Academic literature on the topic 'Ultrasonic motor'

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Journal articles on the topic "Ultrasonic motor"

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Huang, Jiahan, and Dong Sun. "Performance Analysis of a Travelling-Wave Ultrasonic Motor under Impact Load." Micromachines 11, no. 7 (July 16, 2020): 689. http://dx.doi.org/10.3390/mi11070689.

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With the increased application of ultrasonic motors, it is necessary to put forward higher demand for the adaptability to environment. Impact, as a type of extreme environment, is widespread in weapon systems, machinery and aerospace. However, there are few reports about the influence of impact on an ultrasonic motor. This article aimed to study the reasons for the performance degradation and failure mechanism of an ultrasonic motor in a shock environment. First, a finite element model is established to observe the dynamic response of ultrasonic motor in a shock environment. Meanwhile, the reasons of the performance degradation in the motor are discussed. An impact experiment is carried out to test the influence of impact on an ultrasonic motor, including the influence on the mechanical characteristic of an ultrasonic motor and the vibration characteristic of a stator. In addition, the protection effect of rubber on an ultrasonic motor in a shock environment is verified via an experimental method. This article reveals the failure mechanism of ultrasonic motors in a shock environment and provides a basis for the improvement of the anti-impact property of ultrasonic motors.
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Sumihara, Masanori. "Ultrasonic motor." Journal of the Acoustical Society of America 94, no. 6 (December 1993): 3531. http://dx.doi.org/10.1121/1.407178.

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Imasaka, Yoshinobu. "Ultrasonic motor." Journal of the Acoustical Society of America 87, no. 2 (February 1990): 922. http://dx.doi.org/10.1121/1.398871.

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Endo, Akira, and Nobutoshi Sasaki. "Ultrasonic motor." Journal of the Acoustical Society of America 86, no. 4 (October 1989): 1628–29. http://dx.doi.org/10.1121/1.398641.

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Iino, Akihiro. "Ultrasonic motor and electronic apparatus utilitizing ultrasonic motor." Journal of the Acoustical Society of America 119, no. 3 (2006): 1299. http://dx.doi.org/10.1121/1.2185014.

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Li, Jingwu, Zhijun Sun, He Yan, and Jinyan Chen. "Design of a Magnetically Anchored Laparoscope Using Miniature Ultrasonic Motors." Micromachines 13, no. 6 (May 30, 2022): 855. http://dx.doi.org/10.3390/mi13060855.

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Images taken by an endoscope in single-port-access surgery are the most important information for directing surgeons to operate, so acquiring images taken at better position and a more desired perspective has profound significance for improving the efficiency and safety of surgery. The magnetically anchored laparoscope can help to realize this goal compared with the traditional laparoscope used in single-port-access surgery. In this paper, we propose the concept of applying ultrasonic motors in the magnetically anchored laparoscope. Two types of ultrasonic motors used for driving the laparoscope, namely a miniature traveling wave-rotating ultrasonic motor and a miniature traveling wave-tilt ultrasonic motor, are designed. The prototype of the magnetically anchored laparoscope using these two types of ultrasonic motors is fabricated and evaluated by experiments. The results show that the maximum output torque of the miniature traveling wave-rotating ultrasonic motor is 1.2 mN·m, and that of the miniature traveling wave-tilt ultrasonic motor is 1.4 mN·m, which is enough to actuate the magnetically anchored laparoscope. Additionally, it is proven that the two designed ultrasonic motors can be applied successfully in the laparoscope.
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Xu, Dongmei, Wenzhong Yang, Xuhui Zhang, and Simiao Yu. "Design and Performance Evaluation of a Single-Phase Driven Ultrasonic Motor Using Bending-Bending Vibrations." Micromachines 12, no. 8 (July 21, 2021): 853. http://dx.doi.org/10.3390/mi12080853.

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An ultrasonic motor as a kind of smart material drive actuator has potential in robots, aerocraft, medical operations, etc. The size of the ultrasonic motor and complex circuit limits the further application of ultrasonic motors. In this paper, a single-phase driven ultrasonic motor using Bending-Bending vibrations is proposed, which has advantages in structure miniaturization and circuit simplification. Hybrid bending vibration modes were used, which were excited by only single-phase voltage. The working principle based on an oblique line trajectory is illustrated. The working bending vibration modes and resonance frequencies of the bending vibration modes were calculated by the finite element method to verify the feasibility of the proposed ultrasonic motor. Additionally, the output performance was evaluated by experiment. This paper provides a single-phase driven ultrasonic motor using Bending-Bending vibrations, which has advantages in structure miniaturization and circuit simplification.
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Toyama, S., and U. Nishizawa. "Waterproof ultrasonic motor." Vibroengineering PROCEDIA 11 (May 30, 2017): 52–55. http://dx.doi.org/10.21595/vp.2017.18378.

