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Journal articles on the topic 'Primary transducers'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Ahern, Brian J., Jonathan D. Monti, Jason F. Naylor, Aaron J. Cronin, and Michael D. Perreault. "U.S. Army Combat Medic eFAST Performance with a Novel Versus Conventional Transducers: A Randomized, Crossover Trial." Military Medicine 185, Supplement_1 (2020): 19–24. http://dx.doi.org/10.1093/milmed/usz277.

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ABSTRACT Background Point-of-injury extended focused assessment with sonography in trauma (eFAST) may identify life-threatening torso hemorrhage and expedite casualty evacuation. The purpose of this study was to compare combat medic eFAST performance between the novel and conventional ultrasound (US) transducers. Methods We conducted a randomized crossover trial. Medic participants, previously naïve to US, were randomized to the type of transducer first utilized. The primary outcome was eFAST completion time in seconds. Secondary outcomes included diagnostic accuracy, technical adequacy, and t

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2

Dhahi, Alamin Y., Salwan Y. Bede, and Haig Khachadourian. "Reliability of the multipeg™ transducer in meas-uring dental implant stability by using a reso-nance frequency analysis device (Osstell®): An observational clinical study." Journal of Baghdad College of Dentistry 35, no. 3 (2023): 58–66. http://dx.doi.org/10.26477/jbcd.v35i3.3455.

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Background: Measuring implant stability is an important issue in predicting treatment success. Dental implant stability is usually measured through resonance frequency analysis (RFA). Osstell® RFA devices can be used with transducers (Smartpeg™) that correspond to the implants used as well as with transducers designed for application with Penguin® RFA devices (Multipeg™). Aims: This study aims to assess the reliability of a MultiPeg™ transducer with an Osstell® device in measuring dental implant stability. Materials and Methods: Sixteen healthy participants who required dental implant treatmen

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3

Aslam, Mohammed, Praveen Nagarajan, and Mini Remanan. "A Comparative Study of Wave Excitation in Plates Using Piezoelectric Transducers Operating at Different Modes." Materials Science Forum 969 (August 2019): 128–33. http://dx.doi.org/10.4028/www.scientific.net/msf.969.128.

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Structural health monitoring (SHM) and damage detection techniques have recently gained attention in various fields of engineering for preventing catastrophic failures. Among different SHM techniques, Lamb wave propagation methods are widely used as these waves can propagate large distance from a single source. Piezoelectric (PZT) transducers are used here as actuators and sensors to generate and receive wave signals. Most of the studies conducted on wave propagation in plates are by use of conventional d31 mode piezoelectric transducer. However, so far very few studies have been done using ot

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Isaev, Alexander Е., Alexander M. Polikarpov, Stanislav V. Sil’vestrov, and Nikolai G. Shcherblyuk. "The standard facility for the transmission the unit of sound pressure at ultrasonic frequencies." Izmeritel`naya Tekhnika, no. 6 (2020): 61–65. http://dx.doi.org/10.32446/0368-1025it.2020-6-61-65.

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Information is provided on a standard facility for calibrating hydrophones at frequencies from 100 kHz to 3 MHz, which created to expand the frequency range of the State primary standard GET 55-2017 to the area of high-frequency ultrasound. The actuality of the standard facility creation is justified. The possibilities of measurements and operation principles of the facility are briefly reviewed. The requirements to the characteristics of ultrasonic transducers are discussed. When selecting standard transducers, priority was given to their temporal stability, since the unevenness of the transd

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Zheleznyak, V. K., V. B. Tolubko, L. P. Kriuchkova, and A. P. Provozin. "Rationale for the parameters of the measuring transducer in RFID technology with inductive coupling." Proceedings of the National Academy of Sciences of Belarus, Physical-Technical Series 64, no. 1 (2019): 98–109. http://dx.doi.org/10.29235/1561-8358-2019-64-1-98-109.

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In the work the technology of radio-frequency identification of objects with inductive coupling is considered, using passive electric oscillating circuits tuned to fixed frequencies from the working frequency range as identification features of the object. The choice of the primary measuring transducer and the informative parameter is based on the results of the analysis of the system of inductively coupled active and passive electric oscillation circuits, known from the theory of radio engineering circuits. The parameters of the measuring transducer ensuring the fulfillment of the requirement

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Tsypin, B. V., S. A. Zdobnov, and K. E. Utkin. "CORRECTION OF CHARACTERISTICS OF SENSITIVE ELEMENTS PRESSURESENSORS." Izvestiya of Samara Scientific Center of the Russian Academy of Sciences 24, no. 4 (2022): 148–54. http://dx.doi.org/10.37313/1990-5378-2022-24-4-148-154.

