QQ客服 官方微博 反馈留言

浏览/检索结果: 共3条，第1-3条 帮助 限定条件 发表日期：2019     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Weak Fault Feature Extraction Method for Rolling Bearings Based on SVD-EEMD and TEO Energy Spectrum 期刊论文 Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2019, 卷号: 39, 期号: 4, 页码: 720-726 作者:  Zhang, Chen;  Zhao, Rongzhen;  Deng, Linfeng;  Wu, Yaochun 收藏  |  浏览/下载：10/0  |  提交时间：2020/11/14 Extraction  Feature extraction  Fourier series  Mean square error  Phase space methods  Signal processing  Singular value decomposition  Spectroscopy  Energy spectra  Ensemble empirical mode decompositions (EEMD)  Intrinsic Mode functions  Mean square error criterions  Phase space reconstruction  Sensitive features  Teager energy operators  Weak fault feature extraction   Rolling Bearing Fault Diagnosis Method Based on EEMD Singular Value Entropy 期刊论文 Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2019, 卷号: 39, 期号: 2, 页码: 353-358 作者:  Zhang, Chen;  Zhao, Rongzhen;  Deng, Linfeng 收藏  |  浏览/下载：7/0  |  提交时间：2020/11/14 Failure analysis  Fault detection  Mean square error  Signal processing  Singular value decomposition  Ensemble empirical mode decompositions (EEMD)  Euclidean distance  Evaluation index  Fault identifications  Information entropy method  Intrinsic Mode functions  Rolling bearings  Singular values   Short-term wind speed forecasting using STLSSVM hybrid model 会议论文 2018 International Conference on Power System Technology, POWERCON 2018 - Proceedings, 2018-11-06 作者:  Yuan, D.;  Qian, Z.;  Jing, B.;  Pei, Y. 收藏  |  浏览/下载：7/0  |  提交时间：2019/12/30 Backpropagation  Forecasting  Least squares approximations  Particle swarm optimization (PSO)  Speed  Support vector machines  Wind power  Auto-regressive integrated moving average  EEMD  Ensemble empirical mode decompositions (EEMD)  Hybrid methodologies  Least squares support vector machines  Short-term wind speed forecasting  State transitions  Wind speed forecasting  Wind