An electromagnetically driven stewart active and passive integrated vibration isolation platform

An electromagnetic drive, vibration isolation platform technology, applied in non-electric variable control, mechanical oscillation control, instruments and other directions, can solve problems such as low flexibility and complex structure, and achieve the effect of good application prospect, simple structure and high precision
CN105204543BInactive Publication Date: 2017-08-01SHANGHAI JIAO TONG UNIV
7 Cites 2 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI JIAO TONG UNIV
Publication Date
2017-08-01
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides an electromagnetically driven Stewart active and passive integrated vibration isolation platform, comprising a base platform connected in sequence, three lower connecting blocks, six legs, three upper connecting blocks and a load platform, characterized in that the The leg includes a force sensor and a voice coil actuator, wherein one end of the force sensor is connected to the lower connection block, and the other end is connected to the voice coil actuator to detect the magnitude of the force on the leg One end of the voice coil actuator is connected with the upper connection block, and the other end is connected with the force sensor, so as to generate different displacement and elongation according to the disturbance of the external vibration source, so as to actively control the vibration of the system. This patent mainly realizes the passive isolation of high frequency and active isolation of medium and low frequency. The attitude of the upper platform is controlled by the displacement generated by the voice coil actuator so as to achieve the purpose of active control and isolation of micro vibration. It has the characteristics of electromagnetic drive to realize ultra-low frequency control. .
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention belongs to the field of micro-vibration active control and vibration reduction, in particular to an electromagnetically driven Stewart active and passive integrated vibration isolation platform. Background technique

[0002] The current aerospace technology has had an important impact on society, economy, military and politics. With the increasing demand for social development, national security and economic construction, at the same time, the role of satellites is irreplaceable. Observation resolution requirements have also been continuously upgraded. Satellite attitude oscillations, and micro-vibration interference from satellite gyrations or reciprocating components on satellite platforms are gradually becoming bottlenecks restricting the use of highly sensitive payloads.

[0003] Microvibration is caused by the normal operation of the equipped equipment during the orbital operation of the spacecraft. Such as the rotation of the momen...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More