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Methods for correcting the nonlinearity and temperature dependence of the conversion function of primary measuring transducers are given. On the example of pressure sensors, the advantages and disadvantages of correcting in the elements of the primary transducer, adjusting only in individual links, and correcting introduced into subsequent elements of the measuring circuit are considered. Options for introducing automatic correction are shown. A classification of methods for correcting the nonlinearity of the transformation function and methods for correcting the temperature error is given. Ke

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7

Shpak, Oleksandr, and Dariia Duviriak. "STUDY OF THE EFFECTIVE RADII OF ULTRASONIC TRANSDUCERS." Measuring Equipment and Metrology 85 (2024): 10–16. http://dx.doi.org/10.23939/istcmtm2024.03.010.

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The study on the effective radii of ultrasonic transducers for hydrophone calibration at the National State Primary Standard of the Unit of Ultrasonic Pressure in Water (NDETU AUV-02-2018) is presented and the appropriate method is described. The impact of the effective radius on measurement distance and diffraction loss coefficients is evaluated. The uncertainty calculation of the effective radius measurement of ultrasonic transducers is provided, and its influence on the accuracy of hydrophone calibration is assessed. Considerable attention is given to estimating the measurement distance bet

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8

Yang, Xu, Kai Chen, Yaohui Wang, Dehong Yang, and Yongping Huang. "The Sex Determination Cascade in the Silkworm." Genes 12, no. 2 (2021): 315. http://dx.doi.org/10.3390/genes12020315.

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In insects, sex determination pathways involve three levels of master regulators: primary signals, which determine the sex; executors, which control sex-specific differentiation of tissues and organs; and transducers, which link the primary signals to the executors. The primary signals differ widely among insect species. In Diptera alone, several unrelated primary sex determiners have been identified. However, the doublesex (dsx) gene is highly conserved as the executor component across multiple insect orders. The transducer level shows an intermediate level of conservation. In many, but not a

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9

Pchel'nikov, Yu N., V. V. Annenkov, A. A. Elizarov, and A. V. Fadeev. "Primary measuring transducers based on retardation systems." Measurement Techniques 37, no. 5 (1994): 506–10. http://dx.doi.org/10.1007/bf00980435.

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10

Karayannis, Chris G., Emmanouil Golias, Maria C. Naoum, and Constantin E. Chalioris. "Efficacy and Damage Diagnosis of Reinforced Concrete Columns and Joints Strengthened with FRP Ropes Using Piezoelectric Transducers." Sensors 22, no. 21 (2022): 8294. http://dx.doi.org/10.3390/s22218294.

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Recent research has indicated that the implantation of a network of piezoelectric transducer patches in element regions of potential damage development, such as the beam–column joint (BCJ) area, substantially increases the efficacy and accuracy of the structural health monitoring (SHM) methods to identify damage level, providing a reliable diagnosis. The use of piezoelectric lead zirconate titanate (PZT) transducers for the examination of the efficiency of an innovative strengthening technique of reinforced concrete (RC) columns and BCJs is presented and commented on. Two real-scale RC BCJ sub

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11

Fedynets, Vasyl, and Ihor Vasylkivskyi. "Theory and Practice of Temperature Measurement by Thermoelectric Transducers." Energy engineering and control systems 9, no. 2 (2023): 82–92. http://dx.doi.org/10.23939/jeecs2023.02.082.

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Temperature is one of the main parameters that determine the quantitative and qualitative indicators of products. Therefore, it is difficult to name a field of technology or a branch of industry where it would not be necessary to measure the temperature of solid, liquid, or gaseous substances. Along with this, it should be noted that in each specific field, the choice of methods and means of temperature measurement is determined by its specificity, which is related to the variety of technological objects, the nature of the process, the physical and chemical characteristics of the environment u

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12

Ivanov, A. V., and D. S. Kofanov. "Calculation of speech intelligibility considering primary transducers’ parameters." Journal of Physics: Conference Series 1441 (January 2020): 012041. http://dx.doi.org/10.1088/1742-6596/1441/1/012041.

