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Book
Application of Optimization Algorithms in Chemistry
Authors: --- ---
Year: 2020 Publisher: Frontiers Media SA

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Abstract

This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact


Book
Fractional Order Systems
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ISBN: 3039216090 3039216082 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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This book is focused on fractional order systems. Historically, fractional calculus has been recognized since the inception of regular calculus, with the first written reference dated in September 1695 in a letter from Leibniz to L’Hospital. Nowadays, fractional calculus has a wide area of applications in areas such as physics, chemistry, bioengineering, chaos theory, control systems engineering, and many others. In all those applications, we deal with fractional order systems in general. Moreover, fractional calculus plays an important role even in complex systems and therefore allows us to develop better descriptions of real-world phenomena. On that basis, fractional order systems are ubiquitous, as the whole real world around us is fractional. Due to this reason, it is urgent to consider almost all systems as fractional order systems.


Book
Continuous Casting
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ISBN: 3039213229 3039213210 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Continuous casting is an industrial process whereby molten metal is solidified into a semi-finished billet, bloom, or slab for subsequent rolling in finishing mills; it is the most frequently used process to cast not only steel, but also aluminium and copper alloys. Since its widespread introduction for steel in the 1950s, it has evolved to achieve improved yield, quality, productivity and cost efficiency. It allows lower-cost production of metal sections with better quality, due to the inherently lower costs of continuous, standardized production of a product, as well as providing increased control over the process through automation. Nevertheless, challenges remain and new ones appear, as ways are sought to minimize casting defects and to cast alloys that could originally only be cast via other means. This Special Issue of the journal ""Metals"" consists of 14 research articles that cover many aspects of experimental work and theoretical modelling related to the ongoing development of continuous casting processes.


Book
Engineering Fluid Dynamics 2018
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ISBN: 3039281135 3039281127 Year: 2020 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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“Engineering Fluid Dynamics 2018”. The topic of engineering fluid dynamics includes both experimental as well as computational studies. Of special interest were submissions from the fields of mechanical, chemical, marine, safety, and energy engineering. We welcomed both original research articles as well as review articles. After one year, 28 papers were submitted and 14 were accepted for publication. The average processing time was 37.91 days. The authors had the following geographical distribution: China (9); Korea (3); Spain (1); and India (1). Papers covered a wide range of topics, including analysis of fans, turbines, fires in tunnels, vortex generators, deep sea mining, as well as pumps.

Keywords

fluid structure interaction (FSI) --- numerical methods --- axial gap --- impeller --- radiation noise --- natural ventilation --- ventilation performance --- Computational Fluid Dynamics (CFD) --- experimental research --- hot streak --- disc thickness --- fire --- circumferential groove casing treatment --- blade wrap angle --- sweep and lean --- computational fluid dynamics (CFD) --- OpenFOAM --- gas turbine --- fire propagation --- disc spacing distance --- hydraulic collecting --- thermosyphon --- wind tunnel --- flow control --- source term --- leading edge --- flow around cylinder --- vortex generators --- plug-holing --- noise spectrum --- CGCT-blade integrated optimization --- dimensional analysis --- deep sea mining --- heat transfer --- abnormal blade installation angle --- axial fan --- rotating stall --- optimized design --- orthogonal test --- fluid dynamics --- simulation and modeling --- aerodynamic noise --- centrifugal pump --- suction flow field --- two-stage axial fan --- cavitation inception --- evaporation and condensation --- numerical simulation --- CFD simulation --- aspect ratio --- evacuation --- tunnel slope --- Tesla turbine --- vortex induced vibration (VIV) ratio --- global optimization --- volume of fluid --- blade exit angle --- acoustic energy --- tunnel vehicle fire --- multiphase flow --- distribution characteristic --- unsteady heat release rate --- hydrodynamic response --- manganese nodules exploitation --- isentropic efficiency


Book
Entropy Measures for Data Analysis: Theory, Algorithms and Applications
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ISBN: 3039280333 3039280325 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Entropies and entropy-like quantities play an increasing role in modern non-linear data analysis. Fields that benefit from this application range from biosignal analysis to econophysics and engineering. This issue is a collection of papers touching on different aspects of entropy measures in data analysis, as well as theoretical and computational analyses. The relevant topics include the difficulty to achieve adequate application of entropy measures and the acceptable parameter choices for those entropy measures, entropy-based coupling, and similarity analysis, along with the utilization of entropy measures as features in automatic learning and classification. Various real data applications are given.

