369381, 1998. Despite existing researches, the contact mechanics of standing wave ultrasonic motors are less understood compared with traveling wave ultrasonic motors. Epub 2013 Dec 1. Correspondingly, projections on the left sides of the wave crests make the slider move toward the left. Consequently, the force causing the deflection can also be considered constant and it is expressed aswhere is Youngs modulus of the leaf spring and is the cross-sectional moment of inertia of the leaf spring. P. Smithmaitrie, P. Suybangdum, P. Laoratanakul, and N. Muensit, IEEE Trans. Careers. ALOK KUMAR YADAV ASHUTOSH SRIVASTAVA This paper proposes a nonlinear whole-machine dynamic model for a typical bimodal standing wave ultrasonic motor considering nonlinear electroelasticity of piezoelectric vibrator under high excitation voltage. Moal et al. An Ultrasonic motor is a type of electric motor formed from the ultrasonic vibration of a component, the stator being placed against another, the rotor depending on the scheme of operation. Therefore, the laser measurement has been carried out previously to the torque-speed measurement in order to examine the radial vibration amplitude of the stator under different voltages. Ultrason., Ferroelect., Freq. They work based on the electrostrictive effect of piezoelectric materials, which is an inverse effect in which piezoelec- The normal driving frequency of the stator is 74kHz. Four prototype stators with different angles have been fabricated and the experimental investigation of these stators has validated the numerical simulation. used standing-wave vibration in combination with fins placed at an angle to the contact surface to form a motor, albeit one that rotated in a single direction. J. Ryu, S. Priya, and K. Uchino, Appl. The elaboration of an ultrasonic motor is time-consuming, beca 90.DONG SX, LI Longtu, "Study on standing wave ultrasonic motor with L-B mode", FERROELECTRICS, Vol.195, pp.159-162, 1997. . The surface texture is capable of storing abrasive debris to protect the friction interface. Asymmetrical contact forces lead to the rotation of the rotor. doi: 10.1016/j.ultras.2006.05.056. It appears that you have an ad-blocker running. Bi-directional linear standing wave USM 2. The other parameters are set as p = 0.5mm, h = 4mm, D in = 20mm, and w = 0.5mm. Once the stator is stimulated by a high-frequency voltage, the leaf spring may act on the rotor in two different ways, that is, driving the rotor and blocking the rotor, according to the relative velocity between the rotor and the contact tip on the leaf spring. Ultrasonic motor 1. As the leaf spring length increases, the value of increases, while the driving force increases at first and then decreases, which causes the stall torque to increase at first and then decrease. Ferroelectr. Due to the asymmetry of the stator, inevitable manufacturing errors, or imbalance of the excitation voltages, the amplitudes of the two-phase standing waves cannot be exactly the same, resulting in unstable operating of USM. under the standing wave excitation. 2014 Mar;54(3):921-8. doi: 10.1016/j.ultras.2013.11.004. Control, O. Vyshnevskyy, S. Kovalev, and W. Wischnewskiy, IEEE Trans. Square waveform recorded on the oscilloscope indicates intermittent contact between the leaf spring and the rotor, whereas a continuous logic low signal indicates continuous contact between them. Ultrason. A prototype of the motor was constructed by using a wedge-shaped aluminum stator, which was placed horizontally and driven by a multilayer PZT vibrator. J. Appl. 2021 Aug 13;12(8):958. doi: 10.3390/mi12080958. Bookshelf Control, B. Koc, P. Bouchilloux, and K. Uchino, IEEE Trans. This site needs JavaScript to work properly. Servo speed control of travelling wave ultrasonic motor using digital signal processor. Micromachines (Basel). The scope includes designing different motor with various dimensions, from the calculation of the analytical . The torque-speed curves of the motor can be calculated from (18) and (19). On the contrary, in standing wave ultrasonic motors, the stator and rotor are in intermittent contact state and the contact area occurs at the same and small area of the stator [3]. The stator . J. Twiefel, W. Wurpts, and J. Wallaschek, Theoretical and experimental treatment of standing wave type motors contact behavior, in Proceedings of the 2009 IEEE International Ultrasonics Symposium, IUS 2009, Rome, Italy, September 2009. The mechanical performances of ultrasonic motors are strongly dependent on contact mechanics. 3, pp. We report a piezoelectric standing wave linear ultrasonic motor with double driving tips for generating precision motion. Fig: Vibratory coupler type motor . 2011 Jul;51(5):527-31. doi: 10.1016/j.ultras.2010.12.007. In order to realize bi-directional actuating, vibration mode B3 or B4 is excited in a rectangular plate-type vibrator to make the projections on the right sides or the left sides of the wave crests. Two elastic insulating spacers were inserted between the fixing plates and the stator. 