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Modern Piezoelectric Energy Harvesting Materials

Author : Christopher R. Bowen
ISBN : 9783319291437
Genre : Science
File Size : 90. 95 MB
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This book covers the topic of vibration energy harvesting using piezoelectric materials. Piezoelectric materials are analyzed in the context of their electromechanical coupling, heterogeneity, microgeometry and interrelations between electromechanical properties. Piezoelectric ceramics and composites based on ferroelectrics are advanced materials that are suitable for harvesting mechanical energy from vibrations using inertial energy harvesting which relies on the resistance of a mass to acceleration and kinematic energy harvesting which couples the energy harvester to the relative movement of different parts of a source. In addition to piezoelectric materials, research efforts to develop optimization methods for complex piezoelectric energy harvesters are also reviewed. The book is important for specialists in the field of modern advanced materials and will stimulate new effective piezotechnical applications.

Piezoelectric Energy Harvesting Systems

Author : Junrui Liang
ISBN : 3662536021
Genre : Science
File Size : 33. 12 MB
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This book investigates in detail piezoelectric energy harvesting (PEH) technology, assessing its potential us to replace conventional electrochemical batteries with kinetic energy harvesters as sustainable power supplies in wireless sensor network (WSN) devices and mobile electronics, which are originally exposed to ambient vibration. Studies on PEH have attracted engineers and scientists from various disciplines, such as electrical, mechanical, materials, civil and biomedical engineering. Pursuing a holistic approach, the book establishes a fundamental framework for this topic, while emphasizing the importance of integrated analysis and the significant influence of circuit issues in the design and optimization of PEH systems. This approach will help readers from different disciplines recognize the essential aspects of and milestones towards the optimization of PEH systems in practice. The book is intended for undergraduate and graduate students who are interested in energy harvesting technology, researchers investigating kinetic energy harvesting systems, and structure/circuit design engineers working on self-powered WSNs or other energy harvesting applications.

Power Enhancement For Piezoelectric Energy Harvesting Systems

Author : Wahied G. Ali Abdelaal
ISBN : 365931966X
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Piezoelectric energy harvester is an electromechanical device. It captures the environmental vibrations energy and converts it to electrical power. The generated power can energize wireless sensor nodes and tiny electronic devices. This technology is used to design self powered or "battery-less" microelectronic devices which have started to be available in the commercial market. In this work, the design parameters to maximize the power output are investigated. The analytical models and parametric identifications are developed for the piezoelectric bimorph structures. Power analysis to investigate the necessary conditions for optimization is achieved. The simulation results are carried out using PowerSim and Matlab softwares. The experimental work using LabVIEW software validated the main results and highlighted the concluded remarks. This book helps the engineers and researchers who are working in piezoelectric energy harvesting to understand and to develop their applications more effectively.

Piezoelectric Energy Harvesting

Author : Alper Erturk
ISBN : 1119991358
Genre : Technology & Engineering
File Size : 81. 84 MB
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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.

Frequency Analysis Of Vibration Energy Harvesting Systems

Author : Xu Wang
ISBN : 9780128025581
Genre : Science
File Size : 73. 31 MB
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Frequency Analysis of Vibration Energy Harvesting Systems aims to present unique frequency response methods for analyzing and improving vibration energy harvesting systems. Vibration energy is usually converted into heat energy, which is transferred to and wasted in the environment. If this vibration energy can be converted into useful electric energy, both the performance and energy efficiency of machines, vehicles, and structures will be improved, and new opportunities will open up for powering electronic devices. To make use of ambient vibration energy, an effective analysis and design method is established and developed in this book. The book covers a wide range of frequency response analysis methods and includes details of a variety of real-life applications. MATLAB programming is introduced in the first two chapters and used in selected methods throughout the book. Using the methods studied, readers will learn how to analyze and optimize the efficiency of vibration energy systems. This book will be ideal for postgraduate students and researchers in mechanical and energy engineering. Covers a variety of frequency response analysis methods, including Fourier and Laplace transform, transfer function, integration and state space for piezoelectric and electromagnetic vibration energy harvesting analysis Provides coverage of new and traditional methods of analyzing and optimizing the power and efficiency of vibration energy harvesting systems, with MATLAB exercises provided throughout Demonstrates a wide range of real-life applications, such as ocean wave energy conversion, vehicle suspension vibration energy harvesting, and more

