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Author : Vijay Seshan
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (687 download)
Download or read book MEMS Capacitive Accelerometer Model and Analog Control Circuitry written by Vijay Seshan and published by . This book was released on 2003 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Xu, Yong Ping
Publisher : River Publishers
ISBN 13 : 877022045X
Total Pages : 312 pages
Book Rating : 4.7/5 (72 download)
Download or read book MEMS Silicon Oscillating Accelerometers and Readout Circuits written by Xu, Yong Ping and published by River Publishers. This book was released on 2019-02-12 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most MEMS accelerometers on the market today are capacitive accelerometers that are based on the displacement sensing mechanism. This book is intended to cover recent developments of MEMS silicon oscillating accelerometers (SOA), also referred to as MEMS resonant accelerometer. As contrast to the capacitive accelerometer, the MEMS SOA is based on the force sensing mechanism, where the input acceleration is converted to a frequency output. MEMS Silicon Oscillating Accelerometers and Readout Circuits consists of six chapters and covers both MEMS sensor and readout circuit, and provides an in-depth coverage on the design and modelling of the MEMS SOA with several recently reported prototypes. The book is not only useful to researchers and engineers who are familiar with the topic, but also appeals to those who have general interests in MEMS inertial sensors. The book includes extensive references that provide further information on this topic.
Author : Tan Tran Duc
Publisher : GRIN Verlag
ISBN 13 : 3640249593
Total Pages : 83 pages
Book Rating : 4.6/5 (42 download)
Download or read book Modeling and simulation of the capacitive accelerometer written by Tan Tran Duc and published by GRIN Verlag. This book was released on 2009-01-19 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: Diploma Thesis from the year 2005 in the subject Electrotechnology, grade: Master 9.8/10, , language: English, abstract: Microelectromechanical systems (MEMS) are collection of microsensors and actuators that have the ability to sense its environment and react to changes in that environment with the use of a microcircuit control. They also include the conventional microelectronics packaging, integrating antenna structures for command signals into microelectromechanical structures for desired sensing and actuating functions. The system may also need micropower supply, microrelay, and microsignal processing units. Microcomponents make the system faster, more reliable, cheaper, and capable of incorporating more complex functions. In the beginning of 1990s, MEMS appeared with the aid of the development of integrated circuit fabrication processes, in which sensors, actuators, and control functions are co-fabricated in silicon [1]. Since then, remarkable research progresses have been achieved in MEMS under the strong promotions from both government and industries. In addition to the commercialization of some less integrated MEMS devices, such as microaccelerometers, inkjet printer head, micromirrors for projection, etc., the concepts and feasibility of more complex MEMS devices have been proposed and demonstrated for the applications in such varied fields as microfluidics, aerospace, biomedical, chemical analysis, wireless communications, data storage, display, optics, etc. Some branches of MEMS, appearing as microoptoelectromechanical systems (MOEMS), micro total analysis systems, etc., have attracted a great research since their potential applications’ market.
Author : Kai Zhang
Publisher :
ISBN 13 :
Total Pages : 77 pages
Book Rating : 4.:/5 (698 download)
Download or read book Sensing and Control of MEMS Accelerometers Using Kalman Filter written by Kai Zhang and published by . This book was released on 2010 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surface micromachined low-capacitance MEMS capacitive accelerometers which integrated CMOS readout circuit generally have a noise above 0.02g. Force-to-rebalance feedback control that is commonly used in MEMS accelerometers can improve the performances of accelerometers such as increasing their stability, bandwidth and dynamic range. However, the controller also increases the noise floor. There are two major sources of the noise in MEMS accelerometer. They are electronic noise from the CMOS readout circuit and thermal-mechanical Brownian noise caused by damping. Kalman filter is an effective solution to the problem of reducing the effects of the noises through estimating and canceling the states contaminated by noise. The design and implementation of a Kalman filter for a MEMS capacitive accelerometer is presented in the thesis in order to filter out the noise mentioned above while keeping its good performance under feedback control. The dynamic modeling of the MEMS accelerometer system and the controller design based on the model are elaborated in the thesis. Simulation results show the Kalman filter gives an excellent noise reduction, increases the dynamic range of the accelerometer, and reduces the displacement of the mass under a closed-loop structure.
