Results 21 to 30 of about 354,663 (307)
Fault identification of high voltage circuit breaker trip mechanism based on PSR and SVM
IET Generation, Transmission & Distribution, 2023 The trip mechanism is a weakness in circuit breakers. Traditional fault identification based on the coil current is difficult to report early mechanical defects such as coil‐plunger jam.
Jiangjun Ruan +5 more
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Proof-of-principle demonstration of vertical gravity gradient measurement using a single proof mass double-loop atom interferometer [PDF]
, 2018 We demonstrate a proof-of-principle of direct Earth gravity gradient measurement with an atom interferometer-based gravity gradiomter using a single proof mass of cold 87 rubidium atoms.
Bidel, Yannick +5 more
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On a Stochastic Regularization Technique for Ill-Conditioned Linear Systems
Open Engineering, 2019 Knowledge about the input–output relations of a system can be very important in many practical situations in engineering. Linear systems theory comes from applied mathematics as an efficient and simple modeling technique for input–output systems ...
Moura Henrique Gomes +3 more
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Online Analysis of Nonlinear Vibration Characteristics of Milling Chatter
Journal of Harbin University of Science and Technology, 2018 In order to analyze the nonlinear dynamic behavior of the milling chatter，firstly to analyze the varying depths of cut during milling stationary vibration signal the vibration signal and bred flutter vibration signal nonlinear characteristics based on ...
WU Shi +4 more
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Vibration signal acquisition and computer simulation detection of mechanical equipment failure
Nonlinear Engineering, 2022 The author in order to solve the problem of optimizing the accuracy of mechanical equipment failure detection proposes a vibration signal collection and computer simulation detection for mechanical equipment failure. Using wavelet domain Wiener filtering-
Wang Yonggang +3 more
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Research Status and Prospect of Torsional Vibration Detection Methods for Rotating Machinery
Journal of Harbin University of Science and Technology, 2021 Torsional vibration of rotating machinery is one of the main factors affecting the reliability and service life of rotaing machinery. In recent years, the number of large units accidents caused by torsional vibration is increasing.
GUO Yan-ling, QIU Feng, LI Zhi-peng
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Advances in Mechanical Engineering, 2021 The vibration and sound signals get widely applications in fault diagnosis of rolling bearing systems, but the detection accuracy is unstable at different measuring positions.
Guanchen Wu +4 more
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Detection of Vibration Signal by Plane Scanning Utilizing Wavefront Sensors
PhotonicsLaser remote sensing of seismic waves is extensively utilized in earthquake monitoring and resource exploitation. This article leverages wavefront sensors’ high resolution and array detection capabilities to effectively conduct planar scanning of target ...
Yun Pan +5 more
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Jixie chuandong, 2021 The vibration-based methods have been widely used in the tooth root crack fault diagnosis of planetary gearbox. Compared with traditional transverse vibration signal，torsional vibration signal is not affected by the modulation of time-varying ...
Wei Wei, Yunpeng Li, Yanshuai Yang
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Vibration Isolation and Alignment of Multiple Platforms on a Non-Rigid Supporting Structure
Actuators, 2020 In many applications comprised of multiple platforms with stringent vibration isolation requirements, several vibration isolators are employed to work in tandem. They usually must accomplish two objectives: (i) reduce the vibration level of each platform;
Jorge Pérez-Aracil +3 more
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