Development And Applications Of A Laser Micromachined Inter Digitated Capacitive Strain Sensor

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Development and Applications of a Laser Micromachined Inter-digitated Capacitive Strain Sensor

Author : Shreyas Kiran Thakar
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (759 download)

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Book Synopsis Development and Applications of a Laser Micromachined Inter-digitated Capacitive Strain Sensor by : Shreyas Kiran Thakar

Download or read book Development and Applications of a Laser Micromachined Inter-digitated Capacitive Strain Sensor written by Shreyas Kiran Thakar and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Reliable strain measurement plays a very important role in the damage detection of the mechanical and civil structures. It can also have a significant contribution in assisting the proper functioning of human body and organs. The current strain sensors and measurement systems have significant drawbacks in terms of high sensitivity to temperature, low gauge factor, low biocompatibility and bulky data acquisition/conditioning circuitry. These factors make the strain measurement unreliable and expensive. In this work, a laser micro-machined inter-digitated capacitive strain sensor was developed which overcame the limitations of existing strain sensing technologies. The structural health monitoring along with bladder volume sensing applications were targeted and the suitability of the sensor to these applications was verified. The capacitive strain sensor was made up of a low cost metal sheet which was micro-machined with a laser to form an inter-digitated structure. This structure was then encapsulated in a flexible, bio-compatible material which also acted as the dielectric. The connections were made on the metal with the help of a conductive paste to acquire the data. Design of the Inter-digitated capacitors with the highest possible capacitance value, precision and repeatability was chosen for the desired applications. The inter-digitated structure was sensitive to stretching and bending resulting in capacitance changes. Modifications and amendments were made in the initial device to enhance its suitability and performance for structural health monitoring applications. The sensor was attached to load bearing structures such as cantilevers and the variation in initial capacitance value was checked experimentally for different strains. A simple circuit was implemented to convert the capacitance changes into frequency changes for ease of remote data transmission. Devices with flexible inter-digitated fingers were fabricated through laser micro-machining in order to improve their performance for in-vivo applications. The suitability of the new devices was shown experimentally for monitoring strain changes of structures such as the urinary bladder. The testing of these devices is done with a wireless, batteryless circuit to verify the working of the strain sensors for inside body applications. In this work, the design, fabrication, observations and results for the desired applications have been discussed.

Interdigital Sensors

Author : Subhas Chandra Mukhopadhyay
Publisher : Springer Nature
ISBN 13 : 3030626849
Total Pages : 407 pages
Book Rating : 4.0/5 (36 download)

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Book Synopsis Interdigital Sensors by : Subhas Chandra Mukhopadhyay

Download or read book Interdigital Sensors written by Subhas Chandra Mukhopadhyay and published by Springer Nature. This book was released on 2021-02-15 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book highlights the research contributions of the interdigitated (IDT) sensors over a period of two decades in the field of sensing technology. It presents theory, design, and practical realization of the IDT sensors working over wide frequency rage for scientific, industrial, and consumer applications. The IDT sensors have been widely investigated for wide range of sensing applications including agriculture, environmental monitoring, structural health monitoring, health care, food and beverage testing, testing of dielectric material, proximity sensing, microfluidic application, automatic dispensing system etc. Hence, importance of IDT sensors is growing continuously for future applications. As such, it offers a key reference guide on IDT sensors for students, applied physicists, material scientists, engineers, sensors designers and technicians.

Laser-induced Graphene

Author : Ruquan Ye
Publisher :
ISBN 13 : 9789814877275
Total Pages : 88 pages
Book Rating : 4.8/5 (772 download)

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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.

Direct-Write Technologies for Rapid Prototyping Applications

Author : Alberto Pique
Publisher : Academic Press
ISBN 13 : 9780121742317
Total Pages : 756 pages
Book Rating : 4.7/5 (423 download)

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Book Synopsis Direct-Write Technologies for Rapid Prototyping Applications by : Alberto Pique