Author : Mahmoud Rasras
Publisher : MDPI
ISBN 13 : 3038974145
Total Pages : 252 pages
Book Rating : 4.0/5 (389 download)
Download or read book MEMS Accelerometers written by Mahmoud Rasras and published by MDPI. This book was released on 2019-05-27 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Micro-electro-mechanical system (MEMS) devices are widely used for inertia, pressure, and ultrasound sensing applications. Research on integrated MEMS technology has undergone extensive development driven by the requirements of a compact footprint, low cost, and increased functionality. Accelerometers are among the most widely used sensors implemented in MEMS technology. MEMS accelerometers are showing a growing presence in almost all industries ranging from automotive to medical. A traditional MEMS accelerometer employs a proof mass suspended to springs, which displaces in response to an external acceleration. A single proof mass can be used for one- or multi-axis sensing. A variety of transduction mechanisms have been used to detect the displacement. They include capacitive, piezoelectric, thermal, tunneling, and optical mechanisms. Capacitive accelerometers are widely used due to their DC measurement interface, thermal stability, reliability, and low cost. However, they are sensitive to electromagnetic field interferences and have poor performance for high-end applications (e.g., precise attitude control for the satellite). Over the past three decades, steady progress has been made in the area of optical accelerometers for high-performance and high-sensitivity applications but several challenges are still to be tackled by researchers and engineers to fully realize opto-mechanical accelerometers, such as chip-scale integration, scaling, low bandwidth, etc. This Special Issue on "MEMS Accelerometers" seeks to highlight research papers, short communications, and review articles that focus on: Novel designs, fabrication platforms, characterization, optimization, and modeling of MEMS accelerometers. Alternative transduction techniques with special emphasis on opto-mechanical sensing. Novel applications employing MEMS accelerometers for consumer electronics, industries, medicine, entertainment, navigation, etc. Multi-physics design tools and methodologies, including MEMS-electronics co-design. Novel accelerometer technologies and 9DoF IMU integration. Multi-accelerometer platforms and their data fusion.
Author : Muhlis Kenan Ozel
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book An Electrical-stimulus-only BIST IC for Capacitive MEMS Accelerometer Sensitivity Characterization written by Muhlis Kenan Ozel and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Testing and calibration constitute a significant part of the overall manufacturing cost of microelectromechanical system (MEMS) devices. Developing a low-cost testing and calibration scheme applicable at the user side that ensures the continuous reliability and accuracy is a crucial need. The main purpose of testing is to eliminate defective devices and to verify the qualifications of a product is met. The calibration process for capacitive MEMS devices, for the most part, entails the determination of the mechanical sensitivity. In this work, a physical-stimulus-free built-in-self-test (BIST) integrated circuit (IC) design characterizing the sensitivity of capacitive MEMS accelerometers is presented. The BIST circuity can extract the amplitude and phase response of the acceleration sensor's mechanics under electrical excitation within 0.55% of error with respect to its mechanical sensitivity under the physical stimulus. Sensitivity characterization is performed using a low computation complexity multivariate linear regression model. The BIST circuitry maximizes the use of existing analog and mixed-signal readout signal chain and the host processor core, without the need for computationally expensive Fast Fourier Transform (FFT)-based approaches. The BIST IC is designed and fabricated using the 0.18-μm CMOS technology. The sensor analog front-end and BIST circuitry are integrated with a three-axis, low-g capacitive MEMS accelerometer in a single hermetically sealed package. The BIST circuitry occupies 0.3 mm2 with a total readout IC area of 1.0 mm2 and consumes 8.9 mW during self-test operation.
Author : Yong Ping Xu
Publisher : CRC Press
ISBN 13 : 1000793737
Total Pages : 312 pages
Book Rating : 4.0/5 (7 download)
Download or read book MEMS Silicon Oscillating Accelerometers and Readout Circuits written by Yong Ping Xu and published by CRC Press. This book was released on 2022-09-01 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most MEMS accelerometers on the market today are capacitive accelerometers that are based on the displacement sensing mechanism. This book is intended to cover recent developments of MEMS silicon oscillating accelerometers (SOA), also referred to as MEMS resonant accelerometer. As contrast to the capacitive accelerometer, the MEMS SOA is based on the force sensing mechanism, where the input acceleration is converted to a frequency output. MEMS Silicon Oscillating Accelerometers and Readout Circuits consists of six chapters and covers both MEMS sensor and readout circuit, and provides an in-depth coverage on the design and modelling of the MEMS SOA with several recently reported prototypes. The book is not only useful to researchers and engineers who are familiar with the topic, but also appeals to those who have general interests in MEMS inertial sensors. The book includes extensive references that provide further information on this topic.
