This is even true in the instance of forces and pressure applied on fingers and hand in tele-robotics applications. The standing-wave type ultrasonic vibrator is easy to construct such that it realizes highly efficient vibration. Canon made use of traveling-wave vibration to obtain bi-directional motion, and found that this arrangement offered better efficiency and less contact interface wear. When the two sliders are connected together, a combined slider of dual . ABSTRACT A novel ultrasonic micro linear motor that uses 1st longitudinal and 2nd bending modes, derived from bar type stator with a rectangular slot cut through the stator length, has been proposed and designed for end-effect devices of microrobotics and bio-medical applications. Velocity 250 mm/second, Rapid Acceleration, Smallest Translation Table with Closed-Loop Linear Motor and Encoder, 0.1 m Closed-Loop Resolution with Direct Metrology Linear Encoder, Patented Ultrasonic Piezo Motor, Fast, Precise and Self Locking at Rest, 360 degrees Positioning range, 4rad Resolution, 540 deg/second. Because they're vacuum-compatible and contain no magnetic components, they're well-suited for use in military and aerospace applications, such as guidance systems and antenna positioning. The structure and working principle of the motor are analyzed. Nanjing: Nanjing University of Aeronautics and Astronautics, 2001. USA: Oxford University Press, 2002. With 8 N preload and 200V voltage, the maximum thrust force of the motor in the RD and LD modes are 2.5 and 2.1 N, respectively. Besides the common characteristics of rotary ultrasonic motors, linear ultrasonic motors also possess the following characteristics [2]: (a) the capability of a direct and straight drive; (b) a high precision accuracy up to nanometer level; (c) good control characteristics due to no movement errors from auxiliary parts, such as linkage, ball screw, transmission belt, etc; (d) a simple structure and the variability of shape, allowing easy miniaturization and weight loss. Nevertheless, it is remarkable that force feedback devices are mostly based on electromagnetic technologies. The data that support the findings of this study are available from the corresponding author upon reasonable request. Use to raise and lower power equipment attachments, auto . KTHY-040), and the Open Fund Project of Jiangsu Distribution Network Intelligent Technology and Equipment Collaborative Innovation Center (Grant No. The authors gratefully acknowledge the financial support from the Shanghai Natural Science Foundation (Grant No. The elastomer is designed as Z-shape in order to increase the transmission effect of PZT ceramics vibration to the elastomer. Nanjing: Nanjing University of Aeronautics and Astronautics, 1996. (in Chinese), Chaodong Li, Long Jin, Chunsheng Zhao. You can download the paper by clicking the button above. 2 is a side view of the above vibrator; FIG. The three-dimensional model of the stator is shown in, The structure of the dual sliders is shown in, A. Displacement response of stator caused by first bending forced vibration. Ultra High Vacuum System for Chemical Analysis and Thickness Measurement. The elastomer 21 itself is a grounding electrode and is grounded to a base 25a and 25b via above described fixing bolts 24a and 24b. Copious experts and scholars have made extensive research on the linear ultrasonic motors. Research on V Shaped Linear Ultrasonic Motor with Double Amplitude Transformer. However, human beings are only using visual and audio feedback when interacting with numerous interfaces such as computers, mobile phones, etc. 21ZR1425800) and the National Natural Science Foundation of China (Grant No. The vibration velocity is simply the time derivative of the vibration displacement in a structure, and is not (directly) related to the speed of the wave propagation within a structure. This is followed by a brief discussion on tactile feedback designs using actuation other than piezoelectric and the drawbacks and advantages of piezoelectric actuators versus other types. ABSTRACT We have been investigating several chemical microsensor technologies for the detection of chemicals found in propellant and rocket exhaust plumes and as contaminants for satellite components. In order to obtain a larger output, the optimal design of combined slider is worth well in the future. Optimization and analysis of a U-shaped linear piezoelectric ultrasonic motor using longitudinal transducers, Design and evaluation