Read Books Online and Download eBooks, EPub, PDF, Mobi, Kindle, Text Full Free.
Flexible Capacitive Pressure Sensors And Triboelectric Energy Harvesters Using Laser Assisted Patterning Process For Flexible Hybrid Electronic Applications
Download Flexible Capacitive Pressure Sensors And Triboelectric Energy Harvesters Using Laser Assisted Patterning Process For Flexible Hybrid Electronic Applications full books in PDF, epub, and Kindle. Read online Flexible Capacitive Pressure Sensors And Triboelectric Energy Harvesters Using Laser Assisted Patterning Process For Flexible Hybrid Electronic Applications ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Flexible Capacitive Pressure Sensors and Triboelectric Energy Harvesters Using Laser-assisted Patterning Process for Flexible Hybrid Electronic Applications by : Valliammai Palaniappan
Download or read book Flexible Capacitive Pressure Sensors and Triboelectric Energy Harvesters Using Laser-assisted Patterning Process for Flexible Hybrid Electronic Applications written by Valliammai Palaniappan and published by . This book was released on 2020 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work focuses on the design, fabrication and characterization of novel flexible capacitive pressure sensors and triboelectric energy harvesters using laser-assisted patterning process for flexible hybrid electronic applications. Initially, the capacitive pressure sensor was developed by fabricating a set of polydimethylsiloxanes (PDMS) dielectric films with pyramid shaped micro-structures using a laser-assisted patterning process. The pressure sensor consists of two electrodes (top and bottom) that were fabricated by depositing silver (Ag) on flexible polyethylene terephthalate (PET) using additive screen-printing process. Finally, the pressure sensor was assembled by attaching the top and bottom Ag electrodes to the smooth side of pyramid shaped micro-structured PDMS dielectric layers. The capability of the fabricated pressure sensor was investigated by subjecting the sensor to pressures ranging from 0 to 10 kPa. In addition, the stability of the fabricated pressure sensor towards the applied pressure, response and recovery time of the pressure sensor, as well as the hysteresis of the fabricated pressure sensor was also studied. Then, a flexible vertical contact-separation mode based triboelectric nanogenerator (TENG) was fabricated using laser-assisted patterning and additive screen-printing processes. A micro-pyramid patterned polydimethyl siloxane (MP-PDMS) was prepared by using a laser engraved acrylic mold. A top and bottom electrode for TENG was fabricated by screen printing silver (Ag) on a flexible polyimide substrate. The MP-PDMS, was bonded to the bottom electrode using a thin layer of adhesive PDMS. The MP-PDMS and the printed polyimide electrodes were employed as positive and negative triboelectric layers, respectively to scavenge mechanical energy into electrical energy. The performance of the MP-TENG was demonstrated by investigating the open-circuit voltage, short-circuit current and instantaneous power on the load resistor.
Book Synopsis Flexible Sensors for Energy-Harvesting Applications by : Anindya Nag
Download or read book Flexible Sensors for Energy-Harvesting Applications written by Anindya Nag and published by Springer Nature. This book was released on 2022-04-21 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book investigates the fabrication of different types of flexible sensors and their subsequent implementation for energy-harvesting applications. A range of techniques, including 3D printing, soft lithography, laser ablation, micro-contract printing, screen-printing, inkjet printing and others have been used to form the flexible sensors with varied characteristics. These sensors have been used for biomedical, environmental and healthcare applications on the basis of their performances. The quality of these flexible sensors has depended on certain types of nanomaterials that have been used to synthesize the conductive parts of the prototypes. These nanomaterials have been based on different sizes and shapes, whose quality varied on the basis of certain factors like crystallinity, shapes and sizes. One of the primary utilization of these nanotechnology-based flexible sensors has been the harvesting of energy where nano-generators and nano-harvesters have been formed to generate and store energy, respectively, on small and moderate magnitudes. Mechanical and thermal energies have been harvested on the basis of the piezoelectric, pyroelectric and triboelectric effects created by the formed prototypes. The work highlights the amalgamation of these sectors to spotlight the essence of these types of sensors and their intended application.
