Academic literature on the topic 'Register Transducers'

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Journal articles on the topic "Register Transducers"

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Yurikov, Alexey, Nazanin Nourifard, Marina Pervukhina, and Maxim Lebedev. "Laboratory ultrasonic measurements: Shear transducers for compressional waves." Leading Edge 38, no. 5 (2019): 392–99. http://dx.doi.org/10.1190/tle38050392.1.

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The ultrasonic measurements technique is well established to measure the elastic properties of rocks in the laboratory for seismic and well-log data interpretation. The key components of every laboratory ultrasonic setup are piezoelectric transducers, which generate and register elastic waves in rock samples. The elastic properties of rocks are determined through the velocities of elastic waves, which are measured by the times of the waves' travel from the source to the receiver transducer. Transducers can be specifically designed to generate P-waves (P-transducers) or S-waves (S-transducers).
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Alevizos, Elias, Alexander Artikis, and Georgios Paliouras. "Complex Event Recognition with Symbolic Register Transducers." Proceedings of the VLDB Endowment 17, no. 11 (2024): 3165–77. http://dx.doi.org/10.14778/3681954.3681991.

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We present a system for Complex Event Recognition (CER) based on automata. While multiple such systems have been described in the literature, they typically suffer from a lack of clear and denotational semantics, a limitation which often leads to confusion with respect to their expressive power. In order to address this issue, our system is based on an automaton model which is a combination of symbolic and register automata. We extend previous work on these types of automata, in order to construct a formalism with clear semantics and a corresponding automaton model whose properties can be form
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Catangiu, Adrian, Ileana Nicoleta Popescu, Dan Nicolae Ungureanu, and Aurora Anca Poinescu. "Development of Experimental Device with Data Acquisition for Thermomechanical Characterization of Polymers." Scientific Bulletin of Valahia University - Materials and Mechanics 18, no. 18 (2022): 26–32. http://dx.doi.org/10.2478/bsmm-2022-0004.

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Abstract The aim of this paper is to present a handmade laboratory device with data acquisition for estimating the thermomechanical characteristics (caused by dimensional changes in height) of polymeric materials. This experimental device is able to perform penetration tests, monitoring the expansion of the samples and based on experimental tests, the thermal expansivity or coefficient of thermal expansion (CTE) can be determined. A data acquisition instrument, which register (i) the deformation of the specimen, by using two displacement transducers (an inductive proximity transducer and an tr
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Fedynets, Vasyl, and Ihor Vasylkivskyi. "Optimization of Thermal Subsystem of Thermo Transducers for Measuring the Temperature of Gas Flows." Energy engineering and control systems 8, no. 2 (2022): 110–17. http://dx.doi.org/10.23939/jeecs2022.02.110.

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The error of measuring the temperature of gas flows by contact methods consists of two main components: 1) the error that occurs in the process of measuring the physical quantity into which the temperature is converted (the error of the measuring means); 2) errors arising in the process of converting the temperature into a measured physical value using a thermo transducer. This component of the error is completely thermal in nature and is determined by the conditions of the thermal balance between the studied gas flow and the thermo transducer and has the greatest impact on the overall measure
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Pino-Ortega, José, Alejandro Bastida-Castillo, Alejandro Hernández-Belmonte, and Carlos D. Gómez-Carmona. "Validity of an inertial device for measuring linear and angular velocity in a leg extension exercise." Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology 234, no. 1 (2019): 30–36. http://dx.doi.org/10.1177/1754337119878296.

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Traditionally, linear transducers have been used to evaluate resistance exercise with linear displacement. The current problem is the assessment of exercises with curvilinear displacement. For this reason, new devices should be assessed during training sessions. The purpose was to evaluate (1) the concurrent validity of mean linear velocity and (2) the convergent validity of mean angular velocity measured by an inertial device during a leg extension exercise. Ten elite-level football players completed six series of five repetitions of a leg extension exercise. WIMU PRO™ inertial device and Gym
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Roebuck, Bryan, M. Brooks, and M. G. Gee. "Load Cell Ringing in High Rate Compression Tests." Applied Mechanics and Materials 1-2 (September 2004): 205–10. http://dx.doi.org/10.4028/www.scientific.net/amm.1-2.205.

