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In this paper, a variant of the recently introduced whale optimization algorithm (WOA) was proposed based on adaptive switching of random walk per individual search agent. WOA is recently proposed bio-inspired optimizers that employ two different random walks. The original optimizer stochastically switches between the two random walk at each iteration regardless of the search agents performance and...
In the article an approach to accounting uncertainty of the initial information in the system research. It consists in the inclusion of uncertainty as one of the parameters in the studied model systems. The authors propose classification according to the degree of uncertainty, which allows you to identify the following types of uncertainty: complete certainty, stochastic and fuzzy uncertainty. Described...
Many methods have been introduced as economic load dispatchers. However, all these methods depend on the optimization field, where most of these studies mainly focus on how to strengthen the optimization algorithms themselves. This means the mystery key that segregate between the good and bad ELD solvers is the optimization algorithm itself. However, there is a practical fact known in many real power...
SimRank is an effective structural similarity measurement between two vertices in a graph, which can be used in many applications like recommender systems. Although progresses have been achieved, existing methods still face challenges to handle large graphs. Besides huge index construction and maintenance cost, the existing methods require considerable search space and time overheads in the online...
In this paper, a feature selection system is introduced applies the whale optimization algorithm (WOA). WOA is a recently introduced meta-heuristic optimization algorithm that mimics the natural behavior of the humpback whales. The proposed model applies the wrapper-based method to reach the optimal subset of features. This technique was applied to find the best feature subset that maximizes the accuracy...
The concept of energy sustainability has been recently introduced in complex cyber-physical systems innovation studies. Previous empirical studies have only focused on the coordination of systems in a large system, but less research has been done on energy efficiency and management towards sustainability. We argue that in terms of energy consumption, a system comprising variety of technologies and...
In this paper we present a sequential sampling strategy for multiresponse radial basis function. Different from traditional methods which construct a single metamodel for each scalar response independently, the proposed approach takes multiple responses simultaneously. The product of minimum distance from other current sampling sites and curvature of the site on the response surface is introduced...
This paper introduces a holistic approach in the formulation and optimization of museum visitors' Quality of Experience (QoE). The most influential parameters on visitors QoE have been identified and quantified via performing an empirical study based on a questionnaire answered by experts in the field of arts and museums. Individual QoE functions with respect to each of the identified parameters have...
Formulated mathematical model and the developed finite-difference method and computer program that enables the effective exercise of computer modeling and optimization of high-speed processes of thawing of soils with the help of the magnetrons. As the primary modeling method used a variant of end-to-end “enthalpy” method without smoothing concentrated heat capacity. Implemented a series of informative...
Nowadays, a dataset includes a huge number of features with irrelevant and redundant ones. Feature selection is required for a better machine-learning algorithms' performance. A system for feature selection is proposed in this work using a sine cosine algorithm (SCA). SCA is a new stochastic search algorithm for optimization problems. SCA optimization adaptively balances the exploration and exploitation...
Literature evidences have demonstrated the effectiveness of the sampled t-way test suite for defect detection in software testing. The main task in implementing t-way testing strategies is constructing best possibility test case. There are several methods that have been proposed but none of them can be claimed to be the best result because t-way are considered as NP-hard problem. In this paper, the...
This paper proposes a robust frequency-domain method to tune the d-q decoupled control system used in Modular Multilevel Converter-type Voltage Sourced Converter (MMC-VSC) systems. A linearized state-space model of the MMC-VSC system is developed and used to calculate the stability-related frequency-domain attributes. The controller design problem is formulated as an optimization problem. In this...
This paper presents a robust and important method for the self-calibration of a numerical camera using a tridimensional unknown scene. The particularity of our technique resides in the use of an arc of the circle and the localization of some of the matching points detected in the use of an ensemble of images in order to define in an automated way the intrinsic parameters, which are unknown and variable...
we consider a network localization problem by modeling this as a unit disk graph where nodes are randomly placed with uniform distribution in an area where connectivity between nodes are defined when the distances fall within a unit range. Under a condition that a number of nodes know their locations (anchor nodes), this paper proposes a heuristic approach to find a realization for the rest of the...
The design of a warehouse or distribution center (DC) has become an essential tool for the optimization of the supply chain in most industries. Energy consumption in this type of facilities is an important issue which has not received much attention in the scientific community which has focused instead in two-dimensional routing optimization. In this paper the problem of designing a rectangular warehouse...
In this paper, the model of mathematical pendulum is formulated as a non-linear dynamic system. The equilibrium positions of the dynamic system are obtained as a solution of corresponding problem of multiprogram stabilization. This solution is eventually formalized in a form of Hermit's polynomial.
Designed with the goal of mimicking key features of real HPC workloads, mini-apps have become an important tool for co-design. An investigation of mini-app behavior can provide system designers with insight into the impact of architectures, programming models, and tools on application performance. Mini-apps can also serve as a platform for fast algorithm design space exploration, allowing the application...
The use of optimal ATM menu structuring for different customer profiles is essential because of usability, efficiency, and customer satisfaction. Especially in competitive industries such as banking, having optimal user interface (UI) is a must. Determining the optimal menu structure is generally accomplished through manual adjustment of the menu elements. However, such an approach is inherently flawed...
This article provides an effective way to alleviate the long running defect of multi-objective intelligent optimization algorithms and enhance its ability to solve the robust optimization (RO) design. It describes the implementation of parallel computing for intelligent optimization algorithms based on the MATLAB Parallel Computing Toolbox (PCT) and Distributed Computing Server (DCS). In order to...
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