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Computation, Volume 10, Issue 9

2022 September - 25 articles

Cover Story: Fault analysis is a cornerstone of enhancing resiliency in power grid systems so that electrical distribution companies provide a high-level service. This study aims to provide a compact yet comprehensive review of the state-of-the-art works of fault analysis in transmission power systems. We discuss fault types and several fault-analysis methodologies adopted by relevant research works, propose a novel framework to classify these works, and highlight their strengths and limitations. We anticipate that this survey would be helpful as a literature review and would benefit the research community in choosing suitable techniques for fault analysis. View this paper
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Articles (25)

  • Article
  • Open Access
2,400 Views
20 Pages

Procedure Used to Estimate the Power Production of a Photovoltaic Module Operating under Partial Shading Conditions

  • Michael Arenas-Florez,
  • Juan David Bastidas-Rodríguez and
  • Carlos Andres Ramos-Paja

19 September 2022

This paper presents a methodology used to estimate the energy generated during one year by a photovoltaic module (PVM) operating under partial shading conditions. The methodology starts by calculating the solar paths and contours of nearby objects th...

  • Article
  • Open Access
4 Citations
3,502 Views
15 Pages

Dendrograms for Clustering in Multivariate Analysis: Applications for COVID-19 Vaccination Infodemic Data in Brazil

  • Maria da Penha Harb,
  • Lena Silva,
  • Thalita Ayass,
  • Nandamudi Vijaykumar,
  • Marcelino Silva and
  • Carlos Renato Francês

19 September 2022

Since December 2019, with the discovery of a new coronavirus, humanity has been exposed to a large amount of information from different media. Information is not always true and official. Known as an infodemic, false information can increase the nega...

  • Article
  • Open Access
9 Citations
7,235 Views
29 Pages

Solving the Optimal Selection of Wellness Tourist Attractions and Destinations in the GMS Using the AMIS Algorithm

  • Rapeepan Pitakaso,
  • Natthapong Nanthasamroeng,
  • Sairoong Dinkoksung,
  • Kantimarn Chindaprasert,
  • Worapot Sirirak,
  • Thanatkij Srichok,
  • Surajet Khonjun,
  • Sarinya Sirisan,
  • Ganokgarn Jirasirilerd and
  • Chaiya Chomchalao

18 September 2022

This study aims to select the ideal mixture of small and medium-sized destinations and attractions in Thailand’s Ubon Ratchathani Province in order to find potential wellness destinations and attractions. In the study region, 46 attractions and...

  • Article
  • Open Access
2,363 Views
31 Pages

Cayley Hash Values of Brauer Messages and Some of Their Applications in the Solutions of Systems of Differential Equations

  • María Alejandra Osorio Angarita,
  • Agustín Moreno Cañadas,
  • Cristian Camilo Fúneme,
  • Odette M. Mendez and
  • Robinson-Julian Serna

17 September 2022

Cayley hash values are defined by paths of some oriented graphs (quivers) called Cayley graphs, whose vertices and arrows are given by elements of a group H. On the other hand, Brauer messages are obtained by concatenating words associated with multi...

  • Article
  • Open Access
3 Citations
2,249 Views
14 Pages

17 September 2022

The article continues the study of the market model based on jump-telegraph processes. It is assumed that the price of a risky asset follows the stochastic exponential of a piecewise linear process, equipped with jumps that occur at the moments of a...

  • Communication
  • Open Access
1 Citations
2,458 Views
11 Pages

16 September 2022

In this work, we adopt the analysis of a heterogeneous cellular network by means of stochastic geometry, to estimate energy and spectral network efficiency. More specifically, it has been the widely spread experience that practical field assessment o...

  • Article
  • Open Access
1 Citations
2,306 Views
11 Pages

Reviewing and Discussing Graph Reduction in Edge Computing Context

  • Asier Garmendia-Orbegozo,
  • José David Núñez-Gonzalez and
  • Miguel Ángel Antón

16 September 2022

Much effort has been devoted to transferring efficiently different machine-learning algorithms, and especially deep neural networks, to edge devices in order to fulfill, among others, real-time, storage and energy-consumption issues. The limited reso...

  • Article
  • Open Access
8 Citations
3,769 Views
18 Pages

Comparison and Evaluation of Machine Learning-Based Classification of Hand Gestures Captured by Inertial Sensors

  • Ivo Stančić,
  • Josip Musić,
  • Tamara Grujić,
  • Mirela Kundid Vasić and
  • Mirjana Bonković

14 September 2022

Gesture recognition is a topic in computer science and language technology that aims to interpret human gestures with computer programs and many different algorithms. It can be seen as the way computers can understand human body language. Today, the...

  • Article
  • Open Access
7 Citations
2,337 Views
11 Pages

14 September 2022

The design of parts of machines, mechanisms, structures and foundations, particularly in the aerospace industry, is closely related to the definition of the stress state of the body. The accuracy of determining the stress state is the key to optimizi...

  • Article
  • Open Access
4 Citations
2,451 Views
16 Pages

14 September 2022

Early detection of diseases is vital for patient recovery. This article explains the design and technical matters of a computer-supported diagnostic system for eye melanoma detection implementing a security approach using chaotic-based encryption to...

  • Article
  • Open Access
2 Citations
2,740 Views
17 Pages

8 September 2022

Processing noise online in sensors-based measurement data (SMD) and mitigating the effect of domain drift are always challenges. As a result, it negatively impacts the effectiveness and feasibility of data-driven model (DDM)-based mechanical-system f...

