Structural Configuration Study For An Acoustic Wave Sensor
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Structural Configuration Study For An Acoustic Wave Sensor
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Author : Biaobiao Zhang
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2013
Structural Configuration Study For An Acoustic Wave Sensor written by Biaobiao Zhang and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Acoustic sensors have been developed for many years. However, most acoustic sensors in application are chemical sensors which rely on the chemical material principle to predict mechanical vibration response signals subject to acoustics waves. In this book, we propose the new acoustic wave detection approach, considering that a continuous structure such as beam or plate with several response characteristics from an acoustic excitation can be a candidate for a sensor used to locate an acoustic source. Acoustic waves will be successfully reconstructed only if this inverse method provides bounds to the ill-conditioned results during the identification process. So the Tikhonov regularization technique is employed for the wave reconstruction work from responses. Effects of sensor design parameters, such as material properties, sensor structure dimensions and random noise background on the wave detection quality have been evaluated. Results show that such an approach is very good and reliable, it can be practical in acoustic sensing and will have wide applications in the field of acoustic wave sensing, especially, in the areas of security and disaster recovery by using qualified sensors
Structural Configuration Study For An Acoustic Wave Sensor
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Author : Biaobiao Zhang
language : en
Publisher:
Release Date : 2012
Structural Configuration Study For An Acoustic Wave Sensor written by Biaobiao Zhang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Electronic dissertations categories.
A continuous structure has several response characteristics that make it a candidate for a sensor used to locate an acoustic source. Primary goals in developing such a sensor structure are to ensure that the response is rich enough to provide information about the impinging acoustic wave and to detect the direction of travel without being too sensitive to background noise. As such, there are several factors that must be examined with regard to sensor configuration and measurement requirements. This dissertation describes a set of studies that examine various configuration requirements for such a sensor. Some of the parameters of interest include the size, or aperture of the structure, boundary conditions, material properties, and thickness. The response of the structure to transient sinusoidal wave excitations will be examined analytically. The time-domain response of an Euler-Bernoulli beam excited by a traveling sinusoidal excitation is obtained based on modal superposition and verified by using a finite element method. Then, an approach using simple basis functions will be applied to achieve the goal of more efficient response and force identification. The moving force is identified in the time domain by extending previous inverse approaches. The Tikhonov regularization technique provides bounds to the ill-conditioned results in the identification problem. Both simulated displacement and velocity are considered for use in the inverse. To evaluate the method and examine various configurations, simulations with different numbers of sinusoidal half-cycles exciting the sensor structure are studied. Various levels of random noise are also added to the simulated displacements and velocities responses in order to study the effect of noise in moving wave load identification. Such a new approach in acoustic sensing has applications in the areas of security and disaster recovery.
Physical Model Study Of Wave Diffraction Refraction At An Idealized Inlet
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Author :
language : en
Publisher:
Release Date : 2002
Physical Model Study Of Wave Diffraction Refraction At An Idealized Inlet written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Hydrologic models categories.
Sensors Actuators And Microsystems General 213th Ecs Meeting
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Author : G. Hunter
language : en
Publisher: The Electrochemical Society
Release Date : 2008-11
Sensors Actuators And Microsystems General 213th Ecs Meeting written by G. Hunter and has been published by The Electrochemical Society this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-11 with Science categories.
The papers included in this issue of ECS Transactions were originally presented in the symposium ¿Sensors, Actuators, and Microsystems General Session¿, held during the 213th meeting of The Electrochemical Society, in Phoenix, Arizona from May 18 to 23, 2008.
Proceedings Of The Unified Conference Of Damas Income And Tepen Conferences Unified 2023
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Author : Andrew D. Ball
language : en
Publisher: Springer Nature
Release Date : 2024-05-29
Proceedings Of The Unified Conference Of Damas Income And Tepen Conferences Unified 2023 written by Andrew D. Ball and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-05-29 with Technology & Engineering categories.
This volume gathers the latest advances, innovations and applications in the field of condition monitoring, damage assessment and maintenance engineering, as presented by leading international researchers and engineers at the UNIfied Conference of DAMAS (International Conference on Damage Assessment of Structures), IncoME (International Conference on Maintenance Engineering) and TEPEN (The Efficiency and Performance Engineering) Conferences, held in Huddersfield, UK on August 29 – September 1, 2023. Topics include machinery dynamics, sensors and measurement systems, signal processing, structural damage identification and machine fault diagnosis, plant maintenance and reliability, machine health monitoring, asset management, life-cycle cost optimisation, prognostics and health management, maintenance performance measurement, manufacturing process monitoring, and robot-based monitoring and diagnostics. The contributions, which were selected through a rigorous internationalpeer-review process, share exciting ideas that will spur novel research directions and foster new multidisciplinary collaborations.
Handbook Of Optical Sensors
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Author : Jose Luis Santos
language : en
Publisher: CRC Press
Release Date : 2014-10-29
Handbook Of Optical Sensors written by Jose Luis Santos and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-10-29 with Science categories.
Handbook of Optical Sensors provides a comprehensive and integrated view of optical sensors, addressing the fundamentals, structures, technologies, applications, and future perspectives. Featuring chapters authored by recognized experts and major contributors to the field, this essential reference: Explains the basic aspects of optical sensors and
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995-08
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-08 with Aeronautics categories.
Surface Launched Acoustic Wave Sensors
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Author : Michael Thompson
language : en
Publisher: Wiley-Interscience
Release Date : 1997-04-11
Surface Launched Acoustic Wave Sensors written by Michael Thompson and has been published by Wiley-Interscience this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-04-11 with Science categories.
The book begins with a review of piezoelectricity and the genesis of acoustic wave devices, and the advent of chemical sensor technology. Subsequent chapters explore acoustic waves in solids and device structure, theory of acoustic wave response, and the various categories of acoustic wave device. The book describes the design of these devices and how they are applied in chemistry for the detection of species present in the gas and liquid phase, as well as the study of thin films placed on the sensor surface. Other topics covered include polymeric glass transitions, polymer properties, biosensor technology, and the development of sensor arrays. Each of the various types of device is examined with a view toward its application in chemistry in general and analytical chemistry in particular.
Research And Technology Program Digest Flash Index
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Author :
language : en
Publisher:
Release Date : 1967
Research And Technology Program Digest Flash Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Astronautics categories.
Research And Technology Program Digest
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date :
Research And Technology Program Digest written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.