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Toyama, S., and U. Nishizawa. "Ultrasonic stent motor." Vibroengineering PROCEDIA 18 (May 22, 2018): 57–61. http://dx.doi.org/10.21595/vp.2018.19850.

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Onishi, Kazumasa, and Koichi Naito. "Ultrasonic linear motor." Journal of the Acoustical Society of America 97, no. 5 (May 1995): 3215. http://dx.doi.org/10.1121/1.411837.

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Dissertations / Theses on the topic "Ultrasonic motor"

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Ocklind, Henrik. "Driver Circuit for an Ultrasonic Motor." Thesis, Linköpings universitet, Elektroniksystem, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-101013.

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To make a camera more user friendly or let it operate without an user the camera objective needs to be able to put thecamera lens in focus. This functionality requires a motor of some sort, due to its many benefits the ultrasonic motor is apreferred choice. The motor requires a driving circuit to produce the appropriate signals and this is what this thesis is about.Themain difficulty that needs to be considered is the fact that the ultrasonic motor is highly non-linear.This paper will give a brief walk through of how the ultrasonic motor works,its pros and cons and how to control it. How thedriving circuit is designed and what role the various components fills. The regulator is implemented in C-code and runs on amicro processor while the actual signal generation is done on a CPLD. The report ends with a few suggestions of how toimprove the system should the presented solution not perform at a satisfactory level.
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Arkad, Jenny, and Tomas Andersson. "A Control Algorithm for an Ultrasonic Motor." Thesis, Linköpings universitet, Reglerteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-69424.

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This report is the result of a master thesis work where the goal was to develop acontrol system for a type of ultrasonic motor. The ultrasonic motors use ultrasonicvibrations from a piezoelectric material to produce a rotating motion. They arepowered by two sinusoidal voltages and their control signals generally are thevoltages amplitude, frequency and the phase difference between the two voltages.In this work the focus is on control using only amplitude and frequency. A feedbacksignal was provided by an encoder, giving an angular position. The behavior of themotors were investigated for various sets of control signals. From collected data alinearized static model was derived for the motor speed. This derived model wasused to create a two part control system, with an inner control loop to managethe speed of the motors using a PI controller and an outer control loop to managethe position of the motors. A simple algorithm was used for the position controland the result was a control system able to position the motors with a 0.1 degreeaccuracy. The motors show potential for greater accuracy with a position feedback,but the result in this work is limited by the encoder used in the experiments.
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Choi, Henry O. "A linear ultrasonic motor for nano-technology." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/38148.

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Sharp, Scott L. "Design of a Linear Ultrasonic Piezoelectric Motor." BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/997.

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A new geometrically unique ultrasonic motor (USM) was designed using finite element modeling (FEM). A USM operates by vibrating a drive tip in an elliptical motion while it is in periodic contact with a driven surface. Piezoelectric elements are used to create the elliptical motions and are driven near a resonant frequency to create the needed displacements for the motor to operate. An idea for a motor frame was conceived that consisted of an arch, a center ground, and two piezoelectric elements connected to the center ground. End caps were added between the frame and the piezoelectric elements to reduce the stress of the elements. Legs located at the bottom of were used to increase the rigidity. Several FEM programs were written to design the motor and to predict its performance. The FEM motor model exceeded the performance characteristics of the benchmark Nanomotion HR1. The model predicted a linear motor capable of pushing up to 5 N and a maximum speed of 0.4 m/s. A prototype frame was built out of tool steel and run against an oxide ceramic plate. The USM prototype's piezoelectric elements did not provide the expected displacements in the motor frame as determined by the FEM. The discrepancy was determined to be caused manufacturing errors. Soft glue layers were thicker than expected on each side of the piezoelectric elements causing a large amount of compliance inline with the piezoelectric motion. An additional unexpected layer of glue between the end cap and frame increased the compliance inline with the piezoelectric elements even more. It was also determined that even if the motor had been assembled properly that Hertzian displacement would have caused a 1/3 decrease in piezoelectric motion. The prototype frame's steady state displacements were approximately 20% of the expected output from the FEM models. The motor was still able to achieve a maximum speed of 55.6 mm/s and a push force of 0.348 N at a preload of 6 N. It is expected that a motor assembly correctly dimensioned and manufactured and designed to minimize Hertzian displacement would result in a significantly better performing prototype.
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鍾尚威 and Sheung-wai Chung. "Motion control of a travelling-wave ultrasonic motor." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B42575904.

