Active sound and vibration control / Osman Tokhi

Public ISBD Titre : Active sound and vibration control : theory and application Type de document : texte imprimé Auteurs : Osman Tokhi, Auteur ; Sandor Veres, Auteur Editeur : London : The Institution of Electrical Engineers Année de publication : 2002 Collection : IEE Control Engineering Series 62 Importance : 426 p. Présentation : couv. ill. en en coul Format : 23,7 cm. ISBN/ISSN/EAN : 978-0-85296-038-7 Langues : Anglais (eng) Catégories : ACOUSTIQUE Index. décimale : 26-05 Acoustique industrielle Résumé : This book presents the established fundamentals in the area of active sound and vibration control (ASVC) as well as exploring the new and emerging technologies and techniques. There has been a considerable amount of effort devoted to the development and realisation of methodologies for the control of sound and vibration, and this book covers the latest theoretical, algorithmic and practical applications including: noise control in 3D propagation, adaptive algorithms, prediction, processing and tuning, neuro-active control, control of microvibrations, and noise reduction in locomotives and vehicles. Topics discussed include multichannel active noise control, adaptive harmonic control, model-free iterative tuning, model-based control design for active vibration control (AVC), ASVC using neural networks, genetic algorithms for ASVC systems, and active noise control (ANC) around the human head. The authors also discuss active control of microvibrations, vibration control of manipulators, and techniques of real-time processing. This book will be essential reading for electrical, mechanical and control engineers, designers and researchers, interested in noise and vibration control. Note de contenu : Contents I Review of fundamentals 1 An overview of ASVC: from laboratory curiosity to commercial products 1.2 Active Noise Control 1.3 Active Control of Vibrations 2 ANC in three-dimensional propagation 2.2 Active noise control structure 2.4 Limitations in the controller design 2.5 System stability 3 Adaptive methods in active control 3.2 Feedforward control 3.4 Internal model control II Recent algorithmic developments 4 Multichannel active noise control: stable adaptive algorithms 4.3 Structure and Algorithms 4.4 Identification-based adaptive control in case 4.5 Experimental results using the proposed adaptive algorithms 5 Adaptive harmonic control: tuning in the frequency domain 5.3 A frequency selective RLS solution 5.4 A frequency selective LMS solution 5.5 Simulation example 6 Model-free iterative tuning 6.2 The online tuning scheme 6.3 The online FSF tuning scheme 6.4 Simulations 7 Model-based control design for AVC 7.3 H[subscript infinity] controller optimisation under model uncertainty 7.5 Identification of empirical models for control 8 ANVC using neural networks 8.2 Neural networks 8.3 Neuro-active noise control 8.4 Implementations and results 9 Genetic algorithms for ASVC systems 9.2 The genetic algorithm 9.3 Control source location optimisation example 9.4 Example of control filter weight optimisation III Applications 10 ANC Around a human's head 10.2 Outline of the system 10.3 Simulation 11 Active Control of Microvibrations 11.2 System description and modelling 11.4 Control systems design 11.5 Robustness analysis 12 Vibration control of manipulators 12.2 The flexible manipulator system 12.3 Open-loop control 12.4 Switching surface and variable structure control 12.5 Adaptive joint-based collocated control 12.6 Adaptive inverse-dynamic active control 13 ANC in an electric locomotive 13.2 Noise sources in electric trains 13.3 Locomotive noise characterisation 13.4 Generalities of active control approaches for cabin noise reduction 13.5 Noise control at source 13.6 A target noise control strategy 13.7 Main results of the field experimentation 14 ANC for road noise attenuation 14.2 Constraint multiple filtered-x LMS algorithm 14.3 Constraint XLMS algorithm using an IIR-based filter 14.4 Experimental results 15 Techniques for real-time processing 15.2 The cantilever beam system 15.3 Active vibration control 15.4 Hardware architectures 15.5 Software support 15.6 Partitioning and mapping of algorithms 15.7 The combined simulation, identification and control algorithm -Index Active sound and vibration control : theory and application [texte imprimé] / Osman Tokhi, Auteur ; Sandor Veres, Auteur . - London : The Institution of Electrical Engineers, 2002 . - 426 p. : couv. ill. en en coul ; 23,7 cm.. - (IEE Control Engineering Series 62) . ISBN : 978-0-85296-038-7 Langues : Anglais (eng) Catégories : ACOUSTIQUE Index. décimale : 26-05 Acoustique industrielle Résumé : This book presents the established fundamentals in the area of active sound and vibration control (ASVC) as well as exploring the new and emerging technologies and techniques. There has been a considerable amount of effort devoted to the development and realisation of methodologies for the control of sound and vibration, and this book covers the latest theoretical, algorithmic and practical applications including: noise control in 3D propagation, adaptive algorithms, prediction, processing and tuning, neuro-active control, control of microvibrations, and noise reduction in locomotives and vehicles. Topics discussed include multichannel active noise control, adaptive harmonic control, model-free iterative tuning, model-based control design for active vibration control (AVC), ASVC using neural networks, genetic algorithms for ASVC systems, and active noise control (ANC) around the human head. The authors also discuss active control of microvibrations, vibration control of manipulators, and techniques of real-time processing. This book will be essential reading for electrical, mechanical and control engineers, designers and researchers, interested in noise and vibration control. Note de contenu : Contents I Review of fundamentals 1 An overview of ASVC: from laboratory curiosity to commercial products 1.2 Active Noise Control 1.3 Active Control of Vibrations 2 ANC in three-dimensional propagation 2.2 Active noise control structure 2.4 Limitations in the controller design 2.5 System stability 3 Adaptive methods in active control 3.2 Feedforward control 3.4 Internal model control II Recent algorithmic developments 4 Multichannel active noise control: stable adaptive algorithms 4.3 Structure and Algorithms 4.4 Identification-based adaptive control in case 4.5 Experimental results using the proposed adaptive algorithms 5 Adaptive harmonic control: tuning in the frequency domain 5.3 A frequency selective RLS solution 5.4 A frequency selective LMS solution 5.5 Simulation example 6 Model-free iterative tuning 6.2 The online tuning scheme 6.3 The online FSF tuning scheme 6.4 Simulations 7 Model-based control design for AVC 7.3 H[subscript infinity] controller optimisation under model uncertainty 7.5 Identification of empirical models for control 8 ANVC using neural networks 8.2 Neural networks 8.3 Neuro-active noise control 8.4 Implementations and results 9 Genetic algorithms for ASVC systems 9.2 The genetic algorithm 9.3 Control source location optimisation example 9.4 Example of control filter weight optimisation III Applications 10 ANC Around a human's head 10.2 Outline of the system 10.3 Simulation 11 Active Control of Microvibrations 11.2 System description and modelling 11.4 Control systems design 11.5 Robustness analysis 12 Vibration control of manipulators 12.2 The flexible manipulator system 12.3 Open-loop control 12.4 Switching surface and variable structure control 12.5 Adaptive joint-based collocated control 12.6 Adaptive inverse-dynamic active control 13 ANC in an electric locomotive 13.2 Noise sources in electric trains 13.3 Locomotive noise characterisation 13.4 Generalities of active control approaches for cabin noise reduction 13.5 Noise control at source 13.6 A target noise control strategy 13.7 Main results of the field experimentation 14 ANC for road noise attenuation 14.2 Constraint multiple filtered-x LMS algorithm 14.3 Constraint XLMS algorithm using an IIR-based filter 14.4 Experimental results 15 Techniques for real-time processing 15.2 The cantilever beam system 15.3 Active vibration control 15.4 Hardware architectures 15.5 Software support 15.6 Partitioning and mapping of algorithms 15.7 The combined simulation, identification and control algorithm -Index

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Adaptive prediction and predictive control / Partha Pratim Kanjilal