  • Article
  • Open Access
6 Citations
3,112 Views
15 Pages

8 September 2022

Publications about COVID-19 have occurred practically since the first outbreak. Therefore, studying the evolution of the scientific publications on COVID-19 can provide us with information on current research trends and can help researchers and polic...

  • Article
  • Open Access
4 Citations
4,797 Views
41 Pages

5 September 2022

This work documents the existence of a cointegration relationship between credit spreads, leverage and equity volatility for a large set of US companies. It is shown that accounting for the long-run equilibrium dynamic between these variables is esse...

  • Article
  • Open Access
8 Citations
9,992 Views
19 Pages

4 September 2022

Positioning mobile systems with high accuracy is a prerequisite for intelligent autonomous behavior, both in industrial environments and in field robotics. This paper describes the setup of a robotic platform and its use for the evaluation of simulta...

  • Article
  • Open Access
1 Citations
2,700 Views
17 Pages

4 September 2022

The purpose of this research is to classify time-series data on the number of daily COVID-19 cases based on the dynamics. This research aims to evaluate the effectiveness of community activity restrictions in suppressing the number of new cases of CO...

  • Article
  • Open Access
8 Citations
3,413 Views
8 Pages

The Methods of Three-Dimensional Modeling of the Hydrogenerator Thrust Bearing

  • Oleksii Tretiak,
  • Dmitriy Kritskiy,
  • Igor Kobzar,
  • Mariia Arefieva and
  • Viacheslav Nazarenko

2 September 2022

In the presented scientific work, the basic design versions of the thrust bearings of Hydrogenerators are considered. The main causes of emergencies in the thrust bearing unit of a high-power Hydrogenerator are considered. The main requirements for t...

  • Article
  • Open Access
7 Citations
2,576 Views
14 Pages

The aim of this paper is to approximate fixed points of nonexpansive type mappings in Banach spaces when the set of fixed points is nonempty. We study the general Picard–Mann (GPM) algorithm, obtaining the weak and strong convergence theorems....

  • Article
  • Open Access
4 Citations
2,616 Views
16 Pages

Signal Processing Algorithm for Monopulse Noise Noncoherent Wideband Helicopter Altitude Radar

  • Valeriy Volosyuk,
  • Volodymyr Pavlikov,
  • Simeon Zhyla,
  • Eduard Tserne,
  • Oleksii Odokiienko,
  • Andrii Humennyi,
  • Anatoliy Popov and
  • Oleh Uruskiy

Radio altimeters are an important component of modern helicopter on-board systems. These devices currently involve the use of narrowband deterministic signals, that limits their potential technical characteristics. Given the significant breakthrough...

  • Communication
  • Open Access
2,778 Views
10 Pages

The existing literature indicates that spillovers can lead to a complicated bias in the estimation of causal effects in empirical corporate finance. We show that, under the assumption of simple random treatment assignment and when the proxy chosen fo...

  • Article
  • Open Access
39 Citations
15,743 Views
20 Pages

Face Detection & Recognition from Images & Videos Based on CNN & Raspberry Pi

  • Muhammad Zamir,
  • Nouman Ali,
  • Amad Naseem,
  • Areeb Ahmed Frasteen,
  • Bushra Zafar,
  • Muhammad Assam,
  • Mahmoud Othman and
  • El-Awady Attia

The amount of multimedia content is growing exponentially and a major portion of multimedia content uses images and video. Researchers in the computer vision community are exploring the possible directions to enhance the system accuracy and reliabili...

  • Article
  • Open Access
7 Citations
4,320 Views
20 Pages

Providing position and orientation estimations from a two-dimensional (2D) image is challenging, as such images lack depth information between the target and the automation system. This paper proposes a numerical-based monocular positioning method to...

  • Feature Paper
  • Article
  • Open Access
11 Citations
3,258 Views
25 Pages

Computational Assessment of Xanthones from African Medicinal Plants as Aldose Reductase Inhibitors

  • Onikepe Deborah Owoseeni,
  • Rajesh B. Patil,
  • Prajakta M. Phage,
  • Ruth Mosunmola Ogboye,
  • Marcus Durojaye Ayoola,
  • Samson Oluwaseyi Famuyiwa,
  • Felix Olusegun Gboyero,
  • Derek Tantoh Ndinteh and
  • Kolade Olatubosun Faloye

Diabetes mellitus is a life-threatening non-communicable disease that affects all age groups. Despite the increased attention it has received in recent years, the number of diabetic patients has grown exponentially. These increased cases are attribut...

  • Article
  • Open Access
3 Citations
3,496 Views
19 Pages

The aim of the paper is to present a two-step method for facilitating the design of analog amplifiers taking into account the bottom–top approach and utilizing machine learning techniques. The X-chart and a framework describing the specificity...

  • Article
  • Open Access
14 Citations
7,088 Views
19 Pages

Enhancing resiliency in a power grid system is one of the core mandates of electrical distribution companies to provide high-level service. The power resiliency research community has proposed numerous schemes, to detect, classify, and localize fault...

  • Article
  • Open Access
3 Citations
3,459 Views
13 Pages

This paper describes a novel approach to the robotic system’s dexterous manipulator arm design. A simulation model of the robotic system is developed in the MATLAB/Simulink environment. The designed gripper moves the dumbbells from one shelf to...

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Computation - ISSN 2079-3197