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Author: Larry K. Baxter
Publisher: John Wiley & Sons
ISBN: 9780780353510
Category : Technology & Engineering
Languages : en
Pages : 324
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Book Description
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.
Author: Larry K. Baxter
Publisher: John Wiley & Sons
ISBN: 9780780353510
Category : Technology & Engineering
Languages : en
Pages : 324
Get Book Here
Book Description
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.
Author: Ferencz Nandor Toth
Publisher:
ISBN: 9789040714078
Category : Technology & Engineering
Languages : en
Pages : 146
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Book Description
Author: Vikram Shenoy
Publisher:
ISBN:
Category :
Languages : en
Pages : 58
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Book Description
Author: Pengfei Zhao
Publisher: Springer Nature
ISBN: 9811605033
Category : Technology & Engineering
Languages : en
Pages : 834
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Book Description
This book includes a selection of reviewed papers presented at the 11th China Academic Conference on Printing and Packaging, held on November 26–29, 2020, Guangzhou, China. The conference is jointly organized by China Academy of Printing Technology and South China University of Technology. With 10 keynote talks and 200 presented papers on graphic communication and packaging technologies, the conference attracted more than 300 scientists. The proceedings cover the recent findings in color science and technology, image processing technology, digital media technology, mechanical and electronic engineering and numerical control, materials and detection, digital process management technology in printing and packaging, and other technologies. As such, the book is of interest to university researchers, R&D engineers and graduate students in the field of graphic arts, packaging, color science, image science, material science, computer science, digital media, network technology and smart manufacturing technology.
Author: Daisuke Iida
Publisher:
ISBN:
Category :
Languages : en
Pages : 324
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Book Description
Position sensing is a key fundamental technology for any engineering or scientific related studies. Currently, the need for nanometer displacement measurement is increasing due to emerging nanotechnology applications. Capacitive displacement sensor (CDS) is one of the displacement sensing methods that has relatively low-cost, high-resolution, high-bandwidth characteristics, and has a capability to obtain nanometer level resolution. Digital signal processors, DSPs, in combination with analog to digital conversion hardware, are capable of providing analog signal conditioning, non-linear compensation, real-time control, numerical analysis and data transfer to a host computer for systems integration. The overall objective of the project is to develop marketable, DSP-based, high performance, easily integrated capacitive displacement sensors for precision positioning applications. In this thesis, three CDSs were designed, manufactured, integrated and evaluated for "a probe system for in-process hole measurement," "A compact, fast, tool-servo system," and "A high-resolution, fast, toolservo system," each having different sensor requirements. Within these studies, two different CDS configurations (single- and differential- CDS) were examined, and a novel multiplexing technique was investigated as a possible solution to enhance fundamental digital resolution. Fundamental issues and performance factors for CDSs were observed and analyzed, and several techniques were developed to overcome those problems. Lastly, constructive suggestions addressing the next generation capacitive sensor to provide longer-range, higher-resolution, -accuracy, and bandwidth are presented.
Author: Marc Abadie
Publisher: BoD – Books on Demand
ISBN: 9535108999
Category : Science
Languages : en
Pages : 260
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Book Description
The feature of polyimides and other heterocyclic polymers are now well-established and used for long term temperature durability in the range of 250 - 350'C. This book will review synthesis, mechanisms, ultimate properties, physico-chemical properties, processing and applications of such high performance materials needed in advanced technologies. It presents interdisciplinary papers on the state of knowledge of each topic under consideration through a combination of overviews and original unpublished research. The volume contains eleven chapters divided into three sections: Chemistry; Chemical and Physical Properties; and Applications.