Keywords

fault diagnosis --- empirical mode decomposition --- auditory attention --- Dempster-Shafer evidence theory --- simulation --- uncertainty of basic probability assignment --- center of pressure displacement --- particle size distribution --- multivariate analysis --- symbolic analysis --- permutation entropy --- short time records --- co-evolution --- plausibility transformation --- experiment of design --- cross-entropy method --- weighted Hartley entropy --- firefly algorithm --- embedded dimension --- entropy measure --- effective transfer entropy --- treadmill walking --- ordinal patterns --- complex fuzzy set --- entropy visualization --- belief entropy --- signal classification --- machine learning evaluation --- novelty detection --- selfsimilar measure --- Permutation entropy --- automatic learning --- cross wavelet transform --- cross-visibility graphs --- Kolmogorov-Sinai entropy --- distance --- Shannon-type relations --- Tsallis entropy --- market crash --- support vector machine (SVM) --- conditional entropy of ordinal patterns --- sample entropy --- learning --- electroencephalography (EEG) --- meta-heuristic --- entropy --- data transformation --- information entropy --- signal analysis --- synchronization analysis --- similarity indices --- data analysis --- geodesic distance --- auditory attention classifier --- entropy measures --- distance induced vague entropy --- analog circuit --- vague entropy --- complex vague soft set --- entropy balance equation --- parametric t-distributed stochastic neighbor embedding --- global optimization --- learning systems --- image entropy --- algorithmic complexity --- support vector machine --- system coupling --- relevance analysis --- Chinese stock sectors --- Shannon entropy --- linear discriminant analysis (LDA) --- information --- information transfer --- dual-tasking --- non-probabilistic entropy


Book
Evolutionary Computation
Authors: ---
ISBN: 3039219294 3039219286 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Computational intelligence is a general term for a class of algorithms designed by nature's wisdom and human intelligence. Computer scientists have proposed many computational intelligence algorithms with heuristic features. These algorithms either mimic the evolutionary processes of the biological world, mimic the physiological structure and bodily functions of the organism,

Keywords

individual updating strategy --- integrated design --- global optimum --- flexible job shop scheduling problem --- whale optimization algorithm --- EHO --- bat algorithm with multiple strategy coupling (mixBA) --- multi-objective DV-Hop localization algorithm --- optimization --- rock types --- variable neighborhood search --- biology --- average iteration times --- CEC2013 benchmarks --- slicing tree structure --- firefly algorithm (FA) --- benchmark --- single loop --- evolutionary computation --- memetic algorithm --- normal cloud model --- 0-1 knapsack problems --- elite strategy --- diversity maintenance --- material handling path --- artificial bee colony algorithm (ABC) --- urban design --- entropy --- evolutionary algorithms (EAs) --- monarch butterfly optimization --- numerical simulation --- architecture --- set-union knapsack problem --- Wilcoxon test --- convolutional neural network --- global position updating operator --- particle swarm optimization --- computation --- minimum load coloring --- topology structure --- adaptive multi-swarm --- minimum total dominating set --- mutation operation --- shape grammar --- greedy optimization algorithm --- ?-Hilbert space --- genetic algorithm --- large scale optimization --- large-scale optimization --- NSGA-II-DV-Hop --- constrained optimization problems (COPs) --- first-arrival picking --- transfer function --- SPEA 2 --- stochastic ranking (SR) --- wireless sensor networks (WSNs) --- acceleration search --- convergence point --- fuzzy c-means --- evolutionary algorithm --- success rates --- Artificial bee colony --- particle swarm optimizer --- random weight --- range detection --- adaptive weight --- large-scale --- automatic identification --- cloud model --- swarm intelligence --- evolutionary multi-objective optimization --- DV-Hop algorithm --- bat algorithm (BA) --- Friedman test --- quantum uncertainty property --- facility layout design --- local search --- deep learning --- Y conditional cloud generator --- benchmark functions --- discrete algorithm --- dispatching rule --- DE algorithm --- nonlinear convergence factor --- energy-efficient job shop scheduling --- t-test --- evolution --- dimension learning --- global optimization --- confidence term --- elephant herding optimization --- moth search algorithm --- evolutionary


