Academic literature on the topic 'Piezoelectric transformer'

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Journal articles on the topic "Piezoelectric transformer"

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Won, C. Chung. "Piezoelectric Transformer." Journal of Guidance, Control, and Dynamics 18, no. 1 (January 1995): 96–101. http://dx.doi.org/10.2514/3.56662.

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Matsuo, Yasuhide, and Akira Mizutani. "Piezoelectric transformer driving apparatus and piezoelectric transformer driving method." Journal of the Acoustical Society of America 127, no. 3 (2010): 1703. http://dx.doi.org/10.1121/1.3359217.

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Carazo, Alfredo Vazquez. "Laminated piezoelectric transformer." Journal of the Acoustical Society of America 121, no. 1 (2007): 14. http://dx.doi.org/10.1121/1.2434264.

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Tsuchiya, Hidetoshi, and Tatsuo Fukami. "Multilayered piezoelectric transformer." Ferroelectrics 63, no. 1 (June 1985): 299–308. http://dx.doi.org/10.1080/00150198508221412.

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Kozielski, Lucjan. "Light Controlled Piezoelectric Transformer." Japanese Journal of Applied Physics 50, no. 4R (April 1, 2011): 048004. http://dx.doi.org/10.7567/jjap.50.048004.

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Kozielski, Lucjan. "Light Controlled Piezoelectric Transformer." Japanese Journal of Applied Physics 50, no. 4 (April 20, 2011): 048004. http://dx.doi.org/10.1143/jjap.50.048004.

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Kozielski, Lucjan, and Frank Clemens. "Multiferroics application: Magnetic controlled piezoelectric transformer." Processing and Application of Ceramics 6, no. 1 (2012): 15–20. http://dx.doi.org/10.2298/pac1201015k.

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Dense lead zirconate titanate (PZT) ceramics is typically used for fabrications of high power piezoelectric devices. In case of lanthanum and iron ions doping into PZT solid solution (PLFZT), material exhibiting both piezoelectric and magnetic properties can be obtained. Among many investigated compositions particularly the Pb0.91(La0.5Fe0.5)0.09(Zr0,65Ti0,35 )0,9775O3, located near the morphotropic boundary, exhibits the highest magnetoelectric effect. This coupling between magnetization and polarization is achieved by the Fe3+ ions addition that sufficiently rise sensitivity to magnetic field without decreasing the dielectric loss coefficient at the same time. Taking advantage of this specific material the piezoelectric transformer (PT) with magnetic feedback was fabricated, which converts an electrical AC input voltage into ultrasonic vibrations and reconverts back to an output as AC voltage proportionally to the magnetic field intensity. In the present study the unipoled radial mode piezoelectric transformers based on PLFZT-type ceramics prepared by hot-press sintering have been investigated. The effect of the magnetic field on the operating properties was measured for piezoelectric transformer operating at the first resonance frequency.
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Yamakawa, Takahiro, Masako Kataoka, Takeshi Fujimura, and Kenji Ogawa. "Fatigue Fracture of Piezoelectric Transformer." Key Engineering Materials 181-182 (May 2000): 45–50. http://dx.doi.org/10.4028/www.scientific.net/kem.181-182.45.

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Bittencourt, Helio T. "Piezoelectric transducer and transformer circuit." Journal of the Acoustical Society of America 87, no. 4 (April 1990): 1835. http://dx.doi.org/10.1121/1.399568.

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Kartashev, I., T. Vontz, and H. Florian. "Regimes of piezoelectric transformer operation." Measurement Science and Technology 17, no. 8 (July 13, 2006): 2150–58. http://dx.doi.org/10.1088/0957-0233/17/8/014.

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Dissertations / Theses on the topic "Piezoelectric transformer"

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Sharapov, V. M., and K. V. Bazilo. "Piezoelectric transformer with parallel oscillatiry circuit." Thesis, Sumy State University, 2014. http://essuir.sumdu.edu.ua/handle/123456789/39938.

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Piezoelectric transducers are widely used in electroacoustics, hydroacoustics, in ultrasound, medical, measurement technique, in scanning probe nanomicroscopes, piezoengines and in other fields of science and technology. To create transducers with necessary characteristics the technology of additional elements can be used.
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Lin, Chih-yi. "Design and Analysis of Piezoelectric Transformer Converters." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/30723.

