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提升小波在电机定子电流信号去噪中的应用
Alternative TitleApplying of lift wavelet on denoising of motor stator current signal
胡为; 胡静涛
Department工业控制系统研究室
Source Publication仪器仪表学报
ISSN0254-3087
2007
Volume28Issue:SPages:579-582
Contribution Rank1
Funding Organization沈阳市科技计划(1053084-2-02)资助项目
Keyword提升小波 信号去噪 定子电流
Abstract针对提升小波变换不依赖于傅立叶变换、运算速度快、算法简捷的特点,本文将提升小波变换应用于电机定子电流信号的去噪中,对经过提升小波分解的电机定子电流信号的高频部分进行阈值处理,剔除噪声成分。实验结果表明在同等的去噪效果上,使用提升小波分解去噪比常规小波分解去噪节省了近一半的时间,提高了电机故障诊断系统的计算速度,减少了系统的运算时间。
Other AbstractOwing to the lift wavelet transform has the characters of in independing of Fourier transform,fast com- pute speed and simple algorithm,this paper applied the lift wavelet transform on denoising of motor stator current signal,and removed the noises from the high frequency part of the decomposed current signal with setting the threshold.The experiment indicated that denoising method based on lift wavelet transform had used almost half the time of the method based on common wavelet transform used.The method greatly enhanced the compute speed of the motor fault diagnosis system,and reduced the compute time of the system.
Language中文
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/4980
Collection工业信息学研究室_工业控制系统研究室
Corresponding Author胡为
Affiliation1.中国科学院沈阳自动化研究所控制系统研究室
2.中国科学院研究生院
Recommended Citation
GB/T 7714
胡为,胡静涛. 提升小波在电机定子电流信号去噪中的应用[J]. 仪器仪表学报,2007,28(S):579-582.
APA 胡为,&胡静涛.(2007).提升小波在电机定子电流信号去噪中的应用.仪器仪表学报,28(S),579-582.
MLA 胡为,et al."提升小波在电机定子电流信号去噪中的应用".仪器仪表学报 28.S(2007):579-582.
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