Author: Arvind Sanjiva Salian
Publisher:
ISBN:
Category :
Languages : en
Pages : 406
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Book Description
Author: Xiujun Li
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 168
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Book Description
Author: Sara Rachel Arussy Ruth
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Pressure and proximity sensors are widely used in the healthcare and robotics industries. Among other applications, they are used for patient monitoring and robotic surgery, playing an integral role in improving health and safety. Currently, there is an increasing demand for highly specialized sensors within these industries, but the path of designing such sensors can be very circular, requiring multiple redesigns. To better address this challenge, the process must be linearized by enabling more targeted sensor design. To achieve targeted design of sensors for specialized applications, there are five major objectives: (1) better understanding of current sensor technologies, (2) more reliable and reproducible sensor fabrication methods, (3) simple models to predict sensor performance, (4) design rules based on computational and experimental results to inform targeted sensor design, and (5) proven efficacy of the targeted design for specific applications. This dissertation goes through this process specifically for capacitive pressure and proximity sensors. Micro-engineered pressure sensors are of particular interest because of their high sensitivity, fast response, and low limits of detection. The micro-engineering techniques include micropatterned structures, porous layers, multilayered packed structures, and combined approaches, and are compared in terms of ease of fabrication, active layer uniformity, shape and size versatility and tunability, and scalability. Understanding the current sensor technologies, advantages of different sensor types, and fabrication methods led to a focus on capacitive pressure sensors with micropatterned structures. The fabrication method for capacitive pressure sensors was improved for consistency and reliability by introducing a lamination layer to anchor the micropatterned structures--pyramids in this case--to the second electrode. A series of equations modeling the dielectric layer as both a spring and electrical circuit was developed to predict sensor response and was confirmed experimentally. This model was then used to predict how a variety of design parameters impacted the sensitivity and initial capacitance of the sensor. Further, the model was expanded to include alternative microstructure geometries and more performance parameters, enabling a more extensive comparison of microstructure design. Once the dielectric layer of capacitive pressure sensors was better understood, an analysis of the effects of electrode design was investigated, specifically for fringe-field capacitive sensors capable of both pressure and proximity sensing. Four novel electrode designs were compared to a traditional parallel plate design. All fringe-field designs had proximity sensing capabilities, distinguish between pressure and proximity regimes, and distinguish between conductive and insulating materials, however only one could recapitulate most of the pressure sensing capabilities of the parallel plate capacitive sensor. Finally, the newly obtained sensor performance trends were applied to targetedly design a sensor for early detection and prevention of diseases after surgical vascular bypass or plaque removal. This sensor was effective in vitro, in vivo, and in a human cadaver without the need to redesign, thus demonstrating the efficacy of using the design guidelines developed for linear, targeted sensor design.
Author: Gerard Meijer
Publisher: John Wiley & Sons
ISBN: 0470686006
Category : Technology & Engineering
Languages : en
Pages : 314
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Book Description
With contributions from an internationally-renowned group of experts, this book uses a multidisciplinary approach to review recent developments in the field of smart sensor systems, covering important system and design aspects. It examines topics over the whole range of sensor technology from the theory and constraints of basic elements, physics and electronics, up to the level of application-orientated issues. Developed as a complementary volume to ‘Smart Sensor Systems’ (Wiley 2008), which introduces the basics of smart sensor systems, this volume focuses on emerging sensing technologies and applications, including: State-of-the-art techniques for designing smart sensors and smart sensor systems, including measurement techniques at system level, such as dynamic error correction, calibration, self-calibration and trimming. Circuit design for sensor systems, such as the design of precision instrumentation amplifiers. Impedance sensors, and the associated measurement techniques and electronics, that measure electrical characteristics to derive physical and biomedical parameters, such as blood viscosity or growth of micro-organisms. Complete sensor systems-on-a-chip, such as CMOS optical imagers and microarrays for DNA detection, and the associated circuit and micro-fabrication techniques. Vibratory gyroscopes and the associated electronics, employing mechanical and electrical signal amplification to enable low-power angular-rate sensing. Implantable smart sensors for neural interfacing in bio-medical applications. Smart combinations of energy harvesters and energy-storage devices for autonomous wireless sensors. Smart Sensor Systems: Emerging Technologies and Applications will greatly benefit final-year undergraduate and postgraduate students in the areas of electrical, mechanical and chemical engineering, and physics. Professional engineers and researchers in the microelectronics industry, including microsystem developers, will also find this a thorough and useful volume.