Author : Naveen Sai Jangala Naga
Publisher :
ISBN 13 :
Total Pages : 77 pages
Book Rating : 4.:/5 (879 download)
Download or read book Calibration of MEMS Capacitive Accelerometers Using Electrical Stimulus BIST written by Naveen Sai Jangala Naga and published by . This book was released on 2014 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: The applications which use MEMS accelerometer have been on rise and many new fields which are using the MEMS devices have been on rise. The industry is trying to reduce the cost of production of these MEMS devices. These devices are manufactured using micromachining and the interface circuitry is manufactured using CMOS and the final product is integrated on to a single chip. Amount spent on testing of the MEMS devices make up a considerable share of the total final cost of the device. In order to save the cost and time spent on testing, researchers have been trying to develop different methodologies. At present, MEMS devices are tested using mechanical stimuli to measure the device parameters and for calibration the device. This testing is necessary since the MEMS process is not a very well controlled process unlike CMOS. This is done using an ATE and the cost of using ATE (automatic testing equipment) contribute to 30-40% of the devices final cost. This thesis proposes an architecture which can use an Electrical Signal to stimulate the MEMS device and use the data from the MEMS response in approximating the calibration coefficients efficiently. As a proof of concept, we have designed a BIST (Built-in self-test) circuit for MEMS accelerometer. The BIST has an electrical stimulus generator, Capacitance-to-voltage converter, ∑ ∆ ADC. This thesis explains in detail the design of the Electrical stimulus generator. We have also designed a technique to correlate the parameters obtained from electrical stimuli to those obtained by mechanical stimuli. This method is cost effective since the additional circuitry needed to implement BIST is less since the technique utilizes most of the existing standard readout circuitry already present.
Author : Shanthi Pavan
Publisher : John Wiley & Sons
ISBN 13 : 1119258278
Total Pages : 596 pages
Book Rating : 4.1/5 (192 download)
Download or read book Understanding Delta-Sigma Data Converters written by Shanthi Pavan and published by John Wiley & Sons. This book was released on 2017-01-24 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition introduces operation and design techniques for Sigma-Delta converters in physical and conceptual terms, and includes chapters which explore developments in the field over the last decade Includes information on MASH architectures, digital-to-analog converter (DAC) mismatch and mismatch shaping Investigates new topics including continuous-time ΔΣ analog-to-digital converters (ADCs) principles and designs, circuit design for both continuous-time and discrete-time ΔΣ ADCs, decimation and interpolation filters, and incremental ADCs Provides emphasis on practical design issues for industry professionals
Author : Andrea De Marcellis
Publisher : Springer Science & Business Media
ISBN 13 : 9048198283
Total Pages : 239 pages
Book Rating : 4.0/5 (481 download)
Download or read book Analog Circuits and Systems for Voltage-Mode and Current-Mode Sensor Interfacing Applications written by Andrea De Marcellis and published by Springer Science & Business Media. This book was released on 2011-06-29 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analog CMOS Microelectronic Circuits describes novel approaches for analog electronic interfaces design, especially for resistive and capacitive sensors showing a wide variation range, with the intent to cover a lack of solutions in the literature. After an initial description of sensors and main definitions, novel electronic circuits, which do not require any initial calibrations, are described; they show both AC and DC excitation voltage for the employed sensor, and use both voltage-mode and current-mode approaches. The proposed interfaces can be realized both as prototype boards, for fast characterization (in this sense, they can be easily implemented by students and researchers), and as integrated circuits, using modern low-voltage low-power design techniques (in this case, specialist analog microelectronic researchers will find them useful). The primary audience of Analog CMOS Microelectronic Circuits are: analog circuit designers, sensor companies, Ph.D. students on analog microelectronics, undergraduate and postgraduate students in electronic engineering.