Book Synopsis Development of Flexible Sensing Systems and Energy Harvesters Using Printing Techniques by : Sepehr Emamian
Download or read book Development of Flexible Sensing Systems and Energy Harvesters Using Printing Techniques written by Sepehr Emamian and published by . This book was released on 2017 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Printed electronics (PE) has been gaining a significant level of interest and is being used for developing a wide range of electronic systems for various applications, specifically in the sensor fields. This dissertation focuses on the development of flexible sensors and energy harvesters for application in sensing systems by employing additive manufacturing processes. Initially, an efficient surface enhanced Raman spectroscopy (SERS) substrate was fabricated by gravure printing a thin film of silver nanoparticle ink on a flexible polyethylene terephthalate (PET) sheet. The feasibility of the printed substrate to be used as a SERS substrate for the detection of explosive materials, such as DNT in the vapor phase, was demonstrated. An enhancement factor of three and four for the peaks at 1350.13 cm-1 was obtained for the SERS-based response of the printed SERS substrate toward DNT solution and vapor, respectively, when compared to target molecules adsorbed on bare PET. The effect of temperature on the intensity of Raman spectrum was also examined. The effect of bending on the SERS response was also investigated. The fabricated SERS substrate has the promising potential to be used as a cost-effective substitution in commercialized SERS detection applications. Then, piezoelectric-based touch sensors were successfully fabricated on flexible PET and paper substrates by using the screen printing technique. The capacitive devices were fabricated using silver and polyvinylidene uoride (PVDF) inks as the metallization and piezoelectric layers, respectively. Characterization of the substrates and various printed layers of the touch sensor were performed. Piezoelectric-voltage analysis demonstrated that the printed sensor can be used as both touch and force sensors. The advantage of fabricating touch sensors on flexible substrates is the ability to fold and place the sensor on nearly any platform or to conform to any irregular surface, whereas the additive properties of printing processes allow for a faster fabrication process, while simultaneously producing less material waste in comparison to the traditional subtractive processes. Finally, three generations of novel piezoelectric-based vibration energy harvester (PVEH) were fabricated and tested. For the first generation, the screen printing technique was used to deposit all piezoelectric and conductive layers of the device. In this device, a PVDF layer was sandwiched between two printed silver electrodes, all fabricated on a PET substrate. PVEHs in different dimensions were fabricated and tested. Test results showed that this fabrication process along with the polarization setup used in this project was not able to provide large enough piezoelectric coefficient so that the vibrated PVEH generates large enough voltage output to pass the rectifying circuit and power the resistive load. For the second generation, PVDF ink was screen printed onto a glass substrate and was peeled-off from the glass substrate after being cured. Then, conductive Metglas was tapped on both sides of the peeled-off PVDF film. The fabricated device was then characterized and tested. However, there were some opportunity to improve the performance of the second generation PVEH. Therefore, the third generation of PVEHs was fabricated by direct printing of silver ink onto PVDF film. In this approach, an aluminum mold was used to form a PVDF film. Then, screen printing technique was used to deposit silver ink onto both sides of the PVDF film as the bottom and top electrodes. The obtained results demonstrated the potential of using additive print manufacturing processes for the fabrication of cost-efficient, lightweight and flexible vibration energy harvesters.
Book Synopsis Flexible pressure and temperature sensors towards e-skin: material, mechanism, structure and fabrication by : Shengrui Tian
Download or read book Flexible pressure and temperature sensors towards e-skin: material, mechanism, structure and fabrication written by Shengrui Tian and published by OAE Publishing Inc.. This book was released on 2023-08-07 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electronic skin (E-skin) has gained significant attention due to its potential applications in the Internet of Things (IoT), artificial intelligence (AI), and flexible multi-sensing systems. Mimicking human skin, e-skin sensing devices can be employed in various scenarios. Among the most important sensing elements for tactile e-skin sensors are pressure and temperature sensors, which have increasingly garnered research interest over the past few decades. However, the design and fabrication of advanced pressure and temperature sensors can be challenging owing to complications such as signal interference, complex mechanism integration, and structural design issues. This review provides an overview of flexible pressure and temperature sensors used in e-skin, covering four main perspectives: material selection, mechanism integration, structural design, and manufacturing methods. The materials of different elements in the entire sensing system are comprehensively discussed, along with single and compound mechanisms of pressure and temperature sensing. Pressure and temperature sensors are divided into two types based on their electric output signals, which are exemplified in detail. The manufacturing methods used to fabricate these sensors, including printing methods, are outlined. Lastly, a summary of the future challenges faced by flexible pressure and temperature sensors used in e-skin is presented.
