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Creating a cost-effective network of operational resources for wireless networks

AIP Conference Proceedings 2023年第1期2523卷

作者： Venkateshwara Prasad Bhadrappa Haralayya R. Aruna Jayashree A. Kethsy Prabavathy S. Selvarasu 1Department of Management Studies Sri Sairam Engineering College Chennai Tamil Nadu India. 2Department of Management Studies Lingaraj Appa Engineering College Bidar Karnataka India. 3Department of Electronics and Communication Engineering Rajalakshmi Institute of Technology Chennai Tamil Nadu India. 4Department of Computer Science and Engineering Karunya Institute of Technology and Sciences Coimbatore Tamil Nadu India. 5Department of Electronics and Communication Engineering Muthayammal Engineering College Tamil Nadu India

Wireless Sensor Networks (WSNs) gives human civilization a stunning and clever landscape. Connections between different sensors also strategies in the Internet of Things (IoT) contribute to high energy feasting. Study into liveliness conservation and methods of energy-saving are also important. Sustainability in an energy-efficient way due to the sensors' partial power is important for wireless sensors in an IoT network. This paper aims to analyze an IoT network of remote monitoring and access points. Wireless battery charging power delivery methods are getting more mature. The electrical power supply is operated by a charging car for wireless sensors. The data sharing of the IoT network situation is a minimization challenge to conserve electric energy. A three-stage process obtains the solution. A Reboot Artificial Bee Community (RABC) approach is proposed to solve the sub-problems of the data transfer model. The RABC approach has been shown to converge asymptotically to the optimization process. computer modelling demonstrates that energy consumption can be reduced with a strong, robust function using the proposed approach in the intentional network scenario.

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The role of Gouy phase on the mechanical effects of Laguerre-Gaussian light interacting with atoms

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AIP Conference Proceedings 2016年第1期1742卷

作者： V. E. Lembessis M. Babiker D. Ellinas 1Department of Physics-Astronomy College of Science King Saud University Saudi Arabia 2Department of Physics University of York Heslington York YO10 5DD United Kingdom 3Technical University of Crete Department of Electronic Computer Engineering QLab GR 73 100 Chania Crete Greece

We consider the case of Laguerre-Gaussian (LG) light with high values of radial index, p, and/or winding number l, focussing on the effects of the Gouy phase together with other phase contributions due to the curvature in a Laguerre Gaussian beam when it interacts with atoms at near resonance. We show here that these phase anomalies amount to a significant reduction of the axial wavevector and thus lead to additional contributions to the phase gradient in the vicinity of the focus plane. In consequence, the axial recoil effects due to the stimulated emission and absorption of light by the atom become smaller. This has important effects on the dissipative axial forces acting on the atom, on the momentum fluctuations associated with the photon absorption and stimulated emission and on diffraction of atoms through light masks created by LG beams.

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An application of the frequency-based matrix converter used in a wind energy conversion system using a synchronous generator with synchronous variable-speed, pulse width modulation technique

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AIP Conference Proceedings 2022年第1期2519卷

作者： V. Senthil Nayagam E. Fantin Irudaya Raj A. Sasireka M. Kumarasamy S. K. Dinesh Kumar Ram Subbiah G. Pavithra 1Department of Electrical and Electronics Engineering College Sathyabama Institute of Science and Technology Tamilnadu India 2Department of Electrical and Electronics Engineering Dr. Sivanthi Aditanar College of Engineering Tamilnadu India 3Department of Mathematics PSNA College of Engineering and Technology Dindigul Tamilnadu India 4Department of Computer Science College of Engineering and Technology Wollega University Nekemte Ethopia 5Department of Mechanical Engineering Sri Sairam Engineering Chennai Tamilnadu India 6Department of Mechanical Engineering Gokaraju Rangaraju Institute of Engineering and Technology Hyderabad India 7Department of Electronics & Communication Engineering Dayananda Sagar College of Engineering (DSCE) Bangalore India