Energy Harvesting Technologies

Author : Shashank Priya
ISBN : 9780387764641
Genre : Technology & Engineering
File Size : 50. 31 MB
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Energy Harvesting Technologies provides a cohesive overview of the fundamentals and current developments in the field of energy harvesting. In a well-organized structure, this volume discusses basic principles for the design and fabrication of bulk and MEMS based vibration energy systems, theory and design rules required for fabrication of efficient electronics, in addition to recent findings in thermoelectric energy harvesting systems. Combining leading research from both academia and industry onto a single platform, Energy Harvesting Technologies serves as an important reference for researchers and engineers involved with power sources, sensor networks and smart materials.

Piezoelectric Energy Harvesting System

Author : Emmanuel Bermudez
ISBN : OCLC:894526025
Genre :
File Size : 27. 65 MB
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Essentials Of Piezoelectric Energy Harvesting

Author : Kenji Uchino
ISBN : 9789811234651
Genre : Technology & Engineering
File Size : 33. 23 MB
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Piezoelectric energy is a renewable alternative energy source that operates on a smaller scale than renewable energy generation plants which generate Mega-Giga Watts of power. Its potential to 'eliminate' contemporary batteries, which are classified as hazardous wastes, makes it an important technological advancement in a world increasingly concerned about eliminating waste, increasing sustainability and shifting to more 'green' consumption habits.Authored by a pioneer of piezoelectric actuators and piezoelectric energy harvesting, this unique compendium provides a solid theoretical background of piezoelectrics, practical material selection, device design optimization, and energy harvesting electric circuits. Included in each chapter are a list of chapter essentials, check points, example problems and solutions, and practice problems.Written for advanced undergraduate and graduate students, university researchers, and industry engineers studying or working in the field of piezoelectric energy harvesting systems, the useful reference text provides readers with the essential knowledge to conduct research and raises readers' awareness of known pitfalls and mis-directions in the field.

Modeling And Characterization Of Piezoelectric Energy Harvesting Systems With The Pulsed Resonant Converter

Author : Alex Geoffrey Phipps
ISBN : OCLC:709593986
Genre :
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In this work, lumped element modeling techniques are used to model the behavior of the piezoelectric transducer. Two system-level models are presented, one using a full lumped element model (LEM) of the transducer and the other using a simplified resonant transducer model. The finite losses in the PRC are included in both models. An experimental test bed is developed, which includes several piezoelectric transducers and a discrete PRC implementation. Through experimental characterization of the energy harvesting system, it is shown that the full LEM accurately captures the behavior of the system over a range of vibration frequencies, while the simplified resonant model is only valid at a single operating frequency. The effects of modeling losses in the power converter are also demonstrated. For the specific systems implemented in this work, is it shown that an ideal model with zero losses overpredicts the power delivered to the load by 30-50%.

Nanostructured Piezoelectric Energy Harvesters

Author : Joe Briscoe
ISBN : 9783319096322
Genre : Science
File Size : 81. 49 MB
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This book covers a range of devices that use piezoelectricity to convert mechanical deformation into electrical energy and relates their output capabilities to a range of potential applications. Starting with a description of the fundamental principles and properties of piezo- and ferroelectric materials, where applications of bulk materials are well established, the book shows how nanostructures of these materials are being developed for energy harvesting applications. The authors show how a nanostructured device can be produced, and put in context some of the approaches that are being investigated for the development of nanostructured piezoelectric energy harvesting devices, also known as nanogenerators. There is growing interest in strategies for energy harvesting that use a variety of existing and well-known materials in new morphologies or architectures. A key change of morphology to enable new functionality is the nanostructuring of a material. One area of particular interest is self-powered devices based on portable energy harvesting. The charging of personal electronic equipment and other small-scale electronic devices such as sensors is a highly demanding environment that requires innovative solutions. The output of these so-called nanogenerators is explained in terms of the requirements for self-powered applications. The authors summarise the range of production methods used for nanostructured devices, which require much lower energy inputs than those used for bulk systems, making them more environmentally friendly and also compatible with a wide range of substrate materials.