Book Synopsis Development of Strain and Pressure Sensors on Flexible and Stretchable Platforms by : Mohammed Mudher Mohammed Ali
Download or read book Development of Strain and Pressure Sensors on Flexible and Stretchable Platforms written by Mohammed Mudher Mohammed Ali and published by . This book was released on 2016 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: The capability of the human brain to operate in conjunction with human senses and muscles enables us to become powerful autonomous beings. By using these organs, humans can interact with the surrounding environment. Similarly, the combination of sensors with the signal processing of modern electronics enables the interaction with the non-electrical environment. In this thesis, the work focuses on the design and fabrication of flexible and stretchable sensors which have been receiving an increased interest for applications such as human body movement, tracking in the biomedical industry, object detection, fingerprint sensor as well as for monitoring deformations or structural changes in civil infrastructural assets. This thesis is organized in two projects. In the first project, a printed strain sensor was successfully fabricated, based on a metal-metal composite based strain sensor on a flexible and stretchable thermoplastic polyurethane (TPU) substrate. A silver nanowire (Ag NW)/Ag flake composite ink was screen printed on the TPU substrate as the metal-metal composite. Silver nanowires were chosen as the stretchable filler because of its ability to maintain electrical conductivity under tensile strains. Aa silver flake was chosen due to its viscous nature (12 Pa.s) and good adhesion properties, and both materials are compatible with the screen printing process. The capability of the fabricated strain sensor was demonstrated by investigating the electro-mechanical response to elongations of 1 mm, 2 mm and 3 mm. In the second project, a novel flexible capacitive pressure sensor was successfully developed for detecting applied pressure. The sensor was fabricated by creating PDMS based electrode channels that were filled with Eutectic Gallium-Indium (EGaIn) liquid metal. The master molds for the electrode channels were manufactured using conventional PCB technology. Then two separate PDMS layers were bonded together by corona discharge treatment, at room temperature and atmospheric pressure before the liquid metal is injected. The capability of the fabricated pressure sensor was demonstrated by investigating the capacitive based response of the device for varying applied pressures, ranging from 0.25 MPa to 1.1 MPa.
Book Synopsis Development of Fully Printed and Flexible Strain, Pressure and Electrochemical Sensors by : Dinesh Maddipatla
Download or read book Development of Fully Printed and Flexible Strain, Pressure and Electrochemical Sensors written by Dinesh Maddipatla and published by . This book was released on 2016 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, considerable research has been put into the development of printed electronics (PE) as well as the best ways to effectively and efficiently print electronic devices on flexible substrates. This thesis focuses majorly on the design and fabrication of novel flexible sensors using conventional printing processes. Initially, a flexible printed strain gauge was fabricated successfully on a flexible paper substrate using flexography printing process. Silver (Ag) ink was printed on the paper substrate as metallization layer. The performance of the printed device was investigated by subjecting the strain gauge to a 3-point bend test, with a displacement of 1 mm, 2 mm and 3 mm at 3 Hz operating frequency. The electro-mechanical response of the fabricated strain gauge, as a function of electrical resistance revealed that the sensor has a longer functional life for smaller displacements which is especially advantageous for structural asset monitoring applications. Then, a fully flexible carbon nanotube (CNT) capacitive pressure sensor was developed for the detection of varying applied pressures. The sensor was successfully fabricated using the screen printing technique. Polydimethylsiloxane (PDMS) was used as a dielectric layer and it was prepared using a PDMS pre-polymer and a curing agent mixed in a 10:1 ratio. The electrode design was directly screen printed using conductive CNT ink onto the PDMS dielectric layer. The capacitive response of the printed sensor for varying applied pressures demonstrated the feasibility of employing CNT based electrodes and PDMS dielectric layer for the development of an efficient, flexible and cost effective pressure sensors in sports, military, automotive and biomedical applications. Finally, a novel printed impedance based electrochemical sensor has been successfully developed on a paper substrate for the detection of various bio/chemicals. This flexible analytical device was fabricated by screen printing a two electrode sensor configuration on a wax-printed chromatography paper substrate. Ag ink was used for screen printing the working and circular electrodes. The electrical impedance spectroscopy (EIS) based response of the fabricated electrochemical sensor revealed the capability of the sensor to distinguish among varying levels (pico, nano, micro and milli) of potassium chloride (KCl) and glucose (C6H12O6) concentrations as well as the potential of employing paper substrate based electrochemical sensors for bio/chemical sensing applications.
