Piezoelectric Technology

This book explains the state-of-the-art green piezoelectric energy harvesting (PEH) technology. It highlights different aspects of PEH, starting right from the materials, their synthesis, and characterization techniques to applications. Various types of materials, including ceramics, polymers, composites, and bio-inspired compounds in nano, micro, and meso scale and their recent advancements are captured in detail with special focus on lead-free systems. Different challenges and issues faced while designing a PEH are also included. Features: Guides on how to harvest piezoelectric energy in a sustainable manner Describes related figures of merit for piezoelectric energy harvesting Covers synthesis of piezoelectric materials in the form of bulk, single crystal, nano, and thin/thick film Includes pertinent advanced characterization techniques Reviews piezo-energy harvesting devices and structures This book is aimed at researchers, professionals, and graduate students in electrical engineering, materials, and energy.

Proceedings of the NATO Advanced Research Workshop, Predeal, Romania, 24-27 May, 1999

Discovered in 1880, piezoelectric materials play a key role in an innovative market of several billions of dollars. Recent advances in applications derive from new materials and their development, as well as to new market requirements. With the exception of quartz, ferroelectric materials are used for they offer both high efficiency and sufficient versatility to meet adequately the multidimensional requirements for application. Consequently, strong emphasis is placed on tailoring materials and technology, whether one deals with single crystals, ceramics or plastic materials. Tailoring requires a basic understanding of both physical principles and technical possibilities and limitations. This report elucidates these developments by a broad spectrum of examples, comprising ultrasound in medicine and defence industry, frequency control, signal processing by SAW-devices, sensors, actuators, including novel valves for modern motor management. It delivers a mutual fertilization of technology push and market pull that should be of interest not only to materials scientists or engineers but also to managers who dedicate themselves to a sound future-oriented R&D policy.

The transformation of vibrations into electric energy through the use of piezoelectric devices is an exciting and rapidly developing area of research with a widening range of applications constantly materialising. With Piezoelectric Energy Harvesting, world-leading researchers provide a timely and comprehensive coverage of the electromechanical modelling and applications of piezoelectric energy harvesters. They present principal modelling approaches, synthesizing fundamental material related to mechanical, aerospace, civil, electrical and materials engineering disciplines for vibration-based energy harvesting using piezoelectric transduction. Piezoelectric Energy Harvesting provides the first comprehensive treatment of distributed-parameter electromechanical modelling for piezoelectric energy harvesting with extensive case studies including experimental validations, and is the first book to address modelling of various forms of excitation in piezoelectric energy harvesting, ranging from airflow excitation to moving loads, thus ensuring its relevance to engineers in fields as disparate as aerospace engineering and civil engineering. Coverage includes: Analytical and approximate analytical distributed-parameter electromechanical models with illustrative theoretical case studies as well as extensive experimental validations Several problems of piezoelectric energy harvesting ranging from simple harmonic excitation to random vibrations Details of introducing and modelling piezoelectric coupling for various problems Modelling and exploiting nonlinear dynamics for performance enhancement, supported with experimental verifications Applications ranging from moving load excitation of slender bridges to airflow excitation of aeroelastic sections A review of standard nonlinear energy harvesting circuits with modelling aspects.

This book explains the state-of-the-art green piezoelectric energy harvesting (PEH) technology. It highlights different aspects of PEH, starting right from the materials, their synthesis, and characterization techniques to applications. Various types of materials, including ceramics, polymers, composites, and bio-inspired compounds in nano, micro, and meso scale and their recent advancements are captured in detail with special focus on lead-free systems. Different challenges and issues faced while designing a PEH are also included. Features: Guides on how to harvest piezoelectric energy in a sustainable manner. Describes related figures of merit for piezoelectric energy harvesting. Covers synthesis of piezoelectric materials in the form of bulk, single crystal, nano, and thin/thick film. Includes pertinent advanced characterization techniques. Reviews piezo-energy harvesting devices and structures. This book is aimed at researchers, professionals, and graduate students in electrical engineering, materials, and energy.

This volume presents the contributions of the 6th International Conference on Advancements of Medicine and Health Care through Technology – MediTech 2018, held between 17 – 20 October 2018 in Cluj-Napoca, Romania. The papers of this Proceedings volume present new developments in : - Health Care Technology - Medical Devices, Measurement and Instrumentation - Medical Imaging, Image and Signal Processing - Modeling and Simulation - Molecular Bioengineering - Biomechanics

Flexible Piezoelectric Energy Harvesters and Sensors A systematic and complete discussion of the latest progress in flexible piezoelectric energy harvesting and sensing technologies In Flexible Piezoelectric Energy Harvesters and Sensors, a team of distinguished researchers delivers a comprehensive exploration of the design methods, working mechanisms, microfabrication processes, and applications of flexible energy harvesters for wearable and implantable devices. The book discusses the monitoring of normal force, shear force, strain, and displacement in flexible sensors, as well as relevant artificial intelligence algorithms. Readers will also find an overview of design and research challenges facing professionals in the field, as well as a variety of perspectives on flexible energy harvesters and sensors. With an extensive focus on the use of flexible piezoelectric material technologies for medical applications, Flexible Piezoelectric Energy Harvesters and Sensors also includes: A thorough introduction to the working principles of piezoelectric devices, including discussions of flexible PEH and piezoelectric sensors Comprehensive treatments of the design of flexible piezoelectric energy harvesters, including the challenges associated with their structural design Fulsome explanations of the fabrication of flexible piezoelectric energy harvesters, including piezoelectric ceramic thin and think films In-depth treatments of cantilever piezoelectric energy harvesters, including optimized cantilever, bimorph, and optimized bimorph PEH Perfect for materials scientists, electronics engineers, and solid-state physicists, Flexible Piezoelectric Energy Harvesters and Sensors will also earn a place in the libraries of sensor developers, and surface physicists.