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13

Svirid, V. A., and S. N. Khotyaintsev. "Primary transducers of discrete fiber-optic level gauges." Measurement Techniques 33, no. 7 (1990): 679–82. http://dx.doi.org/10.1007/bf00978541.

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14

Leung, Ho Fai, and Aiguo Patrick Hu. "Modeling and analysis of ultrasonic power transfer system with tightly coupled solid medium." Wireless Power Transfer 4, no. 1 (2016): 1–12. http://dx.doi.org/10.1017/wpt.2016.9.

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Ultrasonic Power Transfer (UPT) has been developed as an alternative solution for achieving wireless power transfer. This paper proposes a new model describing UPT systems with tightly coupled piezoelectric transducers firmly bound to solid media. The model is derived from the short-circuit admittance of the system measured from the primary transducer. The mechanical characteristics of the system are modeled with parallel LCR branches, which reveal the fundamental relationships between the power transfer characteristics of the tightly coupled UPT system and system parameters. The loading condi

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15

Carrion, Alexis, Ibrahima Touré, Tamara Krpic, Maxime Bilodeau, Patrice Masson, and Nicolas Quaegebeur. "Separate emission/reception transducers for 3D ultrafast ultrasound imaging." Journal of the Acoustical Society of America 155, no. 3_Supplement (2024): A139. http://dx.doi.org/10.1121/10.0027084.

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Recent advancements in ultrafast 3D ultrasound imaging have revolutionized the field of echography, enabling its extension to novel applications such as cerebral dynamics, cardiac electrophysiology and the quantitative imaging of intrinsic mechanical properties of tumors. To facilitate these advancements, two primary transducer strategies are employed in 3D imaging. The first involves dense 2D probes equipped with a large number of elements, typically exceeding 1024. The second strategy uses row-column addressing, which simplifies the electronic control of the probe elements. Despite their eff

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Tribushevskaia, L. A., V. V. Mitrofanov, and L. E. Osipov. "Application of Installations with Uniform-Strength Beams as Working Deformation Standards." Measurement Standards. Reference Materials 20, no. 1 (2024): 7–15. http://dx.doi.org/10.20915/2077-1177-2024-20-1-7-15.

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A method for obtaining homogeneous deformation along the length of the measuring section of a uniform-strength beam and the possibility of its application as part of a working deformation standard are considered. The results of the analysis of the bending model and the design of a uniform-strength beam are presented. In the focus of attention are the parameters included in the measurement equation and related to methodological factors, as well as influencing the result of relative deformation measurements. The subjects of research are the presence of contact friction forces, heterogeneity of m

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17

Jeong, Seungyeop, and In-Ki Jin. "Effects of Tinnitus Sound Therapy depending on Air- and Bone-Conduction Transducers." Audiology and Speech Research 16, no. 2 (2020): 104–14. http://dx.doi.org/10.21848/asr.200012.

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Purpose: The purpose of this study was to determine to compare the effects of sound therapy depending on air- and bone-conduction transducers (ACT and BCT). Methods: Participants were twenty adults who have diagnosed as subjective tinnitus in this study. All participants conducted a sound therapy using the level of mixing point for three months. Participants were randomly assigned to different groups, such as the ACT group, or BCT group. To identify the effects of sound therapy, Korean tinnitus primary function questionnaire (K-TPFQ) and visual analogue scale (VAS) were administered at pre- an

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18

КРОПИВ’ЯНСЬКИЙ, ЄВГЕНІЙ, та ОЛЕКСАНДР ЗВЯГІН. "РАДІОВИМІРЮВАЛЬНИЙ ПЕРЕТВОРЮВАЧ ВОЛОГОСТІ ҐРУНТУ НА БАЗІ ПЕРВИННОГО СЕНСОРА YL-69". Herald of Khmelnytskyi National University. Technical sciences 333, № 2 (2024): 338–43. http://dx.doi.org/10.31891/2307-5732-2024-333-2-53.

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Soil moisture monitoring in agriculture is becoming an integral part of ensuring optimal conditions for plant growth and achieving high yields, as well as an important environmental aspect for preserving natural resources and ecosystems. The increasing popularity of wireless sensor networks for measuring soil moisture underscores the need for the development of modern technologies in this field. This enables a continuous flow of real-time data on soil conditions, which is crucial for effective agricultural management and ecological balance. The paper presents the development of a radio-based s

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19

Zaiets, N., L. Vlasenko, V. Shtepa, and O. Savchuk. "Diagnostics and analysis of functioning of primary measuring transducers." Energy and automation, no. 1(47) (February 26, 2020): 25–37. http://dx.doi.org/10.31548/energiya2020.01.025.