Book Synopsis Triboelectric Nanogenerators by : Zhong Lin Wang
Download or read book Triboelectric Nanogenerators written by Zhong Lin Wang and published by Springer. This book was released on 2016-08-17 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces an innovative and high-efficiency technology for mechanical energy harvesting. The book covers the history and development of triboelectric nanogenerators, basic structures, working principles, performance characterization, and potential applications. It is divided into three parts: Part A illustrates the fundamental working modes of triboelectric nanogenerators with their prototype structures and theoretical analysis; Part B and Part C introduce two categories of applications, namely self-powered systems and self-powered active sensors. The book will be an ideal guide to scientists and engineers beginning to study triboelectric nanogenerators or wishing to deepen their knowledge of the field. Readers will be able to place the technical details about this technology in context, and acquire the necessary skills to reproduce the experimental setups for fabrication and measurement.
Book Synopsis Novel Vibrational Energy Harvesters Utilizing Piezoelectric Li-doped ZnO Nanowires and the Triboelectric Effect by : H. M. Ashfiqul Hamid
Download or read book Novel Vibrational Energy Harvesters Utilizing Piezoelectric Li-doped ZnO Nanowires and the Triboelectric Effect written by H. M. Ashfiqul Hamid and published by . This book was released on 2020 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vibration sources are omnipresent everywhere in our regular lives including the automobiles, aircraft, human body motion, wind flow, and water waves. Vibrational energy harvesters are electromechanical systems that can convert the ambient vibrations into electrical energy which can be stored to power up small scale electronic devices, essentially converting them into self-powered systems. The electronics industry has always propelled towards the scaling of electronic devices for improved flexibility and reduced production cost. This scaling, combined with the power-efficient designs, is widening the scope of applications for the energy harvesters. For instance, the vibrational energy harvesters have substantial applications in small scale sensor nodes, wearable electronics, robotics and prosthetics systems, mobile and implantable medical devices as well as in many other electronic systems. This dissertation presents the design, fabrication, and characterization of two such vibrational energy harvesting systems: the first one being a piezoelectric energy harvesting system based on Li-doped ZnO nanowires (NWs); and the second one being a microelectromechanical systems (MEMS) scale triboelectric energy harvesting system with high operating frequency and wide frequency bandwidth. A complete investigation of the effect of Li doping on the physical, material, electromechanical, and piezoelectric properties of ZnO NWs is presented in the first project. Low-temperature hydrothermal growth technique is used to grow vertically aligned crystalline ZnO NWs doped with different concentrations of Li. Characterization techniques reveal considerable physical, material, and electromechanical property modifications of the ZnO NWs due to the incorporation of Li dopants. Atomic Force Microscope (AFM) is utilized to apply a controlled amount of force on the fabricated NWs to assess their piezoelectric response. More than twenty two-fold improvement is observed in the sensitivity due to the combined effect of modifications in NW geometry and piezoelectric properties with the addition of Li. Finite element method simulations were performed to decouple the individual effect of Li doping on the NW size and on the piezoelectric coefficient as well as to see how much each effect plays a role in the sensitivity improvement. It is estimated that the changes in the material and electromechanical properties alone are responsible for more than seven-fold improvement in the sensitivity. The impact of the 'kick-out' diffusion mechanism of Li in ZnO is one of the major factors responsible behind this sensitivity improvement. It is also observed that there is an optimum level of Li doping concentration which can lead to the best piezoelectric performance by the ZnO NWs. The novelty of this work lies in the detailed analyses to illustrate the physics and impact of Li dopants in ZnO NW structures from a piezoelectric point of view towards improving their application as a nano-sensing and nano-energy harvesting element. For the second project, a novel triboelectric energy harvesting (TEH) and sensing system scaled down to MEMS size is presented. The design is structurally optimized for harvesting the highest average power and power density while ensuring the structural robustness. Unlike traditional triboelectric energy harvesters, this design results in a high operating frequency with a wide bandwidth. Adoption of MEMS fabrication techniques including the use of spin-coated Teflon AF rather than a Teflon sheet, adaptation of UV-LIGA (Ultra-Violet Lithographie, Galvanoformung, Abformung) with modifications and implementation of a thick polyimide sacrificial layer make the fabrication process unique. If excited by9.33g external vibration with a frequency of 1150 Hz, the TEH can generate 0.179 W average power and 0.597 W peak power at an optimum resistive load of 256 k. The peak surface power density, volumetric power density and acceleration-normalized volumetric power density reach 3.98 Wcm-2, 2.64 mWcm-3 and 30.3 Wcm-3/g2, respectively. While the surface power density of the presented TEH is moderate, the volumetric power density and acceleration-normalized volumetric power density are quite competitive among the state-of-the-art designs. The TEH also demonstrates a wide operating frequency bandwidth of 920 Hz. If operated as an accelerometer, the device shows a linear sensitivity of 43 mV/g. Although the simulation predicts the optimum operating frequency and load resistance of the system to be at 800 Hz and 10 M, respectively, the experimental results demonstrate these values to be at 1150 Hz and 256 K. A few fabrication anomalies, most notably the notching in the Teflon layer and bowing of the proof-mass, are responsible for this deviation. In addition, a distortion is observed in the simulated output voltage profile which is not present in the experimental output voltage profile due to the presence of the parasitic capacitance in the experimental circuit. The aforementioned triboelectric energy harvester can have specific applications in the sensor and actuator systems in the aircraft industry as well as in the automobile industry, micro-robotic systems, prosthetic systems, and sensor nodes in the internet of things (IoT) based on its operating frequency and bandwidth range.
