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Open AccessArticle
8 Pages, 894 KB Download PDF

Estimation of Software Development Project Success using Fuzzy Logics

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 280–287, 2019; DOI: 10.25046/aj040236
Abstract:

To date, software development is vital since software is a critical element in information technology. Requirements gathering, planning, estimation, estimation, development, collaboration, testing, and deployment. The problem is when it is delivered, so it reduces the risk of the problem which could happen is important. Threat prediction should be made. It will be aimed at…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
10 Pages, 3,367 KB Download PDF

Effects of Different Activation Functions for Unsupervised Convolutional LSTM Spatiotemporal Learning

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 260–269, 2019; DOI: 10.25046/aj040234
Abstract:

Convolutional LSTMs are widely used for spatiotemporal prediction. We study the effect of using different activation functions for two types of units within convolutional LSTM modules, namely gate units and non-gate units. The research provides guidance for choosing the best activation function to use in convolutional LSTMs for video prediction. Moreover, this paper studies the…

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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, 903 KB Download PDF

Assessment of Coordinated Multipoint Transmission Modes for Indoor and Outdoor Users at 28 GHz in Urban Macrocellular Environment

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 119–126, 2019; DOI: 10.25046/aj040216
Abstract:

The aim of this article is to analyze and evaluate the performance of Coordinated Multipoint (CoMP) transmission approach at a frequency of 28 GHz using three dimensional ray tracing simulations in an urban macrocellular environment. The new performance metric introduced in this article is the relative power usage. Other performance metrics examined in this article…

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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
5 Pages, 788 KB Download PDF

Deep Feature Representation for Face Sketch Recognition

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 107–111, 2019; DOI: 10.25046/aj040214
Abstract:

Face sketch recognition aims at matching face sketch images to face photo images. The main challenge lies in modality discrepancy between face photo and sketch images. In this work, we propose a new facial sketch-to-photo recognition approach by adopting VGG-Face deep learning network, with which face images can be represented by compact and highly discriminative…

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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, 1,188 KB Download PDF

High-Temperature Optical Characterization of Wide Band Gap Light Emitting Diodes and Photodiodes for Future Power Module Application

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 17–22, 2019; DOI: 10.25046/aj040203
Abstract:

A systematic study of wide bandgap (WBG) based light emitting diodes (LEDs) and photodiodes (PDs) were conducted for the assessment of modular integration of optoelectronic devices into power modules. The temperature dependence of the photoluminescence (PL) efficiency of Indium gallium nitride/Gallium nitride (InGaN/GaN) multiple quantum wells (MQWs) material was studied from 10 to 800 K.…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Optics (OPT))
Open AccessArticle
17 Pages, 1,804 KB Download PDF

Development of Application Specific Electronic Nose for Monitoring the Atmospheric Hazards in Confined Space

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 200–216, 2019; DOI: 10.25046/aj040120
Abstract:

The presence of atmospheric hazards in confined space can contribute towards atmospheric hazards accidents that threaten the worker safety and industry progress. To avoid this, the environment needs to be observed. The air sample can be monitored using the integration of electronic nose (e-nose) and mobile robot. Current technology to monitor the atmospheric hazards is…

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(This article belongs to the SP6 (Special Issue on Recent Advances in Engineering Systems 2018-19) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
11 Pages, 1,440 KB Download PDF

Fuzzy Logic Implementation for Enhanced WCDMA Network Using Selected KPIs

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 114–124, 2019; DOI: 10.25046/aj040112
Abstract:

The paper focused on the implementation of fuzzy logic technology for improved Wideband Code Division Multiple Access (WCDMA) network using selected Key Performance Indicators (KPIs). Empirical and analytical methods were principally deployed for the study analyses. Empirical analyses were conducted on two designated networks which are MTN and AIRTEL observed with high network traffic to…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
8 Pages, 1,050 KB Download PDF

Hypervolume-Based Multi-Objective Reinforcement Learning: Interactive Approach

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 93–100, 2019; DOI: 10.25046/aj040110
Abstract:

