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A vibration control device and method for multi-flexible beams driven by a synchronous belt

A flexible beam and synchronous belt technology, applied in the field of multi-flexible beam vibration control devices, can solve the problems of synchronous belt elasticity control accuracy, influence control accuracy, and high installation requirements, achieve small preload, improve detection accuracy, and drive efficiency. high effect

Inactive Publication Date: 2019-05-14
SOUTH CHINA UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The synchronous belt mechanism is driven by a servo motor. The servo motor has the advantages of high control precision, fast response, wide speed range, good dynamic characteristics, easy operation, and servo positioning. , will affect the control accuracy
The synchronous belt has the advantages of accurate transmission, stable transmission, high transmission efficiency, large speed ratio range, and can be used for long-distance transmission. In addition, the gap characteristics of the synchronous belt and the elasticity of the belt may have a certain impact on the control accuracy

Method used

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  • A vibration control device and method for multi-flexible beams driven by a synchronous belt
  • A vibration control device and method for multi-flexible beams driven by a synchronous belt
  • A vibration control device and method for multi-flexible beams driven by a synchronous belt

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Embodiment

[0037] Such as Figure 1-Figure 6 As shown, a multi-flexible beam vibration control device driven by a synchronous belt includes a flexible beam body, a detection part and a control part;

[0038] The flexible beam body includes three flexible beams with exactly the same size, material and structure, which are respectively the first flexible beam 3, the second flexible beam 13 and the third flexible beam 14, and one end of the three flexible beams is fixed on a mechanical clamp. On the device 6, the other end is a free end, the first flexible beam is fixed vertically upward, the second flexible beam is fixed vertically downward, and the center points of the two flexible beams are on the same vertical line Above, the third flexible beam is fixed along the horizontal direction. In this embodiment, it is fixed horizontally to the right and is located in the middle of the first and second flexible beams. The flexible beam designed in this way has no vibration between the three. C...

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Abstract

The invention discloses a multi-flexible beam vibration control device and method based on synchronous belt drive. The device comprises a flexible beam body, a detection part and a control part. The flexible beam body comprises three flexible beams of the same size. The detection part comprises a piezoelectric sensor and an acceleration sensor, wherein the piezoelectric sensor and the acceleration sensor are respectively arranged on the flexible beams. The control part comprises a synchronous belt drive control system and a piezoelectric drive control system. The vibration signal of the flexible beam structure is detected by the piezoelectric sensor and the acceleration sensor. A synchronous belt driven by a servo motor and a piezoelectric drive are used as an actuator for suppressing vibration. The device can be used to study the influence and vibration control of gravity, synchronous belt gap characteristics, synchronous belt elasticity and other factors on the vibration of the flexible beam structure.

Description

technical field [0001] The invention relates to the field of flexible structure positioning and vibration control, in particular to a multi-flexible beam vibration control device and method based on synchronous belt drive. Background technique [0002] Flexible structures are widely used in aerospace and industrial production fields. Compared with rigid structures, they have the advantages of light weight, low energy consumption, high efficiency, and flexible operation. However, flexible structures have low natural frequencies and low-frequency modal vibrations are easily excited. Limit its application and development in some fields. [0003] In recent years, the active vibration control of flexible structures has become the focus and hot topic of research in the world today. The acceleration sensor is light in weight, easy to install, and has a wide frequency band. Using the acceleration sensor feedback control can increase the active damping of the system in a wide freque...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D19/02
CPCG05D19/02
Inventor 邱志成王涛先
Owner SOUTH CHINA UNIV OF TECH
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