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Mechanical test machines play an important role in providing simulation data to underpin careful analysis of high rate processes. In many cases elements of the test frame or testpiece can vibrate when subjected to a high rate force. The transducers attached to the machine frequently register this vibration superimposed on the true signal and thus may mask the signal required for analysis [1-4]. At impact all the parts of the test machine oscillate at their natural frequency (dependent on stiffness and mass). Ringing in test machines is determined by the rate at which the testpiece is deformed,
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Malinowski, Pawel, Tomasz Wandowski, Irina Trendafilova, and Wiesław M. Ostachowicz. "Multi-Phased Array for Damage Localisation." Key Engineering Materials 347 (September 2007): 77–82. http://dx.doi.org/10.4028/www.scientific.net/kem.347.77.

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A method for damage localisation has been developed, which is based on the phased array idea. Four arrays of transducers, instead of only one, are used to perform a beam-forming procedure. Each array consists of nine transducers placed along a line, which are able to excite and register elastic waves. The arrays are placed in such a way that the angular difference between them is 45º and the rotation point is the middle transducer, which is common for all the arrays. The idea has been tested on a square aluminium plate modelled by the Spectral Finite Element Method. Two types of damage were co
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Golovachev, Petro, Ivan Korobko, and Vitalii Krotevich. "INVESTIGATION OF THE UNCERTAINTY VALUE AT MEASURING THE TEMPERATURE OF THE COOLANT IN THE PIPELINES WITH OUTSIDE SURFACE MOUNTED TEMPERATURE SENSORS." Bulletin of Kyiv Polytechnic Institute. Series Instrument Making, no. 62(2) (December 24, 2021): 42–49. http://dx.doi.org/10.20535/1970.62(2).2021.249199.

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During performing technological and production processes and monitoring the modes of their operation, the problem of determining the temperature of various media transported through pipelines is solved without incut temperature sensors (TS) in them, i.e. with using outside surface mounted TS (SMTS). This method is allowing to measure mechanical values at technological processes without structure broken and without influence to physicochemical properties of measured media.
 Using of SMTS possible to register heat losses on sections of heating mains, pollution degree of pipelines internal w
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Smirnov, Andrey, Boris Zaitsev, Andrey Teplykh, et al. "The Experimental Registration of the Evanescent Acoustic Wave in YX LiNbO3 Plate." Sensors 21, no. 6 (2021): 2238. http://dx.doi.org/10.3390/s21062238.

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Evanescent acoustic waves are characterized by purely imaginary or complex wavenumbers. Earlier, in 2019 by using a three dimensional (3D) finite element method (FEM) the possibility of the excitation and registration of such waves in the piezoelectric plates was theoretically shown. In this paper the set of the acoustically isolated interdigital transducers (IDTs) with the different spatial periods for excitation and registration of the evanescent acoustic wave in Y-cut X-propagation direction of lithium niobate (LiNbO3) plate was specifically calculated and produced. As a result, the possibi
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Sosa, J., Juan A. Montiel-Nelson, R. Pulido, and Jose C. Garcia-Montesdeoca. "Design and Optimization of a Low Power Pressure Sensor for Wireless Biomedical Applications." Journal of Sensors 2015 (2015): 1–13. http://dx.doi.org/10.1155/2015/352036.

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A blood pressure sensor suitable for wireless biomedical applications is designed and optimized. State-of-the-art blood pressure sensors based on piezoresistive transducers in a full Wheatstone bridge configuration use low ohmic values because of relatively high sensitivity and low noise approach resulting in high power consumption. In this paper, the piezoresistance values are increased in order to reduce by one order of magnitude the power consumption in comparison with literature approaches. The microelectromechanical system (MEMS) pressure sensor, the mixed signal circuits signal condition
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Dissertations / Theses on the topic "Register Transducers"

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Exibard, Léo. "Automatic synthesis of systems with data." Electronic Thesis or Diss., Aix-Marseille, 2021. http://www.theses.fr/2021AIXM0312.

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Nous interagissons régulièrement avec des machines qui réagissent en temps réel à nos actions (robots, sites web etc). Celles-ci sont modélisées par des systèmes réactifs, caractérisés par une interaction constante avec leur environnement. L'objectif de la synthèse réactive est de générer automatiquement un tel système à partir de la description de son comportement afin de remplacer la phase de développement bas-niveau, sujette aux erreurs, par l'élaboration d'une spécification haut-niveau.Classiquement, on suppose que les signaux d'entrée de la machine sont en nombre fini. Un tel cadre échoue
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Book chapters on the topic "Register Transducers"

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Exibard, Léo, Emmanuel Filiot, and Pierre-Alain Reynier. "On Computability of Data Word Functions Defined by Transducers." In Lecture Notes in Computer Science. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-45231-5_12.