An alternative source is growing in popularity with increasing global energy use and perceivable environmental degradation everywhere in the universe. The growth of wind farms necessitates system stability analysis, which incorporates dynamical distributed generation models. Doubly fed induction machines are widely used in the context of turbines of power higher than 1MW. However, direct-drive wind turbines that use synchronous generator principles have gained significant market penetration. This investigation implements a synchronous generator model using a frequency-based matrix converter with the assistance of an SVPWM method, which measures stator as grid voltage/current and analyses total THD. Converting the fluctuating voltages to something like a stable value using a frequency-based method is done with a matrix converter.

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Erratum: “Efficient and broadband polarization rotator using horizontal slot waveguide for silicon photonics [Appl. Phys. Lett. 101, 021105 (2012)]”

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Applied Physics Letters 2012年第13期101卷

作者： Huijuan Zhang Suchandrima Das Ying Huang Chao Li Shiyi Chen Haifeng Zhou Mingbin Yu Patrick Guo-Qiang Lo John T. L. Thong 1Institute of Microelectronics A*STAR (Agency for Science Technology and Research) 11 Science Park Road Science Park II 117685 Singapore 2Department of Electrical and Computer Engineering National University of Singapore 117576 Singapore 3Advanced Micro Devices Singapore 469032 Singapore

There is one co-author missed in the author list in the original paper.1 The following is the complete list of authors:

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Natural convection flow of nanofluids over horizontal circular cylinder with uniform surface heat flux

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AIP Conference Proceedings 2021年第1期2324卷

作者： Sadia Afsana Preetom Nag Md Mamun Molla Sharaban Thohura 1Department of Electrical and Computer Engineering North South University Dhaka 1229 Bangladesh 2Department of Mathematics and Physics North South University Dhaka 1229 Bangladesh 3Center for Applied Scientific Computing North South University Dhaka 1229 Bangladesh 4Department of Mathematics Jagannath University Dhaka 1100 Bangladesh

The behavior of natural convection laminar flow of Nanofluids over a horizontal circular cylinder with uniform surface heat flux has been examined. In this study, Copper-Water (Cu-H2O) nanofluid has been chosen with different volume fractions ranging from 0% to 10%. In the present study, the governing boundary layer equations are converted into a dimensionless form, and the resultant non-dimensional set of equations has been transformed into a parabolic system of partial differential equations by applying a specific set of variables. The set of parabolic equations has been numerically solved using an implicit finite difference method. The outcomes of the numerical simulation have been compared and validated with an excellent agreement with the previously published work. The numerical results have been depicted in terms of the velocity and temperature profiles. Finally, the skin friction coefficient (Cf) and the local Nusselt number (Nu) has been outlined to understand the feature of the wall shear stress and the surface heat transfer rate, respectively.

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Functional voxel representation of the Voronoi diagram as a tool for analyzing the structure of interparticle space

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AIP Conference Proceedings 2022年第1期2503卷

作者： Mikhail Loktev 1Laboratory of Computer Graphics V. A. Trapeznikov Institute of Control Sciences of Russian Academy of Sciences 65 Profsoyuznaya street Moscow 117997 Russia 2Department of Engineering Graphics Moscow State Technological University “STANKIN” Vadkovsky Pereulok 3a. 127055 Moscow Russia

The article discusses an approach to research in the field of interpore space analysis, which is primarily geometric in nature. The method of functional-voxel modeling is used as a basic geometric tool, since it allows you to form graphic M-images (model image) of any dimension. For the analytical representation of the geometry and Voronoi diagram of the model, the mathematical apparatus of R-functions (Rvachev functions) is used. A software implementation of the proposed approaches for constructing a Voronoi diagram in three-dimensional space will be presented.