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20

Vlajic, Nicholas, and Ako Chijioke. "Traceable dynamic calibration of force transducers by primary means." Metrologia 53, no. 4 (2016): S136—S148. http://dx.doi.org/10.1088/0026-1394/53/4/s136.

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21

Pervukhin, B. S. "Determination of the parameters of conductometer primary capacitance transducers." Measurement Techniques 52, no. 3 (2009): 322–25. http://dx.doi.org/10.1007/s11018-009-9267-6.

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22

Manuliak, I. Z., S. I. Melnychuk, Yu Yo Striletskyi, and V. M. Harasymiv. "Gas flow measuring system using signal processing on the basis of entropy estimations." Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, no. 5 (2020): 125–30. http://dx.doi.org/10.33271/nvngu/2021-5/125.

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Purpose. To increase the accuracy of gas flow measurement in tachometric transducers based on the improvement of structural, hardware and algorithmic support of information and measuring systems. Methodology. The gas consumption value is determined by the parameters of information and measurement signals. Sensor signals interacting with the environment are traditionally processed on the basis of amplitude and frequency methods. The research methodology is based on the information theory, methods of statistical and spectral analysis, digital signal processing, the theory of gas dynamics, based

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23

Inozemtsev, Maxim, Natalia Grigoreva, Natalia Volynkina, and Atabek Alibaev. "Selection and experimental study of the linear displacement converter for the automated monitoring system of mine roofs." E3S Web of Conferences 315 (2021): 03006. http://dx.doi.org/10.1051/e3sconf/202131503006.

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The justification of the linear displacement sensors installation in mine workings is described in this paper. The required technical characteristics of the sensors are given. The main types of primary linear displacement converters are presented. The choice of inductive solenoid-type converters and sensors based on linear differential transformers (LVDT) is justified. The advantages and disadvantages of inductive transducers, their accuracy and measurement limits are described, and measuring methods of inductance of the solenoid-type transducers and the converter output signal based on LVDT a

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24

Sentosa, Kathryne Ashley. "Are Triboelectric Nanogenerators More Efficient Than Piezoelectric Transducers in Generating Energy from Precipitation?" International Journal of Engineering Business and Social Science 3, no. 1 (2024): 67–71. http://dx.doi.org/10.58451/ijebss.v3i1.189.

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This review examines two primary methods for harvesting energy from precipitation: triboelectric nanogenerators (TENGs) and piezoelectric transducers, which are leading technologies in converting mechanical energy from rain into electrical energy. The comparison between TENGs and piezoelectric transducers focuses on their operational mechanisms, material characteristics, and environmental factors such as water pH and temperature. The review highlights that TENGs offer greater design flexibility, efficiency in low-intensity rain, and cost-effectiveness, while piezoelectric transducers excel in

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Sinclair, Anthony N., and Robert Malkin. "Sensors for Ultrasonic Nondestructive Testing (NDT) in Harsh Environments." Sensors 20, no. 2 (2020): 456. http://dx.doi.org/10.3390/s20020456.

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In this special issue of Sensors, seven peer-reviewed manuscripts appear on the topic of ultrasonic transducer design and operation in harsh environments: elevated temperature, high gamma and neutron fields, or the presence of chemically aggressive species. Motivations for these research and development projects are strongly focused on nuclear power plant inspections (particularly liquid-sodium cooled reactors), and nondestructive testing of high-temperature piping installations. It is anticipated that we may eventually see extensive use of permanently mounted robust transducers for in-service

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Fechan, A., Kh Ivaniuk, I. Dupliak, et al. "OLED-LC structures for primary transducers of optical temperature sensors." Molecular Crystals and Liquid Crystals 670, no. 1 (2018): 74–79. http://dx.doi.org/10.1080/15421406.2018.1542067.

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27

Mobbs, Jesse I., Matthew J. Belousoff, Kaleeckal G. Harikumar, et al. "Structures of the human cholecystokinin 1 (CCK1) receptor bound to Gs and Gq mimetic proteins provide insight into mechanisms of G protein selectivity." PLOS Biology 19, no. 6 (2021): e3001295. http://dx.doi.org/10.1371/journal.pbio.3001295.

