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Keyword: Objective function
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Open AccessArticle
11 Pages, 368 KB Download PDF

A Review of RPL Objective Function based Enhancement Approaches

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 201–211, 2020; DOI: 10.25046/aj050525
Abstract:

Since the release of of the IPv6 Routing protocol for Low-Power and Lossy Networks by the IETF ROLL working group, several enhancement schemes were proposed. In fact, They aim to extend the network lifetime, reduce congestion, mitigate end to end delay and moderate energy consumption. In fact, considering the vast area of Low-Power and Lossy…

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(This article belongs to Section Network Engineering (ENW))
Open AccessArticle
12 Pages, 2,207 KB Download PDF

A Machine Learning based Framework for Parameter based Multi-Objective Optimisation of Video CODECs

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 1515–1526, 2017; DOI: 10.25046/aj0203190
Abstract:

All multimedia devices now incorporate video CODECs that comply with international video coding standards such as H.264 / MPEG4-AVC and the new High Efficiency Video Coding Standard (HEVC), otherwise known as H.265. Although the standard CODECs have been designed to include algorithms with optimal efficiency, a large number of coding parameters can be used to…

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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
7 Pages, 823 KB Download PDF

Optimizing the Wind Farm Layout for Minimizing the Wake Losses

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 309–315, 2021; DOI: 10.25046/aj060135
Abstract:

The development of wind farms requires an optimal design of wind turbines layout. The main goal of this optimization is to minimize the wake effect through the optimal placement of the wind turbines. The current study aims to standardize the wake losses among all wind turbines in the wind farm and bringing their losses to…

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(This article belongs to Section Environmental Engineering (EEV))
Open AccessArticle
6 Pages, 818 KB Download PDF

Advanced Design of Current-mode Pass-band Filter using Ant Colony Optimization Technique

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 995–1000, 2020; DOI: 10.25046/aj0506119
Abstract:

Ant Colony Optimization (ACO) algorithm, a well-known robust technique to solve easily both a simple and multiple objective optimization problems. This article presents an application of the ACO in order to achieve the optimal sizing of analog circuit. The proposed technique is employed to optimizing the sizing of a positive second-generation current conveyor (CCII+). Results…

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(This article belongs to the iraset-20 (Special Issue on Innovative Research in Applied Science, Engineering and Technology 2020) & Section Electronic Engineering (EEE))
Open AccessArticle
9 Pages, 970 KB Download PDF

Reliability Improvement of Radial Distribution System by Reconfiguration

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 6, Page # 472–480, 2020; DOI: 10.25046/aj050656
Abstract:

In a radial distribution system, component failure leads to service interruption and subsequent disconnection of a few load points. An abnormal variation in the voltage levels and high power loss gives rise to reliability issues. In this work, feeder reconfiguration is performed to improve reliability, minimize voltage deviation and power loss. A Binary Particle Swarm…

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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
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, 500 KB Download PDF

A Solution Applying the Law on Road Traffic into A Set of Constraints to Establish A Motion Trajectory for Autonomous Vehicle

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 450–456, 2020; DOI: 10.25046/aj050356
Abstract:

With a model predictive control approach and to set the motion trajectory for an autonomous vehicle in situations where emergency braking cannot be performed, in this paper, we propose a solution to apply the law on road traffic into a set of constraints and thereby build an objective function to create motion trajectory for autonomous…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Automation & Control Systems (ACS))
Open AccessArticle
5 Pages, 892 KB Download PDF

An Enhanced Fuzzy Clustering with Cluster Density Immunity

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 239–243, 2019; DOI: 10.25046/aj040429
Abstract:

Clustering is one of the well-known unsupervised learning methods that groups data into homogeneous clusters, and has been successfully used in various applications. Fuzzy C-Means(FCM) is one of the representative methods in fuzzy clustering. In FCM, however, cluster centers tend leaning to high density area because the sum of Euclidean distances in FCM forces high…

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(This article belongs to Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
5 Pages, 586 KB Download PDF

Multi-Restricted Area Avoidance Scenario Using Hybrid Dynamical Model and Its Predictive Controller

Advances in Science, Technology and Engineering Systems Journal, Volume 4, Issue 4, Page # 147–151, 2019; DOI: 10.25046/aj040418
Abstract:

This article is addressed to show the results of hybrid dynamical modeling in the form of PWA (piecewise-affine) and equivalent MLD (mixed-logical dynamical) model for multi-restricted areas avoidance of an autonomous system. It is a problem of determining the optimal moving trajectory from plant’s initial position to some desired position while avoiding some restricted areas…

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(This article belongs to the SP7 (Special Issue on Advancement in Engineering and Computer Science 2019) & Section Robotics (ROB))
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
9 Pages, 854 KB Download PDF

Distributing the computation in combinatorial optimization experiments over the cloud

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 6, Page # 136–144, 2017; DOI: 10.25046/aj020617
Abstract:

Combinatorial optimization is an area of great importance since many of the real-world problems have discrete parameters which are part of the objective function to be optimized. Development of combinatorial optimization algorithms is guided by the empirical study of the candidate ideas and their performance over a wide range of settings or scenarios to infer…

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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
6 Pages, 774 KB Download PDF

Estimation of Power System Stabilizer Parameters Using Swarm Intelligence Techniques to Improve Small Signal Stability of Power System

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 4, Page # 139–144, 2017; DOI: 10.25046/aj020419
Abstract:

Interconnection of the power system utilities and grids offers a formidable dispute in front of design engineers. With the interconnections, power system has emerged as a more intricate and nonlinear system. Recent years small signal stability problems have achieved much significance along with the conventional transient constancy problems. Transient stability of the power system can…

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(This article belongs to Section Automation & Control Systems (ACS))
Open AccessArticle
6 Pages, 692 KB Download PDF

Optimisation of Software-Defined Networks Performance Using a Hybrid Intelligent System

Advances in Science, Technology and Engineering Systems Journal, Volume 2, Issue 3, Page # 617–622, 2017; DOI: 10.25046/aj020379
Abstract:

This paper proposes a novel intelligent technique that has been designed to optimise the performance of Software Defined Networks (SDN). The proposed hybrid intelligent system has employed integration of intelligence-based optimisation approaches with the artificial neural network. These heuristic optimisation methods include Genetic Algorithms (GA) and Particle Swarm Optimisation (PSO). These methods were utilised separately…

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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))

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