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Piezoelectric ceramics are characterized as smart materials and have been widely used in the area of actuators and sensors. The principle operation of a piezoelectric transformer (PT) is a combined function of actuators and sensors so that energy can be transformed from electrical form to electrical form via mechanical vibration. Since PTs behave as band-pass filters, it is particularly important to control their gains as transformers and to operate them efficiently as power-transferring components. In order to incorporate a PT into amplifier design and to match it to the linear or nonlinear loads, suitable electrical equivalent circuits are required for the frequency range of interest. The study of the accuracy of PT models is carried out and verified from several points of view, including input impedance, voltage gain, and efficiency. From the characteristics of the PTs, it follows that the efficiency of the PTs is a strong function of load and frequency. Because of the big intrinsic capacitors, adding inductive loads to the PTs is essential to obtain a satisfactory efficiency for the PTs and amplifiers. Power-flow method is studied and modified to obtain the maximum efficiency of the converter. The algorithm for designing a PT converter or inverter is to calculate the optimal load termination, YOPT, of the PT first so that the efficiency (power gain) of the PT is maximized. And then the efficiency of the dc/ac inverter is optimized according to the input impedance, ZIN, of the PT with an optimal load termination. Because the PTs are low-power devices, the general requirements for the applications of the PTs include low-power, low cost, and high efficiency. It is important to reduce the number of inductive components and switches in amplifier or dc/ac inverter designs for PT applications. High-voltage piezoelectric transformers have been adopted by power electronic engineers and researchers worldwide. A complete inverter with HVPT for CCFL or neon lamps was built, and the experimental results are presented. However, design issues such as packaging, thermal effects, amplifier circuits, control methods, and matching between amplifiers and loads need to be explored further.
Ph. D.
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Fung, Sze-wei, and 馮時維. "Modeling the rosen type piezoelectric transformer for powerconverters." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B31451226.

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Olding, Timothy Russell. "A thin film piezoelectric transformer for silicon integration." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0005/MQ42673.pdf.

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Benwell, Andrew L. Kovaleski Scott D. "A high voltage piezoelectric transformer for active interrogation." Diss., Columbia, Mo. : University of Missouri--Columbia, 2009. http://hdl.handle.net/10355/6847.

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Title from PDF of title page (University of Missouri--Columbia, viewed on Feb 23, 2010). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Dissertation advisor: Dr. Scott D. Kovaleski. Vita. Includes bibliographical references.
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Lin, Ray-Lee. "Piezoelectric Transformer Characterization and Application of Electronic Ballast." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/29948.

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The characterization and modeling of piezoelectric transformers are studied and developed for use in electronic ballasts. By replacing conventional L-C resonant tanks with piezoelectric transformers, inductor-less piezoelectric transformer electronic ballasts have been developed for use in fluorescent lamps. The piezoelectric transformer is a combination of piezoelectric actuators as the primary side and piezoelectric transducers as the secondary side, both of which work in longitudinal or transverse vibration mode. These actuators and transducers are both made of piezoelectric elements, which are composed of electrode plates and piezoelectric ceramic materials. Instead of the magnetic field coupling between the primary and secondary windings in a conventional magnetic core transformer, piezoelectric transformers transfer electrical energy via electro-mechanical coupling that occurs between the primary and secondary piezoelectric elements for isolation and step-up or step-down voltage conversion. Currently, there are three major types of piezoelectric transformers: Rosen, thickness vibration mode, and radial vibration mode, all three of which are used in DC/DC converters or in electronic ballasts for fluorescent lamps. Unlike the other two transformers, the characterization and modeling of the radial vibration mode piezoelectric transformer have not been studied and developed prior to this research work. Based on the piezoelectric and wave equations, the physics-based equivalent circuit model of radial vibration mode piezoelectric transformers is derived and verified through characterization work. Besides the major vibration mode, piezoelectric transformers have many spurious vibration modes in other frequency ranges. An improved multi-branch equivalent circuit is proposed, which more precisely characterizes radial vibration mode piezoelectric transformers to include other spurious vibration modes in wide frequency ranges, as compared with the characterizations achieved by prior circuits. Since the equivalent circuit of piezoelectric transformers is identical to the conventional L-C resonant tank used in electronic ballasts for fluorescent lamps, piezoelectric transformers replace the conventional L-C resonant tank in order to reduce the amount and cost of electronic components for the electronic ballasts. With the inclusion of the radial vibration mode piezoelectric transformer, the design and implementation of inductor-less piezoelectric transformer electronic ballast applications have been completed.
Ph. D.
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Fung, Sze-wei. "Modeling the rosen type piezoelectric transformer for power converters." Click to view the E-thesis via HKUTO, 2004. http://sunzi.lib.hku.hk/hkuto/record/B31451226.

