Piezoceramic Sensors
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Piezoceramic Sensors
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Author : Valeriy Sharapov
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-09-01
Piezoceramic Sensors written by Valeriy Sharapov and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-01 with Science categories.
This book presents the latest and complete information about various types of piezosensors. A sensor is a converter of the measured physical size to an electric signal. Piezoelectric transducers and sensors are based on piezoelectric effects. They have proven to be versatile tools for the measurement of various processes. They are used for quality assurance, process control and for research and development in many different industries. In each area of application specific requirements to the parameters of transducers and sensors are developed. The book presents the fundamentals, technical design and details and practical applications. Methods to design piezosensors are described, allowing to create sensors with unique properties. New methods to measure physical sizes and new constructions of sensors including large area of piezosensors are described in this book. This book is written for specialists in transforming hydroacoustics, non-destructive control, measuring technique, sensors development for automatic control and also for graduate students.
Piezoceramic Sensors Actuators With Interdigitated Electrode Patterns
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Author : David McIntyre Pisani
language : en
Publisher:
Release Date : 2014
Piezoceramic Sensors Actuators With Interdigitated Electrode Patterns written by David McIntyre Pisani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Monolithic piezoelectric ceramic devices are well understood and employed in a wide variety of structural actuation and sensing applications. Over the last twenty years piezoceramic fiber composites with interdigitated electrodes (IDE) have fallen into favor. These piezocomposite devices with IDE have been shown to be more conformal, durable and responsive than conventional monolithic devices. One of the more prevalent piezocomposite devices with IDE is the Macro Fiber Composite (MFC) developed at the NASA-Langley Research Center. The MFC shows superior free strain actuation performance, manufacturability and reliability over conventional devices. While the MFC boasts some improved characteristics over conventional devices, the use of IDE also introduces added complexity. Simple in design, the IDE causes nonuniform electric fields, large electric field gradients and increased hysteresis in the device. Characterization and modeling efforts of the MFC beyond a linear approximation have been limited. The majority of published work relies on experimental quantification and a heavy reliance on linear finite element analysis. The MFC has significant time dependent effects, conduction issues, creep, and other nonlinear effects that have not been explored. This study serves as an attempt to rectify some of the previously overlooked issues of non-linearity in piezocomposite actuators with IDE. As a baseline of comparison, the capability of a MFC to serve as a strain sensing/actuating rosette was compared to single crystal PMN-PT. It was found that increased hysteresis and creep caused the MFC to perform poorly by comparison. This spurred the process of seeking improved IDE designs. A twenty actuator study was performed using actuators with different electrode line widths and spacings. It was found that the hysteresis of an actuator with IDE could be reduced, but with the sacrifice of some of the free strain actuation. For accurate strain sensing/actuation, devices with large electrode line widths were found to show less hysteresis. For maximal free strain actuation, devices with small electrode line widths and large electrode spacing were found to have larger free strain actuation. The free strain frequency response was explored for the MFC, and custom devices were designed to mitigate some of the frequency dependence. The IDE devices were characterized using a dielectric finite element model and using a nonlinear ferroelectric finite element model. A phase field model was also developed to explore domain formation along electrode edges.
Piezoelectric Sensors And Actuators
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Author : Stefan Johann Rupitsch
language : en
Publisher: Springer
Release Date : 2018-07-26
Piezoelectric Sensors And Actuators written by Stefan Johann Rupitsch and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-26 with Technology & Engineering categories.
This book introduces physical effects and fundamentals of piezoelectric sensors and actuators. It gives a comprehensive overview of piezoelectric materials such as quartz crystals and polycrystalline ceramic materials. Different modeling approaches and methods to precisely predict the behavior of piezoelectric devices are described. Furthermore, a simulation-based approach is detailed which enables the reliable characterization of sensor and actuator materials. One focus of the book lies on piezoelectric ultrasonic transducers. An optical approach is presented that allows the quantitative determination of the resulting sound fields. The book also deals with various applications of piezoelectric sensors and actuators. In particular, the studied application areas are · process measurement technology, · ultrasonic imaging, · piezoelectric positioning systems and · piezoelectric motors. The book addresses students, academic as well as industrial reseachers and development engineers who are concerned with piezoelectric sensors and actuators.
Experimental Characterization Of Modified And Thin Film Piezoceramic Sensors
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Author : Shantharam V. Dravida
language : en
Publisher:
Release Date : 2003
Experimental Characterization Of Modified And Thin Film Piezoceramic Sensors written by Shantharam V. Dravida and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Piezoelectric Ceramics
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Author : APC International, Ltd
language : en
Publisher:
Release Date : 2002
Piezoelectric Ceramics written by APC International, Ltd and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Piezoelectric ceramics categories.