of a novel light arc-shaped ultrasonic motor, A novel linear piezoelectric actuator with two working principles of standing and traveling wave vibration mode, 4. Moreover, the embodiment uses a plate-like shaped ultrasonic vibrator, however, if producing a substantially an elliptical movement, the shape is not limited to the shape of a plate, but a disc, cylinder, annular ring, bar, square, and other various shapes may be used. The vibration amplitude of a selected node in the steady state was extracted from the simulations and plotted; this motion is shown in, A prototype of the proposed motor was fabricated based on the structural parameters given in, The resonance frequency of the stator and the associated admittance were tested using an impedance analyzer (ZX70A-500K, China); the setup used is shown in, The schematic of the device for testing the mechanical characteristics of the motor is shown in, The motor was fixed using a clamping device, and the follower with a steel ball was adopted to move in a straight line. Finally, an experimental platform is built and the mechanical characteristics of the motor are experimentally investigated. A novel linear ultrasonic motor with dual sliders using the first bending vibration mode of the stator as the working mode has been studied in this paper. The upper and lower sliders of dual sliders can be pushed in the same direction. Y. Liu, S. Shi, D. Wang, W. Chen, and D. Xu, , Research on the thermal characteristics of bending hybrid piezoelectric actuators under different exciting methods, 11. ABSTRACT Several positioning tasks demand translatory drive instead of rotary motion. FIG. A linear ultrasonic motor for providing movement relative to a rail, comprising: a groove provided at the drive units such that the groove receives the projection; wherein. L. Wang, J. Liu, Y. Liu, X. Tian, and J. Yan, , A novel single-mode linear piezoelectric ultrasonic motor based on asymmetric structure, 16. The stator consists of two PZT ceramics, a metal elastomer, and four driving feet. In the first quarter of the vibration period (pushing stage): Point C is the contact point between the left lower driving foot 1 and the lower slider. The members with the like reference numerals with FIGS. 1 is an upper surface view of an ultrasonic vibrator used in this embodiment; FIG. The linear ultrasonic motor of claim 13, in which the cross-sectional areas of the projections and the groove are one of rectangular, trapezoidal, and triangular. Phys, 1995, 34Partl(9B): 52885291. The linear ultrasonic motor (LUM) is a new type of motor that uses the reverse piezoelectric effect of piezoelectric ceramics to actuate the ultrasonic vibration of the stator. Applied Physics Letters, 2005, 86, 053501. 14. C. R. Jiang, J. Y. Zhang, D. H. Lu, and X. L. Li, , Analysis and test of a standing wave type linear ultrasonic motor, Recent developments of piezoelectric motors with diverse operating principles, Huazhong University of Science and Technology Press, Development of a new standing wave type ultrasonic linear motor, 27. The above-described embodiment uses piezoelectric bodies as driving elements of the vibrators. The operation principle of the motor is analyzed by the finite element simulation, and then, the motor prototype is designed and manufactured. At the heart of each motor / actuator is a rectangular piezo ceramic plate (the stator), segmented by two electrodes. The modal force produced by the first bending vibration can be expressed as follows: From the vibration mechanics, the displacement of the first bending vibration of the beam is, B. Oblique linear motion trajectory of driving feet, Taking the left lower driving foot of the motor as an example, the height of the driving foot is recorded as, The displacement of the driving foot from, In addition, the displacement in the vertical direction is, Since the first bending vibration is a kind of micro-vibration and the value of, The driving feet are arranged on the upper and lower surfaces of the stator. the vibrating object.). The material of the elastomer and four driving feet is No. A. D. Sarhan, J. Akbari, and N. A. Mardi, , Q. Pan, E. Miao, B. Wu, W. Chen, X. Lei, and L. He, , Y. Liu, S. Shi, C. Li, W. Chen, L. Wang, and J. Liu, , K. Yokoyama, H. Tamura, K. Masuda, and T. Takano, , Y. Liu, S. Shi, J. Yan, W. Chen, and D. Xu, , This option allows users to search by Publication, Volume and Page. Such linear ultrasonic motors are used widely for office automation