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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, the IET's member magazine Engineering & Technology, plus seminar digests and conference publications. Find out more about the Digital Library.

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Latest Books

image of Power Electronic Converters and Systems. Volume 1: Converters and machine drives
  • Power Electronic Converters and Systems. Volume 1: Converters and machine drives
  • Power electronics is a field in constant evolution. Power grids require further developments, and the overall society electrification requires enhanced power electronics and motor drives. New semiconductor wide bandgap devices and modern implementation hardware software play a key role, power converters for the direct current and alternating current electrical conversion, for changing voltage or frequency have become integrated with layers of communication, control, and information processing.

    This expanded 2nd edition of Power Electronic Converters and Systems offers an update in two volumes, with a systematic revision of all chapters plus all-new chapters. An overview of modern power electronic converters and systems is provided, and their applications explored. Devices covered include semiconductor switches, various converters, switching power supplies, and smart power electronic modules. Applications approach unique motors and induction motor drives, renewable energy, distribution and microgrids, automotive and shipboard power systems and wireless power transfer, as well as advanced control.

    In volume one, chapters cover semiconductor power devices, multilevel and multi-input converters, modular multilevel cascade and matrix converters, soft-switching, source power, and DC/DC converters, smart power electronics, motor drives, switched reluctance machines, reliability in power electronics and hardware-in-the-loop.

    In volume two, chapters cover wind and PV energy principles, charging and battery management, DC-DC switched capacitor converters, batteries, shipboard power systems, advanced control and power filter control, more electric aircraft, fault ride through strategies for grid-connected PV, support functions and grid-forming control.

    Both volumes offer key insights and up-to-date information for researchers and practicing engineers working in power electronics, converters and machine drives, electric vehicles, ship propulsion, battery storage, wind and photovoltaics solar energy and power conversion.

image of Power Electronic Converters and Systems. Volume 2: Applications
  • Power Electronic Converters and Systems. Volume 2: Applications
  • Power electronics is a field in constant evolution. Power grids require further developments, and the overall society electrification requires enhanced power electronics and motor drives. New semiconductor wide bandgap devices and modern implementation hardware software play a key role, power converters for the direct current and alternating current electrical conversion, for changing voltage or frequency have become integrated with layers of communication, control, and information processing.

    This expanded 2nd edition of Power Electronic Converters and Systems offers an update in two volumes, with a systematic revision of all chapters plus all-new chapters. An overview of modern power electronic converters and systems is provided, and their applications explored. Devices covered include semiconductor switches, various converters, switching power supplies, and smart power electronic modules. Applications approach unique motors and induction motor drives, renewable energy, distribution and microgrids, automotive and shipboard power systems and wireless power transfer, as well as advanced control.

    In volume one, chapters cover semiconductor power devices, multilevel and multi-input converters, modular multilevel cascade and matrix converters, soft-switching, source power, and DC/DC converters, smart power electronics, motor drives, switched reluctance machines, reliability in power electronics and hardware-in-the-loop.

    In volume two, chapters cover wind and PV energy principles, charging and battery management, DC-DC switched capacitor converters, batteries, shipboard power systems, advanced control and power filter control, more electric aircraft, fault ride through strategies for grid-connected PV, support functions and grid-forming control.

    Both volumes offer key insights and up-to-date information for researchers and practicing engineers working in power electronics, converters and machine drives, electric vehicles, ship propulsion, battery storage, wind and photovoltaics solar energy and power conversion.

image of Hydrogen from Seawater Splitting: Technology and outlook
  • Hydrogen from Seawater Splitting: Technology and outlook
  • Hydrogen is a key vector of decarbonized energy systems. It can be used as long term and seasonal storage for electricity itself, as well as in the automotive sector, for space heating and for the chemical industry.

    In order to be sustainable, it is vital that hydrogen is generated without carbon emissions. One option is electrocatalysis, which uses electricity to split the water. Other options are photocatalytic and photoelectrochemical technologies that use impinging sunlight directly. Each technique has advantages and shortcomings, and different efficiencies, depending on a range of factors including the materials used.