Book
Computational Intelligence for Modeling, Control, Optimization, Forecasting and Diagnostics in Photovoltaic Applications
Authors: ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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This book is a Special Issue Reprint edited by Prof. Massimo Vitelli and Dr. Luigi Costanzo. It contains original research articles covering, but not limited to, the following topics: maximum power point tracking techniques; forecasting techniques; sizing and optimization of PV components and systems; PV modeling; reconfiguration algorithms; fault diagnosis; mismatching detection; decision processes for grid operators.

Keywords

sensor network --- data fusion --- complex network analysis --- fault prognosis --- photovoltaic plants --- ANFIS --- statistical method --- gradient descent --- photovoltaic system --- sustainable development --- PV power prediction --- artificial neural network --- renewable energy --- environmental parameters --- multiple regression model --- moth-flame optimization --- parameter extraction --- photovoltaic model --- double flames generation (DFG) strategy --- Solar cell parameters --- single-diode model --- two-diode model --- COA --- photovoltaic systems --- maximum power point tracking --- single stage grid connected systems --- solar concentrator --- spectral beam splitting --- diffractive optical element --- diffractive grating --- PVs power output forecasting --- adaptive neuro-fuzzy inference systems --- particle swarm optimization-artificial neural networks --- solar irradiation --- photovoltaic power prediction --- publicly available weather reports --- machine learning --- long short-term memory --- integrated energy systems --- smart energy management --- PV fleet --- clustering-based PV fault detection --- unsupervised learning --- self-imputation --- implicit model solution --- photovoltaic array --- series–parallel --- global optimization --- partial shading --- deterministic optimization algorithm --- metaheuristic optimization algorithm --- genetic algorithm --- solar cell optimization --- finite difference time domain --- optical modelling --- thermal image --- photovoltaic module --- hot spot --- image processing --- deterioration --- linear approximation --- MPPT algorithm --- duty cycle --- global horizontal irradiance --- mathematical modeling --- feed-forward neural networks --- recurrent neural networks --- LSTM cell --- performances evaluation --- clear sky irradiance --- persistent predictor --- photovoltaics --- artificial neural networks --- national power system


Book
Evolutionary Algorithms in Engineering Design Optimization
Authors: --- --- --- ---
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Evolutionary algorithms (EAs) are population-based global optimizers, which, due to their characteristics, have allowed us to solve, in a straightforward way, many real world optimization problems in the last three decades, particularly in engineering fields. Their main advantages are the following: they do not require any requisite to the objective/fitness evaluation function (continuity, derivability, convexity, etc.); they are not limited by the appearance of discrete and/or mixed variables or by the requirement of uncertainty quantification in the search. Moreover, they can deal with more than one objective function simultaneously through the use of evolutionary multi-objective optimization algorithms. This set of advantages, and the continuously increased computing capability of modern computers, has enhanced their application in research and industry. From the application point of view, in this Special Issue, all engineering fields are welcomed, such as aerospace and aeronautical, biomedical, civil, chemical and materials science, electronic and telecommunications, energy and electrical, manufacturing, logistics and transportation, mechanical, naval architecture, reliability, robotics, structural, etc. Within the EA field, the integration of innovative and improvement aspects in the algorithms for solving real world engineering design problems, in the abovementioned application fields, are welcomed and encouraged, such as the following: parallel EAs, surrogate modelling, hybridization with other optimization techniques, multi-objective and many-objective optimization, etc.