Public ISBD Titre : Adaptive prediction and predictive control Type de document : texte imprimé Auteurs : Partha Pratim Kanjilal, Auteur Editeur : London : The Institution of Electrical Engineers Année de publication : 1995 Collection : IEE Control Engineering Series 52 Importance : 518 p. Présentation : couv. ill. en coul., ill. Format : 24,4 cm. ISBN/ISSN/EAN : 978-0-86341-193-9 Langues : Anglais (eng) Catégories : AUTOMATISME Index. décimale : 25-07 Théorie de la commande: commandes des processus Résumé : Control often follows predictions: predictive control has been highly successful in producing robust and practical solutions in many real-life, real-time applications. Adaptive prediction covers a variety of ways of adding 'intelligence' to predictive control techniques. Many different groups, with widely varying disciplinary backgrounds and approaches, are tackling the same problem from different angles; these groups are sometimes unaware of alternative approaches from other disciplines. This book attempts to give a unified and comprehensive coverage of the principles and methods that these groups have developed. It avoids basing its descriptions on very complex mathematical formulations but still gives a rigorous exposure to the subject, and illustrates the theory with many practical examples. It is chiefly aimed at students, researchers and practitioners, but will also be accessible to the non-specialist. Note de contenu : contents: Chapter 1: Introduction Chapter 2: Process models Chapter 3: Parameter estimation Chapter 4: Some popular methods of prediction Chapter 5: Adaptive prediction using transfer-function models Chapter 6: Kalman filter and state-space approaches Chapter 7: Orthogonal transformation and modelling of periodic series Chapter 8: Modellong of nonlinear processes: an introduction Chapter 9: Modelling of nonlinear processes using GMDH Chapter 10: Modelling and prediction of nonlinear processes using neural networks Chapter 11: Modelling and prediction of quasiperiodic series Chapter 12: Predictive control (Part-I): input-output model based Chapter 13: Predictive control (Part-II): state-space model based Chapter 14: Smoothing and filtering Appendices Adaptive prediction and predictive control [texte imprimé] / Partha Pratim Kanjilal, Auteur . - London : The Institution of Electrical Engineers, 1995 . - 518 p. : couv. ill. en coul., ill. ; 24,4 cm.. - (IEE Control Engineering Series 52) . ISBN : 978-0-86341-193-9 Langues : Anglais (eng) Catégories : AUTOMATISME Index. décimale : 25-07 Théorie de la commande: commandes des processus Résumé : Control often follows predictions: predictive control has been highly successful in producing robust and practical solutions in many real-life, real-time applications. Adaptive prediction covers a variety of ways of adding 'intelligence' to predictive control techniques. Many different groups, with widely varying disciplinary backgrounds and approaches, are tackling the same problem from different angles; these groups are sometimes unaware of alternative approaches from other disciplines. This book attempts to give a unified and comprehensive coverage of the principles and methods that these groups have developed. It avoids basing its descriptions on very complex mathematical formulations but still gives a rigorous exposure to the subject, and illustrates the theory with many practical examples. It is chiefly aimed at students, researchers and practitioners, but will also be accessible to the non-specialist. Note de contenu : contents: Chapter 1: Introduction Chapter 2: Process models Chapter 3: Parameter estimation Chapter 4: Some popular methods of prediction Chapter 5: Adaptive prediction using transfer-function models Chapter 6: Kalman filter and state-space approaches Chapter 7: Orthogonal transformation and modelling of periodic series Chapter 8: Modellong of nonlinear processes: an introduction Chapter 9: Modelling of nonlinear processes using GMDH Chapter 10: Modelling and prediction of nonlinear processes using neural networks Chapter 11: Modelling and prediction of quasiperiodic series Chapter 12: Predictive control (Part-I): input-output model based Chapter 13: Predictive control (Part-II): state-space model based Chapter 14: Smoothing and filtering Appendices

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Asymptotic And Hybrid Methods in Electromagnetics / Iran Andronov

