نتایج جستجو برای: vibration mechanical

تعداد نتایج: 281780  

Journal: :Journal of neurophysiology 2004
Brian D Corneil Richard A Andersen

Producing a movement in response to a sensory stimulus requires knowledge of the body's current configuration, and spindle organs embedded within muscles are a primary source of such kinesthetic information. Here, we sought to develop an animal model of kinesthetic illusions induced by mechanically vibrating muscles as a first step toward a mechanistic understanding of how kinesthesia is integr...

Journal: :Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention 2005
Hassan Rivaz Robert Rohling

Vibro-elastography is a new medical imaging method that identifies the mechanical properties of tissue by measuring tissue motion in response to a multi-frequency external vibration source. Previous research on vibro-elastography used ultrasound to measure the tissue motion and system identification techniques to identify the tissue properties. This paper describes a hand-held probe with a comb...

Journal: :Journal of Applied Mechanics 1992

Journal: :Vibroengineering PROCEDIA 2017

Journal: :Physical therapy 2015
Yohei Hamaue Jiro Nakano Yuki Sekino Sayaka Chuganji Junya Sakamoto Toshiro Yoshimura Minoru Okita Tomoki Origuchi

BACKGROUND Cast immobilization induces mechanical hypersensitivity, which disturbs rehabilitation. Although vibration therapy can reduce various types of pain, whether vibration reduces immobilization-induced hypersensitivity remains unclear. OBJECTIVE The purpose of this study was to investigate the preventive and therapeutic effects of vibration therapy on immobilization-induced hypersensit...

2004
Viresh Wickramasinghe David Zimcik Yong Chen

Significant levels of undesired vibration and noise are inherent in transport and combat vehicles, particularly in helicopters and propeller aircraft. Therefore, it is important to investigate techniques that reduce vibration and noise in the cabin to improve habitability, effectiveness, and safety for passengers. In addition, continuous exposure may lead to long-term physiological effects. In ...

2009
Dibin Zhu Michael J Tudor Stephen P Beeby

This review presents possible strategies to increase the operational frequency range of vibration-based micro-generators. Most vibration-based micro-generators are spring-mass-damper systems which generate maximum power when the resonant frequency of the generator matches the frequency of the ambient vibration. Any difference between these two frequencies can result in a significant decrease in...

2012
Aifang Yu Peng Jiang Zhong Lin Wang

article as: A. Yu 006 Abstract Vibration is one of the most popular phenomena that exists in our daily life. Detection of mechanical vibration usually uses laser technology. Here, we demonstrated the first application of a piezoelectric nanogenerator (NG) as a self-powered sensor for detecting the vibration status of a cantilever. By attaching a NG at the surface of a cantilever near the fixed ...

Journal: :Journal of biomechanics 2012
S J P M van Engelen M H M Ellenbroek B J van Royen A de Boer J H van Dieën

Experimental modal analysis is a non-destructive measurement technique, which applies low forces and small deformations to assess the integrity of a structure. It is therefore a promising method to study the mechanical properties of the spine in vivo. Previously, modal parameters successfully revealed artificially induced spinal injuries. The question remains however, whether experimental modal...

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