Search alternatives:
method » methods (Expand Search)
Showing 1,201 - 1,220 results of 1,626 for search 'frequency machine method', query time: 0.12s Refine Results
  1. 1201

    Analytical Inertia Identification of Doubly Fed Wind Farm with Limited Control Information Based on Symbolic Regression by Mengxuan Shi, Yang Li, Xingyu Shi, Dejun Shao, Mujie Zhang, Duange Guo, Yijia Cao

    Published 2025-08-01
    “…Finally, the effectiveness of the proposed method is validated in an IEEE three-machine nine-bus system containing a doubly fed wind power cluster. …”
    Get full text
    Article
  2. 1202
  3. 1203

    DC Voltage Compensation and Anti-overlimit Control Strategy for Hybrid Energy Storage System of Virtual Synchronous Generator by LÜ Shixuan, WANG Wei, YANG Dongdong, LIU Zongwei, ZHENG Lijun

    Published 2025-08-01
    “…[Methods] The anti-overlimit control strategy utilizes the asymptotic nature of a hyperbolic tangent function to limit the maximum deviation of the DC voltage,and a linear correction coefficient is designed to ensure coupling linearity between the DC voltage and grid frequency. …”
    Get full text
    Article
  4. 1204

    Design and Performance Analysis of Compliant Actuator Mechanism with Variable Stiffness by Liu Rong, Zheng Zhizhen, Qin Huibin, Li Zhongyi, Bai Shaoping

    Published 2022-12-01
    “…Through configuration analysis and structure design, the stiffness and torque models of the compliant actuator mechanism are established to reveal its stiffness behavior. The Lagrangian method is used to establish the dynamic model of the compliant actuator mechanism, and the frequency theoretical results are obtained by solving the average stiffness. …”
    Get full text
    Article
  5. 1205

    An Efficient Quantized Message Passing Receiver Design for SCMA Systems by Hao Cheng, Min Zhang, Ruoyu Su

    Published 2025-05-01
    “…Simulation results show that the proposed quasi-uniform quantization method can significantly improve the BER performance of the SCMA decoder without modifying the resource nodes’ and variable nodes’ update rules in both the additive white Gaussian noise and the Rayleigh frequency selective channels, as compared to the uniform quantizer.…”
    Get full text
    Article
  6. 1206

    Application of Fractional Fourier Transform and BP Neural Network in Prediction of Tumor Benignity and Malignancy by Xuanyu Liu, Nan Gao, Shuoran He, Lizhen Wang

    Published 2025-04-01
    “…Experimental results show that the proposed model achieves an accuracy of 93.177% in classifying benign and malignant tumors, outperforming the support vector machine (SVM) method. The integration of FrFT improves feature distinguishability and reduces dependence on manual extraction. …”
    Get full text
    Article
  7. 1207

    Emerging Technologies of Natural Language-Enabled Chatbots: A Review and Trend Forecast Using Intelligent Ontology Extraction and Patent Analytics by Min-Hua Chao, Amy J. C. Trappey, Chun-Ting Wu

    Published 2021-01-01
    “…Some intelligent text-mining techniques are applied, including document term frequency analysis for key terminology extractions, clustering method for identifying the subdomains, and Latent Dirichlet Allocation for finding the key topics of patent set. …”
    Get full text
    Article
  8. 1208

    Neural network eddy current non-destructive evaluation of conductive coatings thickness by ISLAM NACER EDDINE EL GHOUL, A.E. Lakhdari, S. Bensaid, S. Bensaid, A. Aissaoui, A.T. Ouamane

    Published 2024-12-01
    “…Two thousand and five hundred datasets with the eddy current method of different aluminum plate thicknesses above a steel plate and working frequencies of EC-sensor were generated using experimentally validated analytical models in our previous research. …”
    Get full text
    Article
  9. 1209

    Road Event Detection and Classification Algorithm Using Vibration and Acceleration Data by Abiel Aguilar-González, Alejandro Medina Santiago

    Published 2025-02-01
    “…Traditional approaches often require complex feature engineering or the use of machine learning models, which can be computationally intensive, especially when dealing with real-time data from high-frequency vibration and acceleration sensors. …”
    Get full text
    Article
  10. 1210

    LightGBM-Based Human Action Recognition Using Sensors by Yinuo Liu, Ziwei Chen

    Published 2025-06-01
    “…First, a feature extraction method for sensor data from both the time domain and frequency domain is designed to obtain more than 300 features, aiming to enhance the accuracy and stability of recognition. …”
    Get full text
    Article
  11. 1211

    Music genre classification with parallel convolutional neural networks and capuchin search algorithm by Yuxin Zhang, Teng Li

    Published 2025-03-01
    “…The method makes use of discrete wavelet transform (DWT), mel frequency cepstral coefficients (MFCC), and short-time fourier transform (STFT) characteristics to provide a comprehensive framework for expressing stylistic qualities in music. …”
    Get full text
    Article
  12. 1212

