Tension-aligned structures have been proposed for space-based antenna applications. The structure uses a compression member to impart tension on the antenna, thus helping to maintain shape and facilitate disturbance rejection. These structures can be large and are therefore sensitive to low-frequency excitation. Three energy-based control strategies have been proposed for vibration suppression....

We have applied a frequency shifting method, which was proposed previously in the literature for mixer manipulation, with the aim of generating vibration-based feedback to enrich the listener’s musical experience. Experimental results showed that the proposed method significantly increased the listener’s evaluation of sound consisting of high-frequency components, while a relatively poor evalua...

The objective of this study is to investigate the effect of mechanical vibration stimulation on the muscle force and muscle reaction time of lower leg according to perception threshold and vibration frequency. A vibration stimulation with perception threshold intensity was applied on the Achilles tendon and tibialis anterior tendon. EMG measurement and analysis system were used to analyze the c...

At a high frequency of vibration; the cam vibrator always encounters issue jamming or follower rolling off losing contact with when appropriate design is not carried out. This study, therefore, developed shape profile mechanical yam using cycloid motion in South. Displacement equations from base circle to were obtain motion. A vibrometer was used evaluate 5 mm, 10 and 20 mm sizes installed vibr...

BACKGROUND Recently, researchers have demonstrated that Whole Body Vibration (WBV) results in significant increases in skin blood flow (SBF). No study has determined if a specific frequency or a specific duration is better at optimizing SBF. MATERIAL/METHODS Two studies were conducted to determine, 1) if there is a difference in SBF due to passive vibration of the forearm at 30 Hz vs. 50 Hz, ...

We construct a structural order parameter from the energy equipartition of normal modes of vibration to quantify the structural heterogeneity in disordered solids. The order parameter exhibits strong spatial correlations with low-temperature dynamics and local structural entropy. To characterize the role of particles with the most defective local structures identified by the order parameter, we...

Biological effects of megahertz-frequency diagnostic ultrasound are thoroughly monitored by professional societies throughout the world. A corresponding, thorough, quantitative evaluation of the archival literature on the biological effects of low-frequency vibration is needed. Biological effects, of course, are related directly to what those exposures do physically to the tissue-specifically, ...

introduction: considering high prevalence of epileptic disease and considering that 40 percent of epileptic patients are resistant to drug therapy, it needs more researches to find new therapeutic ways. lfs is among the new methods for epilepsy treatments. one possible mechanism involved in the anticonvulsant effect of lfs is increased adenosine. therefore, in this study the role of adenosine p...