APC International s first textbook on piezoelectric ceramics covers general principles of piezoelectricity and behaviors of piezoelectric ceramic elements; the fundamental mathematics of piezoelectricity; traditional and experimental applications for piezoelectric materials, and related physical principles for each application: audible sound producers, flow meters, fluid level sensors, motors, pumps, delay lines, transformers, other apparatus; and provides an introduction to single crystals, composites, and other latest-generation piezoelectric materials. Contents: Introduction Piezoelectric Principles piezoelectricity / piezoelectric constants behavior / stability of piezoelectric ceramic elements new materials: relaxors / single crystals / others characteristics of piezoelectric materials from APC International, Ltd. Generators generators solid state batteries Sensors axial sensors flexional sensors special designs and applications: composites / SAW sensors / others Actuators axial and transverse actuators: simple / compound (stack) / multilayer flexional actuators / flextensional devices applications for piezoelectric actuators Transducers audible sound transducers generating ultrasonic vibrations in liquids or solids transmitting ultrasonic signals in air or water flow meters / fluid level sensors / delay lines / transformers / composites Miscellaneous securing a piezoelectric ceramic element attaching electrical leads testing performance.
Piezo Electric Electro Acoustic Transducers
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Author : Valeriy Sharapov
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-08
Piezo Electric Electro Acoustic Transducers written by Valeriy Sharapov and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-08 with Technology & Engineering categories.
Electroacoustic transducers (EAT) are devices, which transform electric energy to energy of acoustic fluctuations. Principles of action, design of transducers for work in air and water as well as for non-destructive control are described in the book. New technologies of designing EAT, not only expanding designing possibilities, are described. They also allow to create transducers with improved characteristics. In particular, methods to increase target capacity (sound pressure), decrease working (resonant) frequency of transducers and expand frequencies of projectors and sound receivers are developed. Methods and control units of transducers in batch production of transducers are described, too.
Antiplane Motions Of Piezoceramics And Acoustic Wave Devices
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Author : Jiashi Yang
language : en
Publisher: World Scientific
Release Date : 2010-03-29
Antiplane Motions Of Piezoceramics And Acoustic Wave Devices written by Jiashi Yang and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-03-29 with Science categories.
This book focuses on dynamic antiplane problems of piezoelectric ceramics. It presents relatively simple theoretical solutions to many such problems, and attempts to use these solutions to demonstrate the operation and design of several acoustic wave devices. Some of the solutions are able to show the underlying physics clearly without the need for numerical computation. The problems treated include the propagation of plate waves, surface waves, interface waves, Love waves, gap waves, and vibrations of finite bodies of various shapes with applications in resonators, mass sensors, fluid sensors, interface sensors, phononic crystals, piezoelectric generators or power harvesters, piezoelectric transformers, power or signal transmission through an elastic wall, and acoustic wave excitation and detection for nondestructive evaluation.
Optimization And Characterization Of Piezo Ceramic Sensors Used In Smart Systems
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Author : V. R. Singh
language : en
Publisher:
Release Date : 1993
Optimization And Characterization Of Piezo Ceramic Sensors Used In Smart Systems written by V. R. Singh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
Smart sensor systems are now being increasingly found in various scientific and biomedical applications. Microminiature-type silicon sensors are common, and the development of electroceramic materials has now led to smart systems. The development and characterization of such piezo-ceramic materials are discussed in this paper. The optimization of various characteristics for increasing sensivity, thermal stability, repeatability, accuracy and other performance parameters of such piezo-sensors is highlighted for possible use in precision measurements and as scientific standards. Some applications based on these sensors for scientific and biomedical measurements are given. [Authors' abstract].
Piezoelectric Sensorics
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Author : Gustav Gautschi
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Piezoelectric Sensorics written by Gustav Gautschi and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Technology & Engineering categories.
For the first time, this book covers the entire field of piezoelectric sensors for mechanical measurands. It gives extensive practical advice along with an overview of the most important piezoelectric materials and their properties, plus consistent terminology for describing sensors.
Piezoelectric Materials And Devices
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Author : Farzad Ebrahimi
language : en
Publisher: BoD – Books on Demand
Release Date : 2013-02-27
Piezoelectric Materials And Devices written by Farzad Ebrahimi and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-02-27 with Technology & Engineering categories.
This book is a result of contributions of experts from international scientific community working in different aspects of piezoelectric materials and devices through original and innovative research studies. Through its 7 chapters the reader will have access to works related to the various applications of piezoelectric materials such as piezoelectric stacks in level sensors, pressure sensors, actuators for functionally graded plates, active and passive health monitoring systems, machining processes, nondestructive testing of aeronautical structures and acoustic wave velocity measurements. The text is addressed not only to researchers, but also to professional engineers, students and other experts in a variety of disciplines, both academic and industrial seeking to gain a better understanding of what has been done in the field recently, and what kind of open problems are in this area.