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Journal articles on the topic 'Two-way transducers'

Author: Grafiati

Published: 16 December 2023

Last updated: 31 July 2025

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1

Wang, Yulei, Jingya Tao, Feifei Guo, et al. "Magnesium Alloy Matching Layer for High-Performance Transducer Applications." Sensors 18, no. 12 (2018): 4424. http://dx.doi.org/10.3390/s18124424.

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In this paper, we report the use of magnesium alloy (AZ31B) as the matching material for PZT-5H ultrasonic transducers. The AZ31B has an acoustic impedance of 10.3 MRayl, which provides a good acoustic impedance match for PZT-5H ultrasonic transducers in water medium based on the double matching layer theory. Two PZT-5H transducers with different center frequencies were designed and fabricated using the AZ31B. The respective center frequencies of the two fabricated transducers were 4.6 MHz and 9.25 MHz. The 4.6 MHz transducer exhibits a −6 dB bandwidth of 79% and two-way insertion loss of −11.

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2

Baudru, Nicolas, and Pierre-Alain Reynier. "From Two-Way Transducers to Regular Function Expressions." International Journal of Foundations of Computer Science 31, no. 06 (2020): 843–73. http://dx.doi.org/10.1142/s0129054120410087.

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Transducers constitute a fundamental extension of automata. The class of regular word functions has recently emerged as an important class of word-to-word functions, characterized by means of (functional, or unambiguous, or deterministic) two-way transducers, copyless streaming string transducers, and MSO-definable graph transformations. A fundamental result in language theory is Kleene’s Theorem, relating finite state automata and regular expressions. Recently, a set of regular function expressions has been introduced and used to prove a similar result for regular word functions, by showing i

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3

Sklyar, Rostyslav. "A CNTFET-Based Nanowired Induction Two-Way Transducers." ISRN Nanotechnology 2012 (May 14, 2012): 1–9. http://dx.doi.org/10.5402/2012/102783.

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A complex of the induction magnetic field two-way nanotransducers of the different physical values for both the external and implantable interfaces in a wide range of arrays are summarized. Implementation of the nanowires allows reliable transducing of the biosignals' partials and bringing of carbon nanotubes into circuits leading to examination of the superconducting transition. Novel sensors are based on the induction magnetic field principle, which causes their interaction with an ambient EM field. Mathematical description of both the signal and mediums defines space embracing of the releva

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4

Gurari, Eitan M. "Two-way counter machines and finite-state transducers†." International Journal of Computer Mathematics 17, no. 3-4 (1985): 229–35. http://dx.doi.org/10.1080/00207168508803465.

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5

Choffrut, Christian. "Sequences of words defined by two-way transducers." Theoretical Computer Science 658 (January 2017): 85–96. http://dx.doi.org/10.1016/j.tcs.2016.05.004.

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6

Engelfriet, Joost, and Hendrik Jan Hoogeboom. "MSO definable string transductions and two-way finite-state transducers." ACM Transactions on Computational Logic 2, no. 2 (2001): 216–54. http://dx.doi.org/10.1145/371316.371512.

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7

Engelfriet, Joost. "Two-way pebble transducers for partial functions and their composition." Acta Informatica 52, no. 7-8 (2015): 559–71. http://dx.doi.org/10.1007/s00236-015-0224-3.

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8

Ibarra, Oscar H., and Hsu-Chun Yen. "On the containment and equivalence problems for two-way transducers." Theoretical Computer Science 429 (April 2012): 155–63. http://dx.doi.org/10.1016/j.tcs.2011.12.034.

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9

Vágvölgyi, Sándor. "Top-down tree transducers with two-way tree walking look-ahead." Theoretical Computer Science 93, no. 1 (1992): 43–74. http://dx.doi.org/10.1016/0304-3975(92)90211-w.

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10

Yang, Zhi Nian, Yuan Zhang, and Yang Lei. "Fire Test on Two-Way Slab with Two Edges Clamped and Two Edges Simply Supported." Applied Mechanics and Materials 744-746 (March 2015): 148–51. http://dx.doi.org/10.4028/www.scientific.net/amm.744-746.148.

