نتایج جستجو برای: induced vibration

تعداد نتایج: 1025860  

Journal: :International journal of emerging science and engineering 2023

This paper describes VIPR, an inexpensive tremor detection and mitigation device to help Parkinson’s patients. It is built using a Raspberry PI, accelerometer, power switches wristband with rows of coin motors, python code. More than 10 million people world-wide have visible symptoms disease. There no known cure for the disease annual cost treatment estimated be >$50Billion. Whole body vibra...

Journal: :Physics of Fluids 2022

In this paper, we conducted a selective review on the recent progress in physics insight and modeling of flexible cylinder flow-induced vibrations (FIVs). FIVs circular cylinders include vortex-induced (VIVs) wake-induced (WIVs), they have been center fluid-structure interaction (FSI) research past several decades due to rich engineering significance. First, summarized new understanding structu...

2000
STEPHEN W. DYER JUN Ni ZHENHU ZHUANG JIANJUN SHI Stephen W. Dyer Jun Ni Jianjun Shi

Adaptive influence-coefficient methods have proven successful at controlling unbalance-induced vibration of rotating machinery without requiring a priori knowledge of machine dynamics. If initial influence estimates are inaccurate, however, vibration may become worse temporarily before the estimation converges. An auto-tuning method is presented here that adjusts adaptive “gain” parameters duri...

Journal: :British journal of industrial medicine 1988
H Une H Esaki

The vibration syndrome includes vibration induced white finger and disturbances of the peripheral nerves, muscles, bones, and joints. "The pathophysiology of the disturbance of the peripheral circulation is not completely understood, however. It has been hypothesised that workers with vibration syndrome have overactivity of the sympathoadrenal system and that this may play a part in the aetiolo...

A Bin Adnan E Noroozinejad Farsangi, H Melatdoust

The objective of the current study is to develop a simple formula to estimate the fundamental vibration period of tall buildings for using in equivalent lateral force analysis specified in building codes. The method based on Sturm-Liouville differential equation is presented here for estimating the fundamental period of natural vibration. The resulting equation, based on the continuum represent...

Journal: :International archives of occupational and environmental health 2002
Michael J Griffin Massimo Bovenzi

OBJECTIVES To identify the current state of knowledge, current uncertainties and future needs related to the diagnosis of disorders associated with the use of vibratory hand-held tools. METHOD An international workshop was convened with invited experts, medical doctors, scientists and engineers familiar with hand-transmitted vibration and the diagnosis of vascular, neurological and musculoske...

Journal: :The Journal of the Acoustical Society of America 1975

Journal: :British journal of industrial medicine 1972
P A Banister F V Smith

Banister, P. A., and Smith, F. V. (1972). Brit. J. industr. Med., 29, 264-267. Vibration-induced white fingers and manipulative dexterity. Previous work has shown that Raynaud's phenomenon or vibration-induced white fingers are associated with consistent use of vibrating tools. The present study indicates that significant losses in manipulative skill are also associated with the use of power-dr...

Journal: :Physical Review Letters 2007

Journal: :The Journal of Physical Chemistry C 2017

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