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Book
Untersuchung des Kommunikationsintervalls bei der gekoppelten Simulation
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ISBN: 1000021208 386644611X Year: 2011 Publisher: KIT Scientific Publishing

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Abstract

Die gekoppelte Simulation ist eine Möglichkeit, mechatronische Systeme in der Simulation abzubilden. In der vorliegenden Arbeit wird die gekoppelte Simulation unter Matlab/Simulink beschrieben und eine Möglichkeit aufgezeigt, das Kommunikationsintervall bei der gekoppelten Simulation unter Berücksichtigung der beteiligten Teilsysteme zu bestimmen. Die erarbeitete Handlungsvorschrift wird an Beispielen aus dem Bereich der mobilen Arbeitsmaschinen verifiziert.


Dissertation
Analyse de la gestion de la recharge d'un parc de véhicules électriques et du surplus éventuel d'énergie produite à partir d'ombrières photovoltaïques
Authors: --- --- --- ---
Year: 2019 Publisher: Liège Université de Liège (ULiège)

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Les impératifs écologiques imposent des changements de pratiques et la mobilité électrique remplit les critères de réduction des émissions de gaz à effet de serre. Ces véhicules doivent être rechargés et ce de manière intelligente afin de satisfaire aux exigences environnementales et aux préférences de chaque acteur, les gestionnaires des réseaux de distribution et de transmission, le conducteur du véhicule ou le gestionnaire de flotte. Ce travail analyse de manière globale les composantes d’une recharge de véhicule et aborde une technique de contrôle des recharges : la commande prédictive.


Book
Small-Scale Energy Systems with Gas Turbines and Heat Pumps
Author:
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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A heat pump system can produce an amount of heat energy that is greater than the amount of energy used to run the heat pump system. Thus, a heat pump system is considered to be a machine system that can use energies efficiently, as is the load leveling air-conditioning system utilizing unutilized energies at high levels. Adaptations of gas turbines for industrial, utility, and marine-propulsion applications have long been accepted as means for generating power with high efficiency and ease of maintenance. Cogeneration with gas turbine is frequently defined as the sequential production of useful thermal energy and shaft power from a single energy source. For applications that generate electricity, the power can either be used internally or supplied to the utility grid. This Special Issue intends to provide an overviews of the existing knowledge related with various aspects of “Small-Scale Energy Systems with Gas Turbines and Heat Pumps”, and contributions on, but not limited to the following subjects were encouraged: wake of stator vane to improve sealing effectiveness; gas turbine cycle with external combustion chamber for prosumer and distributed energy systems; computational simulation of gas turbine engine operating with different blends of biodiesel; experimental methodology and facility for the engine performance and emissions evaluation using jet and biodiesel blends; experimental analysis of an air heat pump for heating service; hybrid fuel cell-Brayton cycle for combined heat and power; design analysis of micro gas turbines in closed cycles. Seven papers were published in the Special Issue out of a total of 12 submitted.

Keywords

History of engineering & technology --- wave-shaped rim seal --- sealing effectiveness --- radial seal --- gas turbine --- computational fluid dynamics --- biofuels --- sustainable power generation --- microturbines --- gas turbine engine --- two-spool turboprop engine --- PT6A engine --- aero-thermal model --- Matlab-Simulink --- bio-diesel --- start-up transient --- biodiesel --- turbojet --- energy performance --- emissions --- aviation --- hardware-in-the-loop --- heat pumps --- dynamic simulation --- experimental performances --- control strategy --- partial loads --- on-off cycles --- building dynamics --- building-heating system coupling --- supercritical CO2 --- combined heat and power --- flame-assisted fuel cells --- carbon sequestration --- solid oxide fuel cell --- closed cycle gas turbine --- different working fluids --- thermodynamic analysis --- design of turbines --- design of compressors --- wave-shaped rim seal --- sealing effectiveness --- radial seal --- gas turbine --- computational fluid dynamics --- biofuels --- sustainable power generation --- microturbines --- gas turbine engine --- two-spool turboprop engine --- PT6A engine --- aero-thermal model --- Matlab-Simulink --- bio-diesel --- start-up transient --- biodiesel --- turbojet --- energy performance --- emissions --- aviation --- hardware-in-the-loop --- heat pumps --- dynamic simulation --- experimental performances --- control strategy --- partial loads --- on-off cycles --- building dynamics --- building-heating system coupling --- supercritical CO2 --- combined heat and power --- flame-assisted fuel cells --- carbon sequestration --- solid oxide fuel cell --- closed cycle gas turbine --- different working fluids --- thermodynamic analysis --- design of turbines --- design of compressors


Book
Advances in the Field of Electrical Machines and Drives
Author:
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Electrical machines and drives dominate our everyday lives. This is due to their numerous applications in industry, power production, home appliances, and transportation systems such as electric and hybrid electric vehicles, ships, and aircrafts. Their development follows rapid advances in science, engineering, and technology. Researchers around the world are extensively investigating electrical machines and drives because of their reliability, efficiency, performance, and fault-tolerant structure. In particular, there is a focus on the importance of utilizing these new trends in technology for energy saving and reducing greenhouse gas emissions. This Special Issue will provide the platform for researchers to present their recent work on advances in the field of electrical machines and drives, including special machines and their applications; new materials, including the insulation of electrical machines; new trends in diagnostics and condition monitoring; power electronics, control schemes, and algorithms for electrical drives; new topologies; and innovative applications.

