نتایج جستجو برای: vibration response

تعداد نتایج: 1022356  

2014
Hongqi Jiang Shuncai Li Xianbiao Mao

As to the complicated characteristics of overhead working truck under effects of random dynamic wind, the traditional method is difficult to reflect its dynamic response in real time, in the study; it proposes the random wind induced vibration response analysis method based on the finite element method and pseudo-excitation method. An it regards the vibration of the fluctuating wind load as coh...

2011
Zbigniew Koziel Eulalia Peris James Woodcock Gennaro Sica Andrew T. Moorhouse David C. Waddington

The DEFRA funded project “Human Response to Vibration in Residential Environments” investigates relationships between human response in residential areas, primarily in terms of annoyance, and combined effects from exposure to vibration and noise. This paper focuses on the results from the analysis of noise exposure in this study, in particular from construction work and railway traffic. The exp...

Journal: :The Journal of experimental biology 2006
Karen M Warkentin Michael S Caldwell J Gregory McDaniel

The embryos of red-eyed treefrogs, Agalychnis callidryas, use vibrations transmitted through their arboreal egg clutch to cue escape hatching behavior when attacked by egg-eating snakes. Hatching early increases the risk of predation in the water, so embryos should avoid it unless they are in danger. We exposed egg clutches to intermittent vibrations with different combinations of vibration dur...

Journal: :Journal of applied physiology 2011
Ying Ye Michael J Griffin

Vibration of one hand reduces blood flow in the exposed hand and in the contralateral hand not exposed to vibration, but the mechanisms involved are not understood. This study investigated whether vibration-induced reductions in finger blood flow are associated with vibrotactile perception thresholds mediated by the Pacinian channel and considered sex differences in both vibration thresholds an...

2015
David Waddington James Woodcock Michael G Smith Sabine Janssen Kerstin Persson Waye

CargoVibes: human response to vibration due to freight rail traffic David Waddington, James Woodcock, Michael G Smith, Sabine Janssen & Kerstin Persson Waye To cite this article: David Waddington, James Woodcock, Michael G Smith, Sabine Janssen & Kerstin Persson Waye (2015) CargoVibes: human response to vibration due to freight rail traffic, International Journal of Rail Transportation, 3:4, 23...

2007
M. Salehi G. R. Vossoughi

In this paper new method for vibration control of Flexible Base Mobile Manipulator (FBMM) under constrained motion control were proposed. When robotic manipulator with base flexibility contacts environment under impedance control, vibration occurs at transient and contact moments. Vibration causes position and force inaccuracy, instability and servicing requirements of equipment. Previous activ...

Journal: :Industrial health 2005
Takuya Yoshimura Kazuma Nakai Gen Tamaoki

In vehicle systems occupational drivers might expose themselves to vibration for a long time. This may cause illness of the spine such as chronic lumbago or low back pain. Therefore, it is necessary to evaluate the influence of vibration to the spinal column and to make up appropriate guidelines or counter plans. In ISO2631-1 or ISO2631-5 assessment of vibration effects to human in the view of ...

Journal: :Journal of neurophysiology 2012
Taisuke Tsukiboshi Hajime Sato Yuto Tanaka Mitsuru Saito Hiroki Toyoda Toshifumi Morimoto Kemal Sitki Türker Yoshinobu Maeda Youngnam Kang

Spindle Ia afferents may be differentially involved in voluntary isometric contraction, depending on the pattern of synaptic connections in spindle reflex pathways. We investigated how isometric contraction of masseter muscles is regulated through the activity of their muscle spindles that contain the largest number of intrafusal fibers among skeletal muscle spindles by examining the effects of...

Journal: :Physiological research 2006
N Capicíková L Rocchi F Hlavacka L Chiari A Cappello

Body lean response to bilateral vibrations of soleus muscles were investigated in order to understand the influence of proprioceptive input from lower leg in human stance control. Proprioceptive stimulation was applied to 17 healthy subjects by two vibrators placed on the soleus muscles. Frequency and amplitude of vibration were 60 Hz and 1 mm, respectively. Vibration was applied after a 30 s o...

2012
Taisuke Tsukiboshi Hajime Sato Yuto Tanaka Mitsuru Saito Hiroki Toyoda Toshifumi Morimoto Kemal Sitki Türker Yoshinobu Maeda Youngnam Kang

performed the experiments and analysed the data. 14 Y.K. designed the study and wrote the manuscript together with T. ABSTRACT 25 Spindle Ia afferents may be differentially involved in voluntary isometric contraction, depending on 26 the pattern of synaptic connections in spindle reflex pathways. We investigated how isometric 27 contraction of masseter muscles is regulated through the activity ...

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