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Chung, Sheung-wai. "Motion control of a travelling-wave ultrasonic motor." Click to view the E-thesis via HKUTO, 2001. http://sunzi.lib.hku.hk/hkuto/record/B42575904.

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Kalem, Volkan. "Development Of Piezoelectric Ceramics For Ultrasonic Motor Applications." Phd thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12612935/index.pdf.

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This study has been carried out to develop and manufacture piezoelectric ceramic materials which are utilized for ultrasonic motor (USM) applications. For this purpose, the effect of compositional modifications on the dielectric and piezoelectric properties of lead zirconate titanate (PZT) based ceramics was investigated. PZT based powders were produced using the mixed oxide method. The base composition was selected as Pb(Zr0.54Ti0.46)O3. The samples in the proximity of morphotrophic phase boundary were doped with strontium, lanthanum, lead manganese niobate (PMnN) and lead manganese antimonate (PMS) in order to improve the structural characteristics and electromechanical properties which are very important for USM applications. The dielectric constant, planar coupling coefficient, mechanical quality factor, piezoelectric strain constant and tangent loss values were evaluated in accordance with standard IRE (Institute of Radio Engineers) test procedures. The results on dielectric and piezoelectric properties showed that piezoelectric ceramics with high mechanical quality factor, high piezoelectric strain constant and low tangent loss could be produced by using the aforementioned dopants. As a result, a new piezoelectric ceramic named as 0.97[PSLZT]-0.024[PMnN]-0.006[PMS] was produced with KT= 1913, Qm= 1240, d33= 540 pC/N, tan delta= 0.89%, kp= 0.57 and Tc= 235 °
C. This composition is a good candidate for high power applications. The ceramic samples with the developed compositions were used to produce an ultrasonic-wave type motor and the performance of the USM was evaluated in terms of speed, torque and efficiency.
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Bauer, Markus Georg. "DESIGN OF A LINEAR HIGH PRECISION ULTRASONIC PIEZOELECTRIC MOTOR." NCSU, 2001. http://www.lib.ncsu.edu/theses/available/etd-20010926-162049.

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BAUER, MARKUS GEORG. Design of a Linear High Precision Ultrasonic Piezoelectric Motor. (Under the direction of Dr. Thomas A.Dow.)To understand the operating principles of linear ultrasonic piezoelectric motors, a motor made by Nanomotion Ltd. was examined and a model of the driving process was developed. A new motor has been designed that uses the same driving process but improves resolution, speed, efficiency and especially controllability. All designs involve at least two independently driven piezoelectric elements, one generating the normal load at the interface and the second generating the tangential driving force. The greatest challenges in developing this motor are 1) the actuator needs to have two different mode shapes at nearly the same frequency and 2) each mode shape must be exclusively excited by one actuator and not by the other. The quality of the operation of the motor directly depends on how well the excitation of both vibrations can be separated.Finite element analysis (FEA) has been used to model the actuator and predict the dynamic properties of a future prototype. The model includes all significant features that have to be considered such as the anisotropy of the piezoelectric material, the exact properties and the dimensions of the actuators (including all joints). Several prototypes have been built, and the resulting mode shapes and natural frequencies have been measured and compared to the computer models. The design concepts as well as the modeling techniques have been iteratively improved. Open loop testing has shown that the motor generates slideway motion such that the steady state slideway velocity is proportional to the excitation voltage. To fully characterize the motor and to demonstrate its full potential for positioning tasks, the motor has been tested in a closed loop control system. Despite saturation of the control input and nonlinearities in dynamics of the motor-slideway system, it was shown that a simple feedback control system using proportional gain or proportional-integrating control algorithms can be used to achieve a stable responsive positioning system.

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Venkatesan, Nishant. "AN EVALUATION OF THE TRAVELING WAVE ULTRASONIC MOTOR FOR FORCE FEEDBACK APPLICATIONS." UKnowledge, 2009. http://uknowledge.uky.edu/gradschool_theses/575.

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The traveling wave ultrasonic motor is considered for use in haptic devices where a certain input-output relation is desired between the applied force and the resulting motion. Historically, DC motors have been the standard choice for this purpose. Owing to its unique characteristics, the ultrasonic motors have been considered an attractive alternative. However, there are some limitations when using the ultrasonic motor for force-feedback applications. In particular, direct torque control is difficult, and the motor can only supply torque in the direction of motion. To accommodate these limitations we developed an indirect control approach. The experimental results demonstrate that the model reference control method was able to approximate a second order spring-damper system.
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Murphy, Devon Patrick. "Analysis of a Rotary Ultrasonic Motor for Application in Force-Feel Systems." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/34989.

