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Welcome to IET Digital Library

The IET Digital Library holds more than 190,000 technical papers from 1994 onwards for all IET journals, magazines, books, conference publications and seminar digests. Highly cited journals such as Electronics Letters are available alongside 24 research journal titles, The Journal of Engineering, the IET's new open access journal, Micro & Nano Letters, the IET's online only journal, the IET's member magazine Engineering & Technology, plus seminar digests and conference publications. Find out more...

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Latest Books

image of Reliability of Power Electronic Converter Systems
  • Reliability of Power Electronic Converter Systems
  • The main aims of power electronic converter systems (PECS) are to control, convert, and condition electrical power flow from one form to another through the use of solid-state electronics. This book outlines current research into the scientific modeling, experimentation, and remedial measures for advancing the reliability, availability, system robustness, and maintainability of PECS at different levels of complexity. Drawing on the experience of an international team of experts, this book explores the reliability of PECS covering topics including an introduction to reliability engineering in power electronic converter systems; anomaly detection and remaining-life prediction for power electronics; reliability of DC-link capacitors in power electronic converters; reliability of power electronics packaging; modelling for life-time prediction of power semiconductor modules; minimization of DC-link capacitance in power electronic converter systems; wind turbine systems; smart control strategies for improved reliability of power electronics system; lifetime modelling; power module lifetime test and state monitoring; tools for performance and reliability analysis of power electronics systems; fault-tolerant adjustable speed drive systems; mission profile-oriented reliability design in wind turbine and photovoltaic systems; reliability of power conversion systems in photovoltaic applications; power supplies for computers; and high-power converters. Reliability of Power Electronic Converter Systems is essential reading for researchers, professionals and students working with power electronics and their applications, particularly those specialising in the development and application of power electronic converters and systems.

image of Analysis and Design of Reset Control Systems
  • Analysis and Design of Reset Control Systems
  • Reset control is concerned with how to reset a system when it is disturbed to overcome the inherent limitations of linear feedback control and to improve robustness. It has found applications in many practical systems including flexible mechanical systems, tapespeed control systems and high precision positioning systems.This book provides an introduction to the theory of reset control, and draws on the authors' own research and others' to explore the application of reset control in a variety of settings, with an emphasis on hard disk drive servo systems.Topics covered include the motivation and basic concepts of reset control systems; derivation of the describing function of reset systems; how the reset matrix affects the frequency domain property of a system; recent developments on stability analysis of reset control systems; robust stability of reset control systems with uncertainties; reset control systems with discrete-time reset conditions; optimal reset control design under fixed reset time instants; and reset control systems with conic jump sets. This book is essential reading for researchers, postgraduates and advanced students in control theory, and for research-based engineers who are interested in the theory of hybrid control systems and their engineering applications.

image of Understanding Telecommunications Business
  • Understanding Telecommunications Business
  • We all enjoy the benefits of the information age but we may not be aware of the range of technologies and infrastructure that underpins the Internet and the services that it supports. There are many companies involved in the business of providing and operating such resources. This book attempts to explain the complex interplay between the companies, how their businesses operate, and how they seek to make a profit. The authors consider how telecommunications companies tackle the challenging Information and Communication Technology market place - how they make a case for investment, develop and market products, and how they operate telecommunications networks and computer-server resources. Topics covered include: an introduction to the telecommunications business; regulation; business strategy; corporate finance and governance; network economics; network strategy and planning; customers and marketing; product management; network and service operations; and people and organisation development. In particular, this book provides a comprehensive introduction to the tools for analysing markets, constructing business cases and providing customer service all with specific reference to telecommunications and reallife case studies. The authors have based this book on the material used to teach Masters Degree students over the last 10 years, as well as drawing on their knowledge gained through a combined experience of over 80 years working within the industry. Understanding Telecommunications Business is essential for undergraduate and graduate students studying telecommunications, and will also find a place on the bookshelves of the many people already working in the industry, or considering joining it. Although selfcontained, this book forms a companion to Understanding Telecommunications Networks, which is also in the IET Telecommunications series.