Download or read book Direct-Write Technologies for Rapid Prototyping Applications written by Alberto Pique and published by Academic Press. This book was released on 2002 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt: Direct-Write Technologies covers applications, materials, and the techniques in using direct-write technologies. This book provides an overview of the different direct write techniques currently available, as well as a comparison between the strengths and special attributes for each of the techniques. The techniques described open the door for building prototypes and testing materials. The book also provides an overview of the state-of-the-art technology involved in this field. Basic academic researchers and industrial development engineers who pattern thin film materials will want to have this text on their shelves as a resource for specific applications. Others in this or related fields will want the book to read the introductory material summarizing isuses common to all approaches, in order to compare and contrast different techniques. Everyday applications include electronic components and sensors, especially chemical and biosensors. There is a wide range of research and development problems requiring state-of-the-art direct write tools. This book will appeal to basic researchers and development engineers in university engineering departments and at industrial and national research laboratories. This text should appeal equally well in the United States, Asia, and Europe. Both basic academic researchers and industrial development engineers who pattern thin film materials will want to have this text on their shelves as a resource for specific applications. An overview of the different direct write techniques currently available A comparison between the strengths and special attributes for each of the techniques An overview of the state-of-the-art technology involved in this field

Electrical & Electronics Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 2304 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Electrical & Electronics Abstracts by :

Download or read book Electrical & Electronics Abstracts written by and published by . This book was released on 1997 with total page 2304 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Capacitive Sensors

Author : Larry K. Baxter
Publisher : John Wiley & Sons
ISBN 13 : 9780780353510
Total Pages : 324 pages
Book Rating : 4.3/5 (535 download)

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Book Synopsis Capacitive Sensors by : Larry K. Baxter

Download or read book Capacitive Sensors written by Larry K. Baxter and published by John Wiley & Sons. This book was released on 1996-09-03 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Capacitive sensors produce spectacular resolution of movement to one part in 10-10 meters and maintain exceptional long-term stability in hostile environments. They are increasingly used for a variety of jobs in consumer and industrial equipment, including wall stud sensors, keypads, lamp dimmers, micrometers, calipers, rotation encoders, and more. The most focused, authoritative book available in the field, Capacitive Sensors brings you complete information on the research, design, and production of capacitive sensors. This all-in-one source provides detailed, comprehensive coverage of key topics, including underlying theory, electrode configuration, and practical circuits. In addition, you'll find reviews of a number of tested systems never before published. Capacitive Sensors is a must-have for product designers and mechanical and electrical engineers interested in using this fast-developing technology to get top price and performance advantages.

Understanding Smart Sensors

Author : Randy Frank
Publisher : Artech House Publishers
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.4/5 (91 download)

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Book Synopsis Understanding Smart Sensors by : Randy Frank

Download or read book Understanding Smart Sensors written by Randy Frank and published by Artech House Publishers. This book was released on 1996 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Two of the most important trends in sensor development in recent years have been advances in micromachined sensing elements of all kinds, and the increase in intelligence applied at the sensor level. This book addresses both, and provides a good overview of current technology". -- I&CS

Sensors Handbook

Author : Sabrie Soloman
Publisher : McGraw Hill Professional
ISBN 13 : 0071605711
Total Pages : 1424 pages
Book Rating : 4.0/5 (716 download)

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Book Synopsis Sensors Handbook by : Sabrie Soloman

Download or read book Sensors Handbook written by Sabrie Soloman and published by McGraw Hill Professional. This book was released on 2009-08-05 with total page 1424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Complete, State-of-the-Art Coverage of Sensor Technologies and Applications Fully revised with the latest breakthroughs in integrated sensors and control systems, Sensors Handbook, Second Edition provides all of the information needed to select the optimum sensor for any type of application, including engineering, semiconductor manufacturing, medical, military, agricultural, geographical, and environmental implementations. This definitive volume discusses a wide array of sensors, including MEMS, nano, microfabricated, CMOS, smart, NIR, SpectRx(tm), remote-sensing, fiber-optic, light, ceramic, and silicon sensors. Several in-depth application examples from a variety of industries are included. The comprehensive details in this authoritative resource enable you to accurately verify the specifications for any required component. This is the most through, up-to-date reference on sensing technologies available.

