Showing 1,501 - 1,520 results of 1,626 for search 'frequency machine methods', query time: 0.12s Refine Results
  1. 1501

    Topology Optimization Design of Transmission Case Housing Used in Electric Vehicle by Zhang Qing, Li Hongbiao, Zhou Qia, Yan Huidong, Guo Wentian, Yang Xianxue

    Published 2017-01-01
    “…In the optimization,the minimum weighted compliance is set as the optimization objective and volume fraction,displacement,stress,modal frequency and machining technology as constrains. Based on the topology optimization result,the optimization design of transmission case housing is carried out with considering the requirements of assembly,lubrication and cooling. …”
    Get full text
    Article
  2. 1502

    Study on Fatigue Allowance Formulation Based on Physiological Measurements by Li Qu, Juntong Zhang, Di Wang, Lin Zhang, Zhunan Wu

    Published 2024-11-01
    “…The study conducted fatigue measurement experiments based on physiological measurement methods, including exercise fatigue tests at different frequencies and work fatigue tests over varying durations. …”
    Get full text
    Article
  3. 1503

    Exploring Spatio-Temporal Dynamics of Future Extreme Precipitation, Runoff, and Flood Risk in the Hanjiang River Basin, China by Dong Wang, Weiwei Shao, Jiahong Liu, Hui Su, Ga Zhang, Xiaoran Fu

    Published 2024-10-01
    “…In this framework, a GCMs statistical downscaling method based on machine learning is used to project future precipitation, the PLUS model is used to project future land use, the digitwining watershed model (DWM) is used to project future runoff, and the entropy weight method is used to calculate risk. …”
    Get full text
    Article
  4. 1504

    Self-synchronization and Automatic Balancing in Rotor Dynamics by Lutz Sperling, Falk Merten, Henner Duckstein

    Published 2000-01-01
    “…Synchronous elimination as one of the possible methods of cancelling any harmful vibration resulting from the unbalance of rotary machines is considered. …”
    Get full text
    Article
  5. 1505

    Improving EEG based brain computer interface emotion detection with EKO ALSTM model by R. Kishore Kanna, Preety Shoran, Meenakshi Yadav, Mohammad Nadeem Ahmed, Shrikant Burje, Garima Shukla, Anurag Sinha, Mohammad Rashid Hussain, Saifullah Khalid

    Published 2025-07-01
    “…The data was pre-processed using a bandpass filter to remove unwanted frequency noise for the obtained data. Then, feature extraction is performed using DWT from pre-processed data. …”
    Get full text
    Article
  6. 1506

    A Trust Based Anomaly Detection Scheme Using a Hybrid Deep Learning Model for IoT Routing Attacks Mitigation by Khatereh Ahmadi, Reza Javidan

    Published 2024-01-01
    “…Several security solutions have been proposed to address routing attacks detection in RPL–based IoT, most of which are based on machine learning techniques, intrusion detection systems and trust-based approaches. …”
    Get full text
    Article
  7. 1507

    PREVALENCE OF BLOOD CIRCULATION DISEASES AMONG WORKERS EXPOSED TO OCCUPATIONAL NOISE IN MINERAL EXTRACTION AND THEIR WORK-RELATEDNESS by E. R. Shaykhlislamova, A. D. Volgareva, M. P. Obukhova, G. G. Gimranova, L. K. Karimova, E. T. Valeeva

    Published 2019-02-01
    “…Thus, the elevated prevalence and an increase in arterial hypertension frequency due to work experience do not exclude potential impact of hazardous working conditions on its formation. …”
    Get full text
    Article
  8. 1508

    Evaluation of smartphone-based cough data in amyotrophic lateral sclerosis as a potential predictor of functional disability. by Pedro S Rocha, Nuno Bento, Duarte Folgado, André V Carreiro, Miguel Oliveira Santos, Mamede de Carvalho, Bruno Miranda

    Published 2024-01-01
    “…Our goal was to explore the association between cough sound characteristics and the respiratory and bulbar functions in ALS.<h4>Methods</h4>This was a single-center, cross-sectional, and case-control study. …”
    Get full text
    Article
  9. 1509

    Fault Diagnosis under Variable Working Conditions Based on STFT and Transfer Deep Residual Network by Yan Du, Aiming Wang, Shuai Wang, Baomei He, Guoying Meng

    Published 2020-01-01
    “…Fault diagnosis plays a very important role in ensuring the safe and reliable operations of machines. Currently, the deep learning-based fault diagnosis is attracting increasing attention. …”
    Get full text
    Article
  10. 1510

    Survey of the DASH7 Alliance Protocol for 433 MHz Wireless Sensor Communication by Maarten Weyn, Glenn Ergeerts, Luc Wante, Charles Vercauteren, Peter Hellinckx

    Published 2013-12-01
    “…433 MHz is getting more attention for Machine-to-Machine communication. This paper presents the DASH7 Alliance Protocol, an active RFID alliance standard for 433 MHz wireless sensor communication based on the ISO/IEC 18000-7. …”
    Get full text
    Article
  11. 1511

