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Open AccessArticle
9 Pages, 11,238 KB Download PDF

Implementation of a GAS Injection Type Prefabricated Lifting Device for Underwater Rescue Based on Location Tracking

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 6, Page # 78–86, 2023; DOI: 10.25046/aj080609
Abstract:

In this paper, we have developed a gas injection-type prefabricated lifting device based on location tracking to efficiently lift the human body in the event of an accident that occurs underwater on the sea or land. The efficiency of the lifting system is very important to ensure the golden time of the rescue and the…

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(This article belongs to the SP15 (Special Issue on Innovation in Computing, Engineering Science & Technology 2023) & Section Oceanography (OCR))
Open AccessArticle
9 Pages, 976 KB Download PDF

Metaheuristic Optimization Algorithm Performance Comparison for Optimal Allocation of Static Synchronous Compensator

Advances in Science, Technology and Engineering Systems Journal, Volume 8, Issue 1, Page # 116–124, 2023; DOI: 10.25046/aj080114
Abstract:

The relevance of static synchronous compensator (STATCOM) controllers in controlling power network parameters is causing them to be included in contemporary networks. But for the intended objectives to be attained, the best device positioning and parameter settings are essential. This work compares the performance of the particle swarm optimization (PSO) and firefly algorithm (FA) in…

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(This article belongs to the SP14 (Special Issue on Computing, Engineering and Multidisciplinary Sciences 2022-23) & Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 3,666 KB Download PDF

Optimizing Sensors Locations for Tsunami Warning System

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 6, Page # 256–261, 2022; DOI: 10.25046/aj070629
Abstract:

To reduce the time necessary for determination of tsunami source parameters it is proposed to optimize the location of sensors system and to use only a part of the measured wave profile. Based on computation, it is possible to balance the number of sensors in use and the time period after the earthquake needed to…

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(This article belongs to the SP13 (Special Issue on Innovation in Computing, Engineering Science & Technology 2022) & Section Ocean Engineering (EOC))
Open AccessArticle
14 Pages, 1,806 KB Download PDF

Segmentation of Stocks: Dynamic Dimensioning and Space Allocation, using an Algorithm based on Consumption Policy, Case Study

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 4, Page # 306–319, 2021; DOI: 10.25046/aj060434
Abstract:

This paper addresses the stock management aspect. Through this work, we provide a dynamic model of dimensioning and allocation of stocks to storage location for the automotive industry field. This model takes into consideration all constraints of the supply chain (24 constraints) from the suppliers passing by production, storage up to customer delivery and transport.…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Industrial Engineering (EID))
Open AccessArticle
10 Pages, 1,720 KB Download PDF

Enhanced Data Transportation in Remote Locations Using UAV Aided Edge Computing

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 1091–1100, 2021; DOI: 10.25046/aj0602124
Abstract:

In recent years, the applications in the field of Unmanned Aerial Vehicle (UAV) systems has procured research interests among various communities. One of the primary factors being, thinking beyond the box of what could UAV system bring to the table other than military applications? Evidence to any answer for this question is the current day…

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(This article belongs to the SP11 (Special Issue on Innovation in Computing, Engineering Science & Technology 2021) & Section Aerospace Engineering (EAR))
Open AccessArticle
6 Pages, 871 KB Download PDF

Allocation of Total Congestion Cost and load participation to Generators for a PoolCo Market in Deregulated Power System

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1145–1150, 2021; DOI: 10.25046/aj0601128
Abstract:

The objective of this paper is to allocate transmission congestion cost to responsible generators using a novel method. Deregulation of the electrical power system leads to the compulsion of open access to the transmission system for all entities of the power system. There is a trend to utilize cheaper generators by all loads. This leads…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electrical Engineering (ELE))
Open AccessArticle
16 Pages, 1,332 KB Download PDF

QoE-aware Bandwidth Allocation for Multiple Video Streaming Players over HTTP and SDN

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 184–199, 2021; DOI: 10.25046/aj060121
Abstract:

For many years, the most popular technique for Internet video streaming is hypertext transfer protocol-based adaptive streaming, known as HAS (HTTP Adaptive Streaming). However, a seamless viewing experience can not be just simply guaranteed by HAS only. In the management network, the adaptation of HAS copes with a huge challenge since client- driven schemes lead…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Network Engineering (ENW))
Open AccessArticle
10 Pages, 1,095 KB Download PDF

Mitigating Congestion in Restructured Power System using FACTS Allocation by Sensitivity Factors and Parameter Optimized by GWO