Book Synopsis Fabrication of an Integrated Surface Microelectromechanical Capacitive Pressure Sensor Using an Aluminum Flexible Diaphragm with On-chip Electronics by : Ian P. Livingston
Download or read book Fabrication of an Integrated Surface Microelectromechanical Capacitive Pressure Sensor Using an Aluminum Flexible Diaphragm with On-chip Electronics written by Ian P. Livingston and published by . This book was released on 1999 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents the fabrication and characterization of a surface integrated microelectromechanical capacitive pressure sensor. The capacitor fabrication process uses standard IC processing to produce deformable, parallel-plate air-gap capacitors on the surface of the silicon-substrate and to create PMOS transistors, which form an integrated three-stage ring oscillator. This oscillator can then detect changes in the capacitance of the capacitor by a change in the frequency of its oscillation.
Book Synopsis Flexible Pressure Sensor Fabrication Using a Silver Film Capacitor by : Grant Metts
Download or read book Flexible Pressure Sensor Fabrication Using a Silver Film Capacitor written by Grant Metts and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Technology is at an age where one the major goals in industry is to seamlessly integrate electronic components into situations that have been thought previously impossible. Efforts have been made to create a pressure sensitive skin for robots, create medical sensors that replace invasive components with simple patches, and even put sensors into commonplace clothing items. With the increase in demand that society is placing on sensors, there is more of a need for pressure sensors that are completely flexible and arent held to the rigid restrictions of classical sensors. The goal of this thesis is to approach the problem of creating a flexible pressure sensor by using a simple capacitor designed to change its properties when pressure is applied. Through an iterative design approach, a completely flexible, stretchable pressure sensor made from silver-films and a PDMS dielectric layer has been created. The following paper walks through the fabrication process developed in the labs efforts and presents a capacitive sensor with an average capacitance of .170 pF/mm^2 that shows a 4.32% increase in capacitance under a 25 g load.
Book Synopsis Organic Flexible Electronics by : Piero Cosseddu
Download or read book Organic Flexible Electronics written by Piero Cosseddu and published by Woodhead Publishing. This book was released on 2020-09-29 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic Electronics is a novel field of electronics that has gained an incredible attention over the past few decades. New materials, device architectures and applications have been continuously introduced by the academic and also industrial communities, and novel topics have raised strong interest in such communities, as molecular doping, thermoelectrics, bioelectronics and many others.Organic Flexible Electronics is mainly divided into three sections. The first part is focused on the fundamentals of organic electronics, such as charge transport models in these systems and new approaches for the design and synthesis of novel molecules. The first section addresses the main challenges that are still open in this field, including the important role of interfaces for achieving high-performing devices or the novel approaches employed for improving reliability issues.The second part discusses the most innovative devices which have been developed in recent years, such as devices for energy harvesting, flexible batteries, high frequency circuits, and flexible devices for tattoo electronics and bioelectronics.Finally the book reviews the most important applications moving from more standard flexible back panels to wearable and textile electronics and more futuristic applications like ingestible systems. Reviews the fundamental properties and methods for optimizing organic electronic materials including chemical doping and techniques to address stability issues Discusses the most promising organic electronic devices for energy, electronics, and biomedical applications Addresses key applications of organic electronic devices in imagers, wearable electronics, bioelectronics
Book Synopsis Carbon Nanotube Electronics by : Ali Javey
Download or read book Carbon Nanotube Electronics written by Ali Javey and published by Springer Science & Business Media. This book was released on 2009-04-21 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a complete overview of the field of carbon nanotube electronics. It covers materials and physical properties, synthesis and fabrication processes, devices and circuits, modeling, and finally novel applications of nanotube-based electronics. The book introduces fundamental device physics and circuit concepts of 1-D electronics. At the same time it provides specific examples of the state-of-the-art nanotube devices.
