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...
Optical MEMS are micro-electromechanical systems merged with micro-optics. They allow sensing or manipulating optical signals on a very small size scale using integrated mechanical, optical, and electrical systems and hold great promise specifically in biomedical applications, among others. This book describes the current state of optical MEMS in chemical and biomedical analysis with topics covered including fabrication and manufacturing technology for optical MEMS; electrothermally-actuated MEMS scanning micromirrors and their applications in endoscopic optical coherence tomography imaging; electrowetting-based microoptics; microcameras; biologically inspired optical surfaces for miniaturized optical systems; tuning nanophotonic cavities with nanoelectromechanical systems; quantum dot nanophotonics - micropatterned excitation, microarray imaging and hyperspectral microscopy; photothermal microfluidics; optical manipulation for biomedical applications; polymer-based optofluidic lenses; and nanostructured aluminum oxide-based optical biosensing and imaging. Bringing together topics representing the most exciting progress made and current trends in the field in recent years, this book is an essential addition to the bookshelves of researchers and advanced students working on developing, manufacturing or applying optical MEMS and other sensors.
The demand for ever smaller and portable electronic devices has driven metal oxide semiconductor-based (CMOS) technology to its physical limit with the smallest possible feature sizes. This presents various size-related problems such as high power leakage, low-reliability, and thermal effects, and is a limit on further miniaturization. To enable even smaller electronics, various nanodevices including carbon nanotube transistors, graphene transistors, tunnel transistors and memristors (collectively called post-CMOS devices) are emerging that could replace the traditional and ubiquitous silicon transistor. This book explores these nanoelectronics at the device level including modelling and design. Topics covered include high-k dielectrics; high mobility n and p channels on gallium arsenide and silicon substrates using interfacial misfit dislocation arrays; anodic metal-insulator-metal (MIM) capacitors; graphene transistors; junction and doping free transistors; nanoscale gigh-k/metal-gate CMOS and FinFET based logic libraries; multiple-independent-gate nanowire transistors; carbon nanotubes for efficient power delivery; timing driven buffer insertion for carbon nanotube interconnects; memristor modeling; and neuromorphic devices and circuits. This book is essential reading for researchers, research-focused industry designers/developers, and advanced students working on next-generation electronic devices and circuits.
This is a book written by leading experts in the fields of cyber-physical systems (CPS) and wireless sensor networks (WSN). This book describes how wireless sensor networking technologies can help in establishing and maintaining seamless communications between the physical and cyber systems to enable efficient, secure, reliable acquisition, management, and routing of data. Topics covered include: an introduction to WSN and CPS; integration issues and challenges between WSN and CPS; enabling CPS design architectures with WSN technologies; cyber security in CPS; data management in CPS with WSN; routing in WSN for CPS; resource management in CPS; mobile sensors in CPS; intelligent WSN in CPS; resilient WSN for CPS; case studies of integrated WSN and CPS; and medical CPS. All chapters of the book have been rigorously peer-reviewed. Cyber-Physical System Design with Sensor Networking Technologies is essential reading for researchers, advanced students and developers working in the areas of cyber-physical systems and sensor networks.
Most physical systems possess parametric uncertainties or unmeasurable parameters and, since parametric uncertainty may degrade the performance of model predictive control (MPC), mechanisms to update the unknown or uncertain parameters are desirable in application. One possibility is to apply adaptive extensions of MPC in which parameter estimation and control are performed online. This book proposes such an approach, with a design methodology for adaptive robust nonlinear MPC (NMPC) systems in the presence of disturbances and parametric uncertainties. One of the key concepts pursued is the concept of setbased adaptive parameter estimation, which provides a mechanism to estimate the unknown parameters as well as an estimate of the parameter uncertainty set. The knowledge of non-conservative uncertain set estimates is exploited in the design of robust adaptive NMPC algorithms that guarantee robustness of the NMPC system to parameter uncertainty. Topics covered include: a review of nonlinear MPC; extensions for performance improvement; introduction to adaptive robust MPC; computational aspects of robust adaptive MPC; finite-time parameter estimation in adaptive control; performance improvement in adaptive control; adaptive MPC for constrained nonlinear systems; adaptive MPC with disturbance attenuation; robust adaptive economic MPC; setbased estimation in discrete-time systems; and robust adaptive MPC for discrete-time 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.
This updated third edition of Digital Techniques for Wideband Receivers offers a current, comprehensive design guide for digital processing work with today's complex receiver systems. Brand new material brings readers up to date with the latest information on wideband electronic warfare receivers, the detection of FM and BPSK radar signals, analog-to-information, time-reversal filter, and an encoder example with multiple FFT length. The book offers insights on building digital electronic warfare receivers. From fundamental concepts and procedures to recent technology advances in digital receivers, readers get practical solutions to important wideband receiver problems.
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.
Power electronics is a branch of electrical engineering dealing with conversion and control of electric power using semiconductor power switches. This book, written by an international panel of more than 40 experts, provides an overview of modern power electronic converters and systems, and their applications. Topics covered include semiconductor power switches, multilevel, multi-input, modular, matrix, soft-switching, and Z-source converters, switching power supplies, and smart power electronic modules. Applications discussed encompass permanent magnet synchronous motor and induction motor drives, wind, photovoltaic, and automotive energy systems, shipboard power systems, the power grid, distributed generation and microgrids, uninterruptable power supplies, and wireless power transfer. Advanced control of power electronic systems is also examined. The book is essential reading for researchers and students working in power electronics, and for practising engineers specialising in the development and application of power electronic converters and systems.
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