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This paper describes the results of a fire test conducted on two-way slab with two edges clamped and two edges simply supported. The details of support condition, arrangement of reinforcement, position of displacement transducers and thermocouple trees are described. The experimental results such as the temperature distributions within the slab, vertical deflections and horizontal displacements are presented. The experimental results show that the temperature distribution along the slab depth was nonlinear and the temperature gradients in the slab were large. Main cracks near the clamped edges

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11

Wormser, Maximilian, Daniel A. Kiefer, Stefan J. Rupitsch, and Carolin Körner. "Comparison of Transmission Measurement Methods of Elastic Waves in Phononic Band Gap Materials." Materials 14, no. 5 (2021): 1133. http://dx.doi.org/10.3390/ma14051133.

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Periodic cellular structures can exhibit metamaterial properties, such as phononic band gaps. In order to detect these frequency bands of strong wave attenuation experimentally, several devices for wave excitation and measurement can be applied. In this work, piezoelectric transducers are utilized to excite two additively manufactured three-dimensional cellular structures. For the measurement of the transmission factor, we compare two methods. First, the transmitted waves are measured with the same kind of piezoelectric transducer. Second, a laser Doppler vibrometer is employed to scan the mec

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12

Nagy, Benedek, and Zita Kovács. "On deterministic 1-limited 5′ → 3′ sensing Watson–Crick finite-state transducers." RAIRO - Theoretical Informatics and Applications 55 (2021): 5. http://dx.doi.org/10.1051/ita/2021007.

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Finite automata and finite state transducers belong to the bases of (theoretical) computer science with many applications. On the other hand, DNA computing and related bio-inspired paradigms are relatively new fields of computing. Watson–Crick automata are in the intersection of the above fields. These finite automata have two reading heads as they read the upper and lower strands of the input DNA molecule, respectively. In 5′ → 3′ Watson–Crick automata the two reading heads move in the same biochemical direction, that is, from the 5′ end of the strand to the direction of the 3′ end. However,

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13

Yang, Zhi Nian, and Yu Li Dong. "Fire Test on Two-way Simply Supported Concrete Slab." Applied Mechanics and Materials 405-408 (September 2013): 2380–83. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.2380.

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This paper describes the results of a fire test conducted on two-way simply supported concrete slab. The details of support condition, arrangement of reinforcement, position of displacement transducers and thermocouple trees are described. The experimental results such as the temperature distributions within the slab, vertical deflections and horizontal displacements are presented. The experimental results show that the temperature distribution along the slab depth was nonlinear and the temperature gradients in the slab were large. Three main cracks parallel to the short span direction occurre

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14

Dartois, Luc, Ismaël Jecker, and Pierre-Alain Reynier. "Aperiodic String Transducers." International Journal of Foundations of Computer Science 29, no. 05 (2018): 801–24. http://dx.doi.org/10.1142/s0129054118420054.

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Regular string-to-string functions enjoy a nice triple characterization through deterministic two-way transducers (2DFT), streaming string transducers (SST) and MSO definable functions. This result has recently been lifted to FO definable functions, with equivalent representations by means of aperiodic 2DFT and aperiodic 1-bounded SST, extending a well-known result on regular languages. In this paper, we give three direct transformations: [Formula: see text] from 1-bounded SST to 2DFT, [Formula: see text] from 2DFT to copyless SST, and [Formula: see text] from [Formula: see text]-bounded to [F

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15

Kanchanapradit, Kamin, Worakrit Thida, and Sorasak Danworaphong. "Designing of ultrasonic reactor using machine learning." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, no. 6 (2023): 2605–14. http://dx.doi.org/10.3397/in_2023_0381.

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Ultrasonic reactors consist of transducers that emit high-frequency acoustic waves, with designs varying based on their intended application. One such application is extraction, achieved through the cavitation effect generated by the pressure gradients produced by the ultrasound field within the medium. The cavitation effect depends on several physical parameters of the ultrasonic reactor, such as the driving frequency, acoustic energy, liquid medium, transducer attachment locations, and size and shape of the reactor. The proper design of an ultrasonic reactor is complex due to the numerous pa

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16

Wiranata, Lalu Febrian. "PENGUKURAN LAJU ALIRAN UDARA DALAM PIPA SECARA SIMULTAN DENGAN TRANSDUSER GANDA ULTRASONIK." Indonesian Physical Review 4, no. 1 (2021): 15. http://dx.doi.org/10.29303/ipr.v4i1.75.