Public ISBD Titre : Asymptotic And Hybrid Methods in Electromagnetics Type de document : texte imprimé Auteurs : Iran Andronov, Auteur ; Daniel Bouche, Auteur ; Frédéric Molinet, Auteur Editeur : London : The Institution of Electrical Engineers Année de publication : 2005 Collection : IEE Electromagnetic Waves Series Importance : 249 p. Présentation : couv. ill. en coul., ill. Format : 24 cm. ISBN/ISSN/EAN : 978-0-86341-447-3 Langues : Anglais (eng) Catégories : ELECTROTECHNIQUE Mots-clés : Electromagnetic waves  electromagnetic wave diffraction. Index. décimale : 10-06 Electromagnétisme Résumé : There have been significant developments in the field of numerical methods for diffraction problems in recent years, and as a result, it is now possible to perform computations with more than ten million unknowns. However, the importance of asymptotic methods should not be overlooked. Not only do they provide considerable physical insight into diffraction mechanisms, and can therefore aid the design of electromagnetic devices such as radar targets and antennas, some objects are still too large in terms of wavelengths to fall in the realm of numerical methods. Furthermore, very low Radar Cross Section objects are often difficult to compute using multiple methods. Finally, objects that are very large in terms of wavelength, but with complicated details, are still a challenge both for asymptotic and numerical methods. The best, but now widely explored, solution for these problems is to combine various methods in so called hybrid methods. Note de contenu : Contents 1 Asymptotic theory of diffraction 1.1 Introduction to the geometrical theory of diffraction 1.2 Boundary-layer method 2 Electromagnetic creeping waves 2.1 Creeping waves on a general surface 2.2 Special cases 2.3 Creeping waves on elongated objects 2.4 Creeping and whispering gallery waves at interfaces 3 Hybrid diffraction coefficients 3.2 Spectral representation of the fock field on a smooth surface 3.3 Hybrid diffraction coefficients for a curved wedge 3.4 Hybrid diffraction coefficients for curvature discontinuity 3.5 Solution valid at grazing incidence and grazing observation 3.6 Coated surfaces 3.7 Numerical results 4 Asymptotic currents 4.2 Asymptotic currents ON A 2D smooth convex surface 4.3 Asymptotic currents ON A 2D convex surface delimited by sharp edges 4.4 Asymptotic currents ON A 2D concave surface delimited by sharp edges 4.5 Three-dimensional perfectly conducting convex-concave surface 4.6 numerical results 5 Hybrid methods 5.1 Introduction-state-of-the-art 5.2 Equivalence theorem and its consequences 5.3 Application of the equivalence theorem to the hybridisation of the methods 5.4 Generalisation to coated objects 5.5 Brief review of asymptotic solutions adapted to the development of hybrid method 5.6 numerical results -Index Asymptotic And Hybrid Methods in Electromagnetics [texte imprimé] / Iran Andronov, Auteur ; Daniel Bouche, Auteur ; Frédéric Molinet, Auteur . - London : The Institution of Electrical Engineers, 2005 . - 249 p. : couv. ill. en coul., ill. ; 24 cm.. - (IEE Electromagnetic Waves Series) . ISBN : 978-0-86341-447-3 Langues : Anglais (eng) Catégories : ELECTROTECHNIQUE Mots-clés : Electromagnetic waves  electromagnetic wave diffraction. Index. décimale : 10-06 Electromagnétisme Résumé : There have been significant developments in the field of numerical methods for diffraction problems in recent years, and as a result, it is now possible to perform computations with more than ten million unknowns. However, the importance of asymptotic methods should not be overlooked. Not only do they provide considerable physical insight into diffraction mechanisms, and can therefore aid the design of electromagnetic devices such as radar targets and antennas, some objects are still too large in terms of wavelengths to fall in the realm of numerical methods. Furthermore, very low Radar Cross Section objects are often difficult to compute using multiple methods. Finally, objects that are very large in terms of wavelength, but with complicated details, are still a challenge both for asymptotic and numerical methods. The best, but now widely explored, solution for these problems is to combine various methods in so called hybrid methods. Note de contenu : Contents 1 Asymptotic theory of diffraction 1.1 Introduction to the geometrical theory of diffraction 1.2 Boundary-layer method 2 Electromagnetic creeping waves 2.1 Creeping waves on a general surface 2.2 Special cases 2.3 Creeping waves on elongated objects 2.4 Creeping and whispering gallery waves at interfaces 3 Hybrid diffraction coefficients 3.2 Spectral representation of the fock field on a smooth surface 3.3 Hybrid diffraction coefficients