Double-stage vibration isolation system can attenuate structure-born noise in media and high frequency band effectively, which improves the ship’s capability of concealment greatly. At the same time, this vibration control system can decrease the isolated equipment’s acceleration response while subjected to foundation shock excitation effectively. Hence ensure the isolated equipment’s acceleration response in a safety range. But the maximum displacement response of the isolated equipment will increase greatly at the same time. This requires that those flexible connecting components between the equipment and the environment should have great permitted displacement. If an auxiliary power system which can adjust the characteristics of the vibration isolations in the main system according to the vibration state is mounted on the middle mass block, it will output suitable force to attenuate the oscillation quickly to protect both the isolated equipment and the flexible connecting components under shock excitation condition. Simulation results show that this method is effective.
The Application of State Feedback Control in Double-Stage Vibration Isolation System
2012
4 Seiten
Aufsatz (Konferenz)
Englisch
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