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This paper aims to modification the transducer ultrasonic for measuring the distance to develop measure time of flight in the pipe with simultaneous method. To implement the application, we try to develop the microcontroller with one command transmitter and one command receiver in the same time, different from the conventional way, the transmitter and receiver work with consecutively. We try to reduce the delay time in two different transducers. In industrial, the symmetries profile must be ensured the profile always laminar. In this research, we try to use one path configuration. The result w

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17

Filiot, Emmanuel, and Pierre-Alain Reynier. "Copyful Streaming String Transducers." Fundamenta Informaticae 178, no. 1-2 (2021): 59–76. http://dx.doi.org/10.3233/fi-2021-1998.

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Copyless streaming string transducers (copyless SST) have been introduced by R. Alur and P. Černý in 2010 as a one-way deterministic automata model to define transductions of finite strings. Copyless SST extend deterministic finite state automata with a set of variables in which to store intermediate output strings, and those variables can be combined and updated all along the run, in a linear manner, i.e., no variable content can be copied on transitions. It is known that copyless SST capture exactly the class of MSO-definable string-to-string transductions, and are as expressive as determini

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18

ALLAUZEN, CYRIL, and MEHRYAR MOHRI. "N-WAY COMPOSITION OF WEIGHTED FINITE-STATE TRANSDUCERS." International Journal of Foundations of Computer Science 20, no. 04 (2009): 613–27. http://dx.doi.org/10.1142/s0129054109006772.

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Composition of weighted transducers is a fundamental algorithm used in many applications, including for computing complex edit-distances between automata, or string kernels in machine learning, or to combine different components of a speech recognition, speech synthesis, or information extraction system. We present a generalization of the composition of weighted transducers, n-way composition, which is dramatically faster in practice than the standard composition algorithm when combining more than two transducers. The worst-case complexity of our algorithm for composing three transducers T1, T

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19

Culik, II, Karel, and Juhani Karhumäki. "The Equivalence Problem for Single-Valued Two-Way Transducers (on NPDTOL Languages) is Decidable." SIAM Journal on Computing 16, no. 2 (1987): 221–30. http://dx.doi.org/10.1137/0216018.

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20

Yang, Zhi Nian, and Yu Li Dong. "Experimental Study on the Behavior of Two-Way Concrete Slab under Furnace Loading." Applied Mechanics and Materials 166-169 (May 2012): 88–92. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.88.

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This paper describes the results of a furnace test conducted on two-way concrete slab with clamped edges. The details of clamped support condition, arrangement of reinforcement, position of displacement transducers and thermocouple trees are described. Detailed experimental data in the form of describing slab cracking, the temperature distributions within the slab, vertical deflections and horizontal displacements are presented. The experimental results show that the temperature distribution along the slab depth was nonlinear and the temperature gradients in the slab were large. Extensive crac

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21

Haris, Kunnath, Rudy J. Kloser, Tim E. Ryan, and Jacques Malan. "Deep-water calibration of echosounders used for biomass surveys and species identification." ICES Journal of Marine Science 75, no. 3 (2017): 1117–30. http://dx.doi.org/10.1093/icesjms/fsx206.

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Abstract Acoustic quantification of aquatic biomass using echosounders requires accurate calibration. With the advancing applications of deep-water echosounders involving moored, towed, profiling and autonomous instruments, calibration of echosounders at the operating depth is needed to ensure unbiased estimates of biomass and species identification. In this context, the deepwater calibration acoustic facility (DeCAF) was used to examine the depth-dependent variations in on-axis gain (G0) and equivalent two-way beam angle (Ψ) of three different transducers, operating at 38 (Simrad ES38-DD and

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22

Živanović, Dragan, and Milan Simić. "Two-stage segment linearization as part of the thermocouple measurement chain." Measurement and Control 54, no. 1-2 (2021): 141–51. http://dx.doi.org/10.1177/0020294020986833.

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An implementation of a two-stage piece-wise linearization method for reduction of the thermocouple approximation error is presented in the paper. First, the whole thermocouple measurement chain of a transducer is described, and possible error is analysed to define the required level of accuracy for linearization of the transfer characteristics. Evaluation of linearization functions and analysis of approximation errors are performed by the virtual instrumentation software package LabVIEW. The method is appropriate for thermocouples and other sensors where nonlinearity varies a lot over the rang

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23

Yin, Jiawei, Zhixin Zhou, and Liang Lou. "A Novel Nondestructive Testing Probe Using AlN-Based Piezoelectric Micromachined Ultrasonic Transducers (PMUTs)." Micromachines 15, no. 3 (2024): 306. http://dx.doi.org/10.3390/mi15030306.

