper, we take a systems engineering approach to graduate attribute assessment and propose a system architecture and tool-supported continuous improvement process with key algorithms and mathematical analysis to process the data and provide performance management reporting. Over several…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
5 Pages, 1,524 KB Download PDF

Applying Machine Learning and High Performance Computing to Water Quality Assessment and Prediction

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 285–289, 2017; DOI: 10.25046/aj020635
Abstract:

Water quality assessment and prediction is a more and more important issue. Traditional ways either take lots of time or they can only do assessments. In this research, by applying machine learning algorithm to a long period time of water attributes’ data; we can generate a decision tree so that it can predict the future…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Environmental Engineering (EEV))
Open AccessArticle
8 Pages, 962 KB Download PDF

Smart Grid Operational functions and Control Challenges by Implementing SSSC Tailored to Optimize performance in between Qatar and KSA on the GCC Electrical-power grid

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 20–27, 2017; DOI: 10.25046/aj020603
Abstract:

This research work is novel technique to control and optimize SSSC (Subsynchronous Series Controller) functions with degree of precision in between Qatar and Kingdom of Saudi Arabia. The SSSC model developed and simulated in order to identify and determine its control and functioning parameters by introducing new tuning parameters based on that the SSSC can…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Electrical Engineering (ELE))
Open AccessArticle
18 Pages, 1,858 KB Download PDF

1-D Wavelet Signal Analysis of the Actuators Nonlinearities Impact on the Healthy Control Systems Performance

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1693–1710, 2017; DOI: 10.25046/aj0203210
Abstract:

The objective of this paper is to investigate the use of the 1-D wavelet analysis to extract several patterns from signals data sets collected from healthy and faulty input-output signals of control systems as a preliminary step in real-time implementation of fault detection diagnosis and isolation strategies. The 1-D wavelet analysis proved that is an…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 546 KB Download PDF

On the Performance of a Clustering-based Task Scheduling in a Heterogeneous System

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1540–1548, 2017; DOI: 10.25046/aj0203192
Abstract:

Recent task scheduling algorithms for a generalized workflow job in heterogeneous system adopt list-based scheduling. In those algorithms, the response time cannot be effectively reduced if the given workflow job is data-intensive. If the workflow job is computationally intensive, an attempt is made to assign tasks to many processors, which can lead to resource starvation.…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
5 Pages, 639 KB Download PDF

A Modified Patch Antenna with Square-Open Loop Resonator Slot for Improved Bandwidth Performance in WiFi Applications

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1467–1471, 2017; DOI: 10.25046/aj0203183
Abstract:

A novel, modified square patch antenna with square open loop resonator slot, operating at 5.5 GHz, for improved bandwidth performance is proposed in this article. A complementary square open loop resonator is introduced on the patch to enhance the bandwidth more than twice that of the conventional square patch antenna operating at the same frequency.…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Telecommunications (TEL))
Open AccessArticle
8 Pages, 1,026 KB Download PDF

Fault-Tolerant in Embedded Systems (MPSoC): Performance Estimation and Dynamic Migration Task

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1188–1195, 2017; DOI: 10.25046/aj0203150
Abstract:

Multiprocessor Systems-on-Chip (MPSoC) allow the implementation of heterogeneous architectures with a high integration capacity. In recent years, computational requirements MPSoC are increasing exponentially. This complexity, coupled with constantly evolving specifications, has forced designers to consider intrinsically flexible implementations. Deploying applications typical of multimedia domains is difficult, not only due to the heterogeneous parallelism in the…

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(This article belongs to the SP3 (Special issue on Recent Advances in Engineering Systems 2017) & Section Electronic Engineering (EEE))

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