Transactions of Nanjing University of Aeronautics & Astronautics
Theoretical and Experimental Studies of Active Vibration Control for Beams Using Pole Placement Method
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Abstract:
The vibration control in the frequency domain is significant. Therefore， an active vibration control in frequency domain is studied in this paper. It is generally known that piezo-intelligent structures possess satisfactory performances in the area of vibration control， and macro-fiber composites （MFCs） with high sensitivity and deformability are widely applied in engineering. So， this paper uses the MFC patches and designs a control method based on the pole placement method， and the natural frequency of the beam can be artificially designed. MFC patches are bonded on the top and bottom surfaces of the beam structure to act as the actuators and sensors. Then， the finite element method （FEM） is used to formulate the equation of motion， and the pole placement based on the out-put feedback method is used to design the active controller. Finally， the effectiveness of the active control method is verified.
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Project Supported:
The work was supported by the National Natural Science Foundation of China （Nos.11802069 and 11761131006）， the China Postdoctoral Science Foundation （No.3236310534）， the Heilongjiang Provincial Postdoctoral Science Foundation （Nos.002020830603 and LBH-TZ2008）， and the China Fundamental Research Funds for the Central Universities （No.GK2020260225）.
Clc Number:
TN925
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