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G protein–coupled receptors (GPCRs) are critical regulators of cellular function acting via heterotrimeric G proteins as their primary transducers with individual GPCRs capable of pleiotropic coupling to multiple G proteins. Structural features governing G protein selectivity and promiscuity are currently unclear. Here, we used cryo-electron microscopy (cryo-EM) to determine structures of the cholecystokinin (CCK) type 1 receptor (CCK1R) bound to the CCK peptide agonist, CCK-8 and 2 distinct transducer proteins, its primary transducer Gq, and the more weakly coupled Gs. As seen with other Gq/1

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28

Miller, Alexandra, Bhaskar Ramamurthy, Luke Pike, et al. "CTNI-64. FOCUSED ULTRASOUND MEDIATED BLOOD-BRAIN BARRIER PENETRANCE TO ENABLE CELL-FREE DNA (CFDNA) AS A LIQUID BIOPSY IN RECURRENT PRIMARY BRAIN TUMORS." Neuro-Oncology 24, Supplement_7 (2022): vii87—vii88. http://dx.doi.org/10.1093/neuonc/noac209.329.

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Abstract The WHO recommends molecular characterization of CNS tumors. (Louis et al., 2021, 2016). However, many patients at diagnosis and recurrence, do not have tissue accessible for genomics. Blood-based liquid biopsy tests, provide a non-invasive means to obtain genomic data. Liquid biopsy tests are widely adopted to avoid side effects related to invasive biopsies in other solid tumors. However, for primary brain tumors, most patients have cfDNA concentrations below the Limit-of-Detection (LOD) of the tests. The primary contributor to low yield is the blood-brain barrier (BBB) which prevent

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Krestovnikov, Konstantin, and Aleksei Erashov. "Signal processing of capacitive force sensors installed in the foot of an anthropomorphic robot." Information and Control Systems, no. 4 (September 12, 2022): 20–28. http://dx.doi.org/10.31799/1684-8853-2022-4-20-28.

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Introduction: The force-moment sensing of the functional surfaces in robots based on compact capacitive force sensors can significantly improve interaction with the environment and humans. Capacitive force sensors provide high measurement accuracy and speed, but the electromagnetic interference can affect significantly the signal. When processing signals the influence of external noise must be taken into account, which increases the computation time. Purpose: To apply the developed interface circuit for processing signals from capacitive primary force transducers in a real-world robot. Results

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Kaczmarek, M., A. Szczesny, and R. Nowicz. "The study of electronic voltage transducers operation in conditions of dips and interruptions of measured voltage." Bulletin of the Polish Academy of Sciences: Technical Sciences 60, no. 3 (2012): 645–49. http://dx.doi.org/10.2478/v10175-012-0076-8.

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Abstract The aim of the paper is to present a response on dips and on interruptions of the measured voltage by means of electronic voltage transducers and inductive voltage transformers. Results of laboratory studies show high overvoltages generated in both a primary and secondary side of inductive VTs during the above mentioned conditions. Overvoltages in secondary circuits may damage measuring or protection apparatus connected to the secondary side of the VT. Using electronic voltage transducers enables users to avoid these problems.

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31

Li, Shichang, Yu Lan, and Lianjin Hong. "A method to analyze the radiation characteristics of a liquid column resonance transducer based on fluid motion." Journal of the Acoustical Society of America 155, no. 1 (2024): 252–61. http://dx.doi.org/10.1121/10.0024339.

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Liquid column resonance (LCR) transducers have been widely used in deep-sea acoustic applications because of their fluid-filled structures. Until now, studies of pipe resonance have generally been based on the plane acoustic wave equation, but for a vibrating object, the velocity is the primary focus instead of the pressure. Thus, the motion equation of a pipe resonance mode can be deduced based on the Navier–Stokes (N–S) equations. In this work, the velocity of an LCR transducer is obtained using the finite element model, and the velocity distribution inside the liquid column is examined. In

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32

Lestev, A. M., M. V. Fedorov, and S. D. Evstafiev. "Identification of the noise structure of micromechanical inertial transducers of motion parameters." Radio industry (Russia) 29, no. 2 (2019): 69–75. http://dx.doi.org/10.21778/2413-9599-2019-29-2-69-75.