    This book provides overviews of the current technologies available for splitting hydrogen from seawater, and explores their benefits and disadvantages. Chapters cover materials, systems and challenges, electrocatalytic, photocatalytic, and photoelectrochemical techniques, functional compound semiconducting films, electrolysis of saline water, and two-dimensional nanomaterials for hydrogen generation. Finally, the editors share their informed view on the future outlook of the field.

    Hydrogen from Seawater Splitting: Technology and outlook offers valuable insights for researchers in hydrogen technology and energy materials, exploring the current state-of-the-art and posing the key question of increasing efficiencies.

image of Wireless Power Transfer Technologies: Theory and technologies
  • Wireless Power Transfer Technologies: Theory and technologies
  • Wireless Power Transfer (WPT) serves to transfer power from a grid or storage unit to a device without the need for cable connections. This can be performed by induction, as well as by using radio or microwaves.

    The technology is already seeing widespread use; for example, for charging of cell phones and toothbrushes. R&D of WPT, especially inductive and resonance coupling WPT, has been active over recent years. The increased need to decarbonize the transport sector in particular is resulting in growing interest in electric vehicles and their comfortable charging.

    This second edition of Wireless Power Transfer Technologies: Theory and technologies covers the very latest in theory and technology for WPT, for inductive and resonance coupling as well as radiative WPT with radio waves. It describes the theory as well as the technology and applications. Updates to the new edition include output characteristics of multi-hop systems, technologies, new experimental data, developments on regulation and standardization, WPT for dynamic EV charging, and far-field WPT.

    After revising inductive and resonance coupling theory, chapters cover multi-hop wireless power transmission, circuit theory, power transfer via radio waves, antennas and phased arrays, transmitter, inverter and rectifier technology, WPT for electric vehicles, long-distance WPT, as well as biological and medical aspects.

    This revised, expanded and updated new edition is a valuable resource for researchers in industry and academia involved with power systems and vehicles.

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image of Physical Layer Security for 6G Networks
  • Physical Layer Security for 6G Networks
  • 6G networks are expected to provide one-microsecond latency communication with a billion devices competing for resources 1000 times faster than current standards. Increases in network speed, heterogeneity, virtualization, better radio requirements and adaptive communications will place new demands on physical layer security. Moreover, IoT, blockchain, and artificial intelligence are enabling technologies that require rapid data rates, raising a significant burden on the network's physical layer, requiring that security must be attained at a fast pace, and that the network must be resilient to accommodate sudden changes to the configurations or the load.

    Physical layer (PHY) security solutions are needed that have the capacity to handle the new demands of 6G networks, whilst protecting those networks against risk factors such as interference, data spoofing, replay attacks, side-channel attacks, jamming, traffic analysis, and cyber-vandalism attacks. This comprehensive book addresses the PHY security challenges and proposes efficient and resilient physical layer security solutions for beyond 5G networks leading to 6G. Several topics have emerged that rely on PHY security in solving real-world network challenges such as ultra-dense networks, adaptive communication, distributed technology, and artificial intelligence.

    Physical Layer Security for 6G Networks helps readers understand the expectations of 6G's physical layer security in supporting pervasive and integrated communication networks, AI convergence and utility, and develop better sensing solutions, which go beyond cognitive radio, device-to-device or mm-wave communications.

image of Proof-of-Stake for Blockchain Networks: Fundamentals, challenges and approaches
  • Proof-of-Stake for Blockchain Networks: Fundamentals, challenges and approaches
  • A consensus mechanism is the core component of a blockchain network, which ensures that every participant agrees on the state of the network in trustless environments. Until now, current blockchain networks have been using the proof-of-work (PoW) consensus mechanism, which has serious limitations such as huge energy consumption, low transaction processing capabilities, and centralization and scalability issues. To overcome these problems, a new consensus mechanism entitled proof-of-stake (PoS) has been developed. PoS has many advantages, including negligible energy consumption and very low consensus delay. Ethereum (the largest decentralized global software platform to create secured digital technology powered by blockchain technology and the blockchain of choice globally for all developers and enterprises) has just switched from PoW to PoS. As a result, this mechanism is expected to become a cutting-edge technology for future blockchain networks.