image of Vehicle-to-Grid: Linking electric vehicles to the smart grid
  • Vehicle-to-Grid: Linking electric vehicles to the smart grid
  • Plug-in electric and hybrid vehicles (PEVs) have the potential to provide substantial storage to a city's grid, a key component in mitigating intermittency issues of power sources. But the batteries of these vehicles also need to be charged at times when their users need them. Thus, V2G (vehicle-to-grid) is becoming an important issue in the future grid. An integrated treatment of this system, from power generation, monitoring, storage in stationary and PEV batteries to control is a complex task. This book explores the connection between the stationary grid and PEV power storage. Topics covered include: the impact of PEVs and V2G on smart grid and renewable energy systems; distributed energy resource with PEV battery energy storage in the smart grid; power conversion technology in smart grid and PEVs; power control and monitoring of smart grid with PEVs; PEV charging technologies and V2G on distributed energy resources and utility interfaces; economic, social and environmental dimensions of PEVs in the smart grid. This book will be of interest to researchers and advanced students in electric vehicles and smart grid technologies, and policy-makers and planners developing smart grid infrastructure and sustainable transport initiatives.

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image of Radio Frequency Interference (RFI) Pocket Guide
  • Radio Frequency Interference (RFI) Pocket Guide
  • This handy pocket reference offers essential data on radio frequency interference (RFI) for advanced ham radio operators, wireless engineers who troubleshoot interference problems, and technicians.

image of Power System Stability: Modelling, Analysis and Control
  • Power System Stability: Modelling, Analysis and Control
  • To ensure stable operation of a power system, it is necessary to analyse the power system performance under various operating conditions. Analysis includes studies such as power flow and both steady-state and transient stability. To perform such studies requires knowledge about the models used to represent the various components that constitute an integrated power system. In situations where there is a risk of loss of stability, it is necessary to apply controls that can ensure stable and uninterrupted supply of electricity following a disturbance. The subject of stability thus encompasses modelling, computation of load flow in the transmission grid, stability analysis under both steady-state and disturbed conditions, and appropriate controls to enhance stability. All these topics are covered in this book, providing a comprehensive treatment of the overall subject of stability of power systems. Topics covered include modelling of the synchronous machine; the synchronous machine connected to power systems; modelling of transformers, transmission lines and loads; power flow analysis; optimal power flow; small signal stability; transient stability; transient energy function methods; artificial intelligent techniques; power system stabilizers; series compensation; shunt compensation; compensation devices; and recent technologies. The subject matter is covered at a level that is suitable for students, scientists and engineers involved in the study, design, analysis and control of power systems.

image of Wide Area Monitoring of Interconnected Power Systems
  • Wide Area Monitoring of Interconnected Power Systems
  • This book provides a compact yet comprehensive treatment of advanced data-driven signal processing techniques for the analysis and characterization of both ambient power system data and transient oscillations resulting from major disturbances. Inspired by recent developments in multi-sensor data fusion, multi-temporal data assimilation techniques for power system monitoring are proposed and tested in the context of modern wide-area monitoring system architectures. Recent advances in understanding and modeling nonlinear, time-varying power system processes are reviewed and factors affecting the performance these techniques are discussed. A number of algorithms and examples are presented throughout the text as an aid to understanding the basic material provided. Challenges involved in realistic monitoring, visualization and analysis of actual disturbance events are emphasized and examples of applications to a wide range of power networks are provided. Topics covered include: wide-area monitoring and analysis systems; wide-area monitoring system architectures; spatio-temporal modeling of power system dynamic processes; advanced data processing and feature extraction; multi-sensor multitemporal data fusion; monitoring the status of the system; near real-time analysis and monitoring; and interpretation and visualization of wide-area PMU measurements. This book will be of interest to students, researchers and engineers involved in the study, design, analysis and control of power systems.

image of Control-oriented Modelling and Identification: Theory and practice
  • Control-oriented Modelling and Identification: Theory and practice
  • This comprehensive book covers the state-of-the-art in control-oriented modelling and identification techniques. With contributions from leading researchers in the subject, Control-oriented Modelling and Identification: Theory and practice covers the main methods and tools available to develop advanced mathematical models suitable for control system design, including: object-oriented modelling and simulation; projection-based model reduction techniques; integrated modelling and parameter estimation; identification for robust control of complex systems; subspace-based multi-step predictors for predictive control; closed-loop subspace predictive control; structured nonlinear system identification; and linear fractional LPV model identification from local experiments using an H1-based glocal approach. This book also takes a practical look at a variety of applications of advanced modelling and identification techniques covering spacecraft dynamics, vibration control, rotorcrafts, models of anaerobic digestion, a brake-by-wire racing motorcycle actuator, and robotic arms.

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