233, pp. Bookshelf SEMINAR CO-ORDINATOR: BY: Ultrasonics. Please enable it to take advantage of the complete set of features! In order to validate the proposed model, the torque-speed curves of the motor under different voltages have been measured and compared with the calculated ones. This paper reviews recent developments of ultrasonic motors using piezoelectric resonant vibrations. One piezoceramic plate is positioned . " Study on characteristics of standing wave motor", ISAF'94, The Ninth International Symposium on the Applications of Ferroelectrics, IEEE, Ultrason Ferroelect & Frequency Control Soc ,USA, 1994. 2008. Clipboard, Search History, and several other advanced features are temporarily unavailable. Selecting this option will search all publications across the Scitation platform, Selecting this option will search all publications for the Publisher/Society in context, The Journal of the Acoustical Society of America, Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, https://doi.org/10.1016/j.jeurceramsoc.2007.02.125, https://doi.org/10.1016/j.ultras.2006.05.176, https://doi.org/10.1007/s10832-012-9718-3, https://doi.org/10.1016/j.ultras.2006.05.055, https://doi.org/10.1016/S0041-624X(99)00143-2, https://doi.org/10.1016/j.sna.2004.09.005, https://doi.org/10.1088/0964-1726/7/3/002, https://doi.org/10.1080/00150198808201395, https://doi.org/10.1016/j.sna.2004.01.019, https://doi.org/10.1109/TUFFC.2005.1561674, https://doi.org/10.1016/j.ultras.2010.11.006, https://doi.org/10.1016/S0924-4247(01)00707-5, https://doi.org/10.1016/j.ultras.2006.05.191, A standing wave linear ultrasonic motor operating in face-diagonal-bending mode. Sonics Ultrason. Based upon the proposed contact model and the parameters, the performances of the motor are calculated by considering varied radial vibration amplitude , leaf spring length l, and mounting angle . FOIA MeSH The features can be summarized as follows. Large-Scale Piezoelectric-Based Systems for More Electric Aircraft Applications. TYMO Rotating Curling Iron, Automatic Hair Curler, 1 1/4 Inch Ionic Self Curling Iron, Curling Wand for Waves with Extra Long Tourmaline Ceramic Barrel, Up to 430 03 44 Tiny Piezoelectric Multi-Layered Actuators with Application in a Compact Camera Module-Design, Fabrication, Assembling and Testing Issues. The stator (or actuator) of the linear motor was made of a simple single Lead Zirconate Titanate (PZT) ceramic square plate (15 15 2 mm(3)) with a circular hole (D = 6.7 mm) in the center. It is indicated that the radial vibration amplitude of the stator as well as the length and mounting angle of the leaf springs has significant impacts on the performance of the motor. Epub 2010 Nov 30. Weve updated our privacy policy so that we are compliant with changing global privacy regulations and to provide you with insight into the limited ways in which we use your data. In this paper, the principle of using an ultrasonic motor to . Federal government websites often end in .gov or .mil. Micromachines (Basel). and generates an ultrasonic standing wave in the narrow elliptical . This paper presents a new standing-wave-type linear ultrasonic motor using combination of the first longitudinal and the second bending modes. The radial vibration of point B can be written aswhere is the radial vibration amplitude of the stator and is the angular frequency. The https:// ensures that you are connecting to the Instrum. Epub 2006 Jun 5. It has been known for more than 30 years. T. If you need an account, pleaseregister here. GENERATION OF ELECTRICITY THROUGH SPEED BREAKER, Unit 4 permanent magnent synchronous macnine, IRJET- Contactless Energy Generation using Flywheel, Study of Permanent Magnent Synchronous Macnine, Stepper Motor Types, Advantages And Applications, 147753824 multipurpose-machines-using-scotch-yoke-mechanism (1), In tackling the many issues around climate one that is.docx, Identify one case study where the defendant was found.docx, In paragraph use the writing techniques in the first paragraph.docx, Identify FOUR play materials or equipment for infants and I.docx, Identify the stakeholders of your Create a stakeholder register.docx, Develop an outline for the Review of Literature ensuring you.docx, In preparation for this research review the following resources and.docx. The conductive area A2 was grounded, whereas the conductive area A1 was connected with a DC voltage source through a resistor and its voltage level was recorded on the oscilloscope. The angles and can be calculated fromandwhere and are the inner radius of the rotor (OA=r) and the outer radius of the metal ring (OB=), respectively, and is the length of the leaf spring (AB=l). 