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The article presents the results of the analysis of the noise structure of micromechanical transducers of motion parameters – micromechanical gyroscopes (MMG) and micromechanical accelerometers (MMA) of an experimental measuring unit of strapdown inertial position navigation systems. The unit is manufactured and developed at JSC «GYROOPTICS» (St. Petersburg). It consists of a LL–MMG triad with measuring ranges of ±400°/s and an axial-type MMA triad with measuring ranges of ± 50 g. Micromechanical gyroscopes and accelerometers manufactured using modern microelectronics technologies are among th

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Jia, Guanghui, Yi Chen, Shiquan Wang, and Dong Zhang. "An application and discussion of wide-band signal processing technology in the primary calibration for hydrophones." Journal of Physics: Conference Series 2822, no. 1 (2024): 012131. http://dx.doi.org/10.1088/1742-6596/2822/1/012131.

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Abstract Wide-band signals are potentially available in the measurement of transducers, which can obtain wide-band responses of electroacoustic parameters of them directly. The hydrophone of B&K 8103 is calibrated in a Φ 1.2 m×1.8 m small water vessel by wide-band signal processing technology in the frequency range of 3.15 kHz to 100 kHz. A thin pellicle co-vibrates with acoustic particle in the free-field, and its oscillation can be detected by a laser Doppler vibrometer, which can estimate the acoustic pressure distribution. The transfer function model is established in a small water ves

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Mohit Kumar, Rajesh Kumar, MD Irfan, Deepak Kumar Nirala, and Ashish Kumar. "Optimality and Comparative Analysis of Transducers for Proving Ground Correlation for a Two-Wheeler." ARAI Journal of Mobility Technology 5, no. 2 (2025): 1584–94. https://doi.org/10.37285/ajmt.5.2.8.

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Durability qualification of vehicle components includes proving ground testing as a crucial step. These tests simulate customer roads with heightened severity to expedite damage accumulation. Establishing a correlation between proving grounds and actual road conditions is essential, considering both track mix and mileage. The demands of heightened competition and abbreviated product development timelines necessitate the development of an optimized test matrix. To achieve "first-time right" outcomes, cross-validation utilizing various sensor data is imperative. Using an accelerometer or linear

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35

YAKOBI, YA YU, and S. V. SHOSTENKO. "DEVELOPMENT AND RESEARCH OF PNEUMATIC SENSORS FOR MULTI-AXIS WELDING AUTOMATION SYSTEMS FOR THIN-WALLED STRUCTURES." IZVESTIA VOLGOGRAD STATE TECHNICAL UNIVERSITY, no. 3 (298) (March 2025): 85–88. https://doi.org/10.35211/1990-5297-2025-3-298-85-88.

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The study examines the primary jet pneumatic transformers of the slot type, which are used in argon arc welding of thin metal products. The analysis of static characteristics of pneumatic transducers was carried out. The conducted study of the static characteristics of slot primary pneumatic converters allows us to conclude that their application is promising.

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Csány, Gergely, Michael Gray, and Miklós Gyöngy. "Estimation of Acoustic Power Output from Electrical Impedance Measurements." Acoustics 2, no. 1 (2020): 37–50. http://dx.doi.org/10.3390/acoustics2010004.

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A method is proposed for estimating the acoustic power output of ultrasound transducers using a two-port model with electrical impedance measurements made in three different propagation media. When evaluated for two high-intensity focused ultrasound transducers at centre frequencies between 0.50 and 3.19 MHz, the resulting power estimates exceeded acoustic estimates by 4.5–21.8%. The method was shown to be valid for drive levels producing up to 20 MPa in water and should therefore be appropriate for many HIFU (high-intensity focused ultrasound) applications, with the primary advantage of emplo

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Griffin, Connor, and Victor Giurgiutiu. "Piezoelectric Wafer Active Sensor Transducers for Acoustic Emission Applications." Sensors 23, no. 16 (2023): 7103. http://dx.doi.org/10.3390/s23167103.

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Piezoelectric materials are defined by their ability to display a charge across their surface in response to mechanical strain, making them great for use in sensing applications. Such applications include pressure sensors, medical devices, energy harvesting and structural health monitoring (SHM). SHM describes the process of using a systematic approach to identify damage in engineering infrastructure. A method of SHM that uses piezoelectric wafers connected directly to the structure has become increasingly popular. An investigation of a novel pitch-catch method of determining instrumentation q

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Haas, Michael, Ulrike Cihak-Bayr, Christian Tomastik, Martin Jech, and Martin Gröschl. "Primary calibration by reciprocity method of high-frequency acoustic-emission piezoelectric transducers." Journal of the Acoustical Society of America 143, no. 6 (2018): 3557–62. http://dx.doi.org/10.1121/1.5041266.