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Do, Manh Cuong. "Piezoelectric transformer integration possibility in high power density applications." Doctoral thesis, Dresden : TUDpress Verl. der Wiss, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1214984646187-55994.

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Do, Manh Cuong. "Piezoelectric Transformer Integration Possibility in High Power Density Applications." Doctoral thesis, Technische Universität Dresden, 2007. https://tud.qucosa.de/id/qucosa%3A23676.

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The contents of this work investigate the capability of integrating the PT in applications by invoking the ratio of the throughput power to volume represented by the term: power density. The fundamentals of the PT are introduced in chapter two. In chapter three, the fundamental limitations of the PT's capability of transferring power to the load are studied. There are three major limitations: temperature rise due to losses during operation, electromechanical limits of material, and interactions with output rectifier. The analysis and estimation are then verified by experiments and calculations implemented on three different PT samples fabricated from three different manufacturers. The subject of chapter four is the behavior of the PT's power amplifier. This chapter concentrates on two main amplifier topologies, optimized based on the simplicity of structure and minimization of components (passive and active): class D and class E amplifiers. The operational characteristics of these amplifiers with the PT are then comparison. Methods to track the optimum frequency and discontinuous working mode of the PT are proposed as the approaches to improve the energy transfer of the PT. In chapter five, prototypes of four devices using a PT are developed and introduced as illustrations of the integration of PTs into practical applications: an igniter for high intensity discharge (HID) lamps, high DC voltage power supplies, and electronic ballasts for LEDs, and stand-alone ionizers for food sterilizers. Some concluding statements and ideas for future works are located in the last chapter - chapter six.
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Roberts, Anthony M. "Implementing a Piezoelectric Transformer for a Ferroelectric Phase Shifter Circuit." Cleveland State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=csu1337025849.

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Books on the topic "Piezoelectric transformer"

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Kozielski, Lucjan. Piezoelectric transformer in transducer applications. Katowice: University of Silesia, 2012.

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Syed, Ehson Muhammad. Analysis and modeling of piezoelectric transformers. Ottawa: National Library of Canada, 2001.

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Book chapters on the topic "Piezoelectric transformer"

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Falimiaramanana, D. J., H. Khalfi, J. Randrianarivelo, F. E. Ratolojanahary, L. Elmaimouni, I. Naciri, and M. Rguiti. "Legendre Polynomial Modeling of a Piezoelectric Transformer." In Advanced Technologies for Humanity, 320–30. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94188-8_30.

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Koc, Burhanettin, and Kenji Uchino. "A Disk Type Piezoelectric Transformer with Crescent Shape Input Electrodes." In Piezoelectric Materials: Advances in Science, Technology and Applications, 375–82. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-011-4094-2_36.

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Yoon, Man Soon, T. S. Yoon, J. R. Kim, Y. G. Choi, and Soon Chul Ur. "The Effects of Geometrical Factors on the Step-Up Ratio in Piezoelectric Transformer." In THERMEC 2006, 3319–25. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-428-6.3319.

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Choi, Y. G., Y. J. Son, Joon Chul Kwon, K. W. Cho, Soon Young Kweon, Tae Whan Hong, Young Geun Lee, et al. "Energy Efficiency Alloy Design in PSN-PMN-PZT Ceramic System for Piezoelectric Transformer Application." In Materials Science Forum, 690–93. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-995-4.690.

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Kuang, W., S. W. Or, C. M. Leung, and S. L. Ho. "Development of Piezoelectric Transformer -Coupled Solid State Relay for Electrical Circuit Control in Railway Systems." In Proceedings of the 1st International Workshop on High-Speed and Intercity Railways, 329–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27963-8_30.