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A qualitative analysis of a rotary traveling wave-type ultrasonic motor (USM) used to supply feedback forces in force-feel systems is carried out. Prior to simulation, the subsystems and contact mechanics needed to define the motorâ s equations of motion are discussed along with the pitfalls of modeling a USM. A mathematical model is assembled and simulated in MATLAB Simulink. Accompanying the dynamic model, a new reduced model is presented from which predictions of USM performance can be made without a complicated dynamic model. Outputs from the reduced model are compared with those of the dynamic model to show the differences in the transient solution, agreement in the steady state solution, and above all that it is an efficient tool for approximating a motorâ s steady state response as a function of varying the motor parameters. In addition, the reduced model provides the means of exploring the USMs response to additive loading, loads acting in the direction of motor motion, where only resistive loads, those opposite to the motor rotation, had been considered previously. Fundamental differences between force-feel systems comprising standard DC brushless motors as the feedback actuators and the proposed system using the USM are explained by referencing the USM contact mechanics. Outputs from USM model simulations are explored, and methods by which the motor can be implemented in the force-feel system are derived and proven through simulation. The results show that USMs, while capable of providing feedback forces in feel systems, are far from ideal for the task. The speed and position of the motor can be controlled through varying stator excitation parameters, but the transient motor output torque cannot; it is solely a function of the motor load, whether additive or resistive.
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Books on the topic "Ultrasonic motor"

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Zhao, Chunsheng. Ultrasonic Motors. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-15305-1.

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Mahmoud Shafik Hassan Abd Alla. Computer aided analysis and design of a new servo control feed drive for electro discharge machining using piezoelectric ultrasonic motor. Leicester: De Montfort University, 2003.

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Terzic, Jenny. Ultrasonic Fluid Quantity Measurement in Dynamic Vehicular Applications: A Support Vector Machine Approach. Heidelberg: Springer International Publishing, 2013.

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Piezoelectric actuators and ultrasonic motors. Boston: Kluwer Academic Publishers, 1997.

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Y, Tomikawa, ed. Ultrasonic motors: Theory and applicationms. Oxford: Clarendon Press, 1993.

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Uchino, Kenji. Piezoelectric Actuators and Ultrasonic Motors. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1463-9.

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service), SpringerLink (Online, ed. Ultrasonic Motors: Technologies and Applications. Berlin, Heidelberg: Springer-Verlag Berlin Heidelberg, 2011.

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Sashida, Toshiiku. An introduction to ultrasonic motors. Oxford: Clarendon Press, 1993.

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Chao sheng bo dian ji yun dong kong zhi li lun yu ji shu. Beijing: Ke xue chu ban she, 2011.

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Terzic, Edin, Jenny Terzic, Romesh Nagarajah, and Muhammad Alamgir. Ultrasonic Fluid Quantity Measurement in Dynamic Vehicular Applications: A Support Vector Machine Approach. Springer, 2015.

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Book chapters on the topic "Ultrasonic motor"

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Zhao, Chunsheng. "Ultrasonic Motor Using Longitudinal-Torsional Hybrid Vibration." In Ultrasonic Motors, 232–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-15305-1_8.

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Uchino, Kenji. "Ultrasonic Motor Applications." In Micro Mechatronics, 465–522. Second edition. | Boca Raton, FL : CRC Press/Taylor & Francis Group, 2019. |Includes biblographical references and index.: CRC Press, 2019. http://dx.doi.org/10.1201/9780429260308-10.

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Uchino, Kenji. "Ultrasonic Motor Applications." In Piezoelectric Actuators and Ultrasonic Motors, 265–312. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4613-1463-9_9.

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Zhao, Chunsheng. "Operating Mechanism and Modeling of Traveling Wave Rotary Ultrasonic Motor." In Ultrasonic Motors, 118–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-15305-1_5.

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Uchino, Kenji. "Pulse Drive Motor Applications." In Piezoelectric Actuators and Ultrasonic Motors, 245–64. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4613-1463-9_8.

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Nishizawa, U., S. Toyama, and T. Oohashi. "Spherical Ultrasonic Motor for Space." In Advances in Mechanism Design II, 81–86. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44087-3_11.

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Cagatay, Serra, Burhanettin Koct, and Kenji Uchino. "An Ultrasonic Motor for Catheter Applications." In Recent Developments in Electronic Materials and Devices, 199–210. 735 Ceramic Place, Westerville, Ohio 43081: The American Ceramic Society, 2012. http://dx.doi.org/10.1002/9781118371107.ch21.

