Abstract
In order to reduce the interior noise caused by road excitation, the finite element analysis method is used to analyze the modal of the interior space, and then get the frequency response curve of the corresponding nodes in the car ear. Through the establishment of an adaptive neural network noise active control system simulink model, the simulation experiment is carried out. The experimental results show that the active control system of neural network noise control in the 0 to 50 Hz frequency band has good noise reduction effect and the average noise reduction is 4.3 dB. At 86 Hz, the maximum noise reduction is 9.8 dB, and the system can control the low frequency noise produced under the excitation of the road.
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