Keywords

Technology: general issues --- History of engineering & technology --- fault size --- inter-laminar fault --- localized losses --- thermographic measurement --- thermal-electric coupling --- axial flux --- demagnetization --- finite element analysis --- permanent magnet --- static eccentricity --- synchronous generator --- power loss minimization --- speed control drive systems --- efficiency measurement --- IPMSM --- additive manufacturing --- three-dimensional printing --- topology optimization --- magnetic materials --- soft magnetic materials --- permanent magnets --- electrical machines --- torque ripple --- 6th harmonic --- induction motor --- AC machine --- PWM inverter --- space phasor modulation --- electric motor --- interior permanent magnet --- reluctance --- MMF-permeance --- winding function --- predictive maintenance --- digital twin --- artificial intelligence --- Industry 4.0 --- data handling --- life cycle --- electric machines --- electromagnetic analysis --- electromagnetic measurements --- core losses --- rotor flux linkage --- modular stator --- oriented steel --- flux-injecting probes --- insulation system --- partial discharges --- capacitive model --- MATLAB/Simulink --- flashover voltage --- epoxy resin --- matrix-converter --- input AC filter design --- PMSM --- predictive control --- electrical drives --- energy efficiency --- energy-saving --- power quality --- current signals --- stray flux signals --- LDA --- automatic fault diagnosis --- broken rotor bars --- soft-starters --- fault size --- inter-laminar fault --- localized losses --- thermographic measurement --- thermal-electric coupling --- axial flux --- demagnetization --- finite element analysis --- permanent magnet --- static eccentricity --- synchronous generator --- power loss minimization --- speed control drive systems --- efficiency measurement --- IPMSM --- additive manufacturing --- three-dimensional printing --- topology optimization --- magnetic materials --- soft magnetic materials --- permanent magnets --- electrical machines --- torque ripple --- 6th harmonic --- induction motor --- AC machine --- PWM inverter --- space phasor modulation --- electric motor --- interior permanent magnet --- reluctance --- MMF-permeance --- winding function --- predictive maintenance --- digital twin --- artificial intelligence --- Industry 4.0 --- data handling --- life cycle --- electric machines --- electromagnetic analysis --- electromagnetic measurements --- core losses --- rotor flux linkage --- modular stator --- oriented steel --- flux-injecting probes --- insulation system --- partial discharges --- capacitive model --- MATLAB/Simulink --- flashover voltage --- epoxy resin --- matrix-converter --- input AC filter design --- PMSM --- predictive control --- electrical drives --- energy efficiency --- energy-saving --- power quality --- current signals --- stray flux signals --- LDA --- automatic fault diagnosis --- broken rotor bars --- soft-starters


Book
Performance of Induction Machines
Author:
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Induction machines are one of the most important technical applications for both the industrial world and private use. Since their invention (achievements of Galileo Ferraris, Nikola Tesla, and Michal Doliwo-Dobrowolski), they have been widely used in different electrical drives and as generators, thanks to their features such as reliability, durability, low price, high efficiency, and resistance to failure. The methods for designing and using induction machines are similar to the methods used in other electric machines but have their own specificity. Many issues discussed here are based on the fundamental achievements of authors such as Nasar, Boldea, Yamamura, Tegopoulos, and Kriezis, who laid the foundations for the development of induction machines, which are still relevant today. The control algorithms are based on the achievements of Blaschke (field vector-oriented control) and Depenbrock or Takahashi (direct torque control), who created standards for the control of induction machines. Today’s induction machines must meet very stringent requirements of reliability, high efficiency, and performance. Thanks to the application of highly efficient numerical algorithms, it is possible to design induction machines faster and at a lower cost. At the same time, progress in materials science and technology enables the development of new machine topologies. The main objective of this book is to contribute to the development of induction machines in all areas of their applications.