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AbstractIn this paper, we investigate the problem of synthesizing computable functions of infinite words over an infinite alphabet (data $$\omega $$ ω -words). The notion of computability is defined through Turing machines with infinite inputs which can produce the corresponding infinite outputs in the limit. We use non-deterministic transducers equipped with registers, an extension of register automata with outputs, to specify functions. Such transducers may not define functions but more generally relations of data $$\omega $$ ω -words, and we show that it is PSpace-complete to test whether a
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Khalimov, Ayrat, Benedikt Maderbacher, and Roderick Bloem. "Bounded Synthesis of Register Transducers." In Automated Technology for Verification and Analysis. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01090-4_29.

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Jeż, Artur, Anthony W. Lin, Oliver Markgraf, and Philipp Rümmer. "Decision Procedures for Sequence Theories." In Computer Aided Verification. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-37703-7_2.

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AbstractSequence theories are an extension of theories of strings with an infinite alphabet of letters, together with a corresponding alphabet theory (e.g. linear integer arithmetic). Sequences are natural abstractions of extendable arrays, which permit a wealth of operations including append, map, split, and concatenation. In spite of the growing amount of tool support for theories of sequences by leading SMT-solvers, little is known about the decidability of sequence theories, which is in stark contrast to the state of the theories of strings. We show that the decidable theory of strings wit
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Conference papers on the topic "Register Transducers"

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Cai, Zhonghua, Yinghua Zhong, Zhe Li, and Deyu Wang. "Experimental Study of Impact Pressures and Reaction Forces on a VLGC Tank Due to Sloshing." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20969.

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This study presents results of an experimental study of slosh-induced impact pressures and reaction forces on a 80,000 m3 VLGC (Very Large Gas Carrier) tank. The scale of the model tank was 1/45.5. Experiments were performed with 30% and 70% filling levels. Single and coupled motion tests were carried out. Excitation amplitudes and frequencies were based on the guideline of Lloyd’s Register. For measuring impact pressures and reaction forces, 12 pressure transducers and 48 force transducers were installed on the model. The experimental results showed that coupled pitch and roll motion causes t
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Yang, Yichao, Jiayue Shen, Mark A. Levenstein, and Zhili Hao. "Preliminary Study of a Polymer-Based Microfluidic Device for Detecting Distributed Shear Loads." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-36670.

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This paper reports on a polymer-based microfluidic device for detecting distributed shear loads. This device is comprised of a symmetric 3D polydimethylsiloxane (PDMS) microstructure, two electrolyte-filled microchannels embedded underneath the microstructure, and a set of electrode pairs distributed along the length of each microchannel. In conjunction with its electrode pairs, one body of electrolyte in each microchannel functions as distributed resistive transducers along the microchannel length. The 3D microstructure is built into a rectangular block with a narrow shear-loading bump on its
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Portillo, Jason, Travis Meade, John Hacker, Shaojie Zhang, and Yier Jin. "RERTL: Finite State Transducer Logic Recovery at Register Transfer Level." In 2019 Asian Hardware Oriented Security and Trust Symposium (AsianHOST). IEEE, 2019. http://dx.doi.org/10.1109/asianhost47458.2019.9006699.

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AHAMAD, SULTAN, PAWEL H. MALINOWSKI, ROHAN SOMAN, and TOMASZ WANDOWSKI. "STUDY OF THE GUIDED WAVE SENSING BY HYBRID PIEZOELECTRIC-FBG APPROACH." In Structural Health Monitoring 2023. Destech Publications, Inc., 2023. http://dx.doi.org/10.12783/shm2023/37022.

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In this research, analysis of ultrasonic guided wave sensing using fiber optic strain sensors based on fiber Bragg gratings (FBG) is presented. Wave excitation is based on piezoelectric transducers. Sensitivity of the FBG sensors to propagating ultrasonic waves plays an important role in the design process of SHM system based on fiber optic sensors. The presented study has experimental character. Separation of symmetric and antisymmetric modes is studied based on simultaneous sensing of the guided waves with two FBG sensors. The influence of actuation is studied for various frequencies of exci
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Gu, Wenting, Peng Cheng, and Zhili Hao. "Concurrent Spatial Mapping of the Elasticity of Heterogeneous Soft Materials via a Polymer-Based Microfluidic Device: A Preliminary Study." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-63837.