Keywords

Automatic Voltage Regulation system --- Chaotic optimization --- Fractional Order Proportional-Integral-Derivative controller --- Yellow Saddle Goatfish Algorithm --- two-stage method --- mono and multi-objective optimization --- multi-objective optimization --- optimal design --- Gough–Stewart --- parallel manipulator --- performance metrics --- diversity control --- genetic algorithm --- bankruptcy problem --- classification --- T-junctions --- neural networks --- finite elements analysis --- surrogate --- beam improvements --- beam T-junctions models --- artificial neural networks (ANN) limited training data --- multi-objective decision-making --- Pareto front --- preference in multi-objective optimization --- aeroacoustics --- trailing-edge noise --- global optimization --- evolutionary algorithms --- nearly optimal solutions --- archiving strategy --- evolutionary algorithm --- non-linear parametric identification --- multi-objective evolutionary algorithms --- availability --- design --- preventive maintenance scheduling --- encoding --- accuracy levels --- plastics thermoforming --- sheet thickness distribution --- evolutionary optimization --- genetic programming --- control --- differential evolution --- reusable launch vehicle --- quality control --- roughness measurement --- machine vision --- machine learning --- parameter optimization --- distance-based --- mutation-selection --- real application --- experimental study --- global optimisation --- worst-case scenario --- robust --- min-max optimization --- optimal control --- multi-objective optimisation --- robust design --- trajectory optimisation --- uncertainty quantification --- unscented transformation --- spaceplanes --- space systems --- launchers


Book
Symmetry in Mechanical Engineering
Authors: --- --- ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Recent advancements in mechanical engineering are an essential topic for discussion. The topics relating to mechanical engineering include the following: measurements of signals of shafts, springs, belts, bearings, gears, rotors, machine elements, vibration analysis, acoustic analysis, fault diagnosis, construction, analysis of machine operation, analysis of smart-material systems, integrated systems, stresses, analysis of deformations, analysis of mechanical properties, signal processing of mechanical systems, and rotor dynamics. Mechanical engineering deals with solid and fluid mechanics, rotation, movements, materials, and thermodynamics. This book, with 15 published articles, presents the topic “Symmetry in Mechanical Engineering”. The presented topic is interesting. It is categorized into eight different sections: Deformation; Stresses; Mechanical properties; Tribology; Thermodynamic; Measurement; Fault diagnosis; Machine. The development of techniques and methods related to mechanical engineering is growing every month. The described articles have made a contribution to mechanical engineering. The proposed research can find applications in factories, oil refineries, and mines. It is essential to develop new improved methods, techniques, and devices related to mechanical engineering.

Keywords

traveling waves --- vibration stability --- self-excited vibration --- thin spur gear --- variational mode decomposition --- signal analysis --- time-frequency analysis --- center frequency method of double thresholds --- Hilbert transform --- finite-time control --- terminal sliding mode --- chattering --- neural network --- thin-walled structures --- higher-order deformation modes --- identification --- doubly symmetric cross-sections --- shell-like deformation --- dual mass flywheel --- absolute sensitivity --- relative sensitivity --- torsional vibration --- spring --- Dempster’s rule --- evidence distance --- pattern recognition --- maritime surveillance --- customer needs --- bad parameters --- core problems --- design process --- conceptual design --- time-varying P-type IL method --- MFA control --- imprecise probability --- active control --- piezoelectric cantilever plate --- image processing --- particle --- distribution --- rolling bearings --- Fault diagnosis --- second-order tristable stochastic resonance --- seeker optimization algorithm --- output signal-to-noise ratio --- global optimization --- meta-heuristic --- butterfly optimization algorithm --- cross-entropy method --- engineering design problems --- grinding --- rheology --- breakage parameters --- relative viscosity --- tool wear state --- CNN --- BiLSTM --- attention mechanism --- signal features --- vibrations --- symmetries --- two-engine vehicle --- rear clutch --- front clutch --- vibration modes --- granulation --- on-line monitoring --- fertilizers --- parallel robot --- minimally invasive procedures --- algebraic modeling --- Study parameters --- fractional damping --- vibration --- dynamic behaviour --- hybrid mechanism --- helicopter --- abrasive belt grinding --- predictive model --- regression --- material removal --- electric vehicles --- PMSM --- auxiliary slot --- response surface methodology --- n/a --- Dempster's rule


