吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (2): 454-459.doi: 10.13229/j.cnki.jdxbgxb201502018
宋宝玉1,解志杰1,张锋1,王瑞泽1,郝明晖1,苏代忠2
SONG Bao-yu1,XIE Zhi-jie1,ZHANG Feng1,WANG Rui-ze1,HAO Ming-hui1,SU Dai-zhong2
摘要: 为了准确识别转速波动的斜齿轮早期故障特征,提出了基于光电编码器等角度采样的角度域同步平均降噪与阶次分析相结合的故障诊断方法。首先基于时域同步平均原理提出了角度域同步平均算法,采用光电编码器作为外触发器对时域信号进行等角度采样,然后将重采样信号在角度域内进行同步平均,消除与给定频率无关的周期信号和随机噪声的干扰,再利用阶次分析提取故障特征,最后通过斜齿轮点蚀故障诊断试验验证了该方法的有效性。
中图分类号:
[1] 张志刚, 周晓军, 宫燃, 等. 小波域局部Laplace 模型降噪算法及其在机械故障诊断中应用[J]. 机械工程学报, 2005, 45(9): 52-57. Zhang Zhi-gang, Zhou Xiao-jun, Gong Ran, et al. Denosing algorithm based on local laplace model in wavelet domain and its application in mechanical fault diagnosis[J]. Journal of Mechanical Engineering, 2005, 45(9): 52-57. [2] 孙海亮, 訾艳阳, 何正嘉. 多小波自适应分块阈值降噪及其在轧机齿轮故障诊断中的应用[J]. 振动工程学报, 2013, 26(1): 127-134. Sun Hai-liang, Zi Yan-yang, He Zheng-jia. Mulitiwavelet denoising with adaptive block thresholding and its application in gearbox diagnosis of rolling mills[J]. Journal of Vibration Engineering, 2013, 26(1): 127-134. [3] 杨定新, 胡茑庆, 杨银刚, 等. 随机共振技术在齿轮箱故障检测中的应用[J]. 振动工程学报, 2004, 17(2): 201-204. Yang Ding-xin, Hu Niao-qing, Yang Yin-gang, et al. Application of stochastic resonance in early fault detection for intermediate gearbox of helicopter[J]. Journal of Vibration Engineering, 2004, 17(2): 201-204. [4] Wang K S, Heyns P S. Application of computed order tracking, Vold-Kalman filtering and EMD in rotating machine vibration[J]. Mechanical Systems and Signal Processing, 2011, 25(1):416-430. [5] Braun S. The synchronous (time domain) average revisited[J]. Mechanical Systems and Signal Processing, 2011,25(4):1087-1102. [6] Combet F, Gelman L. An automated methodology for performing time synchronous averaging of a gearbox signal without speed sensor[J]. Mechanical Systems and Signal Processing, 2007, 21(6): 2590-2606. [7] 陈韶华, 相敬林. 一种改进的时域平均法检测微弱信号研究[J]. 探测与控制学报, 2003, 25(4): 56-59. Chen Shao-hua, Xiang Jing-lin. A modified time averaging method in weak signal detection[J]. Journal of Detection and Control, 2003, 25(4): 56-59. [8] Villa Luisa F, Renones Anibal, Peran Jose R, et al. Angular resampling for vibration analysis in wind turbines under non-linear speed fluctuation[J]. Mechanical Systems and Signal Processing, 2011, 25: 2157-2168. [9] 郭瑜, 秦树人, 梁玉前. 时频分析阶比跟踪技术[J]. 重庆大学学报:自然科学版, 2002, 25(5): 17-22. Guo Yu, Qin Shu-ren, Liang Yu-qian. Order tracking method based on time-frequency analysis[J]. Journal of Chongqing University (Natural Science Edition), 2002, 25(5): 17-22. [10] Fyfe K R, Munck E D S. Analysis of computed order tracking[J]. Mechanical Systems and Signal Processing, 1997, 11(2): 187-205. |
[1] | 吕尤, 韩志武, 董立春, 张俊秋, 马荣峰, 牛士超. 仿生表面形态对抗疲劳性能影响的对辊试验[J]. 吉林大学学报(工学版), 2010, 40(增刊): 274-0277. |
|