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This paper presents a preliminary study on achieving concurrent spatial mapping of the spatially-varying elasticity of heterogeneous soft materials via a polymer-based microfluidic device. Comprised of a single compliant polymer rectangular microstructure and a set of electrolyte-enabled distributed resistive transducers, this device is capable of detecting continuous distributed loads. Through pressing a specimen against the device by a rigid probe with precisely-controlled displacements, the spatially-varying elasticity of a specimen is captured by continuous distributed loads acting on the
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Shen, Jiayue, Xavier-Lewis Palmer, and Zhili Hao. "Design and Analysis of a Distributed-Deflection Sensor With a Built-In Probe for Mechanical Measurement of Soft Tissues With Curved Surface." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-71771.

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This paper presents a theoretical analysis of using a distributed-deflection sensor with a built-in probe for mechanical measurement of soft tissues with curved surface. The core of the sensor is a rectangular polydimethylsiloxane (PDMS) microstructure with a built-in probe on its top and an electrolyte-enabled resistive transducer array at its bottom. Upon being pressed against a tissue region, the built-in probe assists in avoiding extrusions and generating deformations necessary to conform to the curved surface of the tissue region. Consequently, the true mechanical properties of the tissue
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BALASUBRAMANIAM,, KALEESWARAN, TOMASZ WANDOWSKI, and PAWEL MALINOWSKI. "DEBONDING ANALYSIS OF COMPOSITE MATERIAL USING ULTRASONIC WAVE-BASED NDT METHODS." In Structural Health Monitoring 2021. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/shm2021/36313.

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The article investigates multiple debonding in a glass fibre reinforced polymer structure (GFRPS) using nondestructive testing (NDT) based on ultrasonic guided waves (UGW) propagation. The piezoelectric transducers (PZT) attached to the material excite the UGW and the registered time signals are analyzed. The debonding are in various depths of the GFRPS. It was assessed using NDT-based tools. The presence of debonding and wave scattering based on the depth and location in GFRPS is studied. This is followed by using signal processing methods to visualize and analyze the different characteristic
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Ya’akobovitz, Assaf, and Slava Krylov. "Kinematically Excited Large Angle Tilting Actuator." In ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/detc2010-28454.

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We report on a novel architecture and operational principle of a large angle kinematically excited tilting micro actuator. The device transforms and amplifies small linear out-of-plane motion of a parallel-plate electrostatic transducer into a tilting motion of a plate. The device characterized by robust single layer architecture was fabricated using a silicon on insulator (SOI) wafer and common deep reactive ion etching (DRIE) based fabrication process. Experimental and model results collectively illustrate the feasibility and efficiency of the suggested actuation approach. The optical tiltin
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Wang, Dan, Andrew Stamenkovich, Christian Zemlin, and Zhili Hao. "Arterial Pulse Signal Monitoring During the Valsalva Maneuver via a Flexible Microfluidic-Based Sensor." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66735.

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In light of the need to diagnose and monitor the heart condition of a heart failure patient, this paper presents a preliminary investigation on the application of a flexible microfluidic-based sensor for measuring the arterial pulse signal during the Valsalva Maneuver (VM), which allows assessment of the patient’s volume status. The core of the sensor is a polydimethylsiloxane (PDMS) microstructure embedded with a 5x1 electrolyte-enabled resistive transducer array. As a time-varying load, an arterial pulse signal acting on the microstructure gives rise to the distributed sensor deflection alon
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Ya’akobovitz, Assaf, and Slava Krylov. "Large Angle Parametrically Excited Tilting Micro Actuator." In ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59104.

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We present novel operational principle of a tilting MEMS device based on parametric excitation and linear to angular motion transformation. The device is fabricated using a single layer of silicon on insulator (SOI) wafer and combines simple fabrication process with several beneficial features including large tilting angles, wide bandwidth, low sensitivity to deviation in geometrical and operational parameters and low actuation voltage. A theoretical feasibility and performance study was carried out using a lumped model of the device and verified by a coupled three-dimensional simulation. Para
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