Keywords

Technology: general issues --- History of engineering & technology --- LIM --- slip frequency --- linear induction motor --- automatic train operation --- rotor field-oriented angle error --- indirect rotor field-oriented control --- induction machine drives --- model-based prediction --- linear induction motors --- finite element analysis --- end effect --- induction machines --- electrical machines --- thermal modeling --- soft magnetic material --- thermal conductivity --- induction motor --- solid rotor --- effective parameters --- finite element method --- modelling of ring induction motors --- Monte Carlo method --- accurate modelling --- induction machine --- electromagnetic models --- model selection --- optimization --- artificial neural networks --- pattern search --- evolutionary strategy --- simulated annealing --- artificial neural network --- fourth central moment --- homogeneity analysis --- induction motors --- mechanical unbalance --- one broken rotor bar --- outer-race bearing fault --- startup transient current --- two broken rotor bars --- three-phase induction motor --- squirrel-cage rotor --- energy efficiency --- motor performance --- dynamic model --- Matlab/Simulink --- rotor winding --- stator winding --- LIM --- slip frequency --- linear induction motor --- automatic train operation --- rotor field-oriented angle error --- indirect rotor field-oriented control --- induction machine drives --- model-based prediction --- linear induction motors --- finite element analysis --- end effect --- induction machines --- electrical machines --- thermal modeling --- soft magnetic material --- thermal conductivity --- induction motor --- solid rotor --- effective parameters --- finite element method --- modelling of ring induction motors --- Monte Carlo method --- accurate modelling --- induction machine --- electromagnetic models --- model selection --- optimization --- artificial neural networks --- pattern search --- evolutionary strategy --- simulated annealing --- artificial neural network --- fourth central moment --- homogeneity analysis --- induction motors --- mechanical unbalance --- one broken rotor bar --- outer-race bearing fault --- startup transient current --- two broken rotor bars --- three-phase induction motor --- squirrel-cage rotor --- energy efficiency --- motor performance --- dynamic model --- Matlab/Simulink --- rotor winding --- stator winding


Book
Industry 4.0 for SMEs - Smart Manufacturing and Logistics for SMEs
Authors: ---
Year: 2020 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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In recent years, the industrial environment has been changing radically due to the introduction of concepts and technologies based on the fourth industrial revolution, also known as Industry 4.0. After the introduction of Industry 4.0 in large enterprises, SMEs have moved into the focus, as they are the backbone of many economies. Small organizations are increasingly proactive in improving their operational processes, which is a good starting point for introducing the new concepts of Industry 4.0. The readiness of SME-adapted Industry 4.0 concepts and the organizational capability of SMEs to meet this challenge exist only in some areas. This reveals the need for further research and action plans for preparing SMEs in a technical and organizational direction. Therefore, special research and investigations are needed for the implementation of Industry 4.0 technologies and concepts in SMEs. SMEs will only achieve Industry 4.0 by following SME-customized implementation strategies and approaches and realizing SME-adapted concepts and technological solutions. Thus, this Special Issue represents a collection of theoretical models as well as practical case studies related to the introduction of Industry 4.0 concepts in small- and medium-sized enterprises.

Keywords

History of engineering & technology --- latent semantic analysis --- virtual quality management --- concept investigation --- concept disambiguation --- knowledge discovery --- sustainable methodologies --- small and medium sized enterprises --- material handling systems --- simulation --- ARENA®, time study --- overall equipment effectiveness --- manufacturing performance --- Industry 4.0 --- manufacturing sustainability --- manufacturing process model --- business process management --- hierarchical clustering --- similarity --- BPMN --- human factors --- cyber-physical systems --- cyber-physical production systems --- anthropocentric design --- Operator 4.0 --- human–machine interaction --- energy efficient operation --- manufacturing system --- stochastic event --- digital twin --- Max-plus Algebra --- MATLAB-Simulink --- advanced manufacturing --- industry 4.0 --- SME --- technology adoption model --- assembly supply chain --- sustainability --- complexity indicators --- testing criteria --- SMEs --- e-business modelling --- LSP Lifecycle Model --- Quality Function Deployment --- Best-Worst Method --- Internet of Things --- India --- awareness --- small and medium-sized enterprises --- assessment model --- collaborative robotics --- physical ergonomics --- human-robot collaboration --- human-centered design --- assembly --- small and medium sized enterprise --- positive complexity --- negative complexity --- infeasible configurations --- product platform --- customer’s perception --- assessment --- field study --- smart manufacturing --- cloud platform --- artificial intelligence --- machine learning --- deep learning --- smart logistics --- logistics 4.0 --- smart technologies --- sustainable agriculture --- plant factory --- latent semantic analysis --- virtual quality management --- concept investigation --- concept disambiguation --- knowledge discovery --- sustainable methodologies --- small and medium sized enterprises --- material handling systems --- simulation --- ARENA®, time study --- overall equipment effectiveness --- manufacturing performance --- Industry 4.0 --- manufacturing sustainability --- manufacturing process model --- business process management --- hierarchical clustering --- similarity --- BPMN --- human factors --- cyber-physical systems --- cyber-physical production systems --- anthropocentric design --- Operator 4.0 --- human–machine interaction --- energy efficient operation --- manufacturing system --- stochastic event --- digital twin --- Max-plus Algebra --- MATLAB-Simulink --- advanced manufacturing --- industry 4.0 --- SME --- technology adoption model --- assembly supply chain --- sustainability --- complexity indicators --- testing criteria --- SMEs --- e-business modelling --- LSP Lifecycle Model --- Quality Function Deployment --- Best-Worst Method --- Internet of Things --- India --- awareness --- small and medium-sized enterprises --- assessment model --- collaborative robotics --- physical ergonomics --- human-robot collaboration --- human-centered design --- assembly --- small and medium sized enterprise --- positive complexity --- negative complexity --- infeasible configurations --- product platform --- customer’s perception --- assessment --- field study --- smart manufacturing --- cloud platform --- artificial intelligence --- machine learning --- deep learning --- smart logistics --- logistics 4.0 --- smart technologies --- sustainable agriculture --- plant factory

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