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Erhart, Jiří, Petr Půlpán, and Martin Pustka. "Piezoelectric Transformers." In Topics in Mining, Metallurgy and Materials Engineering, 155–206. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-42481-1_5.

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Uchino, K. "Piezoelectric Motors and Transformers." In Piezoelectricity, 257–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-68683-5_11.

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Łabędzki, Paweł, Rafał Pawlikowski, and Andrzej Radowicz. "Theoretical Analysis of Piezoelectric Transformers in Different Configurations." In Advances in Intelligent Systems and Computing, 277–89. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15857-6_28.

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Li, Longtu, Ruzhong Zuo, and Zhilun Gui. "Fabrication and Cofiring Behaviors of Low-Sintering Monolithic Piezoelectric Transformers." In Recent Developments in Electronic Materials and Devices, 137–44. 735 Ceramic Place, Westerville, Ohio 43081: The American Ceramic Society, 2012. http://dx.doi.org/10.1002/9781118371107.ch14.

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Uchino, Kenji, Shashank Priya, Seyit Ural, Alfredo Vazquez Carazo, and Toru Ezaki. "High Power Piezoelectric Transformers - their Applications to Smart Actuator Systems." In Ceramic Transactions Series, 383–95. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118408186.ch36.

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Conference papers on the topic "Piezoelectric transformer"

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WON, C. "A piezoelectric transformer." In Guidance, Navigation and Control Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1993. http://dx.doi.org/10.2514/6.1993-3725.

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VanGordon, J. A., B. B. Gall, S. D. Kovaleski, E. A. Baxter, R. Almeida, and J. W. Kwon. "High voltage production from shaped piezoelectric transformers and piezoelectric transformer based circuits." In 2010 IEEE International Power Modulator and High Voltage Conference (IPMHVC). IEEE, 2010. http://dx.doi.org/10.1109/ipmhvc.2010.5958361.

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Bronstein, Svetlana, and Inna Katz. "Piezoelectric transformer parameters evaluation." In Electronics Engineers in Israel (IEEEI 2010). IEEE, 2010. http://dx.doi.org/10.1109/eeei.2010.5662144.

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Ashraf, M., and M. Aslam. "Impedance matching for underwater piezoelectric transducers using piezoelectric transformer." In 2013 10th International Bhurban Conference on Applied Sciences and Technology (IBCAST 2013). IEEE, 2013. http://dx.doi.org/10.1109/ibcast.2013.6512170.

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Ho, Shine-Tzong. "Modeling of Disk-type Piezoelectric Transformer." In 2007 2nd IEEE Conference on Industrial Electronics and Applications. IEEE, 2007. http://dx.doi.org/10.1109/iciea.2007.4318733.

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Chu, Xiang-cheng, Jun-fei Wu, Zhi-han Xu, and Long-tu Li. "Experiment research on multilayer piezoelectric transformer." In 2008 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA). IEEE, 2008. http://dx.doi.org/10.1109/spawda.2008.4775844.

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Agarwal, Sapan, and Eli Yablonovitch. "The piezoelectric transformer field effect transistor." In 2014 72nd Annual Device Research Conference (DRC). IEEE, 2014. http://dx.doi.org/10.1109/drc.2014.6872282.

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Williams, Jacob A., S. D. Kovaleski, and Vijaya Somu. "Compact Piezoelectric Transformer X-ray Source." In 2018 IEEE International Conference on Plasma Science (ICOPS). IEEE, 2018. http://dx.doi.org/10.1109/icops35962.2018.9575231.

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Kuang, A. X., L. Y. Chai, G. H. Hu, S. N. Pan, and T. S. Zhou. "Piezoelectric Ceramic Transformer High Voltage Power Supply." In Sixth IEEE International Symposium on Applications of Ferroelectrics. IEEE, 1986. http://dx.doi.org/10.1109/isaf.1986.201235.

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Horsley, E. L., M. P. Foster, and D. A. Stone. "State-of-the-art Piezoelectric Transformer technology." In 2007 European Conference on Power Electronics and Applications. IEEE, 2007. http://dx.doi.org/10.1109/epe.2007.4417637.

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