基于Wavelet leader和优化的等距映射算法的回转支承自适应特征提取

赵祥龙,陈捷,洪荣晶,王华,李媛媛

Adaptive feature extraction method for slewing bearing based on Wavelet leader and optimized isometric mapping method

Xiang-long ZHAO,Jie CHEN,Rong-jing HONG,Hua WANG,Yuan-yuan LI

表 2 特殊点分布区间统计结果

Tab.2 Statistical results of special point distribution intervals

状态 初始点范围 最高点范围 终止点范围 正常状态 0.05~0.15 0.22~0.29 0.32~0.40 螺栓破坏 0.04~0.07 0.07~0.10 0.12~0.20 外圈破坏 0.35~0.54 0.57~0.65 0.72~0.88