Semiconductor Gas Sensors

Author : Raivo Jaaniso
Publisher : Woodhead Publishing
ISBN 13 : 0081025602
Total Pages : 510 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Semiconductor Gas Sensors by : Raivo Jaaniso

Download or read book Semiconductor Gas Sensors written by Raivo Jaaniso and published by Woodhead Publishing. This book was released on 2019-09-24 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductor Gas Sensors, Second Edition, summarizes recent research on basic principles, new materials and emerging technologies in this essential field. Chapters cover the foundation of the underlying principles and sensing mechanisms of gas sensors, include expanded content on gas sensing characteristics, such as response, sensitivity and cross-sensitivity, present an overview of the nanomaterials utilized for gas sensing, and review the latest applications for semiconductor gas sensors, including environmental monitoring, indoor monitoring, medical applications, CMOS integration and chemical warfare agents. This second edition has been completely updated, thus ensuring it reflects current literature and the latest materials systems and applications. Includes an overview of key applications, with new chapters on indoor monitoring and medical applications Reviews developments in gas sensors and sensing methods, including an expanded section on gas sensor theory Discusses the use of nanomaterials in gas sensing, with new chapters on single-layer graphene sensors, graphene oxide sensors, printed sensors, and much more

40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit July 11-14, 2004, Fort Lauderdale, FL.: 04-3950 - 04-3999

Author :
Publisher :
ISBN 13 :
Total Pages : 486 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis 40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit July 11-14, 2004, Fort Lauderdale, FL.: 04-3950 - 04-3999 by :

Download or read book 40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit July 11-14, 2004, Fort Lauderdale, FL.: 04-3950 - 04-3999 written by and published by . This book was released on 2004 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Optical MEMS

Author : Huikai Xie
Publisher : MDPI
ISBN 13 : 3039213032
Total Pages : 176 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis Optical MEMS by : Huikai Xie

Download or read book Optical MEMS written by Huikai Xie and published by MDPI. This book was released on 2019-08-06 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue Optical MEMS that was published in Micromachines

Smart Sensors and MEMS

Author : S Nihtianov
Publisher : Woodhead Publishing
ISBN 13 : 0081020562
Total Pages : 606 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Smart Sensors and MEMS by : S Nihtianov

Download or read book Smart Sensors and MEMS written by S Nihtianov and published by Woodhead Publishing. This book was released on 2018-02-27 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: Smart Sensors and MEMS: Intelligent Devices and Microsystems for Industrial Applications, Second Edition highlights new, important developments in the field, including the latest on magnetic sensors, temperature sensors and microreaction chambers. The book outlines the industrial applications for smart sensors, covering direct interface circuits for sensors, capacitive sensors for displacement measurement in the sub-nanometer range, integrated inductive displacement sensors for harsh industrial environments, advanced silicon radiation detectors in the vacuum ultraviolet (VUV) and extreme ultraviolet (EUV) spectral range, among other topics. New sections include discussions on magnetic and temperature sensors and the industrial applications of smart micro-electro-mechanical systems (MEMS). The book is an invaluable reference for academics, materials scientists and electrical engineers working in the microelectronics, sensors and micromechanics industry. In addition, engineers looking for industrial sensing, monitoring and automation solutions will find this a comprehensive source of information. Contains new chapters that address key applications, such as magnetic sensors, microreaction chambers and temperature sensors Provides an in-depth information on a wide array of industrial applications for smart sensors and smart MEMS Presents the only book to discuss both smart sensors and MEMS for industrial applications

Piezoelectric Energy Harvesting

Author : Alper Erturk
Publisher : John Wiley & Sons
ISBN 13 : 1119991358
Total Pages : 377 pages
Book Rating : 4.1/5 (199 download)

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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.

Printed Flexible Sensors

Author : Anindya Nag
Publisher : Springer
ISBN 13 : 3030137651
Total Pages : 198 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Printed Flexible Sensors by : Anindya Nag

Download or read book Printed Flexible Sensors written by Anindya Nag and published by Springer. This book was released on 2019-03-11 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents recent advances in the design, fabrication and implementation of flexible printed sensors. It explores a range of materials for developing the electrode and substrate parts of the sensors, on the basis of their electrical and mechanical characteristics. The sensors were processed using laser cutting and 3D printing techniques, and the sensors developed were employed in a number of healthcare, environmental and industrial applications, including: monitoring of physiological movements, respiration, salinity and nitrate measurement, and tactile sensing. The type of sensor selected for each application depended on its dimensions, robustness and sensitivity. The sensors fabricated were also embedded in an IoT-based system, allowing them to be integrated into real-time applications.