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Ultrasonic nondestructive testing (NDT) usually utilizes conventional bulk piezoelectric transducers as transceivers. However, the complicated preparation and assembly process of bulk piezoelectric ceramics limits the development of NDT probes toward miniaturization and high frequency. In this paper, a 4.4 mm × 4.4 mm aluminum nitride (AlN) piezoelectric micromachined ultrasonic transducer (PMUT) array is designed, fabricated, characterized, and packaged for ultrasonic pulse–echo NDT of solids for the first time. The PMUT array is prepared based on the cavity silicon-on-insulator (CSOI) proces

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24

Mondal, Shyamal C., Paul D. Wilcox, and Bruce W. Drinkwater. "Design of Two-Dimensional Ultrasonic Phased Array Transducers." Journal of Pressure Vessel Technology 127, no. 3 (2005): 336–44. http://dx.doi.org/10.1115/1.1991873.

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Two-dimensional (2D) phased arrays have the potential to significantly change the way in which engineering components in safety critical industries are inspected. In addition to enabling a three-dimensional (3D) volume of a component to be inspected from a single location, they could also be used in a C-scan configuration. The latter would enable any point in a component to be interrogated over a range of solid angles, allowing more accurate defect characterization and sizing. This paper describes the simulation and evaluation of grid, cross and circular 2D phased array element configurations.

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25

Zhang, Da Shan, and Yu Li Dong. "Experimental Behavior of One-Way Concrete Slabs at Large Displacements." Applied Mechanics and Materials 105-107 (September 2011): 1035–39. http://dx.doi.org/10.4028/www.scientific.net/amm.105-107.1035.

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This paper presents the tensile membrane action on one-way reinforced concrete slabs, and two full-scale specimens with one edge clamped and one edge simply supported were tested at large displacements. The details of the two tests including support conditions, arrangement of reinforcements and layout of displacement transducers are described. The test results show that the load-carrying capacity of the two slabs is significantly improved due to the tensile membrane action, about 26.6% more than the predicted value using the well-established yield-line theory. Until maximum vertical displaceme

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26

Cassabli, Salam Bussi EP Michel, G. M. Suchkov, S. Yu Plesnetsov, R. P. Mygushchenko, O. Yu Kropachek, and Yu O. Plesnetsov. "GENERATOR OF POWERFUL HIGH-FREQUENCY PACKAGE CURRENT PULSES FOR POWER SUPPLY OF ULTRASONIC ELECTROMAGNETIC-ACOUSTIC TRANSDUCERS." METHODS AND DEVICES OF QUALITY CONTROL, no. 2(43) (December 24, 2019): 88–95. http://dx.doi.org/10.31471/1993-9981-2019-2(43)-88-95.

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It is possible to increase the sensitivity of electromagnetic-acoustic transducers by three main methods: increasing the induction of a polarizing magnetic field; increase in strength of high-frequency current in the inductor of the converter; using modern methods of processing information packet pulses excited and received from the product. The increase in magnetic field induction of the converter is limited by the capabilities of modern powerful permanent magnets. In addition, there are significant difficulties in monitoring ferromagnetic control samples, due to the large pressing force betw

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27

Abotaleb, Mostafa, Janusz Mindykowski, Boleslaw Dudojc, and Romuald Masnicki. "Digital Communication Links Cooperating with the Analog 4-20 mA Standard for Marine Applications." Bulletin of the Polytechnic Institute of Iași. Electrical Engineering, Power Engineering, Electronics Section 67, no. 1 (2021): 21–44. http://dx.doi.org/10.2478/bipie-2021-0002.

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Abstract The maritime industry makes a significant contribution to the globalized economy. One of the most important parts of the maritime industry is transport. Maritime transport by ships is the dominant means of transport for industrial products and food. Modern ships are increasingly automated. A characteristic feature of automation systems is the use of distributed monitoring and control systems with large distances between field devices and controllers. Among many methods of signal transmission, both in measurement and control, the dominant role in related to continuous signals is played

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28

Matiss, I. "NDT of Composite Materials - Problems and Solutions 3. Modelling of Dielectric Relaxation Phenomena." Engineering Plastics 4, no. 3 (1996): 147823919600400. http://dx.doi.org/10.1177/147823919600400306.