    This book provides a comprehensive discussion of the PoS consensus mechanism for blockchain networks. Starting with an overview of blockchain technology and consensus mechanisms, including basic concepts and network architecture, the book provides a review of the PoS consensus mechanism, including PoS consensus security and PoS performance and scalability issues.

    Proof-of-Stake for Blockchain Networks: Fundamentals, challenges and approaches is a valuable resource for researchers, engineers, and postgraduate students who are interested in advanced PoS consensus mechanisms, as well as developers and entrepreneurs who are interested in developing applications using the PoS consensus mechanism.

image of Mobility as a Service: Its development, deployment, and future
  • Mobility as a Service: Its development, deployment, and future
  • Mobility-as-a-Service (MaaS) is a much-talked about term in the transportation industry and in transport policy. The goal of MaaS is a shift away from personally-owned modes of transportation and towards mobility solutions that are consumed as a service. Such solutions are typically enabled by digital technologies and platforms. MaaS systems might combine transportation services from public and private transportation providers, like train and carsharing services, through a unified portal to create and manage journeys, which users can pay for with a single account. MaaS offers travellers mobility solutions based on their travel needs.

    The purpose of this book is to take stock of recent trends and developments in MaaS, and so provide readers with an overview of progress, challenges, opportunities, and the likely future direction of the field. The book begins by addressing the history of MaaS and its defining principles, then explores enabling technologies and business models. The different opportunities and challenges of implementing MaaS are examined for urban and rural areas and for regional travel. The challenge of integration is discussed, followed by the role of MaaS in different spheres of transportation, including mass transit, shared transport, demand responsive transport, and active travel. The role of mobility hubs is also reviewed. The final chapters of the book cover policy and regulation, and the likely future outlook and next steps for MaaS.

    The book is written by two knowledgeable consultants with substantial experience in delivering and supporting future mobility projects. The authors have drawn deeply on their expertise and connections in the field to provide a wealth of case-studies, which illustrate real-world applications of MaaS.

    Covering the principles, enabling technologies and business models behind MaaS, this book provides a systematic and thorough overview of the field for researchers, consultants, industry professionals, transport operators and policy makers.

image of Empowering Smart Cities through Community-Centred Public Private Partnerships and Innovations
  • Empowering Smart Cities through Community-Centred Public Private Partnerships and Innovations
  • Cities are at the heart of the biggest challenges facing humanity - from the cost-of-living crisis to the COVID-19 pandemic, to climate change to inequality and social injustice. Local governments around the world are facing increased expectations to support the transition to a more just and sustainable society and are under pressure to do more with fewer resources. Rapid urbanization is creating significant pressure on cities to expand and improve housing and infrastructure, and improve social equity, health and quality of life, all while fostering a robust economy that can provide good jobs for all. Nonetheless, cities are also our best hope for the future and remain at the heart of economic growth, innovation and job creation.

    Tackling multifaceted issues like climate change, digitalization and innovation, economic revitalization and social inclusion cannot be led by cities acting on their own. Cities must work with different actors in the community - researchers, private sector, community leaders, households and even national governments - to drive and deliver on this agenda. This book explores how cities and local stakeholders can come together to share knowledge and expertise, bring their diverse perspectives and co-create solutions to complex urban challenges.

    Empowering Smart Cities through Community-Centred Public Private Partnerships and Innovations presents eight case studies from around the world that demonstrate unique forms of collaboration between local governments, businesses, start-ups, academia, and citizens. A Community-Centred Public Private Partnership or CP3 is defined as an alliance of diverse stakeholders that responds to complex urban challenges like digital transformation and climate change, empowers the locality, shares risk and responsibility among partners, and leverages resources to work towards the vision for a public good.

    The book is intended for local government authorities, researchers, business leaders, policy-makers and urban professionals who are passionate about working locally and collaboratively to shape more sustainable, resilient, innovative and inclusive cities.

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