In this paper, we propose a procedure of interactive multi-objective reinforcement learning for multi-step decision problems based on the preference of a decision maker. The proposed method is constructed based on the multi-objective reinforcement learning which is applied to multi-step multi-objective optimization problems. The existing literature related to the multi-objective reinforcement learning indicate that the…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
8 Pages, 1,183 KB Download PDF

PID-Type FLC Controller Design and Tuning for Sensorless Speed Control of DC Motor

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 515–522, 2018; DOI: 10.25046/aj030660
Abstract:

This article examines the use of non-ideal current and voltage sensors for sensorless speed control for a fixed field DC motor. A PID type speed controller with KF estimator was applied to control the DC motor and IAE, settling time, and peak overshoot were taken as performance indices. However, KF facilitated the noise reduction. After…

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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
14 Pages, 2,022 KB Download PDF

A Practical Approach for Extending DSMLs by Composing their Metamodels

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 358–371, 2018; DOI: 10.25046/aj030644
Abstract:

Domain specific modeling (DSM) has become popular in the software development field during these last years. It allows to design an application using a domain specific modeling language (DSML) and to generate an end-solution software product directly from models. However providing a new DSML is a complex and costly job. This can be reduced by…

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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, 327 KB Download PDF

An Improved Cross-Connection Abatement Algorithm with RSSI Using In-Band Magnetic Field Control in Densely Located LC Wireless Charger Environments

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 247–251, 2018; DOI: 10.25046/aj030632
Abstract:

In densely located loosely coupled wireless charger environments, cross-connection errors can occur when wireless chargers operate at the same time within the same wireless communication range. In this work, an effective algorithm is proposed to prevent cross-connection error. The algorithm based on the cross-connection abatement technique with the received signal strength indicator of out-band BLE…

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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
4 Pages, 493 KB Download PDF

Closed Approach of a Decoder Mobile for the 406 Mhz Distress Beacon

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 243–246, 2018; DOI: 10.25046/aj030631
Abstract:

This article presents the design and realization of decoder mobile for distress beacon 406 MHz. The use of the sparse Fourier transforms in the processing of distress beacon signals. The characteristics of these decoders are mobility, able to decode all the frequencies of the beacons. It locates with great precision the location of the emitting…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Telecommunications (TEL))
Open AccessArticle
10 Pages, 2,535 KB Download PDF

Low-Dimensional Spaces for Relating Sensor Signals with Internal Data Structure in a Propulsion System

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 23–32, 2018; DOI: 10.25046/aj030602
Abstract:

Advances in technology have enabled the installation of an increasing number of sensors in various mechanical systems allowing for more detailed equipment health monitoring capabilities. It is hoped the sensor data will enable development of predictive tools to prevent system failures. This work describes continued analysis of sensor data surrounding a seizure of a turbocharger…

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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
7 Pages, 1,021 KB Download PDF

Economic and Social Sustainability for Iraqi Middle Provinces

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 447–453, 2018; DOI: 10.25046/aj030551
Abstract:

This research is part of a study concerned with building an integrated framework for development of sustainable urban planning in Iraqi provinces. Seven Iraqi middle provinces are covered in this study. The aim of the study is to determine, measure and evaluate economic and social sustainability in the Iraqi middle provinces. The stages to achieve…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Ecology (ECO))
Open AccessArticle
12 Pages, 7,416 KB Download PDF

Virtual Watershed System: A Web-Service-Based Software Package For Environmental Modeling

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 382–393, 2018; DOI: 10.25046/aj030544
Abstract:

The physically-based environmental model is a crucial tool used in many scientific inquiries. With physical modeling, different models are used to simulate real world phenomena and most environmental scientists use their own devices to execute the models. A complex simulation can be time-consuming with limited computing power. Also, sharing a scientific model with other researchers…

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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
9 Pages, 1,178 KB Download PDF

Characteristic, Thermochemical Behaviors and Kinetic of Demineralized and Torrefied Empty Fruit Bunches (EFB)

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 365–373, 2018; DOI: 10.25046/aj030542
Abstract:

