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Vibration suppression device that has variable moment of inertia using magneto-rheological fluid

open access: goldNihon Kikai Gakkai ronbunshu, 2020
Vibration suppression devices, such as a semiactive damper, are common use for vibration reduction. In general, many of them have a controllable flexibility, damping and friction.
Taichi MATSUOKA, Nagato AIZAWA
doaj   +3 more sources

Effects of the racket polar moment of inertia on dominant upper limb joint moments during tennis serve. [PDF]

open access: yesPLoS ONE, 2014
This study examined the effect of the polar moment of inertia of a tennis racket on upper limb loading in the serve. Eight amateur competition tennis players performed two sets of 10 serves using two rackets identical in mass, position of center of mass ...
Isabelle Rogowski   +4 more
doaj   +2 more sources

Tectonic plates moment of inertia and angular momentum determination: the case of the Antarctic plate

open access: diamondУкраїнський антарктичний журнал, 2023
The main goal of this study is to develop and test an algorithm for determining the moment of inertia and angular momentum of a tectonic plate based on the processing of time series of daily solutions of continuous GNSS (Global Navigation Satellite ...
І. Savchyn, K. Tretyak
doaj   +4 more sources

Negative moment of inertia and rotational instability of gluon plasma

open access: diamondPhysics Letters B
Using first-principle numerical simulations of the lattice SU(3) gauge theory, we calculate the isothermal moment of inertia of the rigidly rotating gluon plasma.
Victor V. Braguta   +3 more
doaj   +2 more sources

Moments of inertia by summation [PDF]

open access: yesRevista Brasileira de Ensino de Física, 2023
This study delves into moment of inertia in rigid body mechanics, a crucial concept in physics. While it’s traditionally taught through integration, we propose an alternative method using discrete mass segments.
David Velasco Villamizar
doaj   +1 more source

EVALUATION OF ADAPTIVE PROCESSES OF KINEMATIC AND DYNAMIC PERFORMANCES OF RUNNING AT MAXIMUM SPEED IN TRAINING WITH ADDITIONAL INERTIAL LOAD APPLICATION [PDF]

open access: yesSportLogia, 2011
The subject of this study was to investigate the effects of additional inertial load in the training of maximum running speed. The objective of this research was to produce changes in kinematic and dynamic performances of maximum running speed in ...
Zoran B. Pajić
doaj   +1 more source

Anti-Inertia Disturbance Control of Permanent Magnet Synchronous Motor Based on Integral Time-Varying Fast Terminal Sliding Mode

open access: yesMachines, 2023
To improve the speed control performance of a permanent magnet synchronous motor (PMSM) when the moment of inertia changes during operation, this paper studies an anti-inertia disturbance method based on integral time-varying fast terminal sliding mode ...
Fang Xie   +4 more
doaj   +1 more source

Research on Dynamic Identification of Servo Motor Load Inertia Based on the Error Gain Factor Model

open access: yesEnergies, 2021
Aiming at solving the problems of slow motion and positioning deviation caused by the change of the moment of inertia of the servo motor due to different loads, an identification method for the moment of inertia on the basis of the error gain factor ...
Fang Xie, Fei Yu, Chaochen An
doaj   +1 more source

Ground and excited state characteristics of the nuclei with A = 6 [PDF]

open access: yesЯдерна фізика та енергетика, 2021
The binding energy, the root-mean-square radius, the magnetic dipole moment, the electric quadrupole moment, and the moment of inertia of the nucleus 6Li are calculated by applying different models.
S. B. Doma
doaj   +1 more source

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