    Epilepsy is associated with the accelerated aging of brain activity in sleep by Peter N. Hadar, Mike Westmeijer, Mike Westmeijer, Haoqi Sun, Erik-Jan Meulenbrugge, Jin Jing, Luis Paixao, Ryan A. Tesh, Madalena Da Silva Cardoso, Pierrick Arnal, Rhoda Au, Chol Shin, Chol Shin, Soriul Kim, Robert J. Thomas, Sydney S. Cash, M. Brandon Westover

    Published 2024-11-01
    “…We measured the sleep-based brain age index (BAI) in a diverse group of patients with epilepsy. The BAI is a machine learning-based biomarker that measures how much the brain activity of a person during overnight sleep deviates from chronological age-based norms.MethodsThis case–control study drew information of age-matched controls without epilepsy from home sleep monitoring volunteers and from non-epilepsy patients with Sleep Lab testing. …”
    Get full text
    Article
  12. 1512

    Development and Validation of a Dynamic Real-Time Risk Prediction Model for Intensive Care Units Patients Based on Longitudinal Irregular Data: Multicenter Retrospective Study by Zhuo Zheng, Jiawei Luo, Yingchao Zhu, Lei Du, Lan Lan, Xiaobo Zhou, Xiaoyan Yang, Shixin Huang

    Published 2025-04-01
    “…With the increasing availability of high-frequency electronic medical record (EMR) data, machine learning (ML) approaches have emerged as powerful tools to model complex temporal patterns and support dynamic clinical decision-making. …”
    Get full text
    Article
  13. 1513

    The main approaches to the formation of competence in the field of diagnostics of circuits based on FPGA by Yuriy V. Shapovalov, Boris N. Chugaev

    Published 2018-01-01
    “…At the same time such STD parameters as the required accuracy of the results of technical diagnosis, allowable frequency and duration of diagnosis, a valid memory for storing diagnostic information for the STD for different purposes can vary within a wide range.Thus, the use of methods for test sets’ construction allows to obtain the algorithm of generation of all the necessary information for conducting diagnostic tests using the analytical form of the output function. …”
    Get full text
    Article
  14. 1514

    Design of an Angled Single-Excitation Elliptical Vibration System by Qiang Liu, Xiping He, Weiguo Wang, Yanning Yang

    Published 2025-07-01
    “…The finite element method was employed to investigate the impact of varying angles on the resonant frequency, elliptical trajectory, phase difference, and output amplitude of the vibration systems. …”
    Get full text
    Article
  15. 1515

    Simulations and Experiments on Vibration Control of Aerospace Thin-Walled Parts via Preload by Qiong Wu, Lei Li, Yi-Du Zhang

    Published 2017-01-01
    “…Thin-walled parts primarily comprise the entire piece of rough machining, and the material removal rate can surpass 95%. …”
    Get full text
    Article
  16. 1516

    Research on the Stability Prediction and Optimization of CNC Milling Based on Bagging–NSGAⅡ Under the Influence of Multiple Factors by Congying DENG, Qian YOU, Yang ZHAO, Lijun LIN, Guofu YIN

    Published 2024-07-01
    “…First, an orthogonal experimental design is used to divide the working space of the machine tool into different machining positions. Under each position, impact testing is then carried out at the tool tip for different tool-overhang lengths to obtain the corresponding frequency response functions (FRFs). …”
    Get full text
    Article
  17. 1517

    A human visual cognitive mechanism based network for surface defect detection(基于人类视觉认知机制的表面缺陷检测) by 崔丽莎(CUI Lisha), 代润鹏(DAI Runpeng), 姜晓恒(JIANG Xiaoheng), 李飞蝶(LI Feidie), 陈恩庆(CHEN Enqing), 徐明亮(XU Mingliang)

    Published 2025-01-01
    “…Specifically, at the macro level, by simulating the working principles of the foveal and parafoveal areas on the retina, a parallel backbone network consisting of a foveal vision branch and a peripheral vision branch is proposed, learning high spatial frequency local details and low spatial frequency global semantics from defective images. …”
    Get full text
    Article
  18. 1518

    Topology Optimization Design of Transfer Case Housing by Zhang Qing, Zhang Bin, Li Hongbiao, Huo Chunjing, Yang Xianxue

    Published 2016-01-01
    “…The topology optimization design of the complicated transfer case housing is conducted by using the variable density method. Taking the minimum compliance as the optimization objective and the volume fraction,static displacement,static stress,modal frequency and machining process as constrains condition,the topology optimization analysis of external shape and internal rib plate are carried out. …”
    Get full text
    Article
  19. 1519

    Diffusive transport along a structured surface: ratchet effect stability when changing the potential profile type by T. Ye. Korochkova, O. V. Mashira, T. Yu. Gromovoy, A. D. Terets

    Published 2025-03-01
    “…It is shown that at sufficiently high temperatures for any asymmetry of potentials, approximation by the simple method gives better results, and at high frequencies – the LSM method. …”
    Get full text
    Article
  20. 1520