Showing 81 - 100 results of 1,626 for search 'frequency machine methods', query time: 0.13s Refine Results
  1. 81

    Dynamic Performance Analysis of High-Frequency Signal Injection Based Sensorless Methods for Interior Permanent Magnet Synchronous Motors by Ahmadreza Alaei, Dong Hee Lee, Jin woo Ahn, Sayed Morteza Saghaeian Nejad

    Published 2019-06-01
    “…Some efforts have been performed to compare such high frequency signal injection based methods from viewpoint of some parameters such as injection frequency, voltage magnitude and so on. …”
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    Article
  2. 82

    Time-domain virtual tapping machine method for numerical evaluation of transient acoustic performance in cruise cabins by Yingying Zuo, Deqing Yang, Jian Xiao

    Published 2025-09-01
    “…In this paper, a general time-domain virtual tapping machine method for numerical evaluation of transient acoustic performance in cruise cabins is proposed. …”
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    Article
  3. 83
  4. 84

    Evaluating Factors Affecting Flood Susceptibility in the Yangtze River Delta Using Machine Learning Methods by Kaili Zhu, Zhaoli Wang, Chengguang Lai, Shanshan Li, Zhaoyang Zeng, Xiaohong Chen

    Published 2024-10-01
    “…This research developed an index system comprising 10 indicators associated with factors and environments that lead to disasters, and used machine learning methods to assess flood susceptibility. …”
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    Article
  5. 85
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    High frequency resonance mitigation of microgrid-connected PV units using novel adaptive control based on virtual impedance and machine learning algorithm by Mohammad Hossein Nemati, Mohammad Hossein Shaabani, Navid Dehghan, Gevork B. Gharehpetian

    Published 2025-09-01
    “…This study proposes a novel adaptive control framework that combines virtual impedance (VI) methods with a machine learning-based tuning strategy using K-Nearest Neighbors (KNN) algorithm. …”
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    Article
  7. 87

    Fault Diagnosis of a Hydraulic Pump Based on the CEEMD-STFT Time-Frequency Entropy Method and Multiclass SVM Classifier by Wanlin Zhao, Zili Wang, Jian Ma, Lianfeng Li

    Published 2016-01-01
    “…Second, the time-frequency analysis methods, which include the Short-Time Fourier Transform (STFT) and time-frequency entropy calculation, are applied to realize the robust feature extraction. …”
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    Article
  8. 88

    MODAL ANALYSIS OF CARRIER SYSTEM FOR HEAVY HORIZONTAL MULTIFUNCTION MACHINING CENTER BY FINITE ELEMENT METHOD by Yu. V. Vasilevich, S. S. Dovnar, I. I. Shumsky

    Published 2014-08-01
    “…Modal FEM-analysis has revealed eight resonance modes that embrace the whole machine tool. They form a frequency interval from 12 to 75 Hz which is undesirable for machining. …”
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    Article
  9. 89

    Shock Signal Trend Term Error Correction Method Based on Discrete Wavelet Transform and Low-Frequency Oscillator Combination by Peng Wang, Ming Yan, Lei Zhang, Ning Yang

    Published 2021-01-01
    “…A discrete wavelet transform (DWT) and low-frequency oscillator combination method is proposed for correcting shock signals in this paper. …”
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    Article
  10. 90

    Time–Frequency-Domain Fusion Cross-Attention Fault Diagnosis Method Based on Dynamic Modeling of Bearing Rotor System by Shiyu Xing, Zinan Wang, Rui Zhao, Xirui Guo, Aoxiang Liu, Wenfeng Liang

    Published 2025-07-01
    “…Deep learning (DL) and machine learning (ML) have advanced rapidly. This has driven significant progress in intelligent fault diagnosis (IFD) of bearings. …”
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    Article
  11. 91

    Identification of Elephant Rumbles in Seismic Infrasonic Signals Using Spectrogram-Based Machine Learning by Janitha Vidunath, Chamath Shamal, Ravindu Hiroshan, Udani Gamlath, Chamira U. S. Edussooriya, Sudath R. Munasinghe

    Published 2024-11-01
    “…It is experimentally found that the combination of the Mel-frequency cepstral coefficient (MFCC) feature extraction method and the ridge classifier machine learning algorithm give the highest accuracy of 97% in detecting infrasonic elephant rumbles hidden in seismic signals. …”
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    Article
  12. 92
  13. 93

    Fault Diagnosis Method of Bearing based on LCD Cross Approximate Entropy and Relevance Vector Machine by Tan Jingjing, Gao Feng, Zhang Qiantu

    Published 2017-01-01
    “…Aiming at the fault diagnosis problem of rolling bearing,a fault diagnosis method of rolling bearing based on local characteristic-scale decomposition(LCD) cross approximate entropy(CAE) and relevance vector machine(RVM) is proposed. …”
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  14. 94

    Intelligent Diagnosis Method for Centrifugal Pump System Using Vibration Signal and Support Vector Machine by Hongtao Xue, Zhongxing Li, Huaqing Wang, Peng Chen

    Published 2014-01-01
    “…This paper proposed an intelligent diagnosis method for a centrifugal pump system using statistic filter, support vector machine (SVM), possibility theory, and Dempster-Shafer theory (DST) on the basis of the vibration signals, to diagnose frequent faults in the centrifugal pump at an early stage, such as cavitation, impeller unbalance, and shaft misalignment. …”
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  16. 96

    Channel-Wise Characterization of High Frequency Oscillations for Automated Identification of the Seizure Onset Zone by Dakun Lai, Xinyue Zhang, Wenjing Chen, Heng Zhang, Tongzhou Kang, Han Yuan, Lei Ding

    Published 2020-01-01
    “…High frequency oscillations (HFOs) in intracranial electroencephalography (iEEG) recordings are a promising clinical biomarker that can help define the epileptogenic regions in the brain. …”
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  17. 97

    Functional Connectivity Metrics in Temporal Lobe Epilepsy: A Machine Learning Perspective With MEG by M. V. Suhas, N. Mariyappa, A. Karunakar Kotegar, M. Ravindranadh Chowdary, K. Raghavendra, Ajay Asranna, L. G. Viswanathan, H. Anitha, Sanjib Sinha

    Published 2024-01-01
    “…Various machine learning models demonstrate high classification performance, with accuracies reaching up to 100% in particular frequency bands in agreement with the Chi2 feature importance analysis. …”
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  18. 98

    Diagnosis of Stator Inter-Turn Short Circuit Faults in Synchronous Machines Based on SFRA and MTST by Junsheng Ding, Zhongyong Zhao

    Published 2025-04-01
    “…Finally, the performance of the proposed method is tested and verified. It concludes that the proposed method has the potential for classifying and diagnosing the inter-turn short circuit of stators in synchronous machines.…”
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    Article
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