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 01–10, 2020; DOI: 10.25046/aj050501
Abstract:

In modern deregulated power industry, private sector has invested a lot to supply for extended power demand using the preexisting power system framework. This resulted into increased loading of transmission lines which has to work now to hit their thermal limits. The overloading of transmission line resulted in congestion and hence increase in loss of…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Electrical Engineering (ELE))
Open AccessArticle
7 Pages, 1,179 KB Download PDF

Warehouse Relocation of a Company in the Automotive Industry Using P-median

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 576–582, 2020; DOI: 10.25046/aj050372
Abstract:

To have enough information on time can be helpful when companies try to reduce costs and operate more efficiently. An international company that supplies parts for the automotive industry is currently testing its new facilities in Mexico. The relocation of the raw materials and finished goods warehouses were tested using a P-Median model. The operating…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Industrial Engineering (EID))
Open AccessArticle
11 Pages, 1,074 KB Download PDF

Evolution of Privacy Preservation Models in Location-Based Services

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 82–92, 2020; DOI: 10.25046/aj050311
Abstract:

Location-based services have become increasingly prevalent with the advancement in the positioning capabilities of smart devices and their emergence in social networking. In order to acquire a service, users must submit their identity, query interest and location details to service providers. Such information shared by users are accumulated continuously, stored and analyzed in order to…

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(This article belongs to Section Software Engineering in Computer Science (CSE))
Open AccessArticle
10 Pages, 796 KB Download PDF

Analysis of Vulnerabilities, Risks and Threats in the Process of Quota Allocation for the State University of Ecuador

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 2, Page # 673–682, 2020; DOI: 10.25046/aj050283
Abstract:

Different models and standards of information security were analyzed, to adopt a model that mitigates vulnerabilities, risks and threats in the quota allocation process for the State University in Ecuador. The main objective is defining a prototype for the management of processes and information security in this type of organization. It was used the deductive…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
5 Pages, 1,012 KB Download PDF

Optimization of the Feeding Point Location of Rectangular Microstrip Patch Antenna

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 1, Page # 382–386, 2020; DOI: 10.25046/aj050149
Abstract:

Microstrip patch antennas (MPAs) are comfortable and have better anticipation compared to traditional antennas. Not only the weight of this type of antennas is lighter but also, they have little capacity, minimum price, reduced in measurement as well as affluence of fiction then observance. Recently, it has been many times reevaluated for the improvement of…

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(This article belongs to Section Electronic Engineering (EEE))
Open AccessArticle
6 Pages, 753 KB Download PDF

Determination of Submerged Breakwater Location for Coastal Protection in Panjang Island Waters Jepara

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 346–351, 2019; DOI: 10.25046/aj040545
Abstract:

Panjang Island is one of the islands which is categorized as a small island and is located in Jepara District, Jepara Regency, Central Java Province. The problem faced by Panjang Island is erosion, which increasingly erodes the shoreline and begins to damage buildings on the beach. A solution that is effective enough to overcome erosion…

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(This article belongs to the SP8 (Special Issue on Multidisciplinary Sciences and Engineering 2019-20) & Section Ocean Engineering (EOC))
Open AccessArticle
8 Pages, 593 KB Download PDF

Proposal Methodology of Planning and Location of Loading/Unloading Spaces for Urban Freight Vehicle: A Case Study

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 5, Page # 273–280, 2019; DOI: 10.25046/aj040534
Abstract:

The problem of planning and location of loading/unloading (L/U) areas attracting interest from several researchers. This is mainly because of the heterogeneity of information and the great complexity of logistics flows. Among the projects of the urban logistics in Morocco, the L/U areas represent an essential importance in the deliveries to the centers of the…

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(This article belongs to Section Transportation Science & Technology (TST))
Open AccessArticle
6 Pages, 774 KB Download PDF

Location Prediction based on Variable-order Markov Model with Time Feature and User’s Spatio-temporal Rule

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 2, Page # 351–356, 2019; DOI: 10.25046/aj040244
Abstract:

Location-based service has been widely used in modern life. It brings a lot of convenience to our lives. Improving the accuracy of location prediction can provide better location- based service. We propose a location prediction method based on the variable-order Markov model with time feature and user’s spatio-temporal rule. First, the user’s trajectory data needs…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Transportation Science & Technology (TST))
Open AccessArticle
11 Pages, 4,293 KB Download PDF

State Estimation based Echolocation Bionics and Image Processing based Target Pattern Recognition