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Pulmonary X-ray images. A fractal analysis

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AIP Conference Proceedings 2020年第1期2218卷

作者： Mihai-Virgil Nichita Maria-Alexandra Paun Vladimir-Alexandru Paun Viorel-Puiu Paun 1Doctoral School Faculty of Applied Sciences University POLITEHNICA of Bucharest Romania 2Department of Engineering Swiss Federal Institute of Technology (EPFL) Lausanne Switzerland 3Computer Science and Systems Engineering Department Ecole Nationale Superiore de Techniques Avancées (ENSTA) ParisTech Paris France 4Physics Department Faculty of Applied Sciences University POLITEHNICA of Bucharest Romania

A method of analyzing human pulmonary X-rays using a few software procedures to process the images will be presented. Photographs of the lungs were investigated and images of the arteries were illustrated, successfully extracting the shadows due to the ribs and the lung itself through an advanced algorithm. This paper presents a solution for processing and interpretation of pulmonary X-ray images in order to deploy a better fractal analysis, to find out the fractal dimension and lacunarity for arteries network.

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Bifurcation in the chemotactic behavior of Physarum plasmodium

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AIP Conference Proceedings 2017年第1期1863卷

作者： Tomohiro Shirakawa Yukio-Pegio Gunji Hiroshi Sato Hiroto Tsubakino 1Department of Computer Science School of Electrical and Computer Engineering National Defense Academy of Japan 1-10-20 Hashirimizu Yokosuka Kanagawa 239-8686 Japan 2Department of Intermedia Studies Graduate School of Fundamental Science and Engineering Waseda University 3-4-1 Okubo Shinjuku-ku Tokyo 169-8555 Japan 3Department of Intermedia Art and Science School of Fundamental Science and Engineering Waseda University 3-4-1 Okubo Shinjuku-ku Tokyo 169-8555 Japan

The plasmodium of true slime mold Physarum polycephalum is a unicellular and multinuclear giant amoeba. Since the cellular organism has some computational abilities, it is attracting much attention in the field of information science. However, previous studies have mainly focused on the optimization behavior of the plasmodium for a single-modality stimulus, and there are few studies on how the organism adapts to multi-modal stimuli. We stimulated the plasmodium with mixture of attractant and repellent stimuli, and we observed bifurcation in the chemotactic behavior of the plasmodium.

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Exchange rate analysis by nonlinear time series method

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AIP Conference Proceedings 2020年第1期2218卷

作者： Dragos-Alin Dragomir Maria-Alexandra Paun Vladimir-Alexandru Paun Viorel-Puiu Paun 1Doctoral School Faculty of Applied Sciences University POLITEHNICA of Bucharest Romania 2Department of Engineering Swiss Federal Institute of Technology (EPFL) Lausanne Switzerland 3Computer Science and Systems Engineering Department Ecole Nationale Superiore de Techniques Avancées (ENSTA) ParisTech Paris France 4Physics Department Faculty of Applied Sciences University POLITEHNICA of Bucharest Romania

A financial data analysis using the time series method has been performed. At the same time a correct interpretation of daily exchange rates fluctuations, for Eur foreign currencies is presented. The fractal dimension evaluation has been performed using the box-counting method, which allows for a rapid analysis of 2D images on two bits (white-black). A perfected version of this method has been employed to investigate the temporal evolution of a currency rate, which has oscillations predominantly on the vertical direction.

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Multiswarm PSO with supersized swarms - Initial performance study

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AIP Conference Proceedings 2016年第1期1738卷

作者： Michal Pluhacek Roman Senkerik Ivan Zelinka 1Tomas Bata University in Zlín Faculty of Applied Informatics Department of Informatics and Artificial Intelligence nám. T.G. Masaryka 5555 760 01 Zlín CZECH REPUBLIC 2Department of Computer Science Faculty of Electrical Engineering and Computer Science VB-TUO 17. listopadu 15 708 33 Ostrava-Poruba Czech Republic

In this paper it is discussed and briefly experimentally investigated the performance of multi-swarm PSO with super-sized swarms. The selection of proper population size is crucial for successful PSO using. This work ...

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