Author : Magued Iskander
Publisher : Springer Science & Business Media
ISBN 13 : 9048136563
Total Pages : 553 pages
Book Rating : 4.0/5 (481 download)
Download or read book Technological Developments in Education and Automation written by Magued Iskander and published by Springer Science & Business Media. This book was released on 2010-01-30 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: Technological Developments in Education and Automation includes set of rigorously reviewed world-class manuscripts dealing with the increasing role of technology in daily lives including education and industrial automation Technological Developments in Education and Automation contains papers presented at the International Conference on Industrial Electronics, Technology & Automation and the International Conference on Engineering Education, Instructional Technology, Assessment, and E-learning which were part of the International Joint Conferences on Computer, Information and Systems Sciences and Engineering
Author : Krzysztof Galkowski
Publisher : Trans Tech Publications Ltd
ISBN 13 : 3038262757
Total Pages : 2614 pages
Book Rating : 4.0/5 (382 download)
Download or read book Advances in Mechatronics and Control Engineering II written by Krzysztof Galkowski and published by Trans Tech Publications Ltd. This book was released on 2013-10-15 with total page 2614 pages. Available in PDF, EPUB and Kindle. Book excerpt: Collection of selected, peer reviewed papers from the 2013 2nd International Conference on Mechatronics and Control Engineering (ICMCE 2013), August 28-29, 2013, Guangzhou, China. Volume is indexed by Thomson Reuters CPCI-S (WoS). The 485 papers are grouped as follows: Chapter 1: Theory of Mechanisms and Mechanical Dynamics Chapter 2: Industrial Robotics and Automation; Chapter 3: Design and Control in Modern Mechatronics System Engineering; Chapter 4: Sensor Technology; Chapter 5: Voice, Image and Video Processing; Chapter 6: Signal Processing System; Chapter 7: Artificial Intelligence and Computational Algorithms; Chapter 8: Measurement Technology, Testing and Instruments; Chapter 9: Automatic Control Technology; Chapter 10: Electric Automation; Chapter 11: Intelligent Traffic Control; Chapter 12: Electronics Technology and Embedded Systems; Chapter 13: Software Development and Application; Chapter 14: Computer Application in Industry and Engineering; Chapter 15: Fluid Engineering and Hydrodynamics; Chapter 16: Materials; Chapter 17: Research and Design in Mechanical Engineering; Chapter 18: Structural Engineering and Architecture Analysis; Chapter 19: Industrial Engineering and Production Operations Management; Chapter 20: Engineering Education
Author : Elena Gaura
Publisher : Imperial College Press
ISBN 13 : 1860949207
Total Pages : 553 pages
Book Rating : 4.8/5 (69 download)
Download or read book Smart Mems and Sensor Systems written by Elena Gaura and published by Imperial College Press. This book was released on 2006 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, MEMS have revolutionized the semiconductor industry, with sensors being a particularly buoyant sector. Smart MEMS and Sensor Systems presents readers with the means to understand, evaluate, appreciate and participate in the development of the field, from a unique systems perspective. The combination of MEMS and integrated intelligence has been put forward as a disruptive technology. The full potential of this technology is only evident when it is used to construct very large pervasive sensing systems. The book explores the many different technologies needed to build such systems and integrates knowledge from three different domains: MEMS technology, sensor system electronics and pervasive computing science. Throughout the book a top-down design perspective is taken, be it for the development of a single smart sensor or that of adaptive ad-hoc networks of millions of sensors. For experts in any of the domains named above the book provides the context for their MEMS based design work and an understanding of the role the other domains play. For the generalist (either in engineering or computing) or the technology manager the underpinning knowledge is provided, which can inform specialist decision making. Sample Chapter(s). Chapter 1: Markets and Applications (1,731 KB). Contents: Markets and Applications; Microfabrication Technologies; Sensor Electronics; Sensor Signal Enhancement; Case Study: Control Systems for Capacitive Inertial Sensors; Case Study: Adaptive Optics and Smart VLSI/MEMS Systems; Artificial Intelligence Techniques for Microsensors Identification and Compensation; Smart, Intelligent and Cogent MEMS Based Sensors; Sensor Arrays and Networks; Wireless and Ad Hoc Sensor Networks; Realising the Dream OCo A Case Study. Readership: Graduate students on courses in sensing, instrumentation, VLSI, and MEMS technology; researchers and academics dealing with smart sensor systems; practitioners who need to understand and apply the technology effectively."
