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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...

Latest Books

image of Network as a Service for Next Generation Internet
  • Network as a Service for Next Generation Internet
  • With the rapid progress in networking and computing technologies, a wide variety of network-based computing applications have been developed and deployed on the internet. Flexible and effective service provisioning for supporting the diverse applications is a key requirement for the next generation internet. However, the current internet lacks sufficient capability for meeting this requirement, mainly due to the ossification caused by tight coupling between network architecture and infrastructure. Service-Oriented Architecture (SOA), which has been widely adopted in cloud computing via the Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS), and Software-as-a-Service (SaaS) paradigms, may be applied in networking to decouple network architecture and infrastructure; thus offering a promising approach to addressing some fundamental challenges to the next generation Internet. In general, such a service-oriented networking paradigm is referred to as Network as-a-Service (NaaS). This book presents the state of the art of the NaaS paradigm, including its concepts, architecture, key technologies, applications, and development directions for future network service provisioning. It provides readers with a comprehensive reference that reflects the most current technical developments related to NaaS.

image of Control of Mechatronic Systems
  • Control of Mechatronic Systems
  • This book introduces researchers and advanced students with a basic control systems background to an array of control techniques which they can easily implement and use to meet the required performance specifications for their mechatronic applications. It is the result of close to two decades of work of the authors on modeling, simulating and controlling different mechatronic systems from the motion control, automotive control and micro and nano-mechanical systems control areas. The methods presented in the book have all been tested by the authors and a very large group of researchers, who have produced practically implementable controllers with highly successful results. The approach that is recommended in this book is to first start with a conventional control method which may then be cascaded with a feedforward controller if the input is known or can be measured with a preview; to add a disturbance observer if unknown disturbances are to be rejected and if regulation of the uncertain plant about a nominal model is desired; and to add a repetitive controller to take care of any periodic inputs of fixed and known period. Case studies ranging from road vehicle yaw stability control and automated path following, to decoupling control of piezotube actuators in an atomic force microscope are presented. Parameter space based methods are used in the book for achieving robust controllers. Control of Mechatronic Systems is essential reading for researchers and advanced students who want to be exposed to control methods that have been field tested in a wide variety of mechatronic applications, and for practicing engineers who design and implement feedback control systems.

image of Human Monitoring, Smart Health and Assisted Living: Techniques and technologies
  • Human Monitoring, Smart Health and Assisted Living: Techniques and technologies
  • Interest in Information and Communication Technologies for human monitoring, smart health and assisted living is growing due to the significant impact that these technologies are expected to have on improving the quality of life of ageing populations around the world. This book brings together chapters written by a range of researchers working in these topics, providing an overview of the areas and covering current research, developments and applications for a readership of researchers and research-led engineering practitioners. It discusses the promises and the possible advantages of these technologies, and also indicates the challenges for the future. Topics covered include: personal monitoring and health data acquisition in smart homes; contactless monitoring of respiratory activity; technology-based assistance of people with dementia; wearable sensors for gesture analysis; design and prototyping of home automation systems for the monitoring of elderly people; multi-sensor platform for circadian rhythm analysis; smart multi-sensor solutions for activity detection; human monitoring based on heterogeneous sensor networks; mobile health for vital signs and gait monitoring systems; and smartphone-based blood pressure monitoring for falls risk assessment.

image of Introduction to the Smart Grid: Concepts, Technologies and Evolution
  • Introduction to the Smart Grid: Concepts, Technologies and Evolution
  • In recent years it has become increasingly apparent that conventional electrical networks cannot meet the requirements of the 21st century. These include reliability, efficiency, liberalisation of electricity markets, as well as effective and seamless integration of various types of renewable energy sources, electric vehicles, and customers as players. The emergence of new technologies such as distributed control, monitoring devices, and tremendous advances in information and communication technology have paved the way to realize the Smart Grid concept. This book identifies and discusses the tools required to ensure the interoperability among the various digitally-based components of the Smart Grid. Topics covered include an introduction to the smart grid concept; smart grid versus conventional electric networks; smart grid infrastructure; interoperability standards; communication system and its cyber security; international standard IEC 61850 and its application to smart grids; power system protection under smart grid environment; application of smart grid concept to distribution networks; integration of electric vehicles; energy storage systems; and the smart transmission grid. Introduction to the Smart Grid: Concepts, Technologies and Evolution is essential reading for researchers, engineers and advanced students working in energy engineering.