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This paper discusses the modelling of frequency dependent dielectric relaxation as a support for designing transducers, the optimisation of testing conditions, identification of the internal structure of heterogeneous media, evaluation of errors and development of software for expert systems, etc. Basic principles, and the main models for relaxation behaviour are described. In this way it is possible to calculate the frequency dependence of the complex dielectric permittivity of various two- and three-component structures if the frequency dependence of the components is known.

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Matiss, I. "NDT of Composite Materials - Problems and Solutions 3. Modelling of Dielectric Relaxation Phenomena." Polymers and Polymer Composites 4, no. 3 (1996): 195–201. http://dx.doi.org/10.1177/096739119600400306.

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This paper discusses the modelling of frequency dependent dielectric relaxation as a support for designing transducers, the optimisation of testing conditions, identification of the internal structure of heterogeneous media, evaluation of errors and development of software for expert systems, etc. Basic principles, and the main models for relaxation behaviour are described. In this way it is possible to calculate the frequency dependence of the complex dielectric permittivity of various two- and three-component structures if the frequency dependence of the components is known.

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30

Mosland, Eivind Nag, Per Lunde, and Jan Kocbach. "Diffraction correction in high-precision pulse-echo and multiple-reflection ultrasonic measurement systems for fluids." Journal of the Acoustical Society of America 156, no. 3 (2024): 1657–73. http://dx.doi.org/10.1121/10.0028516.

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In high-precision ultrasonic measurement systems, diffraction correction models accounting for electrical and mechanical boundary conditions may be needed, as shown in prior work using a finite element diffraction correction (FEDC) model for one-way transmit-receive systems. Such descriptions may also be needed for pulse-echo and multiple-reflection ultrasonic measurement applications. The FEDC model is here generalized to n-way measurement systems (n = 1, 2, 3,…) using coaxially aligned piezoelectric transducers in a fluid medium. Comparisons are made with existing diffraction correction mode

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31

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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32

Zhukov, D. A., D. V. Vasilyev, V. V. Amelichev, et al. "Manufacturing Methods of Spin Tunnel Magnetoresistive Elements with Synthetic Antiferromagnet." Nano- i Mikrosistemnaya Tehnika 26, no. 6 (2024): 268–76. https://doi.org/10.17587/nmst.26.268-276.

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The article provides a review of modern technological methods of manufacturing spin-tunnel magnetoresistive (STMR) elements with a synthetic antiferromagnet (SAF), as well as technological processes that can increase the percentage of yield of suitable products, manufacturability and provide the required magnetic parameters of STMR elements. The relevance of research is provided by the potential and actual use of STMR nanostructures in the basis of nano- and microelectronics products such as linear and threshold magnetic field transducers, electric current transducers, magnetoresistive non-vol

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33

Zhuang, Xiao, Chao Wang, and An Quan Jiang. "The technique to symmetrize domain switching hysteresis loops in LiNbO₃ domain-wall nanodevices with improved polarization retention." Applied Physics Letters 120, no. 24 (2022): 243505. http://dx.doi.org/10.1063/5.0095892.

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Ferroelectric devices have wide applications in nonvolatile random-access memories, sensors, actuators, and transducers. The built-in potential at the interfaces could result in poor polarization retention. Here, we found an effective way to independently adjust two coercive fields of LiNbO3 mesa-like domain wall devices in contact to two side electrodes at the surface. Taking advantage of the electrode shielding effect on the depolarization field across an interfacial layer, the near-zero coercive field increases almost linearly with respect to the extending length of one side electrode cover

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34

Amarante, Tiago, Thiago H. R. Cunha, Claudio Laudares, et al. "Carbon nanotube-cellulose ink for rapid solvent identification." Beilstein Journal of Nanotechnology 14 (April 26, 2023): 535–43. http://dx.doi.org/10.3762/bjnano.14.44.