equipment and drive sources of X-Y tables for machine tools. In addition, the output performance of the motor proposed in this paper is compared with several previous standing wave ultrasonic motors, as shown in. Design of the linear ultrasonic motor based on the vibration in plane of the rectangular plate. Linear Ultrasonic Motors. Acta Acustica, 1999, 24(6): 653654. The USM consists of a stator and four groups of eight piezoelectric ceramic sheets. For the combined slider, the maximum thrust force achieves 1.3 N, which raises up 30% compared with the single slider only, and the maximum output power is measured to be 32.3 mW, which raises up about 23.3% compared with the single slider. 3. Ultrasonic Motors Using Electric Ceramic Multi Mode Vibrators , by T. Takamo et al., Dept. (in Chinese), Chunsheng Zhao, Jiamei Jin. 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, Theoretical analysis and experimental investigation on a linear ultrasonic motor with a compact slider, A four-legged linear ultrasonic motor: Design and experiments, A novel double-sided flux-switching permanent magnet linear motor, A dual-channel flux-switching permanent magnet motor for hybrid electric vehicles, A novel hybrid mode linear ultrasonic motor with double driving feet, A novel L-shaped linear ultrasonic motor operating in a single resonance mode, Flying characteristics of a novel negative pressure slider Papillon, Dual traveling wave rotary ultrasonic motor with single active vibrator, A novel thin single-phase drive linear ultrasonic motor, A ring-shaped, linear piezoelectric ultrasonic motor operating in E01 mode, Modeling and verification of life prediction of a V-shaped linear ultrasonic motor, Analysis of impedance matching for a spherical multi-degree-of-freedom ultrasonic motor, School of Electric Power Engineering, Nanjing Institute of Technology, https://doi.org/10.1016/j.sna.2018.09.069, https://doi.org/10.1109/tmech.2017.2682983, https://doi.org/10.1016/j.ultras.2017.10.017, https://doi.org/10.1109/ACCESS.2020.3006888, https://doi.org/10.1007/s12204-017-1811-y, https://doi.org/10.1016/j.ultras.2020.106216, https://doi.org/10.1016/j.ultras.2018.05.010, https://doi.org/10.1016/j.ceramint.2015.03.248, https://doi.org/10.1016/j.ultras.2020.106158, https://doi.org/10.1007/s41683-017-0015-x, https://doi.org/10.1016/j.sna.2004.01.019, https://doi.org/10.1016/j.sna.2019.02.010, http://creativecommons.org/licenses/by/4.0/, A novel linear ultrasonic motor with dual sliders. (in Chinese). 12V motor has 20:1 reduction gearbox that gives actuator a dynamic load rating of 110 lbs. IEEE Ultrasonic Symposium, 1998(1): 683686. 6 is a side view of a conventional linear ultrasonic motor. Dissertation for the Degree of Master. This work provides a new structure for bidirectional USMs. Characteristics of the ultrasonic linear motor using radial and non-axisymmetric vibration modes of an annular plate. H. Tamura, K. Shibata, M. Aoyagi, T. Takano, Y. Tomikawa, and S. Hirose, , Single phase drive ultrasonic motor using LiNbO, 17. Since the protrusion 50 and the groove 51 are provided for guiding, the ultrasonic motor 31 is able to prevent the moving member from side-slipping or side-running without provision of the first support member 40 and the second support member 41. FIGS. A novel linear ultrasonic motor with dual sliders using the first bending vibration mode of the stator as the working mode has been studied in this paper. The object is to obtain a linear ultrasonic motor without deteriorating the responsiveness nor causing unnecessary vibration. 4A and 4B are perspective view showing an ultrasonic vibrator and a rail of the linear ultrasonic motor; FIGS. In the chapter is presented the approach we propose using Matlab-Simulink-Stateflow to deal with our structure as a finite state structure. Square plate type linear ultrasonic motor and its excited mode. A growing demand for actuators with a volume of less than 1mm3 has driven researchers to produce a varied range of micro/milli-scale designs. This embodiment ; FIG are only using visual and audio feedback when interacting with numerous interfaces such as,... Is built and the Open Fund Project of Jiangsu Distribution Network Intelligent Technology equipment! Of Aeronautics and Astronautics, 2001, human beings are only using visual and audio feedback interacting... Physics Letters, 2005, 86, 053501 abstract Several positioning tasks demand drive! 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