Piezo-electricity

Part 2 book "Energy harvesting with functional materials and microsystems" includes content: Polymer solar cell - an energy source for low power consumption electronics; inverted organic solar cells; monocrystalline silicon solar cell optimization and modeling; piezoelectric thin films and their application to vibration energy harvesters; piezoelectric vibration energy harvesters - modeling, design, limits, and benchmarking.

149p dianmotminh01 20-05-2024 3 2   Download

Part 2 of ebook "Mechatronic systems design: Methods, models, concepts" provides readers with contents including: Chapter 6 - Functional realization electrostatic transducers; Chapter 7 - Functional realization piezoelectric transducer; Chapter 8 - Functional realization electromagnetically - acting transducers; Chapter 9 - Functional realization digital information processing; Chapter 10 - Control theoretical aspects;...

412p dongmelo 20-05-2024 4 2   Download

his paper investigates the nonlinear vibration of imperfect smart sandwich plate which consists of an auxetic graphene reinforced metal matrix composite (GRRMC) core layer integrated with two magneto-electro-elastic face sheets. The Poisson’s ratio of the GRMMC core is negative while the material properties of magneto-electro-elastic face sheets depend on the volume fraction of piezoelectric and piezomagnetic phases.

10p dathienlang1012 03-05-2024 1 0   Download

This paper proposes a new method to improve the three-dimensional (3D) high precision optical surface measurement using a non-contact laser focusing probe. Herein, the displacement or the profile of the tested surface can be obtained by measuring the driving voltage curve to the piezoelectric translator's (PZT) expansion distance.

8p dathienlang1012 03-05-2024 1 0   Download

A novel frequency domain assurance criterion, called hereby Spectral Assurance Criterion (SAC), is proposed for frequency response analysis of cracked piezoelectric beam under moving load. First, a model of cracked beam bonded with a piezoelectric layer under moving harmonic load is conducted based on the double beam conception and then, analytical expressions of midspan beam deflection (mechanical response) and output charge produced in the piezoelectric layer (electric response) has been established in the frequency domain.

10p dathienlang1012 03-05-2024 1 0   Download

In the paper "Thermal buckling of P-FGM sandwich beam with porous core on elastic foundation", a coupled effect of thermal and electrical loadings on the thermal buckling behavior of functionally graded material (FGM) sandwich beam resting on Pasternak foundation is investigated. The symmetric multi-layered beam consists of a foam core, two middle FGM layers, and two outer piezoelectric layers. It is assumed that the beam is subjected to a constant voltage and a uniform/linear temperature rise.

10p dathienlang1012 03-05-2024 1 0   Download

In the present report, a novel concept of frequency response function (FRF) is introduced for piezoelectric beam. First, a model of Timoshenko beam bonded with a piezoelectric layer is established and used for deriving the conventional frequency response function acknowledged as mechanical frequency response function (MERF). Then, the output charge produced in the piezoelectric layer is calculated from the MFRF and therefore obtained frequency-dependent function is called electrical frequency response function (EFRF) for the integrated beam.

16p dianmotminh02 03-05-2024 2 1   Download

Ebook "Soft actuators materials, modeling, applications, and future perspectives" with 12 chapters added to the first edition. The subject of this new edition is current comprehensive research and development of soft actuators, covering interdisciplinary study of materials science, mechanics, electronics, robotics, and bioscience. The book includes contemporary research of actuators based on biomaterials for their potential in future artificial muscle technology.

492p tudohanhtau1006 29-03-2024 2 1   Download

Ebook "Vertebrate hair cells" presents a series of comprehensive and synthetic reviews of the fundamental topics in modern auditory - search. The volumes are aimed at all individuals with interests in hearing research including advanced graduate students, postdoctoral researchers, and clinical investigators. The volumes are intended to introduce new investigators to important aspects of hearing science and to help established investigators to better understand the fundamental theories and data in fields of hearing that they may not normally follow closely.

465p duongthandue0501 28-02-2024 1 1   Download

Ebook "Piezoceramic sensors (Microtechnology and MEMS series)" 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.

503p manmanthanhla0201 26-02-2024 1 1   Download

Part 2 book "Internal combustion engines improving performance, fuel economy and emissions" includes content: Design of an electromagnetic variable valve train with a magnetorheological buffer, comparison of the emissions, noise, and fuel consumption comparison of direct and indirect piezoelectric and solenoid injectors in a low compression ratio diesel engine, comparative analysis of the combustion stability of diesel methanol and diesel ethanol in a dual fuel enginem,... and other contents.

157p muasambanhan07 18-02-2024 4 2   Download

This paper considers the single-degree-of-freedom (SDOF) base excited isolation with piezoelectric energy harvesting. The purpose of this paper is to find how the energy harvesting circuit affects the fixed point of the frequency response.

6p vimarillynhewson 02-01-2024 6 3   Download

This report presents an analytical approach to the natural frequency analysis of a porous beam consisting of a host porous layer reinforced with graphene platelets (GPLs), namely GPL-reinforced porous core, and two piezoelectric outer layers. In the modelling, symmetric distributions of both porosity and GPLs in the core are supposed.

13p viisac 15-09-2023 7 3   Download

Dynamic vibration absorber (DVA) integrated with a piezoelectric stack energy harvesting subjected to base excitation is introduced in this paper. The system of dynamic vibration absorber and piezoelectric stack energy harvesting system (DVA-PSEH) has two functions, the first is to reduce vibrations for the primary system, and the second is to convert a part of the vibrational energy into electricity through the piezoelectric effect.

10p viisac 15-09-2023 7 3   Download

For several decades, a focus has been placed on the development of future flexible electronics, including electronic skin, wearable devices, environmental monitoring systems and the Internet of things (IoT) network.

23p viberbers 09-08-2023 6 4   Download

Shape and vibration controls of smart structures in structural applications have gained much attraction due to their ability of actuation and sensing. The response of structure to bending, vibration, and buckling can be controlled by the use of this ability of a piezoelectric material. In the present work, the static and dynamic control of smart piezolaminated beams is presented.

8p viberbers 09-08-2023 6 3   Download

String based MEMS devices recently attract world technology development thanks to their advantages over cantilever ones. Approaching to this direction, the paper reports on the micro-fabrication and characterization of free-standing doubly clamped piezoelectric beams based on heterostructures of Pd/ FeNi/Pd/PZT/LSMO/STO/Si. The displacement of strings is investigated in both static and dynamic mode.

6p viberbers 09-08-2023 4 3   Download

In this study, we describe the operation of piezoelectric energy converters and electromechanical modeling of piezoelectric energy harvesting (PEH) devices based on microelectromechanical systems (MEMS) for low-power sensors. Consideration is given to a piezoelectric energy harvester based on standard MEMS. The parameters are determined and optimized using a simple MEMS cantilever model.

8p viwhitewolf 11-07-2023 7 3   Download

This report presents an analytical approach to the natural frequency analysis of a porous beam consisting of a host porous layer reinforced with graphene platelets (GPLs), namely GPL-reinforced porous core, and two piezoelectric outer layers. In the modelling, symmetric distributions of both porosity and GPLs in the core are supposed. The effective mechanical properties of the GPL-reinforced porous core are estimated by Halpin–Tsai model and the rule of mixture.

13p viwolverine 11-07-2023 3 2   Download

The properties of Rayleigh-type surface wave in a linear, homogeneous and transversely isotropic nonlocal micropolar piezoelectric solid half-space are explored. Dispersion relations for Rayleigh-type surface wave are derived for both charge free and electrically shorted cases.

13p viwolverine 11-07-2023 5 2   Download