Download or read book Nanopapers written by Wenyi Huang and published by William Andrew. This book was released on 2017-10-19 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanopapers: From Nanochemistry and Nanomanufacturing to Advanced Applications gives a comprehensive overview of the emerging technology of nanopapers. Exploring the latest developments on nanopapers in nanomaterials chemistry and nanomanufacturing technologies, this book outlines the unique properties of nanopapers and their advanced applications. Nanopapers are thin sheets or films made of nanomaterials such as carbon nanotubes, carbon nanofibers, nanoclays, cellulose nanofibrils, and graphene nanoplatelets. Noticeably, nanopapers allow highly concentrated nanoparticles to be tightly packed in a thin film to reach unique properties such as very high electrical and thermal conductivities, very low diffusivity, and strong corrosion resistance that are shared by conventional polymer nanocomposites. This book presents a concise introduction to nanopapers, covering concepts, terminology and applications. It outlines both current applications and future possibilities, and will be of great use to nanochemistry and nanomanufacturing researchers and engineers who want to learn more about how nanopapers can be applied. Outlines the main uses of nanopapers, showing readers how this emerging technology should best be applied Shows how the unique properties of nanopapers make them adaptable for use in a wide range of applications Explores methods for the nanomanufacture of nanopapers
Book Synopsis Functional Tactile Sensors by : Ye Zhou
Download or read book Functional Tactile Sensors written by Ye Zhou and published by Woodhead Publishing. This book was released on 2021-02-08 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functional Tactile Sensors: Materials, Devices and Integrations focuses on the subject of novel materials design and device integration of tactile sensors for functional applications. The book addresses the design, materials characteristics, device operation principles, specialized device application and mechanisms of the latest reported tactile sensors. The emphasis of the book lies in the materials science aspects of tactile sensors-understanding the relationship between material properties and device performance. It will be an ideal resource for researchers working in materials science, engineering and physics. Includes the latest advances and recent developments in tactile sensors for artificial intelligence applications Reviews the relationship between materials properties and device performance Addresses materials and device design strategies for targeted sensing applications
Book Synopsis Piezoelectric Energy Harvesting by : Alper Erturk
Download or read book Piezoelectric Energy Harvesting written by Alper Erturk and published by John Wiley & Sons. This book was released on 2011-04-04 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Analysis and Design Principles of MEMS Devices by : Minhang Bao
Download or read book Analysis and Design Principles of MEMS Devices written by Minhang Bao and published by Elsevier. This book was released on 2005-04-12 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sensors and actuators are now part of our everyday life and appear in many appliances, such as cars, vending machines and washing machines. MEMS (Micro Electro Mechanical Systems) are micro systems consisting of micro mechanical sensors, actuators and micro electronic circuits. A variety of MEMS devices have been developed and many mass produced, but the information on these is widely dispersed in the literature. This book presents the analysis and design principles of MEMS devices. The information is comprehensive, focusing on microdynamics, such as the mechanics of beam and diaphragm structures, air damping and its effect on the motion of mechanical structures. Using practical examples, the author examines problems associated with analysis and design, and solutions are included at the back of the book. The ideal advanced level textbook for graduates, Analysis and Design Principles of MEMS Devices is a suitable source of reference for researchers and engineers in the field. * Presents the analysis and design principles of MEMS devices more systematically than ever before. * Includes the theories essential for the analysis and design of MEMS includes the dynamics of micro mechanical structures * A problem section is included at the end of each chapter with answers provided at the end of the book.
Book Synopsis Laser-induced Graphene by : Ruquan Ye
Download or read book Laser-induced Graphene written by Ruquan Ye and published by . This book was released on 2020-11-30 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: LIG is a revolutionary technique that uses a common CO2 infrared laser scriber, like the one used in any machine shop, for the direct conversion of polymers into porous graphene under ambient conditions. This technique combines the preparation and patterning of 3D graphene in a single step, without the use of wet chemicals. The ease in the structural engineering and excellent mechanical properties of the 3D graphene obtained have made LIG a versatile technique for applications across many fields. This book compiles cutting-edge research on LIG by different research groups all over the world. It discusses the strategies that have been developed to synthesize and engineer graphene, including controlling its properties such as porosity, composition, and surface characteristics. The authors are pioneers in the discovery and development of LIG and the book will appeal to anyone involved in nanotechnology, chemistry, environmental sciences, and device development, especially those with an interest in the synthesis and applications of graphene-based materials.