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image of Cloud and Fog Computing in 5G Mobile Networks: Emerging advances and applications
  • Cloud and Fog Computing in 5G Mobile Networks: Emerging advances and applications
  • Cloud computing is a key trend in computing and networking. Now diffused among endusers devices in mobile and wireline networks, the cloud is becoming the "fog". This book presents frameworks and schemes that use devices from end-users or near-users to carry out storage, communication, computation and control in the network. These novel approaches support the Internet of Things, the efficient provision of heterogeneous 5G mobile services, as well as emerging applications over future wireless network architectures. Elaborating on the emerging mobile networking paradigms for the 2020 5G timeframe, this book presents new connectivity services that are highly scalable and programmable in terms of speed, capacity, security, reliability, availability, latency and impact on battery life. Finally, the book discusses recent and new developments, prompting future directions on the theories, practices, standards and strategies related to 5G mobile systems. Topics covered include: network storage, Internet of Things (IoT); heterogeneous 5G mobile services; 5G green mobile networks; cloudlet-based architectures in mobile cloud computing environments; software-defined networking (SDN) and network functions virtualization (NFV); FOG-enabled navigation system; FIWARE and IoT technologies; real time video distribution; hybrid resource sharing; energy efficiency in cognitive radio networks; edge computing in future 5G mobile networks; and virtual network functions over cloud infrastructures.

image of Adjoint Sensitivity Analysis of High Frequency Structures with MATLAB®
  • Adjoint Sensitivity Analysis of High Frequency Structures with MATLAB®
  • This book presents the theory of adjoint sensitivity analysis for high frequency applications through time-domain electromagnetic simulations in MATLAB®. This theory enables the efficient estimation of the sensitivities of an arbitrary response with respect to all parameters in the considered problem. These sensitivities are required in many applications including gradient-based optimization, surrogate-based modeling, statistical analysis, and yield analysis. Using the popular FDTD method, the book shows how wideband sensitivities can be efficiently estimated for different types of materials and structures, and includes plenty of well explained MATLAB ® examples to help readers absorb the content more easily and to make the theory more understandable to the broadest possible audience. Topics covered include a review of FDTD and an introduction to adjoint sensitivity analysis; the adjoint variable method for frequency-independent constitutive parameters; sensitivity analysis for frequency-dependent objective functions; transient adjoint sensitivity analysis; adjoint sensitivity analysis with dispersive materials; adjoint sensitivity analysis of anisotropic structures; nonlinear adjoint sensitivity analysis; second-order adjoint sensitivities; and advanced topics.

image of Power Quality in Future Electrical Power Systems
  • Power Quality in Future Electrical Power Systems
  • Power quality is necessary for electrical systems to operate in their intended manner without any deterioration of performance. This book highlights the new emerging challenges of power quality due to the penetration of large-scale renewable energy generation technologies, the advances in nonlinear loads, the increased electricity demands in the deregulated market, and the recent requirements of smart grids that need better hierarchical design with enhanced quality, improved controllability, higher reliability, and security. Novel research that links the past, present and future of electrical power grids from a power quality perspective is also introduced. Topics include power quality definitions; frequency-domain power theory and metering of harmonic pollution responsibility; active and passive harmonic filters; shunt flexible AC transmission; power quality improvement using series FACTS; distributed generation systems; islanding scenario generation algorithm; decentralised voltage control in smart grids; techno-economic issues of power quality; economic robust programming for energy management systems; and future trends in power quality. Power Quality in Future Electrical Power Systems is a tool for planners, designers, operators and practicing engineers of electrical power systems who are concerned with power network quality, reliability, and security. It is essential reading for postgraduate students, engineers, academics, and researchers who have some background in electrical power systems.

image of Clean Energy Microgrids
  • Clean Energy Microgrids
  • Microgrids are electric power grids composed of loads and distributed energy resources which provide electricity to villages, university campuses and other entities usually smaller than cities which are capable of operating independently from the larger grid if necessary. Such systems are gaining importance in times of rising shares of renewable power and desire for energy resilience. There is a need for an updated work and overview describing the latest technology in microgrids and also adding perspectives of economics, environment and energy policies, including microgrids for cold regions, and future trends. The aim of this work is to give this complete overview of the latest technology around the world, and the interrelation with clean energy systems. Topics covered include key concepts and definitions; microgrid communication and control; storage systems for microgrids; microgrid reliability; clean generation in microgrids; country case studies; economics and policies. The book is essential reading for researchers and practicing engineers, as well as advanced students.

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