Author : Henry Baltes
Publisher : John Wiley & Sons
ISBN 13 : 3527616934
Total Pages : 612 pages
Book Rating : 4.5/5 (276 download)
Download or read book CMOS - MEMS written by Henry Baltes and published by John Wiley & Sons. This book was released on 2008-07-11 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microstructures, electronics, nanotechnology - these vast fields of research are growing together as the size gap narrows and many different materials are combined. Current research, engineering sucesses and newly commercialized products hint at the immense innovative potentials and future applications that open up once mankind controls shape and function from the atomic level right up to the visible world without any gaps. Sensor systems, microreactors, nanostructures, nanomachines, functional surfaces, integrated optics, displays, communications technology, biochips, human/machine interfaces, prosthetics, miniaturized medical and surgery equipment and many more opportunities are being explored. This new series, Advanced Micro and Nano Systems, provides cutting-edge reviews from top authors on technologies, devices and advanced systems from the micro and nano worlds.
Author : Jaume Verd
Publisher : MDPI
ISBN 13 : 3039210688
Total Pages : 166 pages
Book Rating : 4.0/5 (392 download)
Download or read book Development of CMOS-MEMS/NEMS Devices written by Jaume Verd and published by MDPI. This book was released on 2019-06-25 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Micro and nano-electro-mechanical system (M/NEMS) devices constitute key technological building blocks to enable increased additional functionalities within Integrated Circuits (ICs) in the More-Than-Moore era, as described in the International Technology Roadmap for Semiconductors. The CMOS ICs and M/NEMS dies can be combined in the same package (SiP), or integrated within a single chip (SoC). In the SoC approach the M/NEMS devices are monolithically integrated together with CMOS circuitry allowing the development of compact and low-cost CMOS-M/NEMS devices for multiple applications (physical sensors, chemical sensors, biosensors, actuators, energy actuators, filters, mechanical relays, and others). On-chip CMOS electronics integration can overcome limitations related to the extremely low-level signals in sub-micrometer and nanometer scale electromechanical transducers enabling novel breakthrough applications. This Special Issue aims to gather high quality research contributions dealing with MEMS and NEMS devices monolithically integrated with CMOS, independently of the final application and fabrication approach adopted (MEMS-first, interleaved MEMS, MEMS-last or others).]
Author : Committee on Advanced Materials and Fabrication Methods for Microelectromechanical Systems
Publisher : National Academies Press
ISBN 13 : 0309591511
Total Pages : 76 pages
Book Rating : 4.3/5 (95 download)
Download or read book Microelectromechanical Systems written by Committee on Advanced Materials and Fabrication Methods for Microelectromechanical Systems and published by National Academies Press. This book was released on 1997-12-15 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microelectromenchanical systems (MEMS) is a revolutionary field that adapts for new uses a technology already optimized to accomplish a specific set of objectives. The silicon-based integrated circuits process is so highly refined it can produce millions of electrical elements on a single chip and define their critical dimensions to tolerances of 100-billionths of a meter. The MEMS revolution harnesses the integrated circuitry know-how to build working microsystems from micromechanical and microelectronic elements. MEMS is a multidisciplinary field involving challenges and opportunites for electrical, mechanical, chemical, and biomedical engineering as well as physics, biology, and chemistry. As MEMS begin to permeate more and more industrial procedures, society as a whole will be strongly affected because MEMS provide a new design technology that could rival--perhaps surpass--the societal impact of integrated circuits.
Author : Jason J. Gorman
Publisher : Springer Science & Business Media
ISBN 13 : 1441958312
Total Pages : 386 pages
Book Rating : 4.4/5 (419 download)
Download or read book Feedback Control of MEMS to Atoms written by Jason J. Gorman and published by Springer Science & Business Media. This book was released on 2011-12-16 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Control from MEMS to Atoms illustrates the use of control and control systems as an essential part of functioning integrated systems. The book is organized according to the dimensional scale of the problem, starting with micro-scale systems and ending with atomic-scale systems. Similar to macro-scale machines and processes, control systems can play a major role in improving the performance of micro- and nano-scale systems and in enabling new capabilities that would otherwise not be possible. However, the majority of problems at these scales present many new challenges that go beyond the current state-of-the-art in control engineering. This is a result of the multidisciplinary nature of micro/nanotechnology, which requires the merging of control engineering with physics, biology and chemistry.
