Results 11 to 20 of about 8,733 (308)
Dynamic Characteristics Analysis of a Seismic Vibrator-Ground Coupling System [PDF]
Shock and Vibration, 2017 A mathematical model to describe the seismic vibrator and ground coupling is proposed based on dynamic analyses of the vibrator baseplate structure and properties of soil. This mathematical model is solved using Newmark’s method.
Liu Jun +5 more
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Disturbance study of seismic vibrator reaction mass and piston. [PDF]
PLoS ONE, 2019 The seismic vibrator has become a main energy source for land seismic exploration. For a seismic vibrator, a piston is installed in the vertical direction in the reaction mass, and the reaction mass moves up and down along the piston. Because of vibrator
Zhen Chen +5 more
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DESIGN AND EXPERIMENTAL ANALYSIS OF A NONLINEAR ULTRAHARMONIC VIBRATOR EXCITER [PDF]
Jixie qiangdu, 2022 Aiming at the problem that the vibration frequency of conventional vibration exciter is small and can not realize the resonance of high stiffness components, Based on the superharmonic vibration characteristics of nonlinear vibration system, designed a ...
WANG ChengJun +2 more
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The Application of Micro-Vibratory Phenomena of a Shape-Memory Alloy Wire to a Novel Vibrator
Vibration, 2023 The widespread use of smartphones and smart wearable devices has created a great demand for vibrators with complex vibration patterns driven by simple circuits.
Takashi Chujo, Hideyuki Sawada
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Minimally invasive search for a missing vibrator [PDF]
Obstetrics & Gynecology Science, 2020 Objective To report a unique surgical procedure that was utilized to locate a missing vibrator in the pelvis of a patient. Emergency room admissions and surgery secondary to the malfunctioning of devices intended for sexual stimulation are extremely ...
Greg J. Marchand +14 more
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Actuators, 2023 To complete microinjection as quickly as possible, we have developed Vibratory Microinjection Systems (VMSs) that vibrate a micropipette in its longitudinal direction and can significantly reduce the time needed for pronuclear microinjection compared to ...
Fujio Miyawaki, Jun Hasegawa
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DYNAMIC BRAKING OF THE INERTIAL VIBRATOR OF VIBRATORY PLATES FOR CONCRETE MIXES COMPACTING
Вестник СибАДИ, 2019 Introduction. The production of precast concrete compaction of concrete mixtures is most often carried out on vibration platforms with the use of additional cantledge.
D. V. Furmanov +3 more
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Reduce the Waveform Distortion Using High-Order Harmonical Driving Current for a Vibrator
IEEE Access, 2021 A method to reduce waveform distortion is proposed and experimentally verified for vibrators driven by voice coil motors. In this method, a current including high-order harmonics is synthesized to drive the vibrator. The amplitudes and phases of the high-
Yuntao Qiu +5 more
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Setting the radiation frequency of a submersible hydraulic borehole vibrator
Известия высших учебных заведений: Нефть и газ, 2023 The article describes a system for setting and stabilizing the radiation frequency of submersible downhole vibrators. It is assumed that submersible downhole vibrators are used for vibration wave impact on the bottomhole formation zone in wells with a ...
Yu. A. Buryan +2 more
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Practical Design of a Speaker Box With a Passive Vibrator (February 2018)
IEEE Access, 2018 With the rapid development of multimedia devices, such as smart phones and tablet PCs, and wearable devices such as neckband speakers are being used increasingly as audio equipment.
Hyung-Kyu Kim +4 more
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