Micro-vibration suppression platform based on intelligent piezoelectric array and control method thereof

An intelligent piezoelectric and control method technology, which is applied in vibration suppression adjustment, non-rotational vibration suppression, spring/shock absorber, etc., can solve the problems of small application range, poor induction and suppression effect of micro-vibration signals, etc., and achieve improved motion Efficiency, improved vibration suppression effect, improved sensitivity effect

Active Publication Date: 2021-06-08
YANCHENG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is only one piezoelectric stack inside the existing damper using piezoelectric materials, which has a small application range and is not effective in inductively suppressing low-frequency, anisotropic and random micro-vibration signals.

Method used

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  • Micro-vibration suppression platform based on intelligent piezoelectric array and control method thereof
  • Micro-vibration suppression platform based on intelligent piezoelectric array and control method thereof
  • Micro-vibration suppression platform based on intelligent piezoelectric array and control method thereof

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Embodiment Construction

[0041] The technical solutions of the present invention will be further described below with reference to the accompanying drawings.

[0042] Such as figure 2 As shown in the present embodiment, the present invention includes an upper platform 11, a lower platform 13, and eight homoles, a damper 10 of the upper platform 11, the lower platform 13, and the damper 10 is divided into four main dampers and four. Interlaced distribution of subtilizers, main, and secondary dampers.

[0043] The diameter of the upper platform 11 is smaller than the diameter of the lower platform 13. One end of each damper 10 is mounted on the upper platform 11 and the other end is mounted in the lower platform 13.

[0044] Eight dampers 10 are divided into four main dampers and four sub-dampers, four main dampers and four subtilizers are axial symmetrical relationships, respectively. Among them, four main dampers are evenly distributed for one week, and their spacing is 90 °. The axis extension line of th...

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Abstract

The invention discloses a micro-vibration suppression platform based on an intelligent piezoelectric array. The micro-vibration suppression platform comprises an upper platform, a lower platform, main dampers and secondary dampers, wherein the main dampers and the secondary dampers are uniformly distributed between the upper platform and the lower platform; the main dampers and the secondary dampers are inclined; extension lines of the axes of the main dampers are intersected at a point above the upper platform; each damper comprises an outer sleeve, main shaft rods located on the central axis of the damper and a piezoelectric stack array arranged in the middle of the outer sleeve; each piezoelectric stack array at least comprises two piezoelectric stacks; the piezoelectric stacks are symmetrically distributed relative to the main shaft rods; and the centers of the arrays are hollow. Through the micro-vibration suppression platform, control and suppression of the micro-vibration signals in six degrees of freedom are realized, so that comprehensive suppression of the micro-vibration signals from all directions and motion dimensions is realized; the reliability of the vibration suppression platform is greatly improved; and the micro-vibration signals with low frequency and high anisotropy and randomness can be accurately suppressed in all directions and dimensions.

Description

Technical field [0001] The present invention relates to a platform and a control method thereof, and more particularly to a micro-vibration suppression platform based on a smart piezoelectric array and a control method thereof. Background technique [0002] The rapid development of high-tech technology, aerospace technology, biomedical technology, ultra-precision machining, urgently requires high-precision, high-stability precision mechanical system, and micro-vibration control has become constrained system accuracy and stability. One of important bottlenecks. Micro-vibration refers to a small disturbance of small vibration amplitude (generally ≤10 microns), bandwidth (0.1 Hz ~ 200 Hz). The cause of micro-vibration is very complicated, and it is possible to produce internal coupling in the system, and it is possible to come from an excitation outside the system. In mechanical systems, especially in precision mechanical systems, the presence of micro-vibration is greatly affected ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F15/08F16F15/02F16F15/00
CPCF16F15/085F16F15/022F16F15/005F16F15/002F16F15/007
Inventor 卢倩王成阳张凯凯王鹏举邵立李皓之赵博文
Owner YANCHENG INST OF TECH
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