Modern Sensors Handbook

Author : Pavel Ripka
Publisher : John Wiley & Sons
ISBN 13 : 111861478X
Total Pages : 382 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Modern Sensors Handbook by : Pavel Ripka

Download or read book Modern Sensors Handbook written by Pavel Ripka and published by John Wiley & Sons. This book was released on 2013-03-01 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern sensors working on new principles and/or using new materials and technologies are more precise, faster, smaller, use less power and are cheaper. Given these advantages, it is vitally important for system developers, system integrators and decision makers to be familiar with the principles and properties of the new sensor types in order to make a qualified decision about which sensor type to use in which system and what behavior may be expected. This type of information is very difficult to acquire from existing sources, a situation this book aims to address by providing detailed coverage on this topic. In keeping with its practical theme, the discussion concentrates on sensor types used or having potential to be used in industrial applications.

Robotic Tactile Sensing

Author : Ravinder S. Dahiya
Publisher : Springer Science & Business Media
ISBN 13 : 9400705794
Total Pages : 258 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Robotic Tactile Sensing by : Ravinder S. Dahiya

Download or read book Robotic Tactile Sensing written by Ravinder S. Dahiya and published by Springer Science & Business Media. This book was released on 2012-07-29 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Future robots are expected to work closely and interact safely with real-world objects and humans alike. Sense of touch is important in this context, as it helps estimate properties such as shape, texture, hardness, material type and many more; provides action related information, such as slip detection; and helps carrying out actions such as rolling an object between fingers without dropping it. This book presents an in-depth description of the solutions available for gathering tactile data, obtaining aforementioned tactile information from the data and effectively using the same in various robotic tasks. The efforts during last four decades or so have yielded a wide spectrum of tactile sensing technologies and engineered solutions for both intrinsic and extrinsic touch sensors. Nowadays, new materials and structures are being explored for obtaining robotic skin with physical features like bendable, conformable, and stretchable. Such features are important for covering various body parts of robots or 3D surfaces. Nonetheless, there exist many more hardware, software and application related issues that must be considered to make tactile sensing an effective component of future robotic platforms. This book presents an in-depth analysis of various system related issues and presents the trade-offs one may face while developing an effective tactile sensing system. For this purpose, human touch sensing has also been explored. The design hints coming out of the investigations into human sense of touch can be useful in improving the effectiveness of tactile sensory modality in robotics and other machines. Better integration of tactile sensors on a robot’s body is prerequisite for the effective utilization of tactile data. The concept of semiconductor devices based sensors is an interesting one, as it allows compact and fast tactile sensing systems with capabilities such as human-like spatio-temporal resolution. This book presents a comprehensive description of semiconductor devices based tactile sensing. In particular, novel Piezo Oxide Semiconductor Field Effect Transistor (POSFET) based approach for high resolution tactile sensing has been discussed in detail. Finally, the extension of semiconductors devices based sensors concept to large and flexile areas has been discussed for obtaining robotic or electronic skin. With its multidisciplinary scope, this book is suitable for graduate students and researchers coming from diverse areas such robotics (bio-robots, humanoids, rehabilitation etc.), applied materials, humans touch sensing, electronics, microsystems, and instrumentation. To better explain the concepts the text is supported by large number of figures.

Microsensors

Author : Oleg Minin
Publisher : BoD – Books on Demand
ISBN 13 : 9533071702
Total Pages : 310 pages
Book Rating : 4.5/5 (33 download)

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Book Synopsis Microsensors by : Oleg Minin

Download or read book Microsensors written by Oleg Minin and published by BoD – Books on Demand. This book was released on 2011-06-09 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is planned to publish with an objective to provide a state-of-art reference book in the area of microsensors for engineers, scientists, applied physicists and post-graduate students. Also the aim of the book is the continuous and timely dissemination of new and innovative research and developments in microsensors. This reference book is a collection of 13 chapters characterized in 4 parts: magnetic sensors, chemical, optical microsensors and applications. This book provides an overview of resonant magnetic field microsensors based on MEMS, optical microsensors, the main design and fabrication problems of miniature sensors of physical, chemical and biochemical microsensors, chemical microsensors with ordered nanostructures, surface-enhanced Raman scattering microsensors based on hybrid nanoparticles, etc. Several interesting applications area are also discusses in the book like MEMS gyroscopes for consumer and industrial applications, microsensors for non invasive imaging in experimental biology, a heat flux microsensor for direct measurements in plasma surface interactions and so on.