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 1, Page # 73–83, 2019; DOI: 10.25046/aj040108
Abstract:

This paper deals with the theoretical aspect of bat echolocation and bionics, and image processing-based target recognition and identification methods. The state estimation methods utilizing the linear rustic filters such as fixed gain and Kalman filters are studied and implemented for echolocation bionics for estimating the LOS distance. A complete mathematical modeling and simulation of…

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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
5 Pages, 812 KB Download PDF

Metaheuristics for Solving Facility Location Optimization Problem in Lagos, Nigeria

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 319–323, 2018; DOI: 10.25046/aj030639
Abstract:

Facility location problem is a problem that many organizations still face today because of its increasing constraints and objectives. Decision makers want this problem solved in order to maximize profit and as such, it became a field of interest to many computer scientists over the years. The solution tool used by these scientists; a function…

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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
11 Pages, 1,032 KB Download PDF

A Novel Fair and Efficient Resource Allocation Scheduling Algorithm for Uplink in LTE-A

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 6, Page # 222–232, 2018; DOI: 10.25046/aj030629
Abstract:

With the introduction of new services and new more sophisticated mobile devices the radio network operators are faced with new challanges to increase the system performance. The most recent standards introduced by 3GPP for the new architectures of the Long Term Evolution network address these issues and outline possibilities for optimizing network performance and user…

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(This article belongs to Section Telecommunications (TEL))
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
8 Pages, 754 KB Download PDF

The Impacts of Distribution Generators’ Size and Location on Power Efficiency and Voltage Profile in Radial LV Networks

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 4, Page # 276–283, 2018; DOI: 10.25046/aj030428
Abstract:

This paper presents analytical methods for optimum allocation of distribution generators in a radial distribution network. The aim is to increase power efficiency and reduce loss of power. The ideal size of each distribution generator unit at the identified locations has been carefully selected by making adjustments to loss saving equations and the voltage on…

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(This article belongs to the SP5 (Special Issue on Multidisciplinary Sciences and Engineering 2018) & Section Electrical Engineering (ELE))
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
9 Pages, 4,674 KB Download PDF

Interference Avoidance using Spatial Modulation based Location Aware Beamforming in Cognitive Radio IOT Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 2, Page # 49–57, 2018; DOI: 10.25046/aj030206
Abstract:

The Internet of Things (IOT) is a revolutionary communication technology which enables numerous heterogeneous objects to be inter-connected. In such a wireless system, interference management between the operating devices is an important challenge. Cognitive Radio (CR) seems to be a promising enabler transmission technology for the 5G-IOT system. The “sense-and-adapt” smart transmission strategy in CR…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Telecommunications (TEL))
Open AccessArticle
7 Pages, 712 KB Download PDF

A Dynamic Reallocation Based Window Access Scheme for Enhancing QoS of Vehicular Ad-hoc Networks (VANETs)

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 1, Page # 322–328, 2018; DOI: 10.25046/aj030139
Abstract:

This article proposes a new MAC scheme for Vehicle-to-Infrastructure (V2I) communications that dynamically reallocates unused TDMA slots. By maintaining a balanced waiting time, the proposed TDMA based scheduling scheme allocates TDMA slots in a rational way to minimize merging and one-hop neighboring collision. The proposed scheme ensures dynamic reallocation of unused slots by using “time…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Telecommunications (TEL))
Open AccessArticle
6 Pages, 768 KB Download PDF

Enhancement of Voltage Stability through Optimal Location of UPFC

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 261–266, 2017; DOI: 10.25046/aj020631
Abstract:

This paper proposed the identification of the proper placement of UPFC (Unified Power Flow Controller) using a series of methodological numeric simulations to improve voltage stability. For this purpose, the critical zone of the system is determined, then, comparative analyses depending on different emplacements of UPFC are performed. The dynamic model of UPFC and 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
11 Pages, 1,073 KB Download PDF

Data Exchange Strategies for Aggregating Geographical Distribution of Demands for Location-Dependent Information Using Soft-State Sketches in VANETs

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 175–185, 2017; DOI: 10.25046/aj020622
Abstract:

When we drive a car, we often want to know the circumstances of roads between the current location and the destination. Ishihara et al. proposed a Vehicular ad-hoc NETworks (VANET) -based information sharing system, called the Real-Time Visual Car Navigation System, in which a driver can obtain Location-Dependent Information (LDI), such as photographs or videos…

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(This article belongs to the SP4 (Special issue on Advancement in Engineering Technology 2017-18) & Section Transportation Science & Technology (TST))
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