26342637, 2013. Freq. Three-degree-of-freedom ultrasonic motor using a 5-mm-diameter piezoelectric ceramic tube. Force analysis when the leaf spring drives the rotor. J. Li, S. Liu, J. Qu, Y. Cui, and Y. Liu, A contact model of traveling-wave ultrasonic motors considering preload and load torque effects, International Journal of Applied Electromagnetics and Mechanics, vol. The contact behavior between the stator and rotor is characterized by test and a continuous contact on the contact interface is confirmed. The width of the fixing plates was the same as the inner diameter of the rotor so as to ensure that the deformation of the leaf spring was in consistency with the normal working status. J. Appl. The contact behavior between the stator and rotor is characterized by test. 2011 May;51(4):397-404. doi: 10.1016/j.ultras.2010.11.006. Yang, X.; Liu, J. Ring-type traveling wave ultrasonic motor using a radial bending mode. Unlike the influence of the leaf spring length, increase of the leaf spring mounting angle leads to decrease of the stall torque, whereas it has no effect on no-load speed, as shown in Figure 9(c). A stator structure of ultrasonic motor working under the B 15 mode is analyzed and designed, which consists of a ring Si substrate of 3mm in . A novel standing wave linear ultrasonic motor with a single source of sinusoidal wave is presented for exciting first-order longitudinal and second-order bending coupling working modes. This work is supported by the National Natural Science Foundation of China (no. government site. Several leaf springs are soldered to the circumference of the metal ring as driving feet. To sign up for alerts, please log in first. Instant access to millions of ebooks, audiobooks, magazines, podcasts and more. component, the stator being placed against The no-load speed of the rotor increases linearly with the vibration amplitude increasing, whereas the stall torque remains constant despite increase of the vibration amplitude. Selecting this option will search all publications across the Scitation platform, Selecting this option will search all publications for the Publisher/Society in context, The Journal of the Acoustical Society of America, https://doi.org/10.1088/0964-1726/7/3/002, https://doi.org/10.1016/S0924-4247(02)00405-3, https://doi.org/10.1016/j.sna.2009.04.001, https://doi.org/10.1109/ROBOT.2000.845302, https://doi.org/10.1016/S0041-624X(99)00143-2, https://doi.org/10.1109/ultsym.1998.762240, https://doi.org/10.1109/TUFFC.2005.1561674, https://doi.org/10.1016/j.sna.2009.08.006, A standing wave linear ultrasonic motor operating in in-plane expanding and bending modes. Micromachines (Basel). (Flapping Wing Rotor) [, A Blade-Free drone is a blimp style drone for safe indoor flying without the use of propellers or flapping wings. First, on the basis of a kinematics analysis of the composite piezoelectric beam, the initial motor structure size is created, and the frequency difference of the two working modes of the motor with the initial . Epub 2010 Dec 21. Freq. In this paper, the operation principle of the linear motor is demonstrated. A vibratory piece is connected to a piezoelectric driver and the tip portion generates at elliptical movement. Figure 1. Looks like youve clipped this slide to already. eCollection 2019. The contact tips move forward and backward repetitively and cause rotation of the rotor via friction forces at the contact areas. proposed a novel ultrasonic stepping motor, which achieved the stepping motion by using spatial phase shift in standing wave [8]. Free access to premium services like Tuneln, Mubi and more. From t= to t= (=3T/4), the contact tip moves backward in the opposite direction of the rotor and consequently blocks the rotor, and the blocking force remains unchanged at . 77, pp. Ultrason. Relative motion between the leaf spring and rotor in one vibration cycle. D. Sun, J. Liu, and X. Ai, Modeling and performance evaluation of traveling-wave piezoelectric ultrasonic motors with analytical method, Sensors and Actuators A: Physical, vol. T. Mashimo and K. Terashima, Dynamic analysis of an ultrasonic motor using point contact model, Sensors and Actuators A: Physical, vol. This wave rotates the rotor which is in contact with the stator. T. Wakai, M. K. Kurosawa, and T. Higuchi, IEEE Ultrasonics Symp. Unauthorized use of these marks is strictly prohibited. The primary goal of this paper is to propose a contact model for the radial standing wave ultrasonic motor in order to evaluate the motor performance accurately. KTHY-040), and the Open Research Fund of Jiangsu Collaborative Innovation Center for Smart Distribution Network (no. Under the comprehensive influence of these factors, the no-load speed reaches peak value when the leaf spring length is 4.5mm. D. Xu, Y. Liu, J. Liu, and W. Chen, A bonded type ultrasonic motor using the bending of a crossbeam, IEEE Access, vol. The surface texture is capable of storing abrasive debris to protect the interface. One vibration cycle using digital signal processor in this paper reviews recent of... Ieee Trans four prototype stators with different angles have been fabricated and the experimental investigation of these factors the! S. Priya, and K. Uchino, Appl crests make the slider move toward the left these... Friction interface piece is connected to a piezoelectric driver and the stator generating precision motion speed... 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Driving tips for generating precision motion interface is confirmed Ultrasonics standing wave ultrasonic motor ebooks, audiobooks, magazines, and... Is confirmed the stepping motion by using spatial phase shift in standing in! With different angles have been fabricated and the tip portion generates at movement! Of features W. Wischnewskiy, IEEE Trans free access to premium services like standing wave ultrasonic motor Mubi... With double driving tips for generating precision motion ceramic tube the circumference of first!
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