A sequential pre-treatment of demineralization and torrefaction, was carried out on palm empty fruit bunches (EFB). EFB and demineralized EFB (DEFB) were torrefied in a vertical tubular reactor in the temperature range of 200 to 280 °C for 30 mins under nitrogen (flow rate:100 mL/min. The pretreated samples were characterized using proximate and ultimate analyses,…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Applied Chemistry (CAP))
Open AccessArticle
11 Pages, 1,495 KB Download PDF

Proposed System of New Generation LMS Using Visual Models to Accelerate Language Acquisition

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 277–287, 2018; DOI: 10.25046/aj030533
Abstract:

Language skill is a rule-like operation, based on generalized connections. The main property of language skills is awareness. They are formed with conscious mastery of the language means of communication (phonetic, lexical and grammatical). Language acquisition is a complex process which includes a large number of different parameters. Therefore, the study and improvement of language…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
6 Pages, 1,192 KB Download PDF

Development and Testing of Intelligent Wheelchair Controller for Quadriplegic Patients

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 220–225, 2018; DOI: 10.25046/aj030527
Abstract:

In this research paper, the development and evaluating of a smart controller for electrical powered wheelchairs are presented. The controller aimed to assist quadriplegic, paralyzed, and handicap patients who cannot use their hands to drive an electrical wheelchair by using a joystick controller. Two sub control units have been combined in one hybrid system to…

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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
4 Pages, 585 KB Download PDF

Analysis of Drain Current Transient Response of Gate Pulse Voltage in AlGaN / GaN High Electron Mobility Transistors

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 216–219, 2018; DOI: 10.25046/aj030526
Abstract:

Recently, several studies focus on a GaN material system that exhibits a significant probability of use in power devices including wide-gap semiconductors. However, the GaN-HEMT is also a structure that easily leads to crystal defects in AlGaN and i-GaN heterojunction. The aim of the study involved investigating the cause of the current collapse in GaN-HEMT…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Electronic Engineering (EEE))
Open AccessArticle
7 Pages, 1,799 KB Download PDF

Spatial Modeling of Flood Risk in Karawang

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 200–206, 2018; DOI: 10.25046/aj030524
Abstract:

Conceptually, flood modeling can be done based on process and data availability (data driven model). The implementation of flood mitigation requires accurate data, which can be obtained from high resolution satellite imagery, vertical air photos and high-resolution Digital Elevation Model (DEM). Modeling using high accuracy DEM data can detect landforms in more detail. The objective…

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(This article belongs to Section Remote Sensing (RMS))
Open AccessArticle
10 Pages, 1,010 KB Download PDF

Effectiveness of Routing Protocols for Different Networking Scenarios

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 112–121, 2018; DOI: 10.25046/aj030412
Abstract:

Selection of a routing protocol is vital for modern arena of Internet communication as network traffic and network complexities are rapidly increasing. This paper evaluates the effectiveness of three routing protocols namely routing information protocol version 2 (RIPv2), open shortest path first (OSPF), enhanced interior gateway routing protocol (EIGRP), and hybrid protocols based on these…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
16 Pages, 1,000 KB Download PDF

Theory Building of Quattro Bottom Line Approach for Sustainable Reverse Logistics from Government Perspective: The Indonesia Evidence

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 83–98, 2018; DOI: 10.25046/aj030410
Abstract:

Reverse logistics activities are widely used application to preserve the environment in many developed countries from e-waste problem. Due to lack of public awareness in many emerging countries, implementation of reverse logistics program must be initiated by government. Besides that, reverse logistics practices often fail to balance among profit target achievement, the environmental conservation, and…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Operations Research & Management Science (ORM))
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
14 Pages, 1,293 KB Download PDF

An Overview of Data Center Metrics and a Novel Approach for a New Family of Metrics

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 2, Page # 238–251, 2018; DOI: 10.25046/aj030228
Abstract:

Data centers’ mission critical nature, significant power consumption, and increasing reliance on them for digital information, have created an urgent need to monitor and adequately manage these facilities. Metrics are a key part of this effort as their indicators raise flags that lead to optimization of resource utilization. A thorough review of existing data center…

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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
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))

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