    Discriminative learning of receptive fields from responses to non-Gaussian stimulus ensembles. by Arne F Meyer, Jan-Philipp Diepenbrock, Max F K Happel, Frank W Ohl, Jörn Anemüller

    Published 2014-01-01
    “…Applied to small data samples, the method is shown to converge on smaller amounts of experimental recordings and with lower estimation variance than the generalized linear model and recent information theoretic methods. …”
    Get full text
    Article
  13. 1213

    Rolling Bearing Fault Diagnosis Based on Optimized VMD and SSAE by Baoxian Chang, Xing Zhao, Dawei Guo, Siyu Zhao, Jiyou Fei

    Published 2024-01-01
    “…To further enhance the accuracy of identifying rolling bearing faults, a fault diagnosis method is proposed. This method is based on the improved Dung Beetle Optimization (DBO) algorithm for optimizing Variational Mode Decomposition (VMD) combined with Stacked Sparse Autoencoder (SSAE). …”
    Get full text
    Article
  14. 1214

    Multiple Feature Vectors Based Fault Classification for WSN Integrated Bearing of Rolling Mill by Bo Qin, Luyang Zhang, Heng Yin, Yan Qin

    Published 2018-01-01
    “…For rolling mill machines, the operation status of bearing has a close relationship with process safety and production effectiveness. …”
    Get full text
    Article
  15. 1215

    Identification of Major Bleeding Events in Postoperative Patients With Malignant Tumors in Chinese Electronic Medical Records: Algorithm Development and Validation by Hui Li, Haiyang Yao, Yuxiang Gao, Hang Luo, Changbin Cai, Zhou Zhou, Muhan Yuan, Wei Jiang

    Published 2025-05-01
    “…Given the higher sensitivity of the LR method (89.47%) and the higher specificity of the CNN method (89.24%) in the test set, both models hold promise for practical application, depending on specific clinical priorities.…”
    Get full text
    Article
  16. 1216

    Artificial intelligence for severity triage based on conversations in an emergency department in Korea by Jae Won Seo, Sung-Joon Park, Young Jae Kim, Jung-Youn Kim, Kwang Gi Kim, Young-Hoon Yoon

    Published 2025-05-01
    “…Based on the area under the receiver operating characteristic curve (AUROC) values, the support vector machine achieved the best performance among the term frequency-inverse document frequency-based conventional machine learning models with an AUROC of 0.764 (95% CI 0.019). …”
    Get full text
    Article
  17. 1217

    Analysis and correcting pronunciation disorders based on artificial intelligence approach by Nataliia Melnykova, Bohdan Pavlyk, Oleh Basystiuk, Stepan Skopivskyi

    Published 2025-06-01
    “…The analysis of machine learning methods led to the selection of two experimental models: a Convolutional Neural Network (CNN) utilizing mel-spectrograms for image-based sound representation and a Long Short-Term Memory (LSTM) network combined with mel-frequency cepstral coefficients, aiming to explore the effectiveness of sequential data processing in the context of pronunciation disorder classification in post-traumatic military patients. …”
    Get full text
    Article
  18. 1218

    CORPUS-BASED ANALYSIS OF TRANSITION WORDS by Satyawati Surya, M.Pd.

    Published 2023-11-01
    “…For this purpose, the researcher would like to find information about the frequency used among the transition words only. The researcher uses a sketch machine of BROWN Corpus to find the data. …”
    Get full text
    Article
  19. 1219

    Research of clover-grater-and-scarificator KS-0.2 with oval type deck at seeds scarification by A. I. Burkov, M. V. Simonov, V. Ju. Mokiev

    Published 2017-12-01
    “…Determined the range of values of the studied parameters under which the observed agro technical requirements for the machine were met. As a result of research defined values are revealed of the constructive and technological parameters of the machine for extraction and scarification grass seed КБ-0.2 with the use of a oval type deck, providing the required quality parameters (degree of scarification of seeds higher than 95% and crushing of seeds less than 1.5%): frequency of rotation of the drum 850...950 min-1; productivity 0.2...0.3 t/h; clearances at the entrance - 6.0 mm, at the outlet - 3.0 mm.…”
    Get full text
    Article
  20. 1220

    Recognition and classification techniques of marine mammal calls based on LSTM and expanded causal convolution by Wanlu Cheng, Wanlu Cheng, Hao Chen, Jiaming Jiang, Jiaming Jiang, Shuang Li, Shuang Li, Jingjing Wang, Jingjing Wang, Yanping Zhou

    Published 2025-05-01
    “…However, traditional machine learning methods struggle to capture complex acoustic patterns, while most existing deep learning approaches rely solely on frequency-domain features and require large datasets, which limits their performance on small-scale marine mammal datasets. …”
    Get full text
    Article