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Compact type double-actuation assembly piezoelectric stick-slip driving device and driving method thereof

A technology for actuating components and driving devices, which can be applied to piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, generators/motors, etc., which can solve the difficulty in adjusting friction force and the limited performance of piezoelectric drives and other problems to achieve the effect of improving output performance, output force, and output speed

Active Publication Date: 2018-07-20
CHANGCHUN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems of the current piezoelectric stick-slip driver, such as the limited performance of the piezoelectric driver caused by the difficulty in adjusting the friction force during the driving process, the present invention discloses a compact dual-actuation component piezoelectric stick-slip driver and its drive method

Method used

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  • Compact type double-actuation assembly piezoelectric stick-slip driving device and driving method thereof
  • Compact type double-actuation assembly piezoelectric stick-slip driving device and driving method thereof
  • Compact type double-actuation assembly piezoelectric stick-slip driving device and driving method thereof

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specific Embodiment approach 1

[0020] Specific implementation mode one: combine Figure 1~Figure 7 Describe this embodiment. This embodiment provides a specific implementation of a compact dual-actuation component piezoelectric stick-slip drive device. The specific embodiment of the compact dual-actuation component piezoelectric stick-slip drive device is described as follows:

[0021] The compact dual-actuation assembly piezoelectric stick-slip driving device is composed of a workbench 1, a double-rail mover 2, a double-drive stator 3 and a thread loader 4; the double-rail mover 2 is fixedly installed on the workbench The mover of 1 is installed on the plane 1-1, the double drive stator 2 is installed on the stator installation plane 1-3, and the threaded loader 4 is connected to the workbench 1 and the double drive stator 3 through screw fit.

[0022] The workbench 1 can be made of stainless steel, and the workbench 1 includes a mover installation plane 1-1, a mover installation screw hole 1-2, a stator ...

specific Embodiment approach 2

[0026] Specific implementation mode two: combination Figure 8 This embodiment is described. This embodiment provides a specific implementation of a compact dual-actuation component piezoelectric stick-slip driving device driving method. The driving method of a compact dual-actuation component piezoelectric stick-slip driving device is as follows shown.

[0027] The composite excitation electric signal adopted in the driving method is realized. The composite excitation electric signal includes the friction control wave and the driving wave. By superimposing the friction control wave on the fast energization stage of the driving wave, the double drive stator is excited to be in the microscopic state during the rapid deformation stage. Secondary high-frequency resonance state, based on the ultrasonic anti-friction effect to reduce the frictional resistance between the double-driven stator and the double-rail mover in the rapid deformation stage; the driving wave is a sawtooth wa...

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Abstract

The invention provides a compact type double-actuation assembly piezoelectric stick-slip driving device and driving method thereof, so as to solve the problem that since frictional force adjustment ofa current piezoelectric driver is difficult in a driving process, precise motion of large stroke with high precision is difficult to realize. The device includes a working table, a double-guide railrotor, a double-driving stator and a thread loader; and the double-guide rail rotor is fixedly mounted on a rotor mounting plane of the working table, the double-driving stator is mounted on a statormounting plane, and the thread loader is connected with the working table and the double-driving stator through thread fit. The compact type double-actuation assembly piezoelectric stick-slip drivingdevice realizes a friction regulation function of a triangular double-driving mechanism through the tread loader, can remarkably improve a mechanical output characteristic, has the characteristics ofcompact structure, convenient assembling, high positioning precision, large stroke and the like, and can be widely applied to the technical fields of micro-nano precise driving and positioning of superfinishing, precision optics and the like.

Description

technical field [0001] The invention relates to a piezoelectric stick-slip driving device and a driving method thereof of a compact dual-actuating component, and belongs to the technical field of precision driving and positioning. Background technique [0002] With the rapid development of modern science and technology, many cutting-edge high-tech fields such as micro-nano processing, micro-nano manipulation, precision optics, biomedical engineering, and aerospace have undergone rapid changes. While these fields continue to progress, higher and newer requirements are put forward for its core supporting technology - ultra-precision drive technology. Piezoelectric drive technology is a new type of drive method that uses the inverse piezoelectric effect of piezoelectric materials to convert electrical energy into mechanical energy. Piezoelectric drives have obvious comprehensive advantages in terms of volume, precision, response speed, output force and power density. Various n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/02H02N2/04H02N2/06
Inventor 程廷海李义康唐晚静贾荣杨晨邢辉达
Owner CHANGCHUN UNIV OF TECH
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