Results 1 to 10 of about 815,753 (200)

Attitude Stabilization of Rocket Elastic Vibration Based on Robust Observer

Aerospace, 2022
This paper proposes an approach to suppressing the elastic vibration and propellant sloshing in attitude control of a high slenderness ratio rocket. The main method is to combine a variable-gain robust observer with a variable structure controller for ...
Zhilei Ge, Yanling Li, Shaoxiong Ma
doaj   +1 more source

Flywheel Vibration Isolation of Satellite Structure by Applying Structural Plates with Elastic Boundary Instead of Restrained Boundary

Applied Sciences, 2023
Flywheels play a critical role as core components in satellite attitude control systems. However, their high-speed rotation inevitably generates vibrations that have a detrimental impact on the in-orbit imaging capabilities of high-precision remote ...
Xiangsen Kong, Hao Li, Xubin Zhou, Xiujuan Xiang, Xing Shen   +4 more
doaj   +1 more source

Active vibration suppression of a beam using piezoeffect [PDF]

E3S Web of Conferences, 2019
Operation of structures and equipment in dynamic conditions led to the problems of vibration isolation and vibration suppression. For vibration isolation and vibration suppression passive, active systems and their combinations are used. Passive vibration
Rogacheva Nelly
doaj   +1 more source

Theoretical modeling and experimental study of fluid-elastic isolator

Xibei Gongye Daxue Xuebao, 2022
The fluid-elastic vibration isolator, mounted on the final reduction channel of a helicopter, could reduce the vibration acting on the airframe effectively.
DENG Jinghui
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Reduction of flexural vibration of railway vehicle carbody by using elastic torus (Validation of vibration reduction effect using actual railway vehicle and numerical investigations on the vibration reduction mechanism)

Nihon Kikai Gakkai ronbunshu, 2017
A new vibration reduction device against flexural vibration of railway vehicle carbody utilizing deformation of a donut-shaped elastic body called elastic torus is presented in this paper.
Takahiro TOMIOKA, Satoshi TACHIKAWA, Yuki AKIYAMA, Ken-Ichiro AIDA   +3 more
doaj   +1 more source

Vibration coupling characteristics and grinding force control of an elastic component grinding system [PDF]

Mechanical Sciences
A system's dynamic behavior and vibration mechanism during interaction with a workpiece are the key factors for the stability control of the robotic grinding operation.
Y. Liu, L. Wu, E. Lu, J. Ju
doaj   +1 more source

A rotational multi-stable vibration energy harvesting system

Nihon Kikai Gakkai ronbunshu, 2022
In this study, we proposed a new rotational multi-stable vibration energy harvesting system to harvest vibration energy using elastic spring and piezoelectric element.
Wei ZHAO, Kimihiko NAKANO, Rencheng ZHENG, Xilu ZHAO   +3 more
doaj   +1 more source

Multipoint Vibration Response Prediction under Uncorrelated Multiple Sources Load Based on Elastic-Net Regularization in Frequency Domain

Shock and Vibration, 2021
In order to solve the problems of large number of conditions at inherent frequencies and low prediction accuracy when using multiple multivariate linear regression methods for vibration response prediction alone, an elastic-net regularization method is ...
ZhenKai Cui, Cheng Wang, Jianwei Chen, Ting He   +3 more
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Numerical study on the effect by the structural characteristics of carbody shell faces on elastic vibrations of railway vehicle carbodies

Nihon Kikai Gakkai ronbunshu, 2023
Three-dimensional (3D) elastic vibrations in railway vehicle carbodies sometimes negatively impact ride comfort, and efficient numerical analysis methods are required to study effective countermeasures.
Shizuya YAMAGUCHI, Takahiro TOMIOKA
doaj   +1 more source

Proposal and numerical feasibility study of a novel multi-modal and multi-axis dynamic vibration absorber consists of spherical viscoelastic material containing embedded ball-like mass

Mechanical Engineering Journal, 2021
This paper proposes a novel DVA (Dynamic Vibration Absorber) consisting of a ball-like mass embedded in a spherical viscoelastic material to meet practical demands for the multi-modal and multi-axis vibration reduction against elastic vibrations of ...
Takahiro TOMIOKA, Keiya HIGUCHI
doaj   +1 more source