for a curved wedge 3.4 Hybrid diffraction coefficients for curvature discontinuity 3.5 Solution valid at grazing incidence and grazing observation 3.6 Coated surfaces 3.7 Numerical results 4 Asymptotic currents 4.2 Asymptotic currents ON A 2D smooth convex surface 4.3 Asymptotic currents ON A 2D convex surface delimited by sharp edges 4.4 Asymptotic currents ON A 2D concave surface delimited by sharp edges 4.5 Three-dimensional perfectly conducting convex-concave surface 4.6 numerical results 5 Hybrid methods 5.1 Introduction-state-of-the-art 5.2 Equivalence theorem and its consequences 5.3 Application of the equivalence theorem to the hybridisation of the methods 5.4 Generalisation to coated objects 5.5 Brief review of asymptotic solutions adapted to the development of hybrid method 5.6 numerical results -Index

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Control engineering solutions / Pedro Albertos

Public ISBD Titre : Control engineering solutions : a practical approach Type de document : texte imprimé Auteurs : Pedro Albertos, Auteur ; Roland Strietzel, Auteur ; Neil Mort, Auteur Editeur : London : The Institution of Electrical Engineers Année de publication : 1997 Collection : IEE Control Engineering Series 54 Importance : 297 p. Présentation : ill. Format : 24 cm. ISBN/ISSN/EAN : 978-0-85296-829-1 Langues : Anglais (eng) Catégories : AUTOMATISME Index. décimale : 25-07 Théorie de la commande: commandes des processus Résumé : This book collects together in one volume a number of control engineering solutions, intended to be representative of solutions applicable to a broad class of control problems, and outlines possible alternative approaches to finding them. This is neither a control theory book nor a handbook of laboratory experiments, although it includes both the basic theory of control and practical laboratory set-ups to illustrate the solutions proposed. A number of control problems are identified and discussed, from the initial phase of experimental construction of a model of the process to the final steps of hardware and software implementation, for several illustrative applications including a motor drive and a small scale robot. PID tuning and anti-wind-up, disturbance rejection, time delays and distributed systems, state feedback and observer design, multiloop interaction, fault detection and supervision, and fuzzy logic control are some of the control issues treated. Written by a team of European experts, the book should interest a broad audience. Control engineering students will find potential applications for control theory and workable examples of practical control problems. Most of the laboratory set-ups will be easy to replicate by control engineering teaching staff, enabling practical activity to complement theoretical and exercise class sessions. Applied control engineers will find guidelines to approach the solution of their own control problems, including discussion of alternative methods and results to be expected. The publication of this book represents the final outcome of a European TEMPUS project to improve educational practice Note de contenu : able of contents Chapter 1: Process model identification Chapter 2: Analogue controller design Chapter 3: Classic controller design Chapter 4: Integral wind-up in control and system simulation Chapter 5: Control of unstable systems Chapter 6: Control of temperature and heat flow rate: the problem of delays Chapter 7: Inverted pendulum control Chapter 8: Disturbance rejection Chapter 9: Multivariable process control Chapter 10: Predictive control vs. PID control of thermal treatment processes Chapter 11: State-space adaptive control for nonlinear systems Chapter 12: Distributed process control Chapter 13: Fuzzy control: demonstrated with the inverted pendulum Chapter 14: Adaptive control supervision Chapter 15: Model-based fault detection: an online supervision concept Chapter 16: Microcomputer-based implementations for DC motor-drive control Chapter 17: Software design for real-time systems Control engineering solutions : a practical approach [texte imprimé] / Pedro Albertos, Auteur ; Roland Strietzel, Auteur ; Neil Mort, Auteur . - London : The Institution of Electrical Engineers, 1997 . - 297 p. : ill. ; 24 cm.. - (IEE Control Engineering Series 54) . ISBN : 978-0-85296-829-1 Langues : Anglais (eng) Catégories : AUTOMATISME Index. décimale : 25-07 Théorie de la commande: