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Experimental study on active structural acoustic control of rotating machinery using rotating piezo-based inertial actuators (CROSBI ID 219080)

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Zhao, Guoying ; Alujević, Neven ; Depraetere, Bruno ; Pinte, Gregory ; Swevers, Jan ; Sas, Paul Experimental study on active structural acoustic control of rotating machinery using rotating piezo-based inertial actuators // Journal of sound and vibration, 348 (2015), 15-30. doi: 10.1016/j.jsv.2015.03.013

Podaci o odgovornosti

Zhao, Guoying ; Alujević, Neven ; Depraetere, Bruno ; Pinte, Gregory ; Swevers, Jan ; Sas, Paul

engleski

Experimental study on active structural acoustic control of rotating machinery using rotating piezo-based inertial actuators

In this paper, two Piezo-Based Rotating Inertial Actuators (PBRIAs) are considered for the suppression of the structure-borne noise radiated from rotating machinery. As add-on devices, they can be directly mounted on a rotational shaft, in order to intervene as early as possible in the transfer path between disturbance and the noise radiating surfaces. A MIMO (Multi-Input−Multi-Output) form of the FxLMS control algorithm is employed to generate the appropriate actuation signals, relying on a linear interpolation scheme to approximate time varying secondary plants. The proposed active vibration control approach is tested on an experimental test bed comprising a rotating shaft mounted in a frame to which a noise-radiating plate is attached. The disturbance force is introduced by an electro-dynamic shaker. The experimental results show that when the shaft spins below 180 rpm, more than a 7 dB reduction can be achieved in terms of plate vibrations, along with a reduction in the same order of magnitude in terms of noise radiation.

Actuators; Algorithms; Architectural acoustics; Equipment testing; Machinery; MIMO systems; Rotating machinery; Vibrations (mechanical) Active structural acoustic control; Active vibration controls; Experimental testbed; Inertial actuators; Linear Interpolation; Multi input multi output; Radiating surface; Structure-borne noise

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Podaci o izdanju

348

2015.

15-30

objavljeno

0022-460X

10.1016/j.jsv.2015.03.013

Povezanost rada

Brodogradnja, Elektrotehnika, Strojarstvo

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