Results 31 to 40 of about 5,327,411 (195)
IEEE Access, 2020 The use of intensity-based phase-sensitive optical time-domain reflectometry (φ-OTDR) system to measure low-frequency vibration is the aim of this paper.
Romain Zinsou +5 more
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Pneumatic-Piezoelectric Hybrid Vibration Suppression For a Flexible Translating Beam Using Adaptive Fuzzy Sliding Mode Control Algorithm [PDF]
, 2017 A translating flexible beam system driven by a rodless cylinder using a proportional valve is proposed. Active vibration control of the flexible beam is developed by using a pneumatic cylinder and a surface-bonded piezoelectric actuator. The experimental
Bin Wang +7 more
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A comparative study on the two vibration driven locomotion systems in various friction levels
Vietnam Journal of Mechanics, 2021 This paper presented comparison results of two locomotion models: a pure-vibration driven and a vibro-impact driven system. In experiments, the friction force can be varied without changing the internal and the body masses.
Ngoc-Tuan La +2 more
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Periods of Vibration of Braced Frames with Outriggers
Procedia Engineering, 2012 AbstractThis paper presents simple equations for the natural lateral and rotational periods of vibration for high-rise steel structures comprising braced frames with outrigger trusses. The structural floor plan can be symmetric or asymmetric combinations of identical bents.
Nicoreac, M.P., Hoenderkamp, J.C.D.
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On the Period of a Rod Vibrating in a Liquid [PDF]
Physical Review (Series I), 1901 n ...
Northway, Mary I., Mackenzie, A. Stanley
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USING PERIODICITY TO MITIGATE GROUND VIBRATION [PDF]
Proceedings of the 5th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2015), 2015 Introduction of trenches, barriers and wave impeding blocks on the transmission path between a source and receiver can be used for mitigation of ground vibration. However, to be effective a barrier must have a depth of about one wavelength of the waves to be mitigated.
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Experimental assessment of damping factors in concrete housing walls
Ingeniería e Investigación, 2012 Thin walls having low concrete strength, minimum web steel ratios and web shear reinforcement made of welded wire meshes are commonly used in low-rise concrete housing.
Julián Carrillo +2 more
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Measurement and Analysis of Downhole Drill String Vibration Signal
Applied Sciences, 2021 Downhole drill string vibration data can provide an effective reference for research drill string vibration during drilling. In this paper, the research group used a storage-type downhole vibration measurement equipment equipped with an orthogonal, three-
Yafeng Li +4 more
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Estimation of period of vibration for concrete shear wall buildings
HBRC Journal, 2017 Most seismic design codes generally provide formulas to be used for the estimation of the base shear and lateral loads. For the determination of the lateral loads, it is required to estimate first the fundamental vibration period of the building ...
Mohamed Naguib Abo El-saad +1 more
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Applied Sciences, 2020 As one of the long period gear errors, the effects of random cumulative pitch deviations on mesh excitations and vibration responses of a helical geared rotor system (HGRS) are investigated.
Bing Yuan, Geng Liu, Lan Liu
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