commandes des processus Résumé : This book collects together in one volume a number of control engineering solutions, intended to be representative of solutions applicable to a broad class of control problems, and outlines possible alternative approaches to finding them. This is neither a control theory book nor a handbook of laboratory experiments, although it includes both the basic theory of control and practical laboratory set-ups to illustrate the solutions proposed. A number of control problems are identified and discussed, from the initial phase of experimental construction of a model of the process to the final steps of hardware and software implementation, for several illustrative applications including a motor drive and a small scale robot. PID tuning and anti-wind-up, disturbance rejection, time delays and distributed systems, state feedback and observer design, multiloop interaction, fault detection and supervision, and fuzzy logic control are some of the control issues treated. Written by a team of European experts, the book should interest a broad audience. Control engineering students will find potential applications for control theory and workable examples of practical control problems. Most of the laboratory set-ups will be easy to replicate by control engineering teaching staff, enabling practical activity to complement theoretical and exercise class sessions. Applied control engineers will find guidelines to approach the solution of their own control problems, including discussion of alternative methods and results to be expected. The publication of this book represents the final outcome of a European TEMPUS project to improve educational practice Note de contenu : able of contents Chapter 1: Process model identification Chapter 2: Analogue controller design Chapter 3: Classic controller design Chapter 4: Integral wind-up in control and system simulation Chapter 5: Control of unstable systems Chapter 6: Control of temperature and heat flow rate: the problem of delays Chapter 7: Inverted pendulum control Chapter 8: Disturbance rejection Chapter 9: Multivariable process control Chapter 10: Predictive control vs. PID control of thermal treatment processes Chapter 11: State-space adaptive control for nonlinear systems Chapter 12: Distributed process control Chapter 13: Fuzzy control: demonstrated with the inverted pendulum Chapter 14: Adaptive control supervision Chapter 15: Model-based fault detection: an online supervision concept Chapter 16: Microcomputer-based implementations for DC motor-drive control Chapter 17: Software design for real-time systems

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The switching function / C.C. Marouchos

Public ISBD Titre : The switching function : analysis of power electronic circuits Type de document : texte imprimé Auteurs : C.C. Marouchos, Auteur Editeur : London : The Institution of Electrical Engineers Année de publication : 2006 Collection : IEE Circuits, Devices and systemsseries 17 Importance : 297 p. Présentation : couv. ill. en coul., ill. Format : 24 cm. ISBN/ISSN/EAN : 978-0-86341-351-3 Langues : Anglais (eng) Catégories : ELECTROTECHNIQUE Index. décimale : 10-05 Electronique de puissance et industrielle Résumé : This book demonstrates the usefulness of the switching function in analyzing powers electronic circuits in the steady state. A procedure is suggested for the effective application of this effective application of this method for the analysis of all types of power electronic circuits. The Kirchoff's Laws and the Superposition theorem are applied by introducing the appropriate switching functions in order to derive Unified Expressions of voltage and current in switched circuits valid at all times. The exact expressions of the current in each semiconductor device in the circuit enables the circuit designer to collect all the relevant data to set the ratings of the device such as rms, average and peak values of voltage and current. The order of the voltage and current harmonics at any point in the circuit are derived with simple arithmetic. Compact expressions are derived for Sinusoidal PWM signals based on the switching function. The order, magnitude and phase of each component are derived directly from the expression with simple arithmetic. The educator has a simple way to present to his students the mechanism of operation of complex switched circuits where all the statements