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Raxmonov, Anvar, Shodlik Masharipov, Sarvar Rakhmatullaev, and Aziza Miraliyeva. "Metrological reliability of primary transducers taking into account element stability and accuracy." E3S Web of Conferences 548 (2024): 08001. http://dx.doi.org/10.1051/e3sconf/202454808001.

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Probabilistic characteristics of reliability of transient states of semiconductor converter when working together with integrated circuits are considered. The probability of effective transition of the integrated circuit, functioning with semiconductor converter, from the state of logical zero to the state of logical one is established and the corresponding probabilistic equations at sufficient signal and pause duration are obtained. During the period of operation of information and measurement devices and systems, failures occur, which can be sudden and gradual. Sudden failures are categorise

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Ferreira, C. D., G. P. Ripper, R. S. Dias, and D. B. Teixeira. "Primary calibration system for vibration transducers from 0.4 Hz to 160 Hz." Journal of Physics: Conference Series 575 (January 6, 2015): 012003. http://dx.doi.org/10.1088/1742-6596/575/1/012003.

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Il'in, A. S. "PI-4 and PI-5 standard primary instrument transducers for laser radiation." Measurement Techniques 28, no. 4 (1985): 331–34. http://dx.doi.org/10.1007/bf00862375.

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Lyutak, I. Z., Z. P. Lyutak, and A. V. Khamurda. "WEB-ORIENTED COMPONENT SYSTEM FOR CONTROL OF PIPELINES BY ULTRASOUND DIRECTED WAVES." METHODS AND DEVICES OF QUALITY CONTROL, no. 1(46) (June 28, 2021): 63–74. http://dx.doi.org/10.31471/1993-9981-2021-1(46)-63-74.

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The paper presents the development of an approach to control the presence of inclusions inside steel pipelines of small, medium and large diameters by ultrasonic guided acoustic symmetric and antisymmetric modes of zero or first order. The approach created as a control system with distributed parameters. The distributed parameters of the control system are ultrasonic primary transducers and transmitters of the radio signal received by the primary transducers. Due to the peculiarities of the propagation of directional ultrasonic waves at a distance from several meters to tens of meters, one pai

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Fiorillo, Antonino S., Salvatore Andrea Pullano, Maria Giovanna Bianco, and Costantino Davide Critello. "Ultrasonic Transducers Shaped in Archimedean and Fibonacci Spiral: A Comparison." Sensors 20, no. 10 (2020): 2800. http://dx.doi.org/10.3390/s20102800.

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We developed and investigated a particular geometry of transducers, emulating the shape of bats’ cochlea, to transmit and receive ultrasounds in the air. Their design involved the use of polyvinylidene fluoride (PVDF) as a piezoelectric material, thanks to its excellent conformability and flexibility. This material offers the primary requirements for sensing devices in applications such as sonar system or energy harvesting technology. The piezo film was folded according to both the Archimedean and Fibonacci spirals, and their performances were investigated in the frequency range from 20 kHz up

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Choi, Hee-Wook, and Wongi S. Na. "Effect of Different Weight on the Movable PZT Device on the Damage Detection Performance of Electromechanical Impedance Technique." Electronics 13, no. 13 (2024): 2589. http://dx.doi.org/10.3390/electronics13132589.

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This study presents a novel approach to conducting the electromechanical impedance (EMI) technique for delamination detection in composite structures without the need for permanently attaching PZT (Lead Zirconate Titanate) transducers to the surface. Instead, a device is created that can be simply placed on top of the composite structure, enabling one to perform the EMI technique for detecting damage. The primary objective is to investigate the effectiveness of this device in detecting delamination within composite materials. Additionally, this study explores the impact of placing additional w

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S.F., Amirov, Yakubov M.S., and Shoyimov Y.Yu. "Mathematical Modeling of the Reliability of Ferromagnetic Current Converters with Adjustable Range for Traction Power Supply Devices." INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND ANALYSIS 05, no. 06 (2022): 1341–45. https://doi.org/10.5281/zenodo.6640981.

