Results 21 to 30 of about 2,756,303 (208)
Mathematics, 2022 The online frequency estimation of forced harmonic vibrations on a building-like structure, using a nonlinear flexible vibration absorber in a cantilever beam configuration, is addressed in this article.
Francisco Beltran-Carbajal +5 more
doaj +1 more source
Novel Flexible Excitation System Based on MultilevelTopology Technology
Zhongguo dianli, 2019 Based on the development trend of the next generation power system, a novel flexible excitation system is designed based on three-level voltage source converter, and a matching five-level DC chopping circuit is proposed.
Kuayu WU +6 more
doaj +1 more source
Flexible water excitation for fat‐free MRI at 3T using lipid insensitive binomial off‐resonant RF excitation (LIBRE) pulses [PDF]
Magnetic Resonance in Medicine, 2018 To develop a robust and flexible low power water excitation pulse that enables effective fat suppression at high magnetic field strength.
J. Bastiaansen, M. Stuber
semanticscholar +1 more source
Vibration and Stress Response of High-Speed Train Gearboxes under Different Excitations
Applied Sciences, 2022 The vibration data of the gearbox on a high-speed train was measured, and the vibration characteristics were analyzed in this paper. The dynamic stress of the gearbox under the internal and external excitation was examined by a railway vehicle dynamic ...
Wangang Zhu, Wei Sun, Hao Wu
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Analytical study on dynamic response of cantilever flexible retaining wall [PDF]
Archives of Civil Engineering, 2023 Based on wave mechanics theory, the dynamic response characteristics of cantilever flexible wall in two-dimensional site are analyzed. The partial derivative of the vibration equation of soil layer is obtained, and the general solution of the volume ...
Xiuzhu Yang +3 more
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Vibration Behaviour Analysis and Vibration Suppression Studies of the Space Robot
International Journal of Aerospace Engineering, 2022 Aiming at the problem that the vibration of space robot will reduce the dynamic accuracy of robot, a method of vibration suppression of space robot through trajectory planning is proposed.
Tian Yong +3 more
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A Flexible Arrayed Eddy Current Sensor for Inspection of Hollow Axle Inner Surfaces
Sensors, 2016 A reliable and accurate inspection of the hollow axle inner surface is important for the safe operation of high-speed trains. In order to improve the reliability of the inspection, a flexible arrayed eddy current sensor for non-destructive testing of the
Zhenguo Sun +4 more
doaj +1 more source
Micromachines, 2022 This paper presents an extensive experimental investigation to identify the influence of signal parameters on a piezoelectric harvester’s performance. A macro-fibre composite energy harvester was studied as an advanced, flexible, high-performance energy ...
Majid Khazaee
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Mechanical systems and signal processing, 2019 In this paper, aim at improving the performance of bi-stable energy harvester (BEH), we proposed a flexible bi-stable energy harvester (FBEH). The FBEH is composed of two elastic beams: one is the piezoelectric cantilever beam with a tip magnet and the ...
Zhiyong Zhou +4 more
semanticscholar +1 more source
Some Comments on the Nonlinear Dynamics of a Portal Frame under Base Excitation
Shock and Vibration, 2013 This paper presents a nonlinear dynamic analysis of a flexible portal frame subjected to support excitation, which is provided by an electro-dynamical shaker.
Aline Souza de Paula +2 more
doaj +1 more source