regarding their operation are actually presented in the model of the circuit. Note de contenu : Contents: Part 1: The switching function Chapter 1: The switching function: Application and properties Chapter 2: Voltage-current relations in switched circuits Chapter 3: Pulse width modulation Part 2: AC to DC conversion Chapter 4: Analysis of the single phase ac to dc phase controlled converter with R-L load Chapter 5: The single phase full-wave diode rectifier - RC load Chapter 6: The three-phase half-wave phase controlled converter Chapter 7: The three-phase full-wave phase controlled rectifier Chapter 8: Overlap in ac to dc three-phase converters Part 3: DC to DC converters Chapter 9: The step down converter Chapter 10: The step up or boost converter Chapter 11: The buck boost dc to dc converter Chapter 12: The CUK dc to dc converter Chapter 13: The PWM full bridge dc to dc converter Part 4: Frequency changers Chapter 14: Three by three matrix converter Chapter 15: The single pulse PWM inverter Chapter 16: The sinusoidally PWM inverter Chapter 17: The envelope cyclo-converter Part 5: Active filters Chapter 18: The thyristor-controlled reactor Chapter 19: The switched capacitor active filters Chapter 20: The inverter configuration active filter Chapter 21: Single phase rectification with active line shaping The switching function : analysis of power electronic circuits [texte imprimé] / C.C. Marouchos, Auteur . - London : The Institution of Electrical Engineers, 2006 . - 297 p. : couv. ill. en coul., ill. ; 24 cm.. - (IEE Circuits, Devices and systemsseries 17) . ISBN : 978-0-86341-351-3 Langues : Anglais (eng) Catégories : ELECTROTECHNIQUE Index. décimale : 10-05 Electronique de puissance et industrielle Résumé : This book demonstrates the usefulness of the switching function in analyzing powers electronic circuits in the steady state. A procedure is suggested for the effective application of this effective application of this method for the analysis of all types of power electronic circuits. The Kirchoff's Laws and the Superposition theorem are applied by introducing the appropriate switching functions in order to derive Unified Expressions of voltage and current in switched circuits valid at all times. The exact expressions of the current in each semiconductor device in the circuit enables the circuit designer to collect all the relevant data to set the ratings of the device such as rms, average and peak values of voltage and current. The order of the voltage and current harmonics at any point in the circuit are derived with simple arithmetic. Compact expressions are derived for Sinusoidal PWM signals based on the switching function. The order, magnitude and phase of each component are derived directly from the expression with simple arithmetic. The educator has a simple way to present to his students the mechanism of operation of complex switched circuits where all the statements regarding their operation are actually presented in the model of the circuit. Note de contenu : Contents: Part 1: The switching function Chapter 1: The switching function: Application and properties Chapter 2: Voltage-current relations in switched circuits Chapter 3: Pulse width modulation Part 2: AC to DC conversion Chapter 4: Analysis of the single phase ac to dc phase controlled converter with R-L load Chapter 5: The single phase full-wave diode rectifier - RC load Chapter 6: The three-phase half-wave phase controlled converter Chapter 7: The three-phase full-wave phase controlled rectifier Chapter 8: Overlap in ac to dc three-phase converters Part 3: DC to DC converters Chapter 9: The step down converter Chapter 10: The step up or boost converter Chapter 11: The buck boost dc to dc converter Chapter 12: The CUK dc to dc converter Chapter 13: The PWM full bridge dc to dc converter Part 4: Frequency changers Chapter 14: Three by three matrix converter Chapter 15: The single pulse PWM inverter Chapter 16: The sinusoidally PWM inverter Chapter 17: The envelope cyclo-converter Part 5: Active filters Chapter 18: The thyristor-controlled reactor Chapter 19: The switched capacitor active filters Chapter 20: The inverter configuration active filter Chapter 21: Single phase rectification with active line shaping

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Voltage quality in electrical power systems / J. Schlabbach

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