Power Optimization Configurations In Piezoelectric Energy Harvesting Systems

Author : Kristen Thompson
ISBN : OCLC:1242866616
Genre : Piezoelectric devices
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Energy harvesting research from vibration gained great interest for its potential to excel in lower power applications. Often piezoelectric devices are implemented and harness the vibrational frequency as a means to excite the component. The piezoelectric device converts mechanical strain into electrical charge and exists in various prototypes. The cantilevered beam and performance are dependent on the material configuration, size, shape, and layers. This thesis analyzes several piezoelectric components to determine the best way for power optimization and efficiency in this conversion. Store purchased piezoelectric components were soldered and assembled electrically in series or parallel. To increase energy harvesting efficiency at different frequencies, which exist primarily from an ambient source, the output prototype was analyzed.

Piezoelectric Energy Harvesting

Author : Mohammad Adnan Ilyas
ISBN : 9781945612718
Genre : Technology & Engineering
File Size : 81. 22 MB
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Environmental pollution has been one of the main challenges for sustainable development. Piezoelectric materials can be used as a means of transforming ambient vibrations into electrical energy to power devices. The focus is on an alternative approach to scavenge energy from the environment. This book presents harvesting methodologies to evaluate the potential effectiveness of different techniques and provides an overview of the methods and challenges of harvesting energy using piezoelectric materials. Piezoelectric energy harvesters have many applications, including sensor nodes, wireless communication, microelectromechanical systems, handheld devices, and mobile devices. The book also presents a new approach within piezoelectric energy harvesting using the impact of raindrops. The energy-harvesting model presented is further analyzed for single-unit harvester and an array of multiple harvesters to maximize the efficiency of the device.

Energy Harvesting With Piezoelectric And Pyroelectric Materials

Author : Nantakan Muensit
ISBN : 9783038136583
Genre : Technology & Engineering
File Size : 50. 17 MB
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Volume is indexed by Thomson Reuters BCI (WoS). The purpose of this book is to present the current state of knowledge in the field of energy harvesting using piezoelectric and pyroelectric materials. The book is addressed to students and academics engaged in research in the fields of energy harvesting, material sciences and engineering. Scientists and engineers who are working in the area of energy conservation and renewable energy resources should find it useful as well. Explanations of fundamental physical properties such as piezoelectricity and pyroelectricity are included to aid the understanding of the non-specialist. Specific technologies and particular applications are also presented. This book is divided into two parts, each subdivided into chapters. Part I concerns fundamentals. Chapter 1 reports the discoveries, standard issues and various materials involved with energy harvesting. Chapter 2 presents electromechanical models enabling an understanding of how energy harvesting systems behave. The vibration theory and designs for various piezoelectric energy harvesting structures are addressed in Chapter 3. Chapter 4 describes the analytical expressions for the energy flow in piezoelectric energy harvesting systems, in particular, with cymbal and flexible transducers. A description of the conversion enhancement for powering low-energy consumption devices is presented in Chapter 5. Part II concerns Applications and Case Studies. It begins with Chapter 6, in which the principles and applications of piezoelectric nanogenerators are reported. Chapter 7 describes the utilization of energy harvesting from low-frequency energy sources. There are more ways to use vibrational energy than waste heat. However, Chapter 8 presents the fundamentals of an important application of heat conversion with a copolymer. Finally, commercial energy harvesting products and a technological forecast are provided in Chapter 9.