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Li, You Guang, and Zai Li Chen. "A Novel Cylinder Driving Ultrasonic Motor." In Key Engineering Materials, 338–40. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-410-3.338.

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Liu, Qingquan, Xin Huo, Weijia Shi, and Hui Zhao. "Experimental Modeling of Rotary Traveling-Wave Ultrasonic Motor." In Proceedings of the 11th International Conference on Modelling, Identification and Control (ICMIC2019), 875–85. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0474-7_82.

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Fangfang, Lv, Shi Jingzhuo, and Zhang Yu. "Adaptive Pole-Assignment Speed Control of Ultrasonic Motor." In Information Computing and Applications, 649–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25255-6_82.

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Conference papers on the topic "Ultrasonic motor"

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Inaba, R., A. Tokushima, O. Kawasaki, Y. Ise, and H. Yoneno. "Piezoelectric Ultrasonic Motor." In IEEE 1987 Ultrasonics Symposium. IEEE, 1987. http://dx.doi.org/10.1109/ultsym.1987.199059.

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Morega, Alexandru M., Mihaela Morega, and Lucian Pislaru-Danescu. "Piezoelectric ultrasonic traveling wave motor." In 2016 International Conference on Applied and Theoretical Electricity (ICATE). IEEE, 2016. http://dx.doi.org/10.1109/icate.2016.7754661.

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Hirose, S., Y. Yamayoshi, and H. Ono. "A small noncontact ultrasonic motor." In 1993 IEEE Ultasonics Symposium. IEEE, 1993. http://dx.doi.org/10.1109/ultsym.1993.339535.

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Snitka, Mizariene, and Baranauskas. "Nanometric resolution ultrasonic stepper motor." In Proceedings of IEEE Ultrasonics Symposium ULTSYM-94. IEEE, 1994. http://dx.doi.org/10.1109/ultsym.1994.401649.

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Takasaki, M., H. Takano, H. Ji, and T. Mizuno. "Modified transducer for multimode ultrasonic motor." In 2011 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM). IEEE, 2011. http://dx.doi.org/10.1109/aim.2011.6027151.

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Fu, Zelin, and Hui Guo. "A study of linear ultrasonic motor." In 2009 International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD). IEEE, 2009. http://dx.doi.org/10.1109/asemd.2009.5306683.

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Giraud, Frederic. "Practical considerations in ultrasonic motor selection." In 2010 14th International Power Electronics and Motion Control Conference (EPE/PEMC 2010). IEEE, 2010. http://dx.doi.org/10.1109/epepemc.2010.5606805.

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Sherrit, Stewart, Xiaoqi Bao, Mircea Badescu, Zensheu Chang, Daniel Geiyer, Phillip Allen, Patrick Ostlund, and Yoseph Bar-Cohen. "Planar rotary motor using ultrasonic horns." In SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, edited by Masayoshi Tomizuka. SPIE, 2011. http://dx.doi.org/10.1117/12.880496.

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Kodani, Yasuhiro, Kanya Tanaka, Yuji Wakasa, Takuya Akashi, and Masato Oka. "Meal assistance robot with ultrasonic motor." In International Workshop and Conference on Photonics and Nanotechnology 2007, edited by Minoru Sasaki, Gisang Choi Sang, Zushu Li, Ryojun Ikeura, Hyungki Kim, and Fangzheng Xue. SPIE, 2007. http://dx.doi.org/10.1117/12.783967.

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Luo, Ping, Kangle Wang, Shuangjie Qiu, Zelang Liu, and Long Huang. "A 40V monolithic ultrasonic motor driver." In 2017 IEEE 12th International Conference on ASIC (ASICON). IEEE, 2017. http://dx.doi.org/10.1109/asicon.2017.8252450.

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Reports on the topic "Ultrasonic motor"

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Burden, J. Piezoceramic Ultrasonic Motor Technology. Office of Scientific and Technical Information (OSTI), December 1998. http://dx.doi.org/10.2172/2431.

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Burden, Jan. Piezoceramic Ultrasonic Motor Technology. Office of Scientific and Technical Information (OSTI), February 1999. http://dx.doi.org/10.2172/3764.

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Emery, J. D., and C. P. Mentesana. Piezoelectric theory for finite element analysis of ultrasonic motors. Office of Scientific and Technical Information (OSTI), June 1997. http://dx.doi.org/10.2172/650248.

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Lhota, J. R., G. C. Panos, E. C. Johnson, and M. C. Gregory. Ultrasonic Backscatter Technique for Corrosion Detection in Solid Rocket Motors. Fort Belvoir, VA: Defense Technical Information Center, October 1994. http://dx.doi.org/10.21236/ada307597.

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