Mechanical noise and vibration control

2021 ◽  
Vol 150 (4) ◽  
pp. A23-A23
Author(s):  
Jerry G. Lilly
2016 ◽  
Vol 248 ◽  
pp. 19-26
Author(s):  
Xin Yu Shu ◽  
Pablo Ballesteros ◽  
Christian Bohn

This paper presents a method for the active noise and vibration control (ANC/AVC) of harmonically related nonstationary disturbances using varying-sampling-time linear parameter-varying (LPV) controller. The frequencies are assumed to be known and varying within given ranges and they are multiples of one fundamental frequency.


2012 ◽  
Vol 443-444 ◽  
pp. 837-842
Author(s):  
Jiang Qi Long ◽  
Si Jia Zhou ◽  
Ping Yu

The reciprocating compressor contains crank-rod mechanism whose unbalanced inertia force mainly accounts for mechanical noise and vibration during the working process. Through the analysis of fit between the diameter of the compressor piston and the crank eccentricity, influence of imbalance force on the compressor vibration and noise is obtained under no change in other parts. The tests of vibration and noise are followed for the purpose of verification. The results show that the vibration and noise control will be better if a small piston diameter and a big crank eccentricity are utilized.


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