Mechanical Design Of Piezoelectric Energy Harvesters

Author : Qingsong Xu
ISBN : 0128233648
Genre : Technology & Engineering
File Size : 40. 52 MB
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Mechanical Design of Piezoelectric Energy Harvesters: Generating Electricity from Human Walking provides the state-of-the-art, recent mechanical designs of piezoelectric energy harvesters based on piezoelectric stacks. The book discusses innovative mechanism designs for energy harvesting from multidimensional force excitation, such as human walking, which offers higher energy density. Coverage includes analytical modeling, optimal design, simulation study, prototype fabrication, and experimental investigation. Detailed examples of their analyses and implementations are provided. The book's authors provide a unique perspective on this field, primarily focusing on novel designs for PZT Energy harvesting in biomedical engineering as well as in integrated multi-stage force amplification frame. This book presents force-amplification compliant mechanism design and force direction-transmission mechanism design. It explores new mechanism design approaches using piezoelectric materials and permanent magnets. Readers can expect to learn how to design new mechanisms to realize multidimensional energy harvesting systems. Provides new mechanical designs of piezoelectric energy harvesters for multidimensional force excitation Contains both theoretical and experimental results Fully supported with real-life examples on design, modeling and implementation of piezoelectric energy harvesting devices

Micro Piezoelectric Energy Harvester Applied In Broadband Rotational Energy Harvesting System

Author : 傅泳馨
ISBN : OCLC:1090529331
Genre :
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Designs Of Mems And Bulk Sized Piezoelectric Energy Harvesting Systems For Ultra Low Power And Bandwidth Extension

Author : 施雅蘐
ISBN : OCLC:1066231309
Genre :
File Size : 24. 8 MB
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Optimization Of Piezoelectric Energy Harvesting System

Author : Man Sang Chow
ISBN : OCLC:1027934106
Genre : Piezoelectric devices
File Size : 29. 75 MB
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Piezoelectric Energy Harvesting Via Frequency Up Conversion Technology

Author : Amin Abedini
ISBN : OCLC:1132292922
Genre : Energy harvesting
File Size : 86. 7 MB
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Ambient energy harvesting has attracted significant attention over the last years for applications such as wireless sensors, implantable devices, health monitoring systems, and wearable devices. The methods of vibration-to-electric energy conversion can be included in the following categories: electromagnetic, electrostatic, and piezoelectric. Among various techniques of vibration-based energy harvesting, piezoelectric transduction method has received the most attention due to the large power density of the piezoelectric material and its simple architectures. In contrast to electromagnetic energy harvesting, the output voltage of a piezoelectric energy harvester is high, which can charge a storage component such as a battery. Compared to electrostatic energy harvester, the piezoelectric energy harvester does not require an external voltage supply. Also, piezoelectric harvesters can be manufactured in micro-scale, where they show better performance compared to other energy harvesters, owing to the well-established thick-film and thin-film fabrication techniques. The main drawback of the linear piezoelectric harvesters is that they only retrieve energy efficiently when they are excited at their resonance frequencies, which are usually high, while they are less efficient when the excitation frequency is distributed over a broad spectrum or is dominant at low frequencies. High-frequency vibrations can be found in machinery and vehicles could be used as the energy source but, most of the vibration energy harvesters are targeting at low-frequency vibration sources which are more achievable in the natural environment. One way to overcome this limitation is by using the frequency-up-conversion technology via impacts, where the source of the impacts can be one or two stoppers or more massive beams. The impact makes the piezoelectric beam oscillate in its resonance frequency and brings nonlinear behavior into the system. The goal of this research is to enhance the piezoelectric harvester's energy retrieving performance from ambient vibrations with low or varying frequencies. In this work, impact-based piezoelectric energy harvesters were studied by discontinuous mapping dynamics. Discontinuous dynamics has been extensively applied in mechanical dynamics and physics field. Since the nature of the most environmental vibrations is periodic, periodic motions of the impact-based piezoelectric harvester were studied. Four different possible motion phases have been identified and categorized based on the performance of the output energy of the system. Many periodic motions are possible depending on the physical properties of the energy harvester setup. So far, we studied three different periodic motions of two beams interacting with each others, where period-1 and period-2 motions of the system are predicted. The stability of the system were analyzed and bifurcation graphs for each periodic motions were presented.