Book
Optimization Methods Applied to Power Systems Ⅱ
Authors: ---
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Electrical power systems are complex networks that include a set of electrical components that allow distributing the electricity generated in the conventional and renewable power plants to distribution systems so it can be received by final consumers (businesses and homes). In practice, power system management requires solving different design, operation, and control problems. Bearing in mind that computers are used to solve these complex optimization problems, this book includes some recent contributions to this field that cover a large variety of problems. More specifically, the book includes contributions about topics such as controllers for the frequency response of microgrids, post-contingency overflow analysis, line overloads after line and generation contingences, power quality disturbances, earthing system touch voltages, security-constrained optimal power flow, voltage regulation planning, intermittent generation in power systems, location of partial discharge source in gas-insulated switchgear, electric vehicle charging stations, optimal power flow with photovoltaic generation, hydroelectric plant location selection, cold-thermal-electric integrated energy systems, high-efficiency resonant devices for microwave power generation, security-constrained unit commitment, and economic dispatch problems.

Keywords

electricity markets --- economic dispatch --- optimization --- maximum capacity --- online operation --- power system --- unit commitment --- circuit breaker --- network modeling --- optimal power flow --- wind and solar energies --- gas insulated switchgear --- partial discharges --- electromagnetic wave propagation --- UHF measurement --- Security-Constraint Unit Commitment --- sensitivity factors --- user cuts --- power line communication (PLC) --- energy storage management --- vehicle to grid (V2G) --- smart grid --- multi-objective optimization --- population-based intelligent optimization algorithm --- multi-behavior combination --- algorithm framework --- Economic load dispatch (ELD) --- dragonfly algorithm --- metaheuristic --- particle swarm optimization --- cold-thermal-electricity integrated energy system --- multi-energy complementation --- feasible interval of load rate --- multi-objective --- multi time scales --- optimize operation --- earthing --- earthing system --- optimisation --- Ansys Maxwell --- sensitivity analysis --- touch voltage --- non-linear programming --- security-constrained OPF --- preventive control --- corrective control --- post-contingency overflow --- transmission line --- thermal inertia --- Three-phase optimal power flow --- voltage regulation --- distributed generation --- distribution transformer taps --- linear OPF problem --- shift-factors --- line outage distribution factors --- security-constrained --- corrective formulation --- preventive formulation --- klystron --- IOT --- resotrode --- efficiency --- microwave --- bunching --- computer simulation --- global optimization --- power quality disturbances --- classification --- feature selection --- swarm optimization --- support vector machine --- genetic algorithm --- K-NN algorithm --- decision tree --- S-transform --- optimization techniques --- hydroelectric --- renewable energy --- MCDM --- fuzzy theory --- FANP --- TOPSIS --- quadratically constrained quadratic programming --- contingency constrained optimal power flow --- isolated hybrid microgrid system (IHμGS) --- solar tower (ST) --- biodiesel power generator (BDPG) --- frequency regulation --- butterfly optimization technique (BOA) --- microgrid energy management --- electric vehicle --- microgrid --- energy efficiency

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