轻工机械2026，Vol.44Issue(2)：85-91,7.DOI:10.3969/j.issn.1005-2895.2026.02.010
基于振源特征的滑动轴承-转子系统主动噪声控制方法研究
Research on Active Noise Control Method for Sliding Bearing-Rotor System Based on Vibration Source Characteristics
摘要
Abstract
To address the strong reliance of conventional Active Noise Control(ANC)on high-precision acoustic sensors,a direct noise reduction method based on vibration source characteristics was proposed.By establishing a vibration-noise mapping relationship,the method directly extracted frequency-domain features from rotor system vibration signals to construct anti-noise signals,which were then converted into acoustic waveforms for noise cancellation.The results indicate that when the phase angle difference between the noise reduction signal and the vibration signal is 180°,the sound pressure level decreases significantly from 70 dB to 40 dB,with a sound pressure level reduction rate of 42.9％,and effective noise reduction can be achieved using only conventional loudspeaker devices.This method provides a new technical reference for the noise control of rotating machinery bypassing the conventional acoustic sensing step.关键词
主动噪声控制/旋转机械/振动-噪声映射关系/轴承-转子系统/相位差Key words
ANC(Active Noise Control)/rotating machinery/vibration-noise mapping relationship/sliding bearing-rotor system/phase difference分类
机械制造引用本文复制引用
崔严文,付莎莎,贾逸飞,邢宇,代阳..基于振源特征的滑动轴承-转子系统主动噪声控制方法研究[J].轻工机械,2026,44(2):85-91,7.基金项目
西安工程大学大学生创新创业训练计划项目(X202410709189) （X202410709189）
陕西省重点研发计划一般项目(2024GX-YBXM-237). （2024GX-YBXM-237）