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In this work, a conductive ink based on microfibrillated cellulose (MFC) and multiwalled carbon nanotubes (MWCNTs) was used to produce transducers for rapid liquid identification. The transducers are simple resistive devices that can be easily fabricated by scalable printing techniques. We monitored the electrical response due to the interaction between a given liquid with the carbon nanotube–cellulose film over time. Using principal component analysis of the electrical response, we were able to extract robust data to differentiate between the liquids. We show that the proposed liquid sensor c

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Garinei, Alberto, and Roberto Marsili. "Development of a non-contact torque transducer based on the laser speckle contrast method." Journal of Sensors and Sensor Systems 6, no. 2 (2017): 253–58. http://dx.doi.org/10.5194/jsss-6-253-2017.

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Abstract. When a torque measurement is required, torque transducers show many drawbacks during their use: the usual limits are the need for contact and the effects on shaft line parameters. A new approach is proposed in this work: a non-contact torque meter for a machine shaft has been developed. It carries out torque measurements evaluating the torsional displacement between two distinct sections of the shaft, through the monitoring of their roughness. The sensing principle employed is the classical laser speckle contrast method. The outcoming intensity scattered by the rough surface is proce

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Andhale, Yogesh S., Faeez Masurkar, and Nitesh P. Yelve. "Localization of Damages in Plain And Riveted Aluminium Specimens using Lamb Waves." March 24, No 1 (2019): 150–65. http://dx.doi.org/10.20855/ijav.2019.24.11485.

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The Lamb wave-based localization of damage is presented here separately for the plain and riveted aluminium (Al) specimens. The first part of this paper deals with the experimental damage localization of the plain Al specimen using Lamb waves and four piezoelectric wafer (PW) transducers. The PW transducers mounted onto the specimen in a collocated way are used to actuate and sense Lamb waves. The responses are obtained for both the pristine and damaged states of the Al specimen. The signal processing is carried out on the residual response using the continuous wavelet transform (CWT), and tim

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Mhammedi, Taoufik, Lionel Camberlein, Frédéric Polet, Bruno Bêche, and Etienne Gaviot. "Fast Enthalpy-Sensing Microsystem Operating in Continuous Flow." Proceedings 2, no. 13 (2018): 771. http://dx.doi.org/10.3390/proceedings2130771.

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A new microsystem, designed to detect and measure in real time the enthalpy of mixing of two fluid-constituents is presented. A preliminary approach to arrange miniaturized batch-cells allowing detecting enthalpy of dilution or mixing is first discussed. Then, a coherent rationale leading to structure devices operating in real time is formulated, considering the straightforward assessment of heat flux transducers (HFTs) capability. Basic thermodynamic observations regarding analogy between thermal and electrical systems are highlighted prior consideration of practical examples involving mixing

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Cesaria, Maura, Adriano Colombelli, Daniela Lospinoso, et al. "Long- and Short-Range Ordered Gold Nanoholes as Large-Area Optical Transducers in Sensing Applications." Chemosensors 7, no. 1 (2019): 13. http://dx.doi.org/10.3390/chemosensors7010013.

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Unconventional lithography (such as nanosphere lithography (NSL) and colloidal lithography (CL)) is an attractive alternative to sequential and very expensive conventional lithography for the low-cost fabrication of large-area nano-optical devices. Among these, nanohole (NH) arrays are widely studied in nanoplasmonics as transducers for sensing applications. In this work, both NSL and CL are implemented to fabricate two-dimensional distributions of gold NHs. In the case of NSL, highly ordered arrays of gold NHs distributed in a hexagonal lattice onto glass substrates were fabricated by a simpl

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Fazi, Laura, Carla Andreani, Cadia D’Ottavi, et al. "Characterization of Conductive Carbon Nanotubes/Polymer Composites for Stretchable Sensors and Transducers." Molecules 28, no. 4 (2023): 1764. http://dx.doi.org/10.3390/molecules28041764.

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The increasing interest in stretchable conductive composite materials, that can be versatile and suitable for wide-ranging application, has sparked a growing demand for studies of scalable fabrication techniques and specifically tailored geometries. Thanks to the combination of the conductivity and robustness of carbon nanotube (CNT) materials with the viscoelastic properties of polymer films, in particular their stretchability, “surface composites” made of a CNT on polymeric films are a promising way to obtain a low-cost, conductive, elastic, moldable, and patternable material. The use of pol

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40

Xia, Liang, Jingchun He, Yuanyuan Sun, et al. "Comparison of Acceptable Noise Level Generated Using Different Transducers and Response Modes." Neural Plasticity 2018 (June 26, 2018): 1–9. http://dx.doi.org/10.1155/2018/3786489.