Piezoelectric Aeroelastic Energy Harvesting

Author : Hassan Elahi
ISBN : 9780128241776
Genre : Science
File Size : 40. 69 MB
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Piezoelectric Aeroelastic Energy Harvesting explains the design and implementation of piezoelectric energy harvesting devices based on fluid-structure interaction. There is currently an increase in demand for low power electronic instruments in a range of settings, and recent advances have driven their energy consumption downwards. As a result, the possibility to extract energy from an operational environment is of growing significance to industry and academic research globally. This book solves problems related to the integration of smart structures with the aeroelastic system, addresses the importance of the aerodynamic model on accurate prediction of the performance of the energy harvester, describes the overall effect of the piezoelectric patch on the dynamics of the system, and explains different mechanisms for harvesting energy via fluid-structure interaction. This wealth of innovative technical information is supported by introductory chapters on piezoelectric materials, energy harvesting and circuits, and fluid structure interaction, opening this interdisciplinary topic up for readers with a range of backgrounds. Provides new designs of piezoelectric energy harvesters for fluid-structure interaction Explains how to correctly model aerodynamics for effective aeroelastic energy harvesting Numerical examples allow the reader to practice the design, modeling and implementation of piezoelectric energy harvesting devices

Multifunctional Piezoelectric Energy Harvesting Concepts

Author : Steven Robert Anton
ISBN : OCLC:720177641
Genre :
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Energy harvesting technology has the ability to create autonomous, self-powered electronic systems that do not rely on battery power for their operation. The term energy harvesting describes the process of converting ambient energy surrounding a system into useful electrical energy through the use of a specific material or transducer. A widely studied form of energy harvesting involves the conversion of mechanical vibration energy into electrical energy using piezoelectric materials, which exhibit electromechanical coupling between the electrical and mechanical domains. Typical piezoelectric energy harvesting systems are designed as add-on systems to a host structure located in a vibration rich environment. The added mass and volume of conventional vibration energy harvesting designs can hinder to the operation of the host system. The work presented in this dissertation focuses on advancing piezoelectric energy harvesting concepts through the introduction of multifunctionality in order to alleviate some of the challenges associated with conventional piezoelectric harvesting designs. The concept of multifunctional piezoelectric self-charging structures is explored throughout this work. The operational principle behind the concept is first described in which piezoelectric layers are directly bonded to thin-film battery layers resulting in a single device capable of simultaneously harvesting and storing electrical energy when excited mechanically. Additionally, it is proposed that self-charging structures be embedded into host structures such that they support structural load during operation. An electromechanical assumed modes model used to predict the coupled electrical and mechanical response of a cantilever self-charging structure subjected to harmonic base excitation is described. Experimental evaluation of a prototype self-charging structure is then performed in order to validate the electromechanical model and to confirm the ability of the device to operate in a self-charging manner. Detailed strength testing is also performed on the prototype device in order to assess its strength properties. Static three-point bend testing as well as dynamic harmonic base excitation testing is performed such that the static bending strength and dynamic strength under vibration excitation is assessed. Three-point bend testing is also performed on a variety of common piezoelectric materials and results of the testing provide a basis for the design of self-charging structures for various applications. Multifunctional vibration energy harvesting in unmanned aerial vehicles (UAVs) is also investigated as a case study in this dissertation. A flight endurance model recently developed in the literature is applied to model the effects of adding piezoelectric energy harvesting to an electric UAV. A remote control foam glider aircraft is chosen as the test platform for this work and the formulation is used to predict the effects of integrating self-charging structures into the wing spar of the aircraft. An electromechanical model based on the assumed modes method is then developed to predict the electrical and mechanical behavior of a UAV wing spar with embedded piezoelectric and thin-film battery layers. Experimental testing is performed on a representative aluminum wing spar with embedded self-charging structures in order to validate the electromechanical model. Finally, fabrication of a realistic fiberglass wing spar with integrated piezoelectric and thin-film battery layers is described. Experimental testing is performed in the laboratory to evaluate the energy harvesting ability of the spar and to confirm its self-charging operation. Flight testing is also performed where the fiberglass spar is used in the remote control aircraft test platform and the energy harvesting performance of the device is measured during flight.

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