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The factors affecting the operational reliability of primary measuring transducers (PMT) developed on the basis of ferromagnetic current transducers with adjustable range (FMCT RD) are highlighted. An assessment and analysis of the system of basic quantitative indicators of reliability for each of the proposed three current converters, which differ in the principles of operation and the number of assembly units, is made. A maintenance and repair strategy is indicated, combined with the use of methods and tools of a modern diagnostic system that ensures the reliability of these converters, usin

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Buga, Alexandru. "SETTING OF THE ANGLE OF INCIDENCE FOR GENERATING LAMB WAVES BY NON-CONTACT METHODEFFECT OF FRICTION ON THE MICROMECHANICAL PROPERTIES OF AISI 316L AUSTENITIC STEEL." Journal of Engineering Science 28, no. 3 (2021): 41–50. http://dx.doi.org/10.52326/jes.utm.2021.28(3).02.

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The article examined the problem of the experimental setting of incidence angles for the generation of Lamb waves in plate-type parts by the non-contact ultrasonic control method. This type of control is mainly done by the use of two types of waves: Rayleigh, which detects invisible defects on the surface of parts, and Lamb waves mode A0 and S0. Mostly used is the mode A0 due to the propagation over distances of interest in the tested materials. One of the primary aim during the testing process is to position the ultrasonic transducers (transmitter and receiver) at oblique angles of incidence

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Pavluchenko, O. S., and О. L. Kukla. "Quasi-synchronous thermocompensation for ISFET-based ionometric devices. Part 1: Theory and simulation." Технология и конструирование в электронной аппаратуре, no. 3-4 (2021): 36–44. http://dx.doi.org/10.15222/tkea2021.3-4.36.

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Solid-state ion selective transducers, as an alternative to the traditional liquid electrolyte-filled glass electrodes, are known for over four decades now, and find their use in various areas of industry and applied science, such as in vivo analysis of the ions activity in biological and medical research, monitoring of toxic and aggressive environments, and biosensors design. However, along with potential advantages — short response time, small size, chemical inertness and durability — solid-state devices also possess certain inherent drawbacks — namely intrinsic noise, drift and instability

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Saha, Anup, and Harish Subramani. "Extracting Flow Characteristics from Single and Multi-Point Time Series Through Correlation Analysis." Mathematical and Computational Applications 30, no. 4 (2025): 68. https://doi.org/10.3390/mca30040068.

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Strongly driven fluid and combustion systems typically contain a few, nonlinearly coupled, major flow constituents. It is necessary to identify the flow constituents in order to establish the underlying dynamics and to control these complex flows. Due to non-trivial boundary condition in realistic systems and long-range coupling, it is often difficult to construct accurate models of large-scale reacting systems. The question then arises if these flow constituents can be identified and controlled through analysis of experimental data. The difficulties in such analyses originate in the presence

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Yang, Shunmin, Wenai Song, Yifang Chen, et al. "An Ultrasonic Laminated Transducer for Viscoelastic Media Detection." Sensors 21, no. 21 (2021): 7188. http://dx.doi.org/10.3390/s21217188.

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Based on the principle of underwater transducers, an ultrasonic four-laminated transducer with a frequency of 1 MHz was proposed to solve the problem of large energy attenuation when ultrasonic waves propagate in viscoelastic media. First, this study targeted solid rocket propellant as the research object, and the energy attenuation characteristics of ultrasonic waves propagating in viscoelastic media were analyzed through the derivation of the wave equation. Second, the structure of a four-laminated transducer with a frequency of 1 MHz was designed, and the resonance frequency was obtained by

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Aikins, Kojo Atta, Jack M. A. Desbiolles, Troy A. Jensen, and Diogenes L. Antille. "A New Frame-Based Calibration Method for Extended Octagonal Ring Transducers." Applied Engineering in Agriculture 37, no. 2 (2021): 379–87. http://dx.doi.org/10.13031/aea.14252.

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HighlightsA simple frame was built to hold and apply uniaxial and biaxial loads to octagonal ring transducers for calibration.Similar results were obtained with the frame as with a universal tensile testing machine.The transducer outputs exhibited low cross-sensitivities and hysteresis (=0.4%), and R2 = 0.9998.The frame is portable and safe, and its concept can be adapted to take a wide range of non-gravitational loads.Abstract. An extended octagonal ring transducer (EORT) is a simple, single, and compact biaxial force measuring transducer, which is ideal for soil force measurement in tillage

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