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The acceptable noise level (ANL) was defined by subtracting the background noise level (BNL) from the most comfortable listening level (MCL) (ANL = MCL − BNL). This study compared the ANL obtained through different methods in 20 Chinese subjects with normal hearing. ANL was tested with Mandarin speech materials using a loudspeaker or earphones, with each subject tested by himself or by the audiologist. The presentation and response modes were as follows: (1) loudspeaker with self-adjusted noise levels using audiometer controls (LS method); (2) loudspeaker with the subject signaling the audiolo

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Fernández Gil, Oliver, and Anni-Yasmin Turhan. "Answering Regular Path Queries Under Approximate Semantics in Lightweight Description Logics." Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 7 (2021): 6340–48. http://dx.doi.org/10.1609/aaai.v35i7.16787.

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Classical regular path queries (RPQs) can be too restrictive for some applications and answering such queries under approximate semantics to relax the query is desirable. While for answering regular path queries over graph databases under approximate semantics algorithms are available, such algorithms are scarce for the ontology-mediated setting. In this paper we extend an approach for answering RPQs over graph databases that uses weighted transducers to approximate paths from the query in two ways. The first extension is to answering approximate conjunctive 2-way regular path queries (C2RPQs)

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Mhammedi, Taoufik, Lionel Camberlein, Frédéric Polet, Bruno Bêche, and Etienne Gaviot. "Enthalpy-Sensing Microsystem Effective in Continuous Flow." Sensors 19, no. 3 (2019): 566. http://dx.doi.org/10.3390/s19030566.

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A new microsystem designed to detect and measure in real time the enthalpy of mixing of two fluid constituents is presented. A preliminary approach to quantify the enthalpy of dilution values or mixing is first discussed. Then, a coherent rationale leading to structure devices operating in real time is formulated, considering the straightforward assessment of heat-flux transducers (HFTs) capability. Basic thermodynamic observations regarding the analogy between thermal and electrical systems are highlighted prior consideration of practical examples involving mixing water and alcohols. Fundamen

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Zhang, Yan Fei, Jin Liang Gong, and Xiu Ting Wei. "Conceive and Design of a Six Dimensional Signals Acquisition Device." Applied Mechanics and Materials 43 (December 2010): 97–100. http://dx.doi.org/10.4028/www.scientific.net/amm.43.97.

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For most transducers, the two kinds of displacement and angular variants can not be captured at the same time. While for the unrestricted object, it often translates and rotates synchronously. For some important or special application fields, it is becoming more and more important to find a way to acquire all the six motion signals concurrently. Based on the parallel robot technology, a novel type of this kind of device is brought forth. It is composed of the end-effector, the stationary platform, and six sub-chains. It can translate along and rotate around any one of the three axes. Main stru

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Mirres, Ana Carolina de Morais, Brenno Enrique Pereira de Matos da Silva, Leticia Tessaro, et al. "Recent Advances in Nanomaterial-Based Biosensors for Pesticide Detection in Foods." Biosensors 12, no. 8 (2022): 572. http://dx.doi.org/10.3390/bios12080572.

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Biosensors are a simple, low-cost, and reliable way to detect pesticides in food matrices to ensure consumer food safety. This systematic review lists which nanomaterials, biorecognition materials, transduction methods, pesticides, and foods have recently been studied with biosensors associated with analytical performance. A systematic search was performed in the Scopus (n = 388), Web of Science (n = 790), and Science Direct (n = 181) databases over the period 2016–2021. After checking the eligibility criteria, 57 articles were considered in this study. The most common use of nanomaterials (NM

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Mokrani, Bilal, Renaud Bastaits, Mihaita Horodinca, et al. "Parallel Piezoelectric Shunt Damping of Rotationally Periodic Structures." Advances in Materials Science and Engineering 2015 (2015): 1–12. http://dx.doi.org/10.1155/2015/162782.

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This paper considers the RL shunt damping of rotationally periodic structures with an array of regularly spaced piezoelectric patches. The technique is targeted to the damping of a specific mode withnnodal diameters. For this particular case, one can take advantage of the shape of the targeted mode to organize the piezoelectric patches as a modal filter (in parallel loops) which reduces the demand on the inductors of the tuned inductive shunt. In the case of a perfectly rotationally periodic structure, it is possible to organize 4npiezoelectric transducers (PZT patches) in two parallel loops o

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Vázquez, Santiago, Jorge Gosálbez, Ignacio Bosch, Alicia Carrión, Carles Gallardo, and Jordi Payá. "Comparative Study of Coupling Techniques in Lamb Wave Testing of Metallic and Cementitious Plates." Sensors 19, no. 19 (2019): 4068. http://dx.doi.org/10.3390/s19194068.

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Lamb waves have emerged as a valuable tool to examine long plate-like structures in a faster way compared to conventional bulk wave techniques, which make them attractive in non-destructive testing. However, they present a multimodal and dispersive nature, which hinders signal identification. Oblique incidence is one of the most known methods to generate and receive Lamb waves and it is applied in different experimental arrangements with different types of sensors. In this work, several setups were conducted and compared to determine the optimal ones to launch and detect ultrasonic Lamb waves,

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VANDENPLAS, S., A. B. TEMSAMANI, Z. CISNEROS, and L. VAN BIESEN. "A FREQUENCY DOMAIN INVERSION METHOD APPLIED TO OBLIQUE REFLECTED SIGNALS FROM A WATER–SEDIMENT INTERFACE." Journal of Computational Acoustics 09, no. 02 (2001): 553–63. http://dx.doi.org/10.1142/s0218396x01000747.

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Due to the complexity of the seafloor as an acoustical system, it is very important to validate wave propagation models and test inversion methods first in the laboratory. A known sediment is placed in a water-filled tank, in such a way that a smooth water–sediment interface is obtained with minimal air bubbles retained in the sediment. Two broadband piston transducers are used to carry out reflection experiments at oblique incidence. The placement of the emitter and receiver is symmetrical with respect to a vertical plane perpendicular to the sediment surface. The aim of this work is to find

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Chebanenko, V. A., I. V. Zhilyaev, A. N. Soloviev, A. V. Cherpakov, and I. A. Parinov. "Numerical optimization of the piezoelectric generators." Journal of Advanced Dielectrics 10, no. 01n02 (2020): 2060016. http://dx.doi.org/10.1142/s2010135x20600164.

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This paper presents the application of the Pareto-based multicriteria optimization technique to problems of increasing the efficiency of piezoelectric generators (PEGs). The optimization problem was solved for two types of generators: cantilever and stack. For the cantilever generator, the task was to optimize the design in such a way as to obtain the maximum output power for a given mechanical excitation. The optimization process was divided into several stages, which significantly reduced the amount of calculations. The task of optimizing the stack type for a given form of mechanical loading

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Akin, Cellatoglu, and Karuppanan Balasubramanian. "REMOTE SENSING AND CONTROL FOR ESTABLISHING AND MAINTAINING DIGITAL IRRIGATION." International Journal of Advanced Information Technology (IJAIT) 2, no. 1 (2012): 11–25. https://doi.org/10.5281/zenodo.3466672.

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The remotely sensed data from an unknown location is transmitted in real time through internet and gathered in a PC. The data is collected for a considerable period of time and analyzed in PC as to assess the suitability and fertility of the land for establishing an electronic plantation in that area. The analysis also helps deciding the plantation of appropriate plants in the location identified. The system performing this task with appropriate transducers installed in remote area, the methodologies involved in transmission and data gathering are reported.. The second part of the project deal

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Tsyhanchuk, V. V., and L. S. Shlapak. "Investigation of the properties correlation of physical and mechanical characteristics of ferromagnets based on magnetoelastic sensors of mechanical stresses." Oil and Gas Power Engineering, no. 2(30) (December 5, 2018): 32–39. http://dx.doi.org/10.31471/1993-9868-2018-2(30)-32-39.

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The determination of the stress condition is a topical issue. At present, various non-destructive examination methods, such as strain gauge, magnetic, ultrasonic methods, and others are used to analyze pipelines stress condition. Each of them has its advantages and disadvantages. There is often the need to use several experimental non-destructive methods simultaneously. In this regard, the magnetic inspection holds a unique position. In this case a significant role is played